This is an automated email from the ASF dual-hosted git repository.
ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-bcel.git
The following commit(s) were added to refs/heads/master by this push:
new 0a2c18f0 Use JRE APIs
0a2c18f0 is described below
commit 0a2c18f029601402b7d4f5c76e382c4764f69d11
Author: Gary David Gregory (Code signing key) <[email protected]>
AuthorDate: Mon Oct 3 22:37:57 2022 -0400
Use JRE APIs
* Use Arrays.fill()
* Better use of toArray()
* Better parameter name
* Better use of our own API
---
.../java/org/apache/bcel/classfile/Attribute.java | 20 +-
src/main/java/org/apache/bcel/classfile/Code.java | 13 +-
.../org/apache/bcel/classfile/ExceptionTable.java | 5 +-
.../org/apache/bcel/classfile/FieldOrMethod.java | 6 +-
.../org/apache/bcel/classfile/InnerClasses.java | 5 +-
.../java/org/apache/bcel/classfile/JavaClass.java | 29 ++-
.../org/apache/bcel/classfile/LineNumberTable.java | 5 +-
.../apache/bcel/classfile/LocalVariableTable.java | 5 +-
.../bcel/classfile/LocalVariableTypeTable.java | 6 +-
.../apache/bcel/classfile/MethodParameters.java | 5 +-
.../java/org/apache/bcel/classfile/Module.java | 17 +-
.../org/apache/bcel/classfile/ModulePackages.java | 5 +-
.../org/apache/bcel/classfile/NestMembers.java | 5 +-
.../java/org/apache/bcel/classfile/StackMap.java | 39 ++--
.../org/apache/bcel/classfile/StackMapEntry.java | 9 +-
.../java/org/apache/bcel/classfile/Unknown.java | 16 +-
.../apache/bcel/generic/AnnotationEntryGen.java | 6 +-
.../java/org/apache/bcel/generic/ClassGen.java | 41 ++--
.../org/apache/bcel/generic/CodeExceptionGen.java | 2 +
.../apache/bcel/generic/FieldGenOrMethodGen.java | 13 +-
.../org/apache/bcel/generic/InstructionList.java | 4 +-
.../org/apache/bcel/generic/LineNumberGen.java | 2 +
.../java/org/apache/bcel/generic/MethodGen.java | 73 ++-----
src/main/java/org/apache/bcel/generic/Type.java | 8 +-
.../apache/bcel/util/ClassLoaderRepository.java | 2 +-
src/main/java/org/apache/bcel/util/ClassPath.java | 6 +-
src/main/java/org/apache/bcel/util/ClassSet.java | 16 +-
.../java/org/apache/bcel/util/ClassVector.java | 4 +-
.../org/apache/bcel/util/InstructionFinder.java | 9 +-
.../org/apache/bcel/util/SyntheticRepository.java | 10 +-
.../java/org/apache/bcel/verifier/Verifier.java | 20 +-
.../org/apache/bcel/verifier/VerifierAppFrame.java | 11 +-
.../org/apache/bcel/verifier/VerifierFactory.java | 28 ++-
.../bcel/verifier/VerifierFactoryListModel.java | 3 +-
.../org/apache/bcel/verifier/statics/IntList.java | 16 +-
.../bcel/verifier/statics/LocalVariablesInfo.java | 6 +-
.../verifier/structurals/ControlFlowGraph.java | 9 +-
.../verifier/structurals/ExceptionHandlers.java | 5 +-
.../verifier/structurals/ExecutionVisitor.java | 215 +++++++--------------
.../bcel/verifier/structurals/LocalVariables.java | 6 +-
.../bcel/verifier/structurals/OperandStack.java | 4 +-
.../bcel/verifier/structurals/Subroutines.java | 19 +-
.../java/org/apache/bcel/AbstractTestCase.java | 2 +-
.../GeneratingAnnotatedClassesTestCase.java | 2 +-
.../org/apache/bcel/util/BCELifierTestCase.java | 6 +-
.../bcel/verifier/VerifyBadClassesTestCase.java | 3 +-
46 files changed, 274 insertions(+), 467 deletions(-)
diff --git a/src/main/java/org/apache/bcel/classfile/Attribute.java
b/src/main/java/org/apache/bcel/classfile/Attribute.java
index 1ecfc9b0..afb2f207 100644
--- a/src/main/java/org/apache/bcel/classfile/Attribute.java
+++ b/src/main/java/org/apache/bcel/classfile/Attribute.java
@@ -47,26 +47,26 @@ public abstract class Attribute implements Cloneable, Node {
private static final boolean debug =
Boolean.getBoolean(Attribute.class.getCanonicalName() + ".debug"); // Debugging
on/off
- private static final Map<String, Object> readers = new HashMap<>();
+ private static final Map<String, Object> READERS = new HashMap<>();
/**
* Empty array.
*
* @since 6.6.0
*/
- public static final Attribute[] EMPTY_ATTRIBUTE_ARRAY = {};
+ public static final Attribute[] EMPTY_ARRAY = {};
/**
* Add an Attribute reader capable of parsing (user-defined) attributes
named "name". You should not add readers for the
* standard attributes such as "LineNumberTable", because those are
handled internally.
*
* @param name the name of the attribute as stored in the class file
- * @param r the reader object
+ * @param attributeReader the reader object
* @deprecated (6.0) Use {@link #addAttributeReader(String,
UnknownAttributeReader)} instead
*/
@java.lang.Deprecated
- public static void addAttributeReader(final String name, final
AttributeReader r) {
- readers.put(name, r);
+ public static void addAttributeReader(final String name, final
AttributeReader attributeReader) {
+ READERS.put(name, attributeReader);
}
/**
@@ -74,10 +74,10 @@ public abstract class Attribute implements Cloneable, Node {
* standard attributes such as "LineNumberTable", because those are
handled internally.
*
* @param name the name of the attribute as stored in the class file
- * @param r the reader object
+ * @param unknownAttributeReader the reader object
*/
- public static void addAttributeReader(final String name, final
UnknownAttributeReader r) {
- readers.put(name, r);
+ public static void addAttributeReader(final String name, final
UnknownAttributeReader unknownAttributeReader) {
+ READERS.put(name, unknownAttributeReader);
}
protected static void println(final String msg) {
@@ -120,7 +120,7 @@ public abstract class Attribute implements Cloneable, Node {
// Call proper constructor, depending on `tag'
switch (tag) {
case Const.ATTR_UNKNOWN:
- final Object r = readers.get(name);
+ final Object r = READERS.get(name);
if (r instanceof UnknownAttributeReader) {
return ((UnknownAttributeReader)
r).createAttribute(name_index, length, file, constant_pool);
}
@@ -212,7 +212,7 @@ public abstract class Attribute implements Cloneable, Node {
* @param name the name of the attribute as stored in the class file
*/
public static void removeAttributeReader(final String name) {
- readers.remove(name);
+ READERS.remove(name);
}
/**
diff --git a/src/main/java/org/apache/bcel/classfile/Code.java
b/src/main/java/org/apache/bcel/classfile/Code.java
index e0cba492..c2f9a844 100644
--- a/src/main/java/org/apache/bcel/classfile/Code.java
+++ b/src/main/java/org/apache/bcel/classfile/Code.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
import org.apache.commons.lang3.ArrayUtils;
@@ -106,7 +107,7 @@ public final class Code extends Attribute {
this.maxLocals = maxLocals;
this.code = code != null ? code : ArrayUtils.EMPTY_BYTE_ARRAY;
this.exceptionTable = exceptionTable != null ? exceptionTable :
CodeException.EMPTY_CODE_EXCEPTION_ARRAY;
- this.attributes = attributes != null ? attributes :
EMPTY_ATTRIBUTE_ARRAY;
+ this.attributes = attributes != null ? attributes : EMPTY_ARRAY;
super.setLength(calculateLength()); // Adjust length
}
@@ -149,13 +150,9 @@ public final class Code extends Attribute {
}
c.setConstantPool(constantPool);
c.exceptionTable = new CodeException[exceptionTable.length];
- for (int i = 0; i < exceptionTable.length; i++) {
- c.exceptionTable[i] = exceptionTable[i].copy();
- }
+ Arrays.setAll(c.exceptionTable, i -> exceptionTable[i].copy());
c.attributes = new Attribute[attributes.length];
- for (int i = 0; i < attributes.length; i++) {
- c.attributes[i] = attributes[i].copy(constantPool);
- }
+ Arrays.setAll(c.attributes, i -> attributes[i].copy(constantPool));
return c;
}
@@ -258,7 +255,7 @@ public final class Code extends Attribute {
* @param attributes the attributes to set for this Code
*/
public void setAttributes(final Attribute[] attributes) {
- this.attributes = attributes != null ? attributes :
EMPTY_ATTRIBUTE_ARRAY;
+ this.attributes = attributes != null ? attributes : EMPTY_ARRAY;
super.setLength(calculateLength()); // Adjust length
}
diff --git a/src/main/java/org/apache/bcel/classfile/ExceptionTable.java
b/src/main/java/org/apache/bcel/classfile/ExceptionTable.java
index 1bd66028..c06719c3 100644
--- a/src/main/java/org/apache/bcel/classfile/ExceptionTable.java
+++ b/src/main/java/org/apache/bcel/classfile/ExceptionTable.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
import org.apache.commons.lang3.ArrayUtils;
@@ -125,9 +126,7 @@ public final class ExceptionTable extends Attribute {
*/
public String[] getExceptionNames() {
final String[] names = new String[exceptionIndexTable.length];
- for (int i = 0; i < exceptionIndexTable.length; i++) {
- names[i] =
super.getConstantPool().getConstantString(exceptionIndexTable[i],
Const.CONSTANT_Class).replace('/', '.');
- }
+ Arrays.setAll(names, i ->
super.getConstantPool().getConstantString(exceptionIndexTable[i],
Const.CONSTANT_Class).replace('/', '.'));
return names;
}
diff --git a/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java
b/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java
index faf11c0d..dc1327b2 100644
--- a/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java
+++ b/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java
@@ -21,6 +21,7 @@ import java.io.DataInput;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
@@ -137,10 +138,7 @@ public abstract class FieldOrMethod extends AccessFlags
implements Cloneable, No
c.attributes = new Attribute[attributes.length];
c.attributes_count = attributes_count; // init deprecated field
- for (int i = 0; i < attributes.length; i++) {
- c.attributes[i] = attributes[i].copy(constant_pool);
- }
-
+ Arrays.setAll(c.attributes, i -> attributes[i].copy(constant_pool));
return c;
}
diff --git a/src/main/java/org/apache/bcel/classfile/InnerClasses.java
b/src/main/java/org/apache/bcel/classfile/InnerClasses.java
index 6fcc05de..b96962cd 100644
--- a/src/main/java/org/apache/bcel/classfile/InnerClasses.java
+++ b/src/main/java/org/apache/bcel/classfile/InnerClasses.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.stream.Stream;
@@ -96,9 +97,7 @@ public final class InnerClasses extends Attribute implements
Iterable<InnerClass
// TODO this could be recoded to use a lower level constructor after
creating a copy of the inner classes
final InnerClasses c = (InnerClasses) clone();
c.innerClasses = new InnerClass[innerClasses.length];
- for (int i = 0; i < innerClasses.length; i++) {
- c.innerClasses[i] = innerClasses[i].copy();
- }
+ Arrays.setAll(c.innerClasses, i -> innerClasses[i].copy());
c.setConstantPool(constantPool);
return c;
}
diff --git a/src/main/java/org/apache/bcel/classfile/JavaClass.java
b/src/main/java/org/apache/bcel/classfile/JavaClass.java
index 2571cf4a..3d268e21 100644
--- a/src/main/java/org/apache/bcel/classfile/JavaClass.java
+++ b/src/main/java/org/apache/bcel/classfile/JavaClass.java
@@ -24,6 +24,7 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import java.util.Set;
@@ -47,7 +48,12 @@ import org.apache.commons.lang3.ArrayUtils;
*/
public class JavaClass extends AccessFlags implements Cloneable, Node,
Comparable<JavaClass> {
- static final JavaClass[] EMPTY_ARRAY = {};
+ /**
+ * Empty array.
