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The following commit(s) were added to refs/heads/master by this push: new d7012be Minor Improvements: (#83) d7012be is described below commit d7012bede7fbbf1a7b5b2fc4f587271792a0bd03 Author: Arturo Bernal <arturobern...@gmail.com> AuthorDate: Thu Jul 1 20:01:07 2021 +0200 Minor Improvements: (#83) * Use 'final' modifier * Change String to StringBuilder * Use StringBuilder append * Manual array copy * Use empty array --- .../org/apache/bcel/classfile/AnnotationEntry.java | 4 +- .../apache/bcel/classfile/BootstrapMethods.java | 2 +- .../org/apache/bcel/classfile/ConstantUtf8.java | 8 +- .../org/apache/bcel/classfile/FieldOrMethod.java | 4 +- .../java/org/apache/bcel/classfile/JavaClass.java | 10 +- .../bcel/classfile/ParameterAnnotationEntry.java | 2 +- .../java/org/apache/bcel/classfile/Utility.java | 6 +- .../apache/bcel/generic/AnnotationEntryGen.java | 6 +- .../java/org/apache/bcel/generic/ClassGen.java | 10 +- .../java/org/apache/bcel/generic/FieldGen.java | 2 +- .../org/apache/bcel/generic/InstructionList.java | 8 +- .../java/org/apache/bcel/generic/MethodGen.java | 6 +- src/main/java/org/apache/bcel/generic/Select.java | 2 +- .../java/org/apache/bcel/util/AttributeHTML.java | 6 +- src/main/java/org/apache/bcel/util/BCELifier.java | 8 +- src/main/java/org/apache/bcel/util/ClassSet.java | 2 +- src/main/java/org/apache/bcel/util/CodeHTML.java | 2 +- .../org/apache/bcel/verifier/PassVerifier.java | 4 +- .../org/apache/bcel/verifier/TransitiveHull.java | 2 +- .../java/org/apache/bcel/verifier/Verifier.java | 2 +- .../bcel/verifier/VerifierFactoryListModel.java | 2 +- .../org/apache/bcel/verifier/VerifyDialog.java | 18 ++-- .../bcel/verifier/statics/Pass2Verifier.java | 2 +- .../verifier/structurals/ControlFlowGraph.java | 8 +- .../verifier/structurals/ExceptionHandlers.java | 2 +- .../verifier/structurals/ExecutionVisitor.java | 4 +- .../structurals/InstConstraintVisitor.java | 6 +- .../bcel/verifier/structurals/LocalVariables.java | 4 +- .../bcel/AbstractCounterVisitorTestCase.java | 2 +- src/test/java/org/apache/bcel/BCELBenchmark.java | 2 +- src/test/java/org/apache/bcel/NanoTimer.java | 2 +- .../apache/bcel/generic/AnnotationGenTestCase.java | 2 +- .../org/apache/bcel/visitors/CounterVisitor.java | 108 ++++++++++----------- 33 files changed, 128 insertions(+), 130 deletions(-) diff --git a/src/main/java/org/apache/bcel/classfile/AnnotationEntry.java b/src/main/java/org/apache/bcel/classfile/AnnotationEntry.java index 16d8439..aba4422 100644 --- a/src/main/java/org/apache/bcel/classfile/AnnotationEntry.java +++ b/src/main/java/org/apache/bcel/classfile/AnnotationEntry.java @@ -117,7 +117,7 @@ public class AnnotationEntry implements Node { */ public ElementValuePair[] getElementValuePairs() { // TODO return List - return elementValuePairs.toArray(new ElementValuePair[elementValuePairs.size()]); + return elementValuePairs.toArray(new ElementValuePair[0]); } public void dump(final DataOutputStream dos) throws IOException { @@ -165,6 +165,6 @@ public class AnnotationEntry implements Node { Collections.addAll(accumulatedAnnotations, runtimeAnnotations.getAnnotationEntries()); } } - return accumulatedAnnotations.toArray(new AnnotationEntry[accumulatedAnnotations.size()]); + return accumulatedAnnotations.toArray(new AnnotationEntry[0]); } } diff --git a/src/main/java/org/apache/bcel/classfile/BootstrapMethods.java b/src/main/java/org/apache/bcel/classfile/BootstrapMethods.java index 3abe716..f06b7c2 100644 --- a/src/main/java/org/apache/bcel/classfile/BootstrapMethods.java +++ b/src/main/java/org/apache/bcel/classfile/BootstrapMethods.java @@ -143,7 +143,7 @@ public class BootstrapMethods extends Attribute { final String[] lines = (bootstrapMethods[i].toString(super.getConstantPool())).split("\\r?