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The following commit(s) were added to refs/heads/master by this push:
new d2221e6bc Javadoc
d2221e6bc is described below
commit d2221e6bc9364432077f5818a17a8af28958cc72
Author: Gary D. Gregory <garydgreg...@gmail.com>
AuthorDate: Sat Jan 25 09:26:21 2025 -0500
Javadoc
- Reuse StringUtils.isEmpty()
- Local variable name are lower case
---
.../harmony/unpack200/AttributeLayout.java | 126 ++++++++++++++++-----
.../harmony/unpack200/SegmentConstantPool.java | 67 ++++++++++-
2 files changed, 160 insertions(+), 33 deletions(-)
diff --git
a/src/main/java/org/apache/commons/compress/harmony/unpack200/AttributeLayout.java
b/src/main/java/org/apache/commons/compress/harmony/unpack200/AttributeLayout.java
index afa0c763f..eeac65470 100644
---
a/src/main/java/org/apache/commons/compress/harmony/unpack200/AttributeLayout.java
+++
b/src/main/java/org/apache/commons/compress/harmony/unpack200/AttributeLayout.java
@@ -21,9 +21,10 @@
import org.apache.commons.compress.harmony.pack200.Codec;
import org.apache.commons.compress.harmony.pack200.Pack200Exception;
import org.apache.commons.compress.harmony.unpack200.bytecode.ClassFileEntry;
+import org.apache.commons.lang3.StringUtils;
/**
- * AttributeLayout defines a layout that describes how an attribute will be
transmitted.
+ * Defines a layout that describes how an attribute will be transmitted.
*/
public class AttributeLayout implements IMatcher {
@@ -127,10 +128,6 @@ public class AttributeLayout implements IMatcher {
*/
public static final String ATTRIBUTE_DEPRECATED = "Deprecated";
//$NON-NLS-1$
- /**
- * {@value}
- */
-
/**
* {@value}
*/
@@ -217,32 +214,32 @@ public class AttributeLayout implements IMatcher {
public static final String[] contextNames = { "Class", "Field", "Method",
//$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
"Code", }; //$NON-NLS-1$
- private static ClassFileEntry getValue(final String layout, long value,
final SegmentConstantPool pool) throws Pack200Exception {
+ private static ClassFileEntry getValue(final String layout, long
longIndex, final SegmentConstantPool pool) throws Pack200Exception {
if (layout.startsWith("R")) { //$NON-NLS-1$
// references
if (layout.indexOf('N') != -1) {
- value--;
+ longIndex--;
}
if (layout.startsWith("RU")) { //$NON-NLS-1$
- return pool.getValue(SegmentConstantPool.UTF_8, value);
+ return pool.getValue(SegmentConstantPool.UTF_8, longIndex);
}
if (layout.startsWith("RS")) { //$NON-NLS-1$
- return pool.getValue(SegmentConstantPool.SIGNATURE, value);
+ return pool.getValue(SegmentConstantPool.SIGNATURE, longIndex);
}
} else if (layout.startsWith("K")) { //$NON-NLS-1$
final char type = layout.charAt(1);
switch (type) {
case 'S': // String
- return pool.getValue(SegmentConstantPool.CP_STRING, value);
+ return pool.getValue(SegmentConstantPool.CP_STRING, longIndex);
case 'I': // Int (or byte or short)
case 'C': // Char
- return pool.getValue(SegmentConstantPool.CP_INT, value);
+ return pool.getValue(SegmentConstantPool.CP_INT, longIndex);
case 'F': // Float
- return pool.getValue(SegmentConstantPool.CP_FLOAT, value);
+ return pool.getValue(SegmentConstantPool.CP_FLOAT, longIndex);
case 'J': // Long
- return pool.getValue(SegmentConstantPool.CP_LONG, value);
+ return pool.getValue(SegmentConstantPool.CP_LONG, longIndex);
case 'D': // Double
- return pool.getValue(SegmentConstantPool.CP_DOUBLE, value);
+ return pool.getValue(SegmentConstantPool.CP_DOUBLE, longIndex);
}
}
throw new Pack200Exception("Unknown layout encoding: " + layout);
@@ -263,10 +260,10 @@ private static ClassFileEntry getValue(final String
layout, long value, final Se
/**
* Constructs a default AttributeLayout (equivalent to {@code new
AttributeLayout(name, context, layout, index, true);})
*
- * @param name TODO
- * @param context TODO
- * @param layout TODO
- * @param index TODO
+ * @param name The layout name.
+ * @param context One of {@link #CONTEXT_CLASS}, {@link #CONTEXT_CODE},
{@link #CONTEXT_FIELD}, {@link #CONTEXT_METHOD}.
+ * @param layout The layout.
+ * @param index The index, currently used as part of computing the hash
code.
* @throws Pack200Exception Attribute context out of range.