+ *
+ * @since 6.6.0
+ */
+ public static final JavaClass[] EMPTY_ARRAY = {};
public static final byte HEAP = 1;
public static final byte FILE = 2;
@@ -176,7 +182,7 @@ public class JavaClass extends AccessFlags implements
Cloneable, Node, Comparabl
interfaces = ArrayUtils.EMPTY_INT_ARRAY;
}
if (attributes == null) {
- attributes = Attribute.EMPTY_ATTRIBUTE_ARRAY;
+ attributes = Attribute.EMPTY_ARRAY;
}
if (fields == null) {
fields = Field.EMPTY_FIELD_ARRAY;
@@ -278,28 +284,21 @@ public class JavaClass extends AccessFlags implements
Cloneable, Node, Comparabl
* @return deep copy of this class
*/
public JavaClass copy() {
- JavaClass c = null;
try {
- c = (JavaClass) clone();
+ final JavaClass c = (JavaClass) clone();
c.constantPool = constantPool.copy();
c.interfaces = interfaces.clone();
c.interfaceNames = interfaceNames.clone();
c.fields = new Field[fields.length];
- for (int i = 0; i < fields.length; i++) {
- c.fields[i] = fields[i].copy(c.constantPool);
- }
+ Arrays.setAll(c.fields, i -> fields[i].copy(c.constantPool));
c.methods = new Method[methods.length];
- for (int i = 0; i < methods.length; i++) {
- c.methods[i] = methods[i].copy(c.constantPool);
- }
+ Arrays.setAll(c.methods, i -> methods[i].copy(c.constantPool));
c.attributes = new Attribute[attributes.length];
- for (int i = 0; i < attributes.length; i++) {
- c.attributes[i] = attributes[i].copy(c.constantPool);
- }
+ Arrays.setAll(c.attributes, i ->
attributes[i].copy(c.constantPool));
+ return c;
} catch (final CloneNotSupportedException e) {
- // TODO should this throw?
+ return null;
}
- return c;
}
/**
diff --git a/src/main/java/org/apache/bcel/classfile/LineNumberTable.java
b/src/main/java/org/apache/bcel/classfile/LineNumberTable.java
index c350023f..e357dd82 100644
--- a/src/main/java/org/apache/bcel/classfile/LineNumberTable.java
+++ b/src/main/java/org/apache/bcel/classfile/LineNumberTable.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.stream.Stream;
@@ -97,9 +98,7 @@ public final class LineNumberTable extends Attribute
implements Iterable<LineNum
// lineNumberTable to be made final
final LineNumberTable c = (LineNumberTable) clone();
c.lineNumberTable = new LineNumber[lineNumberTable.length];
- for (int i = 0; i < lineNumberTable.length; i++) {
- c.lineNumberTable[i] = lineNumberTable[i].copy();
- }
+ Arrays.setAll(c.lineNumberTable, i -> lineNumberTable[i].copy());
c.setConstantPool(constantPool);
return c;
}
diff --git a/src/main/java/org/apache/bcel/classfile/LocalVariableTable.java
b/src/main/java/org/apache/bcel/classfile/LocalVariableTable.java
index 12154cf3..c87fc521 100644
--- a/src/main/java/org/apache/bcel/classfile/LocalVariableTable.java
+++ b/src/main/java/org/apache/bcel/classfile/LocalVariableTable.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.stream.Stream;
@@ -91,9 +92,7 @@ public class LocalVariableTable extends Attribute implements
Iterable<LocalVaria
public Attribute copy(final ConstantPool constantPool) {
final LocalVariableTable c = (LocalVariableTable) clone();
c.localVariableTable = new LocalVariable[localVariableTable.length];
- for (int i = 0; i < localVariableTable.length; i++) {
- c.localVariableTable[i] = localVariableTable[i].copy();
- }
+ Arrays.setAll(c.localVariableTable, i -> localVariableTable[i].copy());
c.setConstantPool(constantPool);
return c;
}
diff --git
a/src/main/java/org/apache/bcel/classfile/LocalVariableTypeTable.java
b/src/main/java/org/apache/bcel/classfile/LocalVariableTypeTable.java
index 4c74d09f..0b6a1255 100644
--- a/src/main/java/org/apache/bcel/classfile/LocalVariableTypeTable.java
+++ b/src/main/java/org/apache/bcel/classfile/LocalVariableTypeTable.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.stream.Stream;
@@ -93,10 +94,7 @@ public class LocalVariableTypeTable extends Attribute
implements Iterable<LocalV
final LocalVariableTypeTable c = (LocalVariableTypeTable) clone();
c.localVariableTypeTable = new
LocalVariable[localVariableTypeTable.length];
- for (int i = 0; i < localVariableTypeTable.length; i++) {
- c.localVariableTypeTable[i] = localVariableTypeTable[i].copy();
- }
-
+ Arrays.setAll(c.localVariableTypeTable, i ->
localVariableTypeTable[i].copy());
c.setConstantPool(constant_pool);
return c;
}
diff --git a/src/main/java/org/apache/bcel/classfile/MethodParameters.java
b/src/main/java/org/apache/bcel/classfile/MethodParameters.java
index 7c710b0c..f8eaefbf 100644
--- a/src/main/java/org/apache/bcel/classfile/MethodParameters.java
+++ b/src/main/java/org/apache/bcel/classfile/MethodParameters.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import java.util.Iterator;
import java.util.stream.Stream;
@@ -61,9 +62,7 @@ public class MethodParameters extends Attribute implements
Iterable<MethodParame
final MethodParameters c = (MethodParameters) clone();
c.parameters = new MethodParameter[parameters.length];
- for (int i = 0; i < parameters.length; i++) {
- c.parameters[i] = parameters[i].copy();
- }
+ Arrays.setAll(c.parameters, i -> parameters[i].copy());
c.setConstantPool(constantPool);
return c;
}
diff --git a/src/main/java/org/apache/bcel/classfile/Module.java
b/src/main/java/org/apache/bcel/classfile/Module.java
index 1d1eb746..ae2b4e70 100644
--- a/src/main/java/org/apache/bcel/classfile/Module.java
+++ b/src/main/java/org/apache/bcel/classfile/Module.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
@@ -111,24 +112,16 @@ public final class Module extends Attribute {
final Module c = (Module) clone();
c.requiresTable = new ModuleRequires[requiresTable.length];
- for (int i = 0; i < requiresTable.length; i++) {
- c.requiresTable[i] = requiresTable[i].copy();
- }
+ Arrays.setAll(c.requiresTable, i -> requiresTable[i].copy());
c.exportsTable = new ModuleExports[exportsTable.length];
- for (int i = 0; i < exportsTable.length; i++) {
- c.exportsTable[i] = exportsTable[i].copy();
- }
+ Arrays.setAll(c.exportsTable, i -> exportsTable[i].copy());
c.opensTable = new ModuleOpens[opensTable.length];
- for (int i = 0; i < opensTable.length; i++) {
- c.opensTable[i] = opensTable[i].copy();
- }
+ Arrays.setAll(c.opensTable, i -> opensTable[i].copy());
c.providesTable = new ModuleProvides[providesTable.length];
- for (int i = 0; i < providesTable.length; i++) {
- c.providesTable[i] = providesTable[i].copy();
- }
+ Arrays.setAll(c.providesTable, i -> providesTable[i].copy());
c.setConstantPool(constantPool);
return c;
diff --git a/src/main/java/org/apache/bcel/classfile/ModulePackages.java
b/src/main/java/org/apache/bcel/classfile/ModulePackages.java
index f14295f1..1624a9c8 100644
--- a/src/main/java/org/apache/bcel/classfile/ModulePackages.java
+++ b/src/main/java/org/apache/bcel/classfile/ModulePackages.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
import org.apache.commons.lang3.ArrayUtils;
@@ -130,9 +131,7 @@ public final class ModulePackages extends Attribute {
*/
public String[] getPackageNames() {
final String[] names = new String[packageIndexTable.length];
- for (int i = 0; i < packageIndexTable.length; i++) {
- names[i] =
super.getConstantPool().getConstantString(packageIndexTable[i],
Const.CONSTANT_Package).replace('/', '.');
- }
+ Arrays.setAll(names, i ->
super.getConstantPool().getConstantString(packageIndexTable[i],
Const.CONSTANT_Package).replace('/', '.'));
return names;
}
diff --git a/src/main/java/org/apache/bcel/classfile/NestMembers.java
b/src/main/java/org/apache/bcel/classfile/NestMembers.java
index 66367b17..9fc38ccb 100644
--- a/src/main/java/org/apache/bcel/classfile/NestMembers.java
+++ b/src/main/java/org/apache/bcel/classfile/NestMembers.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
import org.apache.commons.lang3.ArrayUtils;
@@ -124,9 +125,7 @@ public final class NestMembers extends Attribute {
*/
public String[] getClassNames() {
final String[] names = new String[classes.length];
- for (int i = 0; i < classes.length; i++) {
- names[i] = super.getConstantPool().getConstantString(classes[i],
Const.CONSTANT_Class).replace('/', '.');
- }
+ Arrays.setAll(names, i ->
super.getConstantPool().getConstantString(classes[i],
Const.CONSTANT_Class).replace('/', '.'));
return names;
}
diff --git a/src/main/java/org/apache/bcel/classfile/StackMap.java
b/src/main/java/org/apache/bcel/classfile/StackMap.java
index b6632aef..a152cbb7 100644
--- a/src/main/java/org/apache/bcel/classfile/StackMap.java
+++ b/src/main/java/org/apache/bcel/classfile/StackMap.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
@@ -35,7 +36,7 @@ import org.apache.bcel.Const;
*/
public final class StackMap extends Attribute {
- private StackMapEntry[] map; // Table of stack map entries
+ private StackMapEntry[] table; // Table of stack map entries
/**
* Construct object from input stream.