\\n"); buf.append(lines[0]); for (int j = 1; j < lines.length; j++) { - buf.append("\n").append(" ".substring(0,indent_count)).append(lines[j]); + buf.append("\n").append(" ", 0, indent_count).append(lines[j]); } } return buf.toString(); diff --git a/src/main/java/org/apache/bcel/classfile/ConstantUtf8.java b/src/main/java/org/apache/bcel/classfile/ConstantUtf8.java index f421f66..93ee8a3 100644 --- a/src/main/java/org/apache/bcel/classfile/ConstantUtf8.java +++ b/src/main/java/org/apache/bcel/classfile/ConstantUtf8.java @@ -83,10 +83,10 @@ public final class ConstantUtf8 extends Constant { } // TODO these should perhaps be AtomicInt? - private static volatile int considered = 0; - private static volatile int created = 0; - private static volatile int hits = 0; - private static volatile int skipped = 0; + private static volatile int considered; + private static volatile int created; + private static volatile int hits; + private static volatile int skipped; private static final String SYS_PROP_CACHE_MAX_ENTRIES = "bcel.maxcached"; private static final String SYS_PROP_CACHE_MAX_ENTRY_SIZE = "bcel.maxcached.size"; diff --git a/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java b/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java index 6b70942..4344ada 100644 --- a/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java +++ b/src/main/java/org/apache/bcel/classfile/FieldOrMethod.java @@ -63,8 +63,8 @@ public abstract class FieldOrMethod extends AccessFlags implements Cloneable, No @java.lang.Deprecated protected ConstantPool constant_pool; - private String signatureAttributeString = null; - private boolean searchedForSignatureAttribute = false; + private String signatureAttributeString; + private boolean searchedForSignatureAttribute; FieldOrMethod() { } diff --git a/src/main/java/org/apache/bcel/classfile/JavaClass.java b/src/main/java/org/apache/bcel/classfile/JavaClass.java index 13141fb..bb86a11 100644 --- a/src/main/java/org/apache/bcel/classfile/JavaClass.java +++ b/src/main/java/org/apache/bcel/classfile/JavaClass.java @@ -66,9 +66,9 @@ public class JavaClass extends AccessFlags implements Cloneable, Node, Comparabl private Attribute[] attributes; // attributes defined in the class private AnnotationEntry[] annotations; // annotations defined on the class private byte source = HEAP; // Generated in memory - private boolean isAnonymous = false; - private boolean isNested = false; - private boolean computedNestedTypeStatus = false; + private boolean isAnonymous; + private boolean isNested; + private boolean computedNestedTypeStatus; public static final byte HEAP = 1; public static final byte FILE = 2; public static final byte ZIP = 3; @@ -832,7 +832,7 @@ public class JavaClass extends AccessFlags implements Cloneable, Node, Comparabl for (clazz = clazz.getSuperClass(); clazz != null; clazz = clazz.getSuperClass()) { allSuperClasses.add(clazz); } - return allSuperClasses.toArray(new JavaClass[allSuperClasses.size()]); + return allSuperClasses.toArray(new JavaClass[0]); } @@ -871,7 +871,7 @@ public class JavaClass extends AccessFlags implements Cloneable, Node, Comparabl queue.enqueue(_interface); } } - return allInterfaces.toArray(new JavaClass[allInterfaces.size()]); + return allInterfaces.toArray(new JavaClass[0]); } diff --git a/src/main/java/org/apache/bcel/classfile/ParameterAnnotationEntry.java b/src/main/java/org/apache/bcel/classfile/ParameterAnnotationEntry.java index c8cc680..22cb87d 100644 --- a/src/main/java/org/apache/bcel/classfile/ParameterAnnotationEntry.java +++ b/src/main/java/org/apache/bcel/classfile/ParameterAnnotationEntry.java @@ -85,7 +85,7 @@ public class ParameterAnnotationEntry implements Node { Collections.addAll(accumulatedAnnotations, runtimeAnnotations.getParameterAnnotationEntries()); } } - return accumulatedAnnotations.toArray(new ParameterAnnotationEntry[accumulatedAnnotations.size()]); + return accumulatedAnnotations.toArray(new ParameterAnnotationEntry[0]); } } diff --git a/src/main/java/org/apache/bcel/classfile/Utility.java b/src/main/java/org/apache/bcel/classfile/Utility.java index 153a51e..6032a9e 100644 --- a/src/main/java/org/apache/bcel/classfile/Utility.java +++ b/src/main/java/org/apache/bcel/classfile/Utility.java @@ -69,7 +69,7 @@ public abstract class Utility { * following byte to form a * 16-bit value. */ - private static boolean wide = false; + private static boolean wide; /** @@ -591,7 +591,7 @@ public abstract class Utility { } catch (final StringIndexOutOfBoundsException e) { // Should never occur throw new ClassFormatException("Invalid method signature: " + signature, e); } - return vec.toArray(new