* @throws Pack200Exception Cannot have a null layout.
* @throws Pack200Exception Cannot have an unnamed layout.
@@ -275,6 +272,18 @@ public AttributeLayout(final String name, final int
context, final String layout
this(name, context, layout, index, true);
}
+ /**
+ * Constructs a default AttributeLayout (equivalent to {@code new
AttributeLayout(name, context, layout, index, true);})
+ *
+ * @param name The layout name.
+ * @param context One of {@link #CONTEXT_CLASS}, {@link #CONTEXT_CODE},
{@link #CONTEXT_FIELD}, {@link #CONTEXT_METHOD}.
+ * @param layout The layout.
+ * @param index The index, currently used as part of computing the hash
code.
+ * @param isDefault Whether this is the default layout.
+ * @throws Pack200Exception Attribute context out of range.
+ * @throws Pack200Exception Cannot have a null layout.
+ * @throws Pack200Exception Cannot have an unnamed layout.
+ */
public AttributeLayout(final String name, final int context, final String
layout, final int index, final boolean isDefault) throws Pack200Exception {
this.index = index;
this.context = context;
@@ -289,7 +298,7 @@ public AttributeLayout(final String name, final int
context, final String layout
if (layout == null) {
throw new Pack200Exception("Cannot have a null layout");
}
- if (name == null || name.length() == 0) {
+ if (StringUtils.isEmpty(name)) {
throw new Pack200Exception("Cannot have an unnamed layout");
}
this.name = name;
@@ -297,6 +306,11 @@ public AttributeLayout(final String name, final int
context, final String layout
this.isDefault = isDefault;
}
+ /**
+ * Gets the Codec based on the layout.
+ *
+ * @return the Codec.
+ */
public Codec getCodec() {
if (layout.indexOf('O') >= 0) {
return Codec.BRANCH5;
@@ -314,55 +328,97 @@ public Codec getCodec() {
return Codec.UNSIGNED5;
}
+ /**
+ * Gets the context.
+ *
+ * @return the context.
+ */
public int getContext() {
return context;
}
+ /**
+ * Gets the index.
+ *
+ * @return the index.
+ */
public int getIndex() {
return index;
}
+ /**
+ * Gets the layout.
+ *
+ * @return the layout.
+ */
public String getLayout() {
return layout;
}
+ /**
+ * Gets the name.
+ *
+ * @return the name.
+ */
public String getName() {
return name;
}
- public ClassFileEntry getValue(final long value, final SegmentConstantPool
pool) throws Pack200Exception {
- return getValue(layout, value, pool);
+ /**
+ * Gets the ClassFileEntry for the given input.
+ *
+ * @param longIndex An index into the segment constant pool.
+ * @param pool the segment constant pool.
+ * @return the matching ClassFileEntry.
+ * @throws Pack200Exception if the input is invalid.
+ */
+ public ClassFileEntry getValue(final long longIndex, final
SegmentConstantPool pool) throws Pack200Exception {
+ return getValue(layout, longIndex, pool);
}
- public ClassFileEntry getValue(final long value, final String type, final
SegmentConstantPool pool) throws Pack200Exception {
+ /**
+ * Gets the ClassFileEntry for the given input.
+ *
+ * @param longIndex An index into the segment constant pool.
+ * @param type the Java type signature.
+ * @param pool the segment constant pool.
+ * @return the matching ClassFileEntry.
+ * @throws Pack200Exception if the input is invalid.
+ */
+ public ClassFileEntry getValue(final long longIndex, final String type,
final SegmentConstantPool pool) throws Pack200Exception {
// TODO This really needs to be better tested, esp. the different types
// TODO This should have the ability to deal with RUN stuff too, and
// unions
if (!layout.startsWith("KQ")) {
- return getValue(layout, value, pool);
+ return getValue(layout, longIndex, pool);
}
if (type.equals("Ljava/lang/String;")) { //$NON-NLS-1$
- return getValue("KS", value, pool);
+ return getValue("KS", longIndex, pool);
}
- return getValue("K" + type + layout.substring(2), value, //$NON-NLS-1$
+ return getValue("K" + type + layout.substring(2), longIndex,
//$NON-NLS-1$
pool);
}
@Override
public int hashCode() {
- final int PRIME = 31;
+ final int prime = 31;
int r = 1;
if (name != null) {
- r = r * PRIME + name.hashCode();
+ r = r * prime + name.hashCode();
}
if (layout != null) {
- r = r * PRIME + layout.hashCode();
+ r = r * prime + layout.hashCode();
}
- r = r * PRIME + index;
- r = r * PRIME + context;
+ r = r * prime + index;
+ r = r * prime + context;
return r;
}
+ /**
+ * Tests whether this is the default layout.
+ *
+ * @return whether this is the default layout.
+ */
public boolean isDefaultLayout() {
return isDefault;
}
@@ -377,6