@@ -49,9 +50,9 @@ public final class StackMap extends Attribute {
StackMap(final int name_index, final int length, final DataInput input,
final ConstantPool constant_pool) throws IOException {
this(name_index, length, (StackMapEntry[]) null, constant_pool);
final int map_length = input.readUnsignedShort();
- map = new StackMapEntry[map_length];
+ table = new StackMapEntry[map_length];
for (int i = 0; i < map_length; i++) {
- map[i] = new StackMapEntry(input, constant_pool);
+ table[i] = new StackMapEntry(input, constant_pool);
}
}
@@ -66,7 +67,7 @@ public final class StackMap extends Attribute {
*/
public StackMap(final int name_index, final int length, final
StackMapEntry[] map, final ConstantPool constant_pool) {
super(Const.ATTR_STACK_MAP, name_index, length, constant_pool);
- this.map = map;
+ this.table = map;
}
/**
@@ -86,10 +87,8 @@ public final class StackMap extends Attribute {
@Override
public Attribute copy(final ConstantPool constantPool) {
final StackMap c = (StackMap) clone();
- c.map = new StackMapEntry[map.length];
- for (int i = 0; i < map.length; i++) {
- c.map[i] = map[i].copy();
- }
+ c.table = new StackMapEntry[table.length];
+ Arrays.setAll(c.table, i -> table[i].copy());
c.setConstantPool(constantPool);
return c;
}
@@ -103,30 +102,30 @@ public final class StackMap extends Attribute {
@Override
public void dump(final DataOutputStream file) throws IOException {
super.dump(file);
- file.writeShort(map.length);
- for (final StackMapEntry entry : map) {
+ file.writeShort(table.length);
+ for (final StackMapEntry entry : table) {
entry.dump(file);
}
}
public int getMapLength() {
- return map == null ? 0 : map.length;
+ return table == null ? 0 : table.length;
}
/**
* @return Array of stack map entries
*/
public StackMapEntry[] getStackMap() {
- return map;
+ return table;
}
/**
- * @param map Array of stack map entries
+ * @param table Array of stack map entries
*/
- public void setStackMap(final StackMapEntry[] map) {
- this.map = map;
+ public void setStackMap(final StackMapEntry[] table) {
+ this.table = table;
int len = 2; // Length of 'number_of_entries' field prior to the array
of stack maps
- for (final StackMapEntry element : map) {
+ for (final StackMapEntry element : table) {
len += element.getMapEntrySize();
}
setLength(len);
@@ -139,10 +138,10 @@ public final class StackMap extends Attribute {
public String toString() {
final StringBuilder buf = new StringBuilder("StackMap(");
int running_offset = -1; // no +1 on first entry
- for (int i = 0; i < map.length; i++) {
- running_offset = map[i].getByteCodeOffset() + running_offset + 1;
- buf.append(String.format("%n@%03d %s", running_offset, map[i]));
- if (i < map.length - 1) {
+ for (int i = 0; i < table.length; i++) {
+ running_offset = table[i].getByteCodeOffset() + running_offset + 1;
+ buf.append(String.format("%n@%03d %s", running_offset, table[i]));
+ if (i < table.length - 1) {
buf.append(", ");
}
}
diff --git a/src/main/java/org/apache/bcel/classfile/StackMapEntry.java
b/src/main/java/org/apache/bcel/classfile/StackMapEntry.java
index fbea575e..5145e4a5 100644
--- a/src/main/java/org/apache/bcel/classfile/StackMapEntry.java
+++ b/src/main/java/org/apache/bcel/classfile/StackMapEntry.java
@@ -20,6 +20,7 @@ package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
+import java.util.Arrays;
import org.apache.bcel.Const;
@@ -152,13 +153,9 @@ public final class StackMapEntry implements Node,
Cloneable {
}
e.typesOfLocals = new StackMapType[typesOfLocals.length];
- for (int i = 0; i < typesOfLocals.length; i++) {
- e.typesOfLocals[i] = typesOfLocals[i].copy();
- }
+ Arrays.setAll(e.typesOfLocals, i -> typesOfLocals[i].copy());
e.typesOfStackItems = new StackMapType[typesOfStackItems.length];
- for (int i = 0; i < typesOfStackItems.length; i++) {
- e.typesOfStackItems[i] = typesOfStackItems[i].copy();
- }
+ Arrays.setAll(e.typesOfStackItems, i -> typesOfStackItems[i].copy());
return e;
}
diff --git a/src/main/java/org/apache/bcel/classfile/Unknown.java
b/src/main/java/org/apache/bcel/classfile/Unknown.java
index c2affe40..82d8f630 100644
--- a/src/main/java/org/apache/bcel/classfile/Unknown.java
+++ b/src/main/java/org/apache/bcel/classfile/Unknown.java
@@ -37,16 +37,20 @@ import org.apache.bcel.Const;
*/
public final class Unknown extends Attribute {
- private static final Map<String, Unknown> unknownAttributes = new
HashMap<>();
+ private static final Unknown[] EMPTY_ARRAY = {};
+
+ private static final Map<String, Unknown> UNKNOWN_ATTRIBUTES = new
HashMap<>();
/**
* @return array of unknown attributes, but just one for each kind.
*/
static Unknown[] getUnknownAttributes() {
- final Unknown[] unknowns = new Unknown[unknownAttributes.size()];
- unknownAttributes.values().toArray(unknowns);
- unknownAttributes.clear();
- return unknowns;
+ try {
+ return UNKNOWN_ATTRIBUTES.values().toArray(EMPTY_ARRAY);
+ } finally {
+ // TODO Does this really make sense?
+ UNKNOWN_ATTRIBUTES.clear();
+ }
}
private byte[] bytes;
@@ -65,7 +69,7 @@ public final class Unknown extends Attribute {
super(Const.ATTR_UNKNOWN, name_index, length, constant_pool);
this.bytes = bytes;
name = ((ConstantUtf8) constant_pool.getConstant(name_index,
Const.CONSTANT_Utf8)).getBytes();
- unknownAttributes.put(name, this);
+ UNKNOWN_ATTRIBUTES.put(name, this);
}
/**
diff --git a/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java
b/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java
index 4d7883c7..21de0148 100644
--- a/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java
+++ b/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java
@@ -50,7 +50,7 @@ public class AnnotationEntryGen {
*/
static Attribute[] getAnnotationAttributes(final ConstantPoolGen cp, final
AnnotationEntryGen[] annotationEntryGens) {
if (annotationEntryGens.length == 0) {
- return Attribute.EMPTY_ATTRIBUTE_ARRAY;
+ return Attribute.EMPTY_ARRAY;
}
try {
@@ -106,7 +106,7 @@ public class AnnotationEntryGen {
new RuntimeInvisibleAnnotations(riaIndex, riaData.length,
new DataInputStream(new ByteArrayInputStream(riaData)), cp.getConstantPool()));
}
- return newAttributes.toArray(Attribute.EMPTY_ATTRIBUTE_ARRAY);
+ return newAttributes.toArray(Attribute.EMPTY_ARRAY);
} catch (final IOException e) {
System.err.println("IOException whilst processing annotations");
e.printStackTrace();
@@ -187,7 +187,7 @@ public class AnnotationEntryGen {
newAttributes.add(new
RuntimeInvisibleParameterAnnotations(riaIndex, riaData.length, new
DataInputStream(new ByteArrayInputStream(riaData)),
cp.getConstantPool()));
}
- return newAttributes.toArray(Attribute.EMPTY_ATTRIBUTE_ARRAY);
+ return newAttributes.toArray(Attribute.EMPTY_ARRAY);
} catch (final IOException e) {
System.err.println("IOException whilst processing parameter
annotations");
e.printStackTrace();
diff --git a/src/main/java/org/apache/bcel/generic/ClassGen.java
b/src/main/java/org/apache/bcel/generic/ClassGen.java
index dc0de419..7d4ac553 100644
--- a/src/main/java/org/apache/bcel/generic/ClassGen.java
+++ b/src/main/java/org/apache/bcel/generic/ClassGen.java
@@ -18,6 +18,8 @@
package org.apache.bcel.generic;
import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
import java.util.List;
import java.util.Objects;
@@ -33,6 +35,7 @@ import org.apache.bcel.classfile.RuntimeInvisibleAnnotations;
import org.apache.bcel.classfile.RuntimeVisibleAnnotations;
import org.apache.bcel.classfile.SourceFile;
import org.apache.bcel.util.BCELComparator;
+import org.apache.commons.lang3.ArrayUtils;
/**
* Template class for building up a java class. May be initialized with an
existing java class (file).