String[vec.size()]); + return vec.toArray(new String[0]); } @@ -742,7 +742,7 @@ public abstract class Utility { old_index = 0; // String start offset // While we have something to replace while ((index = str.indexOf(old, old_index)) != -1) { - buf.append(str.substring(old_index, index)); // append prefix + buf.append(str, old_index, index); // append prefix buf.append(new_); // append replacement old_index = index + old.length(); // Skip `old'.length chars } diff --git a/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java b/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java index 5832af9..81e30a0 100644 --- a/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java +++ b/src/main/java/org/apache/bcel/generic/AnnotationEntryGen.java @@ -45,7 +45,7 @@ public class AnnotationEntryGen { private final ConstantPoolGen cpool; - private boolean isRuntimeVisible = false; + private boolean isRuntimeVisible; /** * Here we are taking a fixed annotation of type Annotation and building a @@ -257,7 +257,7 @@ public class AnnotationEntryGen { new DataInputStream(new ByteArrayInputStream(riaData)), cp.getConstantPool())); } - return newAttributes.toArray(new Attribute[newAttributes.size()]); + return newAttributes.toArray(new Attribute[0]); } catch (final IOException e) { System.err.println("IOException whilst processing annotations"); e.printStackTrace(); @@ -343,7 +343,7 @@ public class AnnotationEntryGen { .add(new RuntimeInvisibleParameterAnnotations(riaIndex, riaData.length, new DataInputStream(new ByteArrayInputStream(riaData)), cp.getConstantPool())); } - return newAttributes.toArray(new Attribute[newAttributes.size()]); + return newAttributes.toArray(new Attribute[0]); } catch (final IOException e) { System.err .println("IOException whilst processing parameter annotations"); diff --git a/src/main/java/org/apache/bcel/generic/ClassGen.java b/src/main/java/org/apache/bcel/generic/ClassGen.java index 8884463..3be6091 100644 --- a/src/main/java/org/apache/bcel/generic/ClassGen.java +++ b/src/main/java/org/apache/bcel/generic/ClassGen.java @@ -190,7 +190,7 @@ public class ClassGen extends AccessFlags implements Cloneable { } } } - return annotationGenObjs.toArray(new AnnotationEntryGen[annotationGenObjs.size()]); + return annotationGenObjs.toArray(new AnnotationEntryGen[0]); } @@ -432,7 +432,7 @@ public class ClassGen extends AccessFlags implements Cloneable { public Method[] getMethods() { - return methodList.toArray(new Method[methodList.size()]); + return methodList.toArray(new Method[0]); } @@ -473,17 +473,17 @@ public class ClassGen extends AccessFlags implements Cloneable { public Field[] getFields() { - return fieldList.toArray(new Field[fieldList.size()]); + return fieldList.toArray(new Field[0]); } public Attribute[] getAttributes() { - return attributeList.toArray(new Attribute[attributeList.size()]); + return attributeList.toArray(new Attribute[0]); } // J5TODO: Should we make calling unpackAnnotations() lazy and put it in here? public AnnotationEntryGen[] getAnnotationEntries() { - return annotationList.toArray(new AnnotationEntryGen[annotationList.size()]); + return annotationList.toArray(new AnnotationEntryGen[0]); } diff --git a/src/main/java/org/apache/bcel/generic/FieldGen.java b/src/main/java/org/apache/bcel/generic/FieldGen.java index 5efb131..19e2f98 100644 --- a/src/main/java/org/apache/bcel/generic/FieldGen.java +++ b/src/main/java/org/apache/bcel/generic/FieldGen.java @@ -42,7 +42,7 @@ import org.apache.bcel.util.BCELComparator; */ public class FieldGen extends FieldGenOrMethodGen { - private Object value = null; + private Object value; private static BCELComparator bcelComparator = new BCELComparator() { @Override diff --git a/src/main/java/org/apache/bcel/generic/InstructionList.java b/src/main/java/org/apache/bcel/generic/InstructionList.java index 15bb377..480b436 100644 --- a/src/main/java/org/apache/bcel/generic/InstructionList.java +++ b/src/main/java/org/apache/bcel/generic/InstructionList.java @@ -45,9 +45,9 @@ import org.apache.commons.lang3.ArrayUtils; */ public class InstructionList implements Iterable<InstructionHandle> { - private InstructionHandle start = null; - private InstructionHandle end = null; - private int length = 0; // number of elements in list + private InstructionHandle start; + private InstructionHandle end; + private int length; // number of elements in list private int[] bytePositions; // byte code offsets corresponding to instructions /** @@ -965,7 +965,7 @@ public class InstructionList implements Iterable<InstructionHandle> { } catch (final IOException e) { throw new ClassGenException(e.toString(), e); } - return instructions.toArray(new Instruction[instructions.size()]); + return instructions.toArray(new Instruction[0]); } @Override diff --git a/src/main/java/org/apache/bcel/generic/MethodGen.java b/src/main/java/org/apache/bcel/generic/MethodGen.java index ca561be..eaa8c2c 100644 --- a/src/main/java/org/apache/bcel/generic/MethodGen.java +++ b/src/main/java/org/apache/bcel/generic/MethodGen.java @@ -65,7 +65,7 @@ public class MethodGen extends FieldGenOrMethodGen { private int maxStack; private InstructionList il; private boolean stripAttributes; - private LocalVariableTypeTable localVariableTypeTable = null; + private LocalVariableTypeTable localVariableTypeTable; private final List<LocalVariableGen> variableList = new ArrayList<>(); private final List<LineNumberGen> lineNumberList = new ArrayList<>(); private final List<CodeExceptionGen> exceptionList = new ArrayList<>(); @@ -73,8 +73,8 @@ public class MethodGen extends FieldGenOrMethodGen { private final List<Attribute> codeAttrsList = new ArrayList<>(); private List<AnnotationEntryGen>[] paramAnnotations; // Array of lists containing AnnotationGen objects - private boolean hasParameterAnnotations = false; - private boolean haveUnpackedParameterAnnotations = false; + private boolean hasParameterAnnotations; + private boolean haveUnpackedParameterAnnotations; private static BCELComparator bcelComparator = new BCELComparator() { diff --git a/src/main/java/org/apache/bcel/generic/Select.java b/src/main/java/org/apache/bcel/generic/Select.java index ebb0e17..c57d4f9 100644 --- a/src/main/java/org/apache/bcel/generic/Select.java +++ b/src/main/java/org/apache/bcel/generic/Select.java @@ -68,7 +68,7 @@ public abstract class Select extends BranchInstruction implements VariableLength * @deprecated (since 6.0) will be made private; do not access directly, use getter/setter */ @Deprecated - protected int padding = 0; // number of pad bytes for alignment TODO could be package-protected? + protected int padding; // number of pad bytes for alignment TODO could be package-protected? /** diff --git a/src/main/java/org/apache/bcel/util/AttributeHTML.java b/src/main/java/org/apache/bcel/util/AttributeHTML.java index dfe5c8d..302f634 100644 --- a/src/main/java/org/apache/bcel/util/AttributeHTML.java +++ b/src/main/java/org/apache/bcel/util/AttributeHTML.java @@ -47,7 +47,7 @@ final class AttributeHTML { private final String class_name; // name of current class private final PrintWriter file; // file to write to - private int attr_count = 0; + private int attr_count; private final ConstantHTML constant_html; private final ConstantPool constant_pool; @@ -185,8 +185,8 @@ final class AttributeHTML { // List inner classes file.print("<UL>"); for (final InnerClass classe : classes) { - String name; - String access; + final String name; + final String access; index = classe.getInnerNameIndex(); if (index > 0) { name = ((ConstantUtf8) constant_pool.getConstant(index, Const.CONSTANT_Utf8)) diff --git a/src/main/java/org/apache/bcel/util/BCELifier.java b/src/main/java/org/apache/bcel/util/BCELifier.java index 9789e7a..9225f7c 100644 --- a/src/main/java/org/apache/bcel/util/BCELifier.java +++ b/src/main/java/org/apache/bcel/util/BCELifier.java @@ -216,14 +216,14 @@ public class BCELifier extends org.apache.bcel.classfile.EmptyVisitor { for (int i = 0, pow = 1; pow <= Const.MAX_ACC_FLAG_I; i++) { if ((flags & pow) != 0) { if ((pow == Const.ACC_SYNCHRONIZED) && (location == FLAGS.CLASS)) { - buf.append(CONSTANT_PREFIX+"ACC_SUPER | "); + buf.append(CONSTANT_PREFIX).append("ACC_SUPER | "); } else if ((pow == Const.ACC_VOLATILE) && (location == FLAGS.METHOD)) { - buf.append(CONSTANT_PREFIX+"ACC_BRIDGE | "); + buf.append(CONSTANT_PREFIX).append("ACC_BRIDGE | "); } else if ((pow == Const.ACC_TRANSIENT) && (location == FLAGS.METHOD)) { - buf.append(CONSTANT_PREFIX+"ACC_VARARGS | "); + buf.append(CONSTANT_PREFIX).append("ACC_VARARGS | "); } else { if (i < Const.ACCESS_NAMES_LENGTH) { - buf.append(CONSTANT_PREFIX+"ACC_").append(Const.getAccessName(i).toUpperCase(Locale.ENGLISH)).append( " | "); + buf.append(CONSTANT_PREFIX).append("ACC_").append(Const.getAccessName(i).toUpperCase(Locale.ENGLISH)).append( " | "); } else { buf.append(String.format (CONSTANT_PREFIX+"ACC_BIT %x | ", pow)); } diff --git a/src/main/java/org/apache/bcel/util/ClassSet.java b/src/main/java/org/apache/bcel/util/ClassSet.java index 1ce681a..b2d96a1 100644 --- a/src/main/java/org/apache/bcel/util/ClassSet.java +++ b/src/main/java/org/apache/bcel/util/ClassSet.java @@ -64,6 +64,6 @@ public class ClassSet { public String[] getClassNames() { - return map.keySet().toArray(new String[map.size()]); + return map.keySet().toArray(new String[0]); } } diff --git a/src/main/java/org/apache/bcel/util/CodeHTML.java b/src/main/java/org/apache/bcel/util/CodeHTML.java index 3160492..4fc6fb0 100644 --- a/src/main/java/org/apache/bcel/util/CodeHTML.java +++ b/src/main/java/org/apache/bcel/util/CodeHTML.java @@ -50,7 +50,7 @@ final class CodeHTML { private BitSet gotoSet; private final ConstantPool constantPool; private final ConstantHTML constantHtml; - private static boolean wide = false; + private static boolean wide; CodeHTML(final String dir, final String class_name, final Method[] methods, final ConstantPool constant_pool, diff --git a/src/main/java/org/apache/bcel/verifier/PassVerifier.java b/src/main/java/org/apache/bcel/verifier/PassVerifier.java index 8148968..2a55edf 100644 --- a/src/main/java/org/apache/bcel/verifier/PassVerifier.java +++ b/src/main/java/org/apache/bcel/verifier/PassVerifier.java @@ -49,7 +49,7 @@ public abstract class PassVerifier { /** The (warning) messages. */ private final List<String> messages = new ArrayList<>(); /** The VerificationResult cache. */ - private VerificationResult verificationResult = null; + private VerificationResult verificationResult; /** @@ -99,6 +99,6 @@ public abstract class PassVerifier { */ public String[] getMessages() { verify(); // create messages if not already done (cached!) - return messages.toArray(new String[messages.size()]); + return messages.toArray(new String[0]); } } diff --git a/src/main/java/org/apache/bcel/verifier/TransitiveHull.java b/src/main/java/org/apache/bcel/verifier/TransitiveHull.java index 75b077e..0db82f9 100644 --- a/src/main/java/org/apache/bcel/verifier/TransitiveHull.java +++ b/src/main/java/org/apache/bcel/verifier/TransitiveHull.java @@ -30,7 +30,7 @@ import org.apache.bcel.classfile.JavaClass; public class TransitiveHull implements VerifierFactoryObserver { /** Used for indentation. */ - private int indent = 0; + private int indent; /** Not publicly instantiable. */ diff --git a/src/main/java/org/apache/bcel/verifier/Verifier.java b/src/main/java/org/apache/bcel/verifier/Verifier.java index 2dd6087..bc7dd0f 100644 --- a/src/main/java/org/apache/bcel/verifier/Verifier.java +++ b/src/main/java/org/apache/bcel/verifier/Verifier.java @@ -176,7 +176,7 @@ public class Verifier { } } - return messages.toArray(new String[messages.size()]); + return messages.toArray(new String[0]); } diff --git a/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java b/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java index 2c8ca3e..0b78f42 100644 --- a/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java +++ b/src/main/java/org/apache/bcel/verifier/VerifierFactoryListModel.java @@ -70,7 +70,7 @@ public class VerifierFactoryListModel implements VerifierFactoryObserver, javax. @Override public synchronized String getElementAt(final int index) { - return cache.toArray(new String[cache.size()])[index]; + return cache.toArray(new String[0])[index]; } } diff --git a/src/main/java/org/apache/bcel/verifier/VerifyDialog.java b/src/main/java/org/apache/bcel/verifier/VerifyDialog.java index b37e9b3..7a0fa95 100644 --- a/src/main/java/org/apache/bcel/verifier/VerifyDialog.java +++ b/src/main/java/org/apache/bcel/verifier/VerifyDialog.java @@ -38,19 +38,19 @@ public class VerifyDialog extends javax.swing.JDialog { private static final long serialVersionUID = -6374807677043142313L; /** Machine-generated. */ - private javax.swing.JPanel ivjJDialogContentPane = null; + private javax.swing.JPanel ivjJDialogContentPane; /** Machine-generated. */ - private javax.swing.JPanel ivjPass1Panel = null; + private javax.swing.JPanel ivjPass1Panel; /** Machine-generated. */ - private javax.swing.JPanel ivjPass2Panel = null; + private javax.swing.JPanel ivjPass2Panel; /** Machine-generated. */ - private javax.swing.JPanel ivjPass3Panel = null; + private javax.swing.JPanel ivjPass3Panel; /** Machine-generated. */ - private javax.swing.JButton ivjPass1Button = null; + private javax.swing.JButton ivjPass1Button; /** Machine-generated. */ - private javax.swing.JButton ivjPass2Button = null; + private javax.swing.JButton ivjPass2Button; /** Machine-generated. */ - private javax.swing.JButton ivjPass3Button = null; + private javax.swing.JButton ivjPass3Button; /** Machine-generated. */ private final IvjEventHandler ivjEventHandler = new IvjEventHandler(); /** @@ -87,7 +87,7 @@ public class VerifyDialog extends javax.swing.JDialog { } /** Machine-generated. */ - private javax.swing.JButton ivjFlushButton = null; + private javax.swing.JButton ivjFlushButton; /** Machine-generated. */ @@ -473,7 +473,7 @@ public class VerifyDialog extends javax.swing.JDialog { classesToVerify = args.length; for (final String arg : args) { try { - VerifyDialog aVerifyDialog; + final VerifyDialog aVerifyDialog; aVerifyDialog = new VerifyDialog(arg); aVerifyDialog.setModal(true); aVerifyDialog.addWindowListener(new java.awt.event.WindowAdapter() { diff --git a/src/main/java/org/apache/bcel/verifier/statics/Pass2Verifier.java b/src/main/java/org/apache/bcel/verifier/statics/Pass2Verifier.java index dae1eed..61e65bc 100644 --- a/src/main/java/org/apache/bcel/verifier/statics/Pass2Verifier.java +++ b/src/main/java/org/apache/bcel/verifier/statics/Pass2Verifier.java @@ -1529,7 +1529,7 @@ public final class Pass2Verifier extends PassVerifier implements Constants { * time even fail to detect missing InnerClasses attributes in pass 2. */ private static class InnerClassDetector extends EmptyVisitor{ - private boolean hasInnerClass = false; + private boolean hasInnerClass; private final JavaClass jc; private final ConstantPool cp; 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 568f0e6..89b4970 100644 --- a/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java +++ b/src/main/java/org/apache/bcel/verifier/structurals/ControlFlowGraph.java @@ -76,7 +76,7 @@ public class ControlFlowGraph{ * The 'execution predecessors' - a list of type InstructionContext * of those instances that have been execute()d before in that order. */ - private List<InstructionContext> executionPredecessors = null; // Type: InstructionContext + private List<InstructionContext> executionPredecessors; // Type: InstructionContext /** * Creates an InstructionHandleImpl object from an InstructionHandle. @@ -258,11 +258,11 @@ public class ControlFlowGraph{ * by the surrounding ControlFlowGraph. */ private String getExecutionChain() { - String s = this.toString(); + StringBuilder s = new StringBuilder(this.toString()); for (int i=executionPredecessors.size()-1; i>=0; i--) { - s = executionPredecessors.get(i)+"\n" + s; + s.insert(0, executionPredecessors.get(i) + "\n"); } - return s; + return s.toString(); } 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 66403f2..01e2b7b 100644 --- a/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java +++ b/src/main/java/org/apache/bcel/verifier/structurals/ExceptionHandlers.java @@ -69,7 +69,7 @@ public class ExceptionHandlers { if (hsSet == null) { return EMPTY_EXCEPTION_HANDLER_ARRAY; } - return hsSet.toArray(new ExceptionHandler[hsSet.size()]); + return hsSet.toArray(new ExceptionHandler[0]); } } 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 d737ca7..7542b04 100644 --- a/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java +++ b/src/main/java/org/apache/bcel/verifier/structurals/ExecutionVisitor.java @@ -63,13 +63,13 @@ public class ExecutionVisitor extends EmptyVisitor{ /** * The executionframe we're operating on. */ - private Frame frame = null; + private Frame frame; /** * The ConstantPoolGen we're working with. * @see #setConstantPoolGen(ConstantPoolGen) */ - private ConstantPoolGen cpg = null; + private ConstantPoolGen cpg; /** * Constructor. Constructs a new instance of this class. diff --git a/src/main/java/org/apache/bcel/verifier/structurals/InstConstraintVisitor.java b/src/main/java/org/apache/bcel/verifier/structurals/InstConstraintVisitor.java index 92ec820..c405716 100644 --- a/src/main/java/org/apache/bcel/verifier/structurals/InstConstraintVisitor.java +++ b/src/main/java/org/apache/bcel/verifier/structurals/InstConstraintVisitor.java @@ -66,21 +66,21 @@ public class InstConstraintVisitor extends EmptyVisitor{ * @see #locals() * @see #stack() */ - private Frame frame = null; + private Frame frame; /** * The ConstantPoolGen we're working on. * * @see #setConstantPoolGen(ConstantPoolGen cpg) */ - private ConstantPoolGen cpg = null; + private ConstantPoolGen cpg; /** * The MethodGen we're working on. * * @see #setMethodGen(MethodGen mg) */ - private MethodGen mg = null; + private MethodGen mg; /** * The OperandStack we're working on. 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 25fa020..ed74a37 100644 --- a/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java +++ b/src/main/java/org/apache/bcel/verifier/structurals/LocalVariables.java @@ -52,9 +52,7 @@ public class LocalVariables implements Cloneable { @Override public Object clone() { final LocalVariables lvs = new LocalVariables(locals.length); - for (int i=0; i<locals.length; i++) { - lvs.locals[i] = this.locals[i]; - } + System.arraycopy(this.locals, 0, lvs.locals, 0, locals.length); return lvs; } diff --git a/src/test/java/org/apache/bcel/AbstractCounterVisitorTestCase.java b/src/test/java/org/apache/bcel/AbstractCounterVisitorTestCase.java index 9d6f208..7b18b97 100644 --- a/src/test/java/org/apache/bcel/AbstractCounterVisitorTestCase.java +++ b/src/test/java/org/apache/bcel/AbstractCounterVisitorTestCase.java @@ -27,7 +27,7 @@ public abstract class AbstractCounterVisitorTestCase extends AbstractTestCase { protected abstract JavaClass getTestClass() throws ClassNotFoundException; - private CounterVisitor visitor = null; + private CounterVisitor visitor; @BeforeEach public void setUp() throws ClassNotFoundException diff --git a/src/test/java/org/apache/bcel/BCELBenchmark.java b/src/test/java/org/apache/bcel/BCELBenchmark.java index ad48cee..1716a99 100644 --- a/src/test/java/org/apache/bcel/BCELBenchmark.java +++ b/src/test/java/org/apache/bcel/BCELBenchmark.java @@ -53,7 +53,7 @@ import org.openjdk.jmh.infra.Blackhole; public class BCELBenchmark { private JarFile getJarFile() throws IOException { - String javaHome = System.getProperty("java.home"); + final String javaHome = System.getProperty("java.home"); return new JarFile(javaHome + "/lib/rt.jar"); } diff --git a/src/test/java/org/apache/bcel/NanoTimer.java b/src/test/java/org/apache/bcel/NanoTimer.java index cc0cb75..b9534fb 100644 --- a/src/test/java/org/apache/bcel/NanoTimer.java +++ b/src/test/java/org/apache/bcel/NanoTimer.java @@ -20,7 +20,7 @@ package org.apache.bcel; public class NanoTimer { - private long timeNanos = 0; + private long timeNanos; public NanoTimer start() { timeNanos -= System.nanoTime(); diff --git a/src/test/java/org/apache/bcel/generic/AnnotationGenTestCase.java b/src/test/java/org/apache/bcel/generic/AnnotationGenTestCase.java index c66b171..7737941 100644 --- a/src/test/java/org/apache/bcel/generic/AnnotationGenTestCase.java +++ b/src/test/java/org/apache/bcel/generic/AnnotationGenTestCase.java @@ -133,7 +133,7 @@ public class AnnotationGenTestCase extends AbstractTestCase } final byte[] bs = baos.toByteArray(); final ByteArrayInputStream bais = new ByteArrayInputStream(bs); - AnnotationEntryGen annAfter; + final AnnotationEntryGen annAfter; try (DataInputStream dis = new DataInputStream(bais)) { annAfter = AnnotationEntryGen.read(dis, cpg, a.isRuntimeVisible()); } diff --git a/src/test/java/org/apache/bcel/visitors/CounterVisitor.java b/src/test/java/org/apache/bcel/visitors/CounterVisitor.java index 509b5c1..682b864 100644 --- a/src/test/java/org/apache/bcel/visitors/CounterVisitor.java +++ b/src/test/java/org/apache/bcel/visitors/CounterVisitor.java @@ -80,129 +80,129 @@ import org.apache.bcel.classfile.Visitor; public