@@ -112,26 +115,15 @@ public class ClassGen extends AccessFlags implements
Cloneable {
final Attribute[] attributes = clazz.getAttributes();
// J5TODO: Could make unpacking lazy, done on first reference
final AnnotationEntryGen[] annotations = unpackAnnotations(attributes);
- final Method[] methods = clazz.getMethods();
- final Field[] fields = clazz.getFields();
- final String[] interfaces = clazz.getInterfaceNames();
- for (final String interface1 : interfaces) {
- addInterface(interface1);
- }
+ Collections.addAll(interfaceList, clazz.getInterfaceNames());
for (final Attribute attribute : attributes) {
if (!(attribute instanceof Annotations)) {
addAttribute(attribute);
}
}
- for (final AnnotationEntryGen annotation : annotations) {
- addAnnotationEntry(annotation);
- }
- for (final Method method : methods) {
- addMethod(method);
- }
- for (final Field field : fields) {
- addField(field);
- }
+ Collections.addAll(annotationList, annotations);
+ Collections.addAll(methodList, clazz.getMethods());
+ Collections.addAll(fieldList, clazz.getFields());
}
/**
@@ -171,9 +163,7 @@ public class ClassGen extends AccessFlags implements
Cloneable {
classNameIndex = cp.addClass(className);
superclassNameIndex = cp.addClass(superClassName);
if (interfaces != null) {
- for (final String interface1 : interfaces) {
- addInterface(interface1);
- }
+ Collections.addAll(interfaceList, interfaces);
}
}
@@ -298,7 +288,7 @@ public class ClassGen extends AccessFlags implements
Cloneable {
}
public Attribute[] getAttributes() {
- return attributeList.toArray(Attribute.EMPTY_ATTRIBUTE_ARRAY);
+ return attributeList.toArray(Attribute.EMPTY_ARRAY);
}
public String getClassName() {
@@ -322,18 +312,13 @@ public class ClassGen extends AccessFlags implements
Cloneable {
}
public String[] getInterfaceNames() {
- final int size = interfaceList.size();
- final String[] interfaces = new String[size];
- interfaceList.toArray(interfaces);
- return interfaces;
+ return interfaceList.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
}
public int[] getInterfaces() {
final int size = interfaceList.size();
final int[] interfaces = new int[size];
- for (int i = 0; i < size; i++) {
- interfaces[i] = cp.addClass(interfaceList.get(i));
- }
+ Arrays.setAll(interfaces, i -> cp.addClass(interfaceList.get(i)));
return interfaces;
}
@@ -504,9 +489,7 @@ public class ClassGen extends AccessFlags implements
Cloneable {
public void setMethods(final Method[] methods) {
methodList.clear();
- for (final Method method : methods) {
- addMethod(method);
- }
+ Collections.addAll(methodList, methods);
}
/**
diff --git a/src/main/java/org/apache/bcel/generic/CodeExceptionGen.java
b/src/main/java/org/apache/bcel/generic/CodeExceptionGen.java
index 72b42b30..0d06c438 100644
--- a/src/main/java/org/apache/bcel/generic/CodeExceptionGen.java
+++ b/src/main/java/org/apache/bcel/generic/CodeExceptionGen.java
@@ -32,6 +32,8 @@ import org.apache.bcel.classfile.CodeException;
*/
public final class CodeExceptionGen implements InstructionTargeter, Cloneable {
+ static final CodeExceptionGen[] EMPTY_ARRAY = {};
+
private InstructionHandle startPc;
private InstructionHandle endPc;
private InstructionHandle handlerPc;
diff --git a/src/main/java/org/apache/bcel/generic/FieldGenOrMethodGen.java
b/src/main/java/org/apache/bcel/generic/FieldGenOrMethodGen.java
index 1997914e..c0b3c9cb 100644
--- a/src/main/java/org/apache/bcel/generic/FieldGenOrMethodGen.java
+++ b/src/main/java/org/apache/bcel/generic/FieldGenOrMethodGen.java
@@ -18,6 +18,7 @@
package org.apache.bcel.generic;
import java.util.ArrayList;
+import java.util.Collections;
import java.util.List;
import org.apache.bcel.Const;
@@ -63,6 +64,10 @@ public abstract class FieldGenOrMethodGen extends
AccessFlags implements NamedAn
super(access_flags);
}
+ protected void addAll(final Attribute[] attrs) {
+ Collections.addAll(attributeList, attrs);
+ }
+
/**
* @since 6.0
*/
@@ -90,18 +95,14 @@ public abstract class FieldGenOrMethodGen extends
AccessFlags implements NamedAn
}
public AnnotationEntryGen[] getAnnotationEntries() {
- final AnnotationEntryGen[] annotations = new
AnnotationEntryGen[annotationList.size()];
- annotationList.toArray(annotations);
- return annotations;
+ return annotationList.toArray(AnnotationEntryGen.EMPTY_ARRAY);
}
/**
* @return all attributes of this method.
*/
public Attribute[] getAttributes() {
- final Attribute[] attributes = new Attribute[attributeList.size()];
- attributeList.toArray(attributes);
- return attributes;
+ return attributeList.toArray(Attribute.EMPTY_ARRAY);
}
public ConstantPoolGen getConstantPool() {
diff --git a/src/main/java/org/apache/bcel/generic/InstructionList.java
b/src/main/java/org/apache/bcel/generic/InstructionList.java
index b6e887ac..b31926a7 100644
--- a/src/main/java/org/apache/bcel/generic/InstructionList.java
+++ b/src/main/java/org/apache/bcel/generic/InstructionList.java
@@ -1043,9 +1043,7 @@ public class InstructionList implements
Iterable<InstructionHandle> {
}
buf.append("}");
if (!target_vec.isEmpty()) {
- final InstructionHandle[] targeted = new
InstructionHandle[target_vec.size()];
- target_vec.toArray(targeted);
- throw new TargetLostException(targeted, buf.toString());
+ throw new
TargetLostException(target_vec.toArray(InstructionHandle.EMPTY_ARRAY),
buf.toString());
}
}
diff --git a/src/main/java/org/apache/bcel/generic/LineNumberGen.java
b/src/main/java/org/apache/bcel/generic/LineNumberGen.java
index 253e2f5a..afcde841 100644
--- a/src/main/java/org/apache/bcel/generic/LineNumberGen.java
+++ b/src/main/java/org/apache/bcel/generic/LineNumberGen.java
@@ -30,6 +30,8 @@ import org.apache.bcel.classfile.LineNumber;
*/
public class LineNumberGen implements InstructionTargeter, Cloneable {
+ static final LineNumberGen[] EMPTY_ARRAY = {};
+
private InstructionHandle ih;
private int srcLine;
diff --git a/src/main/java/org/apache/bcel/generic/MethodGen.java
b/src/main/java/org/apache/bcel/generic/MethodGen.java
index 1ee37b78..c4ef9180 100644
--- a/src/main/java/org/apache/bcel/generic/MethodGen.java
+++ b/src/main/java/org/apache/bcel/generic/MethodGen.java
@@ -19,6 +19,7 @@ package org.apache.bcel.generic;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collections;
import java.util.Comparator;
import java.util.Hashtable;
import java.util.List;
@@ -43,6 +44,7 @@ import org.apache.bcel.classfile.ParameterAnnotations;
import org.apache.bcel.classfile.RuntimeVisibleParameterAnnotations;
import org.apache.bcel.classfile.Utility;
import org.apache.bcel.util.BCELComparator;
+import org.apache.commons.lang3.ArrayUtils;
/**
* Template class for building up a method. This is done by defining exception
handlers, adding thrown exceptions, local
@@ -102,14 +104,14 @@ public class MethodGen extends FieldGenOrMethodGen {
@Override
public boolean equals(final Object o1, final Object o2) {
- final MethodGen THIS = (MethodGen) o1;
- final MethodGen THAT = (MethodGen) o2;
+ final FieldGenOrMethodGen THIS = (FieldGenOrMethodGen) o1;
+ final FieldGenOrMethodGen THAT = (FieldGenOrMethodGen) o2;
return Objects.equals(THIS.getName(), THAT.getName()) &&
Objects.equals(THIS.getSignature(), THAT.getSignature());
}
@Override
public int hashCode(final Object o) {
- final MethodGen THIS = (MethodGen) o;
+ final FieldGenOrMethodGen THIS = (FieldGenOrMethodGen) o;
return THIS.getSignature().hashCode() ^ THIS.getName().hashCode();
}
};
@@ -360,10 +362,7 @@ public class MethodGen extends FieldGenOrMethodGen {
}
}
} else if (a instanceof ExceptionTable) {
- final String[] names = ((ExceptionTable)
a).getExceptionNames();
- for (final String name2 : names) {
- addException(name2);
- }
+ Collections.addAll(throwsList, ((ExceptionTable)
a).getExceptionNames());
} else if (a instanceof Annotations) {
final Annotations runtimeAnnotations = (Annotations) a;
runtimeAnnotations.forEach(element -> addAnnotationEntry(new
AnnotationEntryGen(element, cp, false)));
@@ -377,10 +376,7 @@ public class MethodGen extends FieldGenOrMethodGen {
* @since 6.0
*/
public void addAnnotationsAsAttribute(final ConstantPoolGen cp) {
- final Attribute[] attrs =
AnnotationEntryGen.getAnnotationAttributes(cp, super.getAnnotationEntries());
- for (final Attribute attr : attrs) {
- addAttribute(attr);
- }
+ addAll(AnnotationEntryGen.getAnnotationAttributes(cp,
super.getAnnotationEntries()));
}
/**
@@ -534,28 +530,22 @@ public class MethodGen extends FieldGenOrMethodGen {
}
final Attribute[] attrs =
AnnotationEntryGen.getParameterAnnotationAttributes(cp, paramAnnotations);
if (attrs != null) {
- for (final Attribute attr : attrs) {
- addAttribute(attr);
- }
+ addAll(attrs);
}
}
private Attribute[] addRuntimeAnnotationsAsAttribute(final ConstantPoolGen
cp) {
final Attribute[] attrs =
AnnotationEntryGen.getAnnotationAttributes(cp, super.getAnnotationEntries());
- for (final Attribute attr : attrs) {
- addAttribute(attr);
- }
+ addAll(attrs);
return attrs;
}
private Attribute[] addRuntimeParameterAnnotationsAsAttribute(final
ConstantPoolGen cp) {
if (!hasParameterAnnotations) {
- return Attribute.EMPTY_ATTRIBUTE_ARRAY;
+ return Attribute.EMPTY_ARRAY;
}
final Attribute[] attrs =
AnnotationEntryGen.getParameterAnnotationAttributes(cp, paramAnnotations);
- for (final Attribute attr : attrs) {
- addAttribute(attr);
- }
+ addAll(attrs);
return attrs;
}
@@ -607,9 +597,7 @@ public class MethodGen extends FieldGenOrMethodGen {
@SuppressWarnings("unchecked") // OK
final List<AnnotationEntryGen>[] parmList = new
List[argTypes.length];
paramAnnotations = parmList;
- for (int j = 0; j < argTypes.length; j++) {
- paramAnnotations[j] = new ArrayList<>();
- }
+ Arrays.setAll(paramAnnotations, i -> new ArrayList<>());
}
hasParameterAnnotations = true;
final ParameterAnnotations rpa = (ParameterAnnotations)
attribute;
@@ -691,9 +679,7 @@ public class MethodGen extends FieldGenOrMethodGen {
* @return all attributes of this method.
*/
public Attribute[] getCodeAttributes() {
- final Attribute[] attributes = new Attribute[codeAttrsList.size()];
- codeAttrsList.toArray(attributes);
- return attributes;
+ return codeAttrsList.toArray(Attribute.EMPTY_ARRAY);
}
/**
@@ -702,10 +688,7 @@ public class MethodGen extends FieldGenOrMethodGen {
private CodeException[] getCodeExceptions() {
final int size = exceptionList.size();
final CodeException[] c_exc = new CodeException[size];
- for (int i = 0; i < size; i++) {
- final CodeExceptionGen c = exceptionList.get(i);
- c_exc[i] = c.getCodeException(super.getConstantPool());
- }
+ Arrays.setAll(c_exc, i ->
exceptionList.get(i).getCodeException(super.getConstantPool()));
return c_exc;
}
@@ -713,18 +696,14 @@ public class MethodGen extends FieldGenOrMethodGen {
* @return array of declared exception handlers
*/
public CodeExceptionGen[] getExceptionHandlers() {
- final CodeExceptionGen[] cg = new
CodeExceptionGen[exceptionList.size()];
- exceptionList.toArray(cg);
- return cg;
+ return exceptionList.toArray(CodeExceptionGen.EMPTY_ARRAY);
}
/*
* @return array of thrown exceptions
*/
public String[] getExceptions() {
- final String[] e = new String[throwsList.size()];
- throwsList.toArray(e);
- return e;
+ return throwsList.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
}
/**
@@ -733,9 +712,7 @@ public class MethodGen extends FieldGenOrMethodGen {
private ExceptionTable getExceptionTable(final ConstantPoolGen cp) {
final int size = throwsList.size();
final int[] ex = new int[size];
- for (int i = 0; i < size; i++) {
- ex[i] = cp.addClass(throwsList.get(i));
- }
+ Arrays.setAll(ex, i -> cp.addClass(throwsList.get(i)));
return new ExceptionTable(cp.addUtf8("Exceptions"), 2 + 2 * size, ex,
cp.getConstantPool());
}
@@ -747,9 +724,7 @@ public class MethodGen extends FieldGenOrMethodGen {
* @return array of line numbers
*/
public LineNumberGen[] getLineNumbers() {
- final LineNumberGen[] lg = new LineNumberGen[lineNumberList.size()];
- lineNumberList.toArray(lg);
- return lg;
+ return lineNumberList.toArray(LineNumberGen.EMPTY_ARRAY);
}
/**
@@ -758,9 +733,7 @@ public class MethodGen extends FieldGenOrMethodGen {
public LineNumberTable getLineNumberTable(final ConstantPoolGen cp) {
final int size = lineNumberList.size();
final LineNumber[] ln = new LineNumber[size];
- for (int i = 0; i < size; i++) {
- ln[i] = lineNumberList.get(i).getLineNumber();
- }
+ Arrays.setAll(ln, i -> lineNumberList.get(i).getLineNumber());
return new LineNumberTable(cp.addUtf8("LineNumberTable"), 2 +
ln.length * 4, ln, cp.getConstantPool());
}
@@ -795,9 +768,7 @@ public class MethodGen extends FieldGenOrMethodGen {
final LocalVariableGen[] lg = getLocalVariables();
final int size = lg.length;
final LocalVariable[] lv = new LocalVariable[size];
- for (int i = 0; i < size; i++) {
- lv[i] = lg[i].getLocalVariable(cp);
- }
+ Arrays.setAll(lv, i -> lg[i].getLocalVariable(cp));
return new LocalVariableTable(cp.addUtf8("LocalVariableTable"), 2 +
lv.length * 10, lv, cp.getConstantPool());
}
@@ -1006,9 +977,7 @@ public class MethodGen extends FieldGenOrMethodGen {
* Remove all local variables.
*/
public void removeLocalVariables() {
- for (final LocalVariableGen lv : variableList) {
- lv.dispose();
- }
+ variableList.forEach(LocalVariableGen::dispose);
variableList.clear();
}
diff --git a/src/main/java/org/apache/bcel/generic/Type.java
b/src/main/java/org/apache/bcel/generic/Type.java
index 3a07b79d..b633a44e 100644
--- a/src/main/java/org/apache/bcel/generic/Type.java
+++ b/src/main/java/org/apache/bcel/generic/Type.java
@@ -18,6 +18,7 @@
package org.apache.bcel.generic;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.List;
import java.util.Objects;
@@ -81,7 +82,6 @@ public abstract class Type {
public static Type[] getArgumentTypes(final String signature) {
final List<Type> vec = new ArrayList<>();
int index;
- Type[] types;
try {
// Skip any type arguments to read argument declarations between
`(' and `)'
index = signature.indexOf('(') + 1;
@@ -96,7 +96,7 @@ public abstract class Type {
} catch (final StringIndexOutOfBoundsException e) { // Should never
occur
throw new ClassFormatException("Invalid method signature: " +
signature, e);
}
- types = new Type[vec.size()];
+ Type[] types = new Type[vec.size()];
vec.toArray(types);
return types;
}
@@ -260,9 +260,7 @@ public abstract class Type {
*/
public static Type[] getTypes(final Class<?>[] classes) {
final Type[] ret = new Type[classes.length];
- for (int i = 0; i < ret.length; i++) {
- ret[i] = getType(classes[i]);
- }
+ Arrays.setAll(ret, i -> getType(classes[i]));
return ret;
}
diff --git a/src/main/java/org/apache/bcel/util/ClassLoaderRepository.java
b/src/main/java/org/apache/bcel/util/ClassLoaderRepository.java
index b315fd9e..c5c9d223 100644
--- a/src/main/java/org/apache/bcel/util/ClassLoaderRepository.java
+++ b/src/main/java/org/apache/bcel/util/ClassLoaderRepository.java
@@ -55,7 +55,7 @@ public class ClassLoaderRepository implements Repository {
*/
@Override
public JavaClass findClass(final String className) {
- return loadedClasses.getOrDefault(className, null);
+ return loadedClasses.get(className);
}
/*
diff --git a/src/main/java/org/apache/bcel/util/ClassPath.java
b/src/main/java/org/apache/bcel/util/ClassPath.java
index b782d585..4e6d8f62 100644
--- a/src/main/java/org/apache/bcel/util/ClassPath.java
+++ b/src/main/java/org/apache/bcel/util/ClassPath.java
@@ -354,11 +354,7 @@ public class ClassPath implements Closeable {
public JrtModules(final String path) throws IOException {
this.modularRuntimeImage = new ModularRuntimeImage();
- final List<Path> list = modularRuntimeImage.list(path);
- this.modules = new JrtModule[list.size()];
- for (int i = 0; i < modules.length; i++) {
- modules[i] = new JrtModule(list.get(i));
- }
+ this.modules =
modularRuntimeImage.list(path).stream().map(JrtModule::new).toArray(JrtModule[]::new);
}
@Override
diff --git a/src/main/java/org/apache/bcel/util/ClassSet.java
b/src/main/java/org/apache/bcel/util/ClassSet.java
index 2c38db93..341355c9 100644
--- a/src/main/java/org/apache/bcel/util/ClassSet.java
+++ b/src/main/java/org/apache/bcel/util/ClassSet.java
@@ -17,7 +17,6 @@
*/
package org.apache.bcel.util;
-import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
@@ -25,8 +24,7 @@ import org.apache.bcel.classfile.JavaClass;
import org.apache.commons.lang3.ArrayUtils;
/**
- * Utility class implementing a (typesafe) set of JavaClass objects. Since
JavaClass has no equals() method, the name of
- * the class is used for comparison.
+ * Utility class implementing a (type-safe) set of JavaClass objects. Since
JavaClass has no equals() method, the name of the class is used for comparison.
*
* @see ClassStack
*/
@@ -35,12 +33,7 @@ public class ClassSet {
private final Map<String, JavaClass> map = new HashMap<>();
public boolean add(final JavaClass clazz) {
- boolean result = false;
- if (!map.containsKey(clazz.getClassName())) {
- result = true;
- map.put(clazz.getClassName(), clazz);
- }
- return result;
+ return map.putIfAbsent(clazz.getClassName(), clazz) != null;
}
public boolean empty() {
@@ -56,9 +49,6 @@ public class ClassSet {
}
public JavaClass[] toArray() {
- final Collection<JavaClass> values = map.values();
- final JavaClass[] classes = new JavaClass[values.size()];
- values.toArray(classes);
- return classes;
+ return map.values().toArray(JavaClass.EMPTY_ARRAY);
}
}
diff --git a/src/main/java/org/apache/bcel/util/ClassVector.java
b/src/main/java/org/apache/bcel/util/ClassVector.java
index eb24e6b4..459d0e36 100644
--- a/src/main/java/org/apache/bcel/util/ClassVector.java
+++ b/src/main/java/org/apache/bcel/util/ClassVector.java
@@ -49,8 +49,6 @@ public class ClassVector implements Serializable {
}
public JavaClass[] toArray() {
- final JavaClass[] classes = new JavaClass[vec.size()];
- vec.toArray(classes);
- return classes;
+ return vec.toArray(JavaClass.EMPTY_ARRAY);
}
}
diff --git a/src/main/java/org/apache/bcel/util/InstructionFinder.java
b/src/main/java/org/apache/bcel/util/InstructionFinder.java
index 04447ab1..0296cb6f 100644
--- a/src/main/java/org/apache/bcel/util/InstructionFinder.java
+++ b/src/main/java/org/apache/bcel/util/InstructionFinder.java
@@ -79,6 +79,7 @@ public class InstructionFinder {
private static final int OFFSET = 32767; // char + OFFSET is outside of
LATIN-1
private static final int NO_OPCODES = 256; // Potential number, some are
not used
private static final Map<String, String> map = new HashMap<>();
+
// Initialize pattern map
static {
map.put("arithmeticinstruction",
@@ -142,14 +143,12 @@ public class InstructionFinder {
map.put("fstore", precompile(Const.FSTORE_0, Const.FSTORE_3,
Const.FSTORE));
map.put("astore", precompile(Const.ASTORE_0, Const.ASTORE_3,
Const.ASTORE));
// Compile strings
- for (final Map.Entry<String, String> entry : map.entrySet()) {
- final String key = entry.getKey();
- final String value = entry.getValue();
+ map.forEach((key, value) -> {
final char ch = value.charAt(1); // Omit already precompiled
patterns
if (ch < OFFSET) {
map.put(key, compilePattern(value)); // precompile all patterns
}
- }
+ });
// Add instruction alias to match anything
final StringBuilder buf = new StringBuilder("(");
for (short i = 0; i < NO_OPCODES; i++) {
@@ -216,7 +215,7 @@ public class InstructionFinder {
}
for (short i = 0; i < NO_OPCODES; i++) {
if (pattern.equals(Const.getOpcodeName(i))) {
- return "" + makeChar(i);
+ return String.valueOf(makeChar(i));
}
}
throw new IllegalArgumentException("Instruction unknown: " + pattern);
diff --git a/src/main/java/org/apache/bcel/util/SyntheticRepository.java
b/src/main/java/org/apache/bcel/util/SyntheticRepository.java
index faac9cbd..998690a1 100644
--- a/src/main/java/org/apache/bcel/util/SyntheticRepository.java
+++ b/src/main/java/org/apache/bcel/util/SyntheticRepository.java
@@ -30,24 +30,18 @@ import java.util.Map;
* </p>
*
* @see org.apache.bcel.Repository
- *
*/
public class SyntheticRepository extends MemorySensitiveClassPathRepository {
// private static final String DEFAULT_PATH = ClassPath.getClassPath();
- private static final Map<ClassPath, SyntheticRepository> instances = new
HashMap<>(); // CLASSPATH X REPOSITORY
+ private static final Map<ClassPath, SyntheticRepository> MAP = new
HashMap<>(); // CLASSPATH X REPOSITORY
public static SyntheticRepository getInstance() {
return getInstance(ClassPath.SYSTEM_CLASS_PATH);
}
public static SyntheticRepository getInstance(final ClassPath classPath) {
- SyntheticRepository rep = instances.get(classPath);
- if (rep == null) {
- rep = new SyntheticRepository(classPath);
- instances.put(classPath, rep);
- }
- return rep;
+ return MAP.computeIfAbsent(classPath, SyntheticRepository::new);
}
private SyntheticRepository(final ClassPath path) {
diff --git a/src/main/java/org/apache/bcel/verifier/Verifier.java
b/src/main/java/org/apache/bcel/verifier/Verifier.java
index 86181695..98930cc2 100644
--- a/src/main/java/org/apache/bcel/verifier/Verifier.java
+++ b/src/main/java/org/apache/bcel/verifier/Verifier.java
@@ -43,6 +43,8 @@ import org.apache.commons.lang3.ArrayUtils;
*/
public class Verifier {
+ static final Verifier[] EMPTY_ARRAY = {};
+
/**
* Verifies class files. This is a simple demonstration of how the API of
BCEL's class file verifier "JustIce" may be
* used. You should supply command-line arguments which are fully
qualified namea of the classes to verify. These class
@@ -143,8 +145,7 @@ public class Verifier {
/** Returns the VerificationResult for the given pass. */
public VerificationResult doPass3a(final int method_no) {
final String key = Integer.toString(method_no);
- Pass3aVerifier p3av;
- p3av = p3avs.get(key);
+ Pass3aVerifier p3av = p3avs.get(key);
if (p3avs.get(key) == null) {
p3av = new Pass3aVerifier(this, method_no);
p3avs.put(key, p3av);
@@ -155,8 +156,7 @@ public class Verifier {
/** Returns the VerificationResult for the given pass. */
public VerificationResult doPass3b(final int method_no) {
final String key = Integer.toString(method_no);
- Pass3bVerifier p3bv;
- p3bv = p3bvs.get(key);
+ Pass3bVerifier p3bv = p3bvs.get(key);
if (p3bvs.get(key) == null) {
p3bv = new Pass3bVerifier(this, method_no);
p3bvs.put(key, p3bv);
@@ -194,28 +194,24 @@ public class Verifier {
public String[] getMessages() throws ClassNotFoundException {
final List<String> messages = new ArrayList<>();
if (p1v != null) {
- final String[] p1m = p1v.getMessages();
- for (final String element : p1m) {
+ for (final String element : p1v.getMessages()) {
messages.add("Pass 1: " + element);
}
}
if (p2v != null) {
- final String[] p2m = p2v.getMessages();
- for (final String element : p2m) {
+ for (final String element : p2v.getMessages()) {
messages.add("Pass 2: " + element);
}
}
for (final Pass3aVerifier pv : p3avs.values()) {
- final String[] p3am = pv.getMessages();
final int meth = pv.getMethodNo();
- for (final String element : p3am) {
+ for (final String element : pv.getMessages()) {
messages.add("Pass 3a, method " + meth + " ('" +
org.apache.bcel.Repository.lookupClass(classname).getMethods()[meth] + "'): " +
element);
}
}
for (final Pass3bVerifier pv : p3bvs.values()) {
- final String[] p3bm = pv.getMessages();
final int meth = pv.getMethodNo();
- for (final String element : p3bm) {
+ for (final String element : pv.getMessages()) {
messages.add("Pass 3b, method " + meth + " ('" +
org.apache.bcel.Repository.lookupClass(classname).getMethods()[meth] + "'): " +
element);
}
}
diff --git a/src/main/java/org/apache/bcel/verifier/VerifierAppFrame.java
b/src/main/java/org/apache/bcel/verifier/VerifierAppFrame.java
index 67dd89b9..8669fc38 100644
--- a/src/main/java/org/apache/bcel/verifier/VerifierAppFrame.java
+++ b/src/main/java/org/apache/bcel/verifier/VerifierAppFrame.java
@@ -25,6 +25,7 @@ import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.InputEvent;
import java.awt.event.WindowEvent;
+import java.util.Arrays;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
@@ -327,13 +328,11 @@ public class VerifierAppFrame extends JFrame {
/*
* boolean all3aok = true; boolean all3bok = true; String
all3amsg = ""; String all3bmsg = "";
*/
- final String[] methodnames = new
String[jc.getMethods().length];
- for (int i = 0; i < jc.getMethods().length; i++) {
- methodnames[i] =
jc.getMethods()[i].toString().replace('\n', ' ').replace('\t', ' ');
- }
- pass3aJList.setListData(methodnames);
+ final String[] methodNames = new
String[jc.getMethods().length];
+ Arrays.setAll(methodNames, i ->
jc.getMethods()[i].toString().replace('\n', ' ').replace('\t', ' '));
+ pass3aJList.setListData(methodNames);
pass3aJList.setSelectionInterval(0, jc.getMethods().length -
1);
- pass3bJList.setListData(methodnames);
+ pass3bJList.setListData(methodNames);
pass3bJList.setSelectionInterval(0, jc.getMethods().length -
1);
}
}
diff --git a/src/main/java/org/apache/bcel/verifier/VerifierFactory.java
b/src/main/java/org/apache/bcel/verifier/VerifierFactory.java
index 4ea01d3a..c7d94024 100644
--- a/src/main/java/org/apache/bcel/verifier/VerifierFactory.java
+++ b/src/main/java/org/apache/bcel/verifier/VerifierFactory.java
@@ -34,24 +34,25 @@ public class VerifierFactory {
/**
* The HashMap that holds the data about the already-constructed Verifier
instances.
*/
- private static final Map<String, Verifier> hashMap = new HashMap<>();
+ private static final Map<String, Verifier> MAP = new HashMap<>();
+
/**
* The VerifierFactoryObserver instances that observe the VerifierFactory.
*/
- private static final List<VerifierFactoryObserver> observers = new
Vector<>();
+ private static final List<VerifierFactoryObserver> OBSVERVERS = new
Vector<>();
/**
* Adds the VerifierFactoryObserver o to the list of observers.
*/
public static void attach(final VerifierFactoryObserver o) {
- observers.add(o);
+ OBSVERVERS.add(o);
}
/**
* Removes the VerifierFactoryObserver o from the list of observers.
*/
public static void detach(final VerifierFactoryObserver o) {
- observers.remove(o);
+ OBSVERVERS.remove(o);
}
/**
@@ -61,13 +62,11 @@ public class VerifierFactory {
* @return the (only) verifier responsible for the class with the given
name.
*/
public static Verifier getVerifier(final String fullyQualifiedClassName) {
- Verifier v = hashMap.get(fullyQualifiedClassName);
- if (v == null) {
- v = new Verifier(fullyQualifiedClassName);
- hashMap.put(fullyQualifiedClassName, v);
- notify(fullyQualifiedClassName);
- }
- return v;
+ return MAP.computeIfAbsent(fullyQualifiedClassName, k -> {
+ Verifier v = new Verifier(k);
+ notify(k);
+ return v;
+ });
}
/**
@@ -75,8 +74,7 @@ public class VerifierFactory {
* create other Verifier instances and if you want to verify the
transitive hull of referenced class files.
*/
public static Verifier[] getVerifiers() {
- final Verifier[] vs = new Verifier[hashMap.size()];
- return hashMap.values().toArray(vs); // Because vs is big enough, vs
is used to store the values into and returned!
+ return MAP.values().toArray(Verifier.EMPTY_ARRAY);
}
/**
@@ -84,9 +82,7 @@ public class VerifierFactory {
*/
private static void notify(final String fullyQualifiedClassName) {
// notify the observers
- for (final VerifierFactoryObserver vfo : observers) {
- vfo.update(fullyQualifiedClassName);
- }
+ OBSVERVERS.forEach(vfo -> vfo.update(fullyQualifiedClassName));
}
/**
diff --git
a/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java
b/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java
index ed08d7c1..dcc95940 100644
--- a/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java
+++ b/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java
@@ -71,8 +71,7 @@ public class VerifierFactoryListModel implements
VerifierFactoryObserver, ListMo
cache.add(verifier.getClassName());
}
for (final ListDataListener listener : listeners) {
- final ListDataEvent e = new ListDataEvent(this,
ListDataEvent.CONTENTS_CHANGED, 0, num_of_verifiers - 1);
- listener.contentsChanged(e);
+ listener.contentsChanged(new ListDataEvent(this,
ListDataEvent.CONTENTS_CHANGED, 0, num_of_verifiers - 1));
}
}
diff --git a/src/main/java/org/apache/bcel/verifier/statics/IntList.java
b/src/main/java/org/apache/bcel/verifier/statics/IntList.java
index 0be1fc7c..de9b0443 100644
--- a/src/main/java/org/apache/bcel/verifier/statics/IntList.java
+++ b/src/main/java/org/apache/bcel/verifier/statics/IntList.java
@@ -25,28 +25,22 @@ import java.util.List;
*
*/
public class IntList {
+
/** The int are stored as Integer objects here. */
- private final List<Integer> theList;
+ private final List<Integer> list;
/** This constructor creates an empty list. */
IntList() {
- theList = new ArrayList<>();
+ list = new ArrayList<>();
}
/** Adds an element to the list. */
void add(final int i) {
- theList.add(Integer.valueOf(i));
+ list.add(Integer.valueOf(i));
}
/** Checks if the specified int is already in the list. */
boolean contains(final int i) {
- final Integer[] ints = new Integer[theList.size()];
- theList.toArray(ints);
- for (final Integer k : ints) {
- if (i == k.intValue()) {
- return true;
- }
- }
- return false;
+ return list.contains(i);
}
}
diff --git
a/src/main/java/org/apache/bcel/verifier/statics/LocalVariablesInfo.java
b/src/main/java/org/apache/bcel/verifier/statics/LocalVariablesInfo.java
index 648760d0..9f6278a1 100644
--- a/src/main/java/org/apache/bcel/verifier/statics/LocalVariablesInfo.java
+++ b/src/main/java/org/apache/bcel/verifier/statics/LocalVariablesInfo.java
@@ -17,6 +17,8 @@
*/
package org.apache.bcel.verifier.statics;
+import java.util.Arrays;
+
import org.apache.bcel.generic.Type;
import org.apache.bcel.verifier.exc.AssertionViolatedException;
import org.apache.bcel.verifier.exc.LocalVariableInfoInconsistentException;
@@ -32,9 +34,7 @@ public class LocalVariablesInfo {
/** The constructor. */
LocalVariablesInfo(final int max_locals) {
localVariableInfos = new LocalVariableInfo[max_locals];
- for (int i = 0; i < max_locals; i++) {
- localVariableInfos[i] = new LocalVariableInfo();
- }
+ Arrays.setAll(localVariableInfos, i -> new LocalVariableInfo());
}
/**
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java
b/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java
index f1c29ae2..e479e221 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java
@@ -18,6 +18,7 @@
package org.apache.bcel.verifier.structurals;
import java.util.ArrayList;
+import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@@ -113,9 +114,7 @@ public class ControlFlowGraph {
final InstructionHandle[] jsrs =
s.getEnteringJsrInstructions();
final InstructionHandle[] ret = new
InstructionHandle[jsrs.length];
- for (int i = 0; i < jsrs.length; i++) {
- ret[i] = jsrs[i].getNext();
- }
+ Arrays.setAll(ret, i -> jsrs[i].getNext());
return ret;
}
@@ -421,9 +420,7 @@ public class ControlFlowGraph {
*/
public InstructionContext[] contextsOf(final InstructionHandle[] insts) {
final InstructionContext[] ret = new InstructionContext[insts.length];
- for (int i = 0; i < insts.length; i++) {
- ret[i] = contextOf(insts[i]);
- }
+ Arrays.setAll(ret, i -> contextOf(insts[i]));
return ret;
}
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java
b/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java
index 1978b38a..06a98e8f 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java
@@ -50,9 +50,8 @@ public class ExceptionHandlers {
for (final CodeExceptionGen ceg : cegs) {
final ExceptionHandler eh = new
ExceptionHandler(ceg.getCatchType(), ceg.getHandlerPC());
for (InstructionHandle ih = ceg.getStartPC(); ih !=
ceg.getEndPC().getNext(); ih = ih.getNext()) {
- Set<ExceptionHandler> hs;
- hs = exceptionHandlers.computeIfAbsent(ih, k -> new
HashSet<>());
- hs.add(eh);
+ exceptionHandlers.computeIfAbsent(ih, k -> new
HashSet<>()).add(eh);
+ exceptionHandlers.computeIfAbsent(ih, k -> new
HashSet<>()).add(eh);
}
}
}
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java
b/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java
index 458512c1..d297076e 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java
@@ -139,9 +139,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitAASTORE(final AASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -198,17 +196,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitBALOAD(final BALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitBASTORE(final BASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -220,17 +215,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitCALOAD(final CALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitCASTORE(final CASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -269,40 +261,34 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDADD(final DADD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDALOAD(final DALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDASTORE(final DASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDCMPG(final DCMPG o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDCMPL(final DCMPL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -315,8 +301,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDDIV(final DDIV o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
@@ -329,8 +314,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDMUL(final DMUL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
@@ -344,8 +328,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDREM(final DREM o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
@@ -365,8 +348,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitDSUB(final DSUB o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.DOUBLE);
}
@@ -495,40 +477,34 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFADD(final FADD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFALOAD(final FALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFASTORE(final FASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFCMPG(final FCMPG o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFCMPL(final FCMPL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -541,8 +517,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFDIV(final FDIV o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
@@ -555,8 +530,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFMUL(final FMUL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
@@ -570,8 +544,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFREM(final FREM o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
@@ -590,8 +563,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitFSUB(final FSUB o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.FLOAT);
}
@@ -673,33 +645,28 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIADD(final IADD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIALOAD(final IALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIAND(final IAND o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIASTORE(final IASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -711,65 +678,56 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIDIV(final IDIV o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ACMPEQ(final IF_ACMPEQ o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ACMPNE(final IF_ACMPNE o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPEQ(final IF_ICMPEQ o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPGE(final IF_ICMPGE o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPGT(final IF_ICMPGT o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPLE(final IF_ICMPLE o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPLT(final IF_ICMPLT o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIF_ICMPNE(final IF_ICMPNE o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -835,8 +793,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIMUL(final IMUL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -861,9 +818,7 @@ public class ExecutionVisitor extends EmptyVisitor {
*/
@Override
public void visitINVOKEDYNAMIC(final INVOKEDYNAMIC o) {
- for (int i = 0; i < o.getArgumentTypes(cpg).length; i++) {
- stack().pop();
- }
+ stack().pop(o.getArgumentTypes(cpg).length);
// We are sure the invoked method will xRETURN eventually
// We simulate xRETURNs functionality here because we
// don't really "jump into" and simulate the invoked
@@ -881,9 +836,7 @@ public class ExecutionVisitor extends EmptyVisitor {
@Override
public void visitINVOKEINTERFACE(final INVOKEINTERFACE o) {
stack().pop(); // objectref
- for (int i = 0; i < o.getArgumentTypes(cpg).length; i++) {
- stack().pop();
- }
+ stack().pop(o.getArgumentTypes(cpg).length);
// We are sure the invoked method will xRETURN eventually
// We simulate xRETURNs functionality here because we
// don't really "jump into" and simulate the invoked
@@ -909,9 +862,7 @@ public class ExecutionVisitor extends EmptyVisitor {
locals().initializeObject(t);
}
stack().pop(); // objectref
- for (int i = 0; i < o.getArgumentTypes(cpg).length; i++) {
- stack().pop();
- }
+ stack().pop(o.getArgumentTypes(cpg).length);
// We are sure the invoked method will xRETURN eventually
// We simulate xRETURNs functionality here because we
// don't really "jump into" and simulate the invoked
@@ -928,9 +879,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitINVOKESTATIC(final INVOKESTATIC o) {
- for (int i = 0; i < o.getArgumentTypes(cpg).length; i++) {
- stack().pop();
- }
+ stack().pop(o.getArgumentTypes(cpg).length);
// We are sure the invoked method will xRETURN eventually
// We simulate xRETURNs functionality here because we
// don't really "jump into" and simulate the invoked
@@ -948,9 +897,7 @@ public class ExecutionVisitor extends EmptyVisitor {
@Override
public void visitINVOKEVIRTUAL(final INVOKEVIRTUAL o) {
stack().pop(); // objectref
- for (int i = 0; i < o.getArgumentTypes(cpg).length; i++) {
- stack().pop();
- }
+ stack().pop(o.getArgumentTypes(cpg).length);
// We are sure the invoked method will xRETURN eventually
// We simulate xRETURNs functionality here because we
// don't really "jump into" and simulate the invoked
@@ -967,16 +914,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIOR(final IOR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIREM(final IREM o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -989,16 +934,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitISHL(final ISHL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitISHR(final ISHR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -1011,24 +954,21 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitISUB(final ISUB o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIUSHR(final IUSHR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitIXOR(final IXOR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -1069,40 +1009,34 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLADD(final LADD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLALOAD(final LALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLAND(final LAND o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLASTORE(final LASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLCMP(final LCMP o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
@@ -1162,8 +1096,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLDIV(final LDIV o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
@@ -1176,8 +1109,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLMUL(final LMUL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
@@ -1197,16 +1129,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLOR(final LOR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLREM(final LREM o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
@@ -1219,16 +1149,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLSHL(final LSHL o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLSHR(final LSHR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
@@ -1242,24 +1170,21 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLSUB(final LSUB o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLUSHR(final LUSHR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitLXOR(final LXOR o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.LONG);
}
@@ -1278,9 +1203,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitMULTIANEWARRAY(final MULTIANEWARRAY o) {
- for (int i = 0; i < o.getDimensions(); i++) {
- stack().pop();
- }
+ stack().pop(o.getDimensions());
stack().push(o.getType(cpg));
}
@@ -1320,8 +1243,7 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitPUTFIELD(final PUTFIELD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@@ -1346,17 +1268,14 @@ public class ExecutionVisitor extends EmptyVisitor {
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitSALOAD(final SALOAD o) {
- stack().pop();
- stack().pop();
+ stack().pop(2);
stack().push(Type.INT);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
@Override
public void visitSASTORE(final SASTORE o) {
- stack().pop();
- stack().pop();
- stack().pop();
+ stack().pop(3);
}
/** Symbolically executes the corresponding Java Virtual Machine
instruction. */
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java
b/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java
index 2902bd4a..eaea3472 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java
@@ -17,6 +17,8 @@
*/
package org.apache.bcel.verifier.structurals;
+import java.util.Arrays;
+
import org.apache.bcel.generic.ReferenceType;
import org.apache.bcel.generic.Type;
import org.apache.bcel.verifier.exc.AssertionViolatedException;
@@ -37,9 +39,7 @@ public class LocalVariables implements Cloneable {
*/
public LocalVariables(final int localVariableCount) {
locals = new Type[localVariableCount];
- for (int i = 0; i < localVariableCount; i++) {
- locals[i] = Type.UNKNOWN;
- }
+ Arrays.fill(locals, Type.UNKNOWN);
}
/**
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/OperandStack.java
b/src/main/java/org/apache/bcel/verifier/structurals/OperandStack.java
index cfb3cce7..968511d6 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/OperandStack.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/OperandStack.java
@@ -192,8 +192,8 @@ public class OperandStack implements Cloneable {
/**
* Pops i elements off the stack. ALWAYS RETURNS "null"!!!
*/
- public Type pop(final int i) {
- for (int j = 0; j < i; j++) {
+ public Type pop(final int count) {
+ for (int j = 0; j < count; j++) {
pop();
}
return null;
diff --git
a/src/main/java/org/apache/bcel/verifier/structurals/Subroutines.java
b/src/main/java/org/apache/bcel/verifier/structurals/Subroutines.java
index de6a3e63..c0c82aab 100644
--- a/src/main/java/org/apache/bcel/verifier/structurals/Subroutines.java
+++ b/src/main/java/org/apache/bcel/verifier/structurals/Subroutines.java
@@ -72,6 +72,8 @@ public class Subroutines {
*/
private static final int UNSET = -1;
+ private final SubroutineImpl[] EMPTY_ARRAY = {};
+
/**
* The Local Variable slot where the first instruction of this
subroutine (an ASTORE) stores the JsrInstruction's
* ReturnAddress in and the RET of this subroutine operates on.
@@ -102,14 +104,14 @@ public class Subroutines {
*
* @see #getRecursivelyAccessedLocalsIndices()
*/
- private void _getRecursivelyAccessedLocalsIndicesHelper(final
Set<Integer> s, final Subroutine[] subs) {
+ private void _getRecursivelyAccessedLocalsIndicesHelper(final
Set<Integer> set, final Subroutine[] subs) {
for (final Subroutine sub : subs) {
final int[] lvs = sub.getAccessedLocalsIndices();
for (final int lv : lvs) {
- s.add(Integer.valueOf(lv));
+ set.add(Integer.valueOf(lv));
}
if (sub.subSubs().length != 0) {
- _getRecursivelyAccessedLocalsIndicesHelper(s,
sub.subSubs());
+ _getRecursivelyAccessedLocalsIndicesHelper(set,
sub.subSubs());
}
}
}
@@ -205,8 +207,7 @@ public class Subroutines {
if (this == getTopLevel()) {
throw new AssertionViolatedException("getLeavingRET() called
on top level pseudo-subroutine.");
}
- final InstructionHandle[] jsrs = new
InstructionHandle[theJSRs.size()];
- return theJSRs.toArray(jsrs);
+ return theJSRs.toArray(InstructionHandle.EMPTY_ARRAY);
}
/*
@@ -214,8 +215,7 @@ public class Subroutines {
*/
@Override
public InstructionHandle[] getInstructions() {
- final InstructionHandle[] ret = new
InstructionHandle[instructions.size()];
- return instructions.toArray(ret);
+ return instructions.toArray(InstructionHandle.EMPTY_ARRAY);
}
/*
@@ -299,8 +299,7 @@ public class Subroutines {
h.add(getSubroutine(targ));
}
}
- final Subroutine[] ret = new Subroutine[h.size()];
- return h.toArray(ret);
+ return h.toArray(EMPTY_ARRAY);
}
/**
@@ -461,7 +460,7 @@ public class Subroutines {
// we don't want to assign an instruction to two or more Subroutine
objects.
final Set<InstructionHandle> instructions_assigned = new HashSet<>();
- // Graph colouring. Key: InstructionHandle, Value: ColourConstants
enum .
+ // Graph coloring. Key: InstructionHandle, Value: ColourConstants enum
.
final Map<InstructionHandle, ColourConstants> colors = new HashMap<>();
final List<InstructionHandle> qList = new ArrayList<>();
diff --git a/src/test/java/org/apache/bcel/AbstractTestCase.java
b/src/test/java/org/apache/bcel/AbstractTestCase.java
index f7766f95..f11bcf12 100644
--- a/src/test/java/org/apache/bcel/AbstractTestCase.java
+++ b/src/test/java/org/apache/bcel/AbstractTestCase.java
@@ -128,7 +128,7 @@ public abstract class AbstractTestCase {
chosenAttrsList.add(element);
}
}
- return chosenAttrsList.toArray(new Attribute[] {});
+ return chosenAttrsList.toArray(Attribute.EMPTY_ARRAY);
}
protected Method getMethod(final JavaClass cl, final String methodname) {
diff --git
a/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTestCase.java
b/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTestCase.java
index 9daef63d..7fa44d8d 100644
---
a/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTestCase.java
+++
b/src/test/java/org/apache/bcel/generic/GeneratingAnnotatedClassesTestCase.java
@@ -386,7 +386,7 @@ public class GeneratingAnnotatedClassesTestCase extends
AbstractTestCase {
final Method[] m = cg2.getMethods();
i = m[0].getAnnotationEntries().length;
assertEquals(1, i, "Wrong number of annotations on the main 'Method'");
- final MethodGen mg = new MethodGen(m[0], cg2.getClassName(),
cg2.getConstantPool());
+ final FieldGenOrMethodGen mg = new MethodGen(m[0], cg2.getClassName(),
cg2.getConstantPool());
// Check it finally when the Method is changed to a MethodGen
i = mg.getAnnotationEntries().length;
assertEquals(1, i, "Wrong number of annotations on the main
'MethodGen'");
diff --git a/src/test/java/org/apache/bcel/util/BCELifierTestCase.java
b/src/test/java/org/apache/bcel/util/BCELifierTestCase.java
index c9155f02..351fcc09 100644
--- a/src/test/java/org/apache/bcel/util/BCELifierTestCase.java
+++ b/src/test/java/org/apache/bcel/util/BCELifierTestCase.java
@@ -61,12 +61,12 @@ public class BCELifierTestCase {
}
}
- private void testClassOnPath(final String javaClass) throws Exception {
+ private void testClassOnPath(final String javaClassFileName) throws
Exception {
// Get javap of the input class
- final String initial = exec(null, "javap", "-p", "-c", javaClass);
+ final String initial = exec(null, "javap", "-p", "-c",
javaClassFileName);
final File workDir = new File("target");
- final File infile = new File(javaClass);
+ final File infile = new File(javaClassFileName);
final JavaClass java_class =
BCELifier.getJavaClass(infile.getName().replace(".class", ""));
assertNotNull(java_class);
final File outfile = new File(workDir,
infile.getName().replace(".class", "Creator.java"));
diff --git
a/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTestCase.java
b/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTestCase.java
index 0f968389..e28dde32 100644
--- a/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTestCase.java
+++ b/src/test/java/org/apache/bcel/verifier/VerifyBadClassesTestCase.java
@@ -33,6 +33,7 @@ import org.apache.commons.exec.DefaultExecutor;
import org.apache.commons.exec.ExecuteException;
import org.apache.commons.exec.ExecuteWatchdog;
import org.apache.commons.exec.PumpStreamHandler;
+import org.apache.commons.lang3.ArrayUtils;
import org.junit.jupiter.api.Test;
/**
@@ -69,7 +70,7 @@ public class VerifyBadClassesTestCase {
/** The process timeout in milliseconds. Defaults to 30 seconds. */
final long timeout = 30 * 1000;
- final String[] args = command.toArray(new String[0]);
+ final String[] args = command.toArray(ArrayUtils.EMPTY_STRING_ARRAY);
final CommandLine cmdLine = new CommandLine(args[0]); // constructor
requires executable name
cmdLine.addArguments(Arrays.copyOfRange(args, 1, args.length));