class CounterVisitor implements Visitor { // CHECKSTYLE:OFF (public mutable fields in test code) - public int unknownCount = 0; + public int unknownCount; - public int syntheticCount = 0; + public int syntheticCount; - public int stackMapEntryCount = 0; + public int stackMapEntryCount; - public int stackMapCount = 0; + public int stackMapCount; - public int sourceFileCount = 0; + public int sourceFileCount; - public int signatureAnnotationCount = 0; + public int signatureAnnotationCount; - public int parameterAnnotationCount = 0; + public int parameterAnnotationCount; - public int methodCount = 0; + public int methodCount; - public int localVariableTypeTableCount = 0; + public int localVariableTypeTableCount; - public int localVariableTableCount = 0; + public int localVariableTableCount; - public int localVariableCount = 0; + public int localVariableCount; - public int lineNumberTableCount = 0; + public int lineNumberTableCount; - public int lineNumberCount = 0; + public int lineNumberCount; - public int javaClassCount = 0; + public int javaClassCount; - public int innerClassesCount = 0; + public int innerClassesCount; - public int innerClassCount = 0; + public int innerClassCount; - public int fieldCount = 0; + public int fieldCount; - public int exceptionTableCount = 0; + public int exceptionTableCount; - public int enclosingMethodCount = 0; + public int enclosingMethodCount; - public int deprecatedCount = 0; + public int deprecatedCount; - public int constantValueCount = 0; + public int constantValueCount; - public int constantUtf8Count = 0; + public int constantUtf8Count; - public int constantStringCount = 0; + public int constantStringCount; - public int constantNameAndTypeCount = 0; + public int constantNameAndTypeCount; - public int constantPoolCount = 0; + public int constantPoolCount; - public int constantMethodrefCount = 0; + public int constantMethodrefCount; - public int constantLongCount = 0; + public int constantLongCount; - public int constantIntegerCount = 0; + public int constantIntegerCount; - public int constantInterfaceMethodrefCount = 0; + public int constantInterfaceMethodrefCount; - public int constantFloatCount = 0; + public int constantFloatCount; - public int constantFieldrefCount = 0; + public int constantFieldrefCount; - public int constantClassCount = 0; + public int constantClassCount; - public int constantDoubleCount = 0; + public int constantDoubleCount; - public int codeExceptionCount = 0; + public int codeExceptionCount; - public int codeCount = 0; + public int codeCount; - public int annotationEntryCount = 0; + public int annotationEntryCount; - public int annotationDefaultCount = 0; + public int annotationDefaultCount; - public int annotationCount = 0; + public int annotationCount; /** @since 6.0 */ - public int bootstrapMethodsCount = 0; + public int bootstrapMethodsCount; /** @since 6.0 */ - public int methodParameterCount = 0; + public int methodParameterCount; /** @since 6.0 */ - public int methodParametersCount = 0; + public int methodParametersCount; /** @since 6.0 */ - public int constantInvokeDynamic = 0; + public int constantInvokeDynamic; /** @since 6.1 */ - public int constantModuleCount = 0; + public int constantModuleCount; /** @since 6.1 */ - public int constantPackageCount = 0; + public int constantPackageCount; /** @since 6.3 */ - public int constantDynamicCount = 0; + public int constantDynamicCount; /** @since 6.4.0 */ - public int moduleCount = 0; + public int moduleCount; /** @since 6.4.0 */ - public int moduleExportsCount = 0; + public int moduleExportsCount; /** @since 6.4.0 */ - public int moduleOpensCount = 0; + public int moduleOpensCount; /** @since 6.4.0 */ - public int moduleProvidesCount = 0; + public int moduleProvidesCount; /** @since 6.4.0 */ - public int moduleRequiresCount = 0; + public int moduleRequiresCount; /** @since 6.4.0 */ - public int moduleMainClassCount = 0; + public int moduleMainClassCount; /** @since 6.4.0 */ - public int modulePackagesCount = 0; + public int modulePackagesCount; /** @since 6.4.0 */ - public int nestHostCount = 0; + public int nestHostCount; /** @since 6.4.0 */ - public int nestMembersCount = 0; + public int nestMembersCount; // CHECKSTYLE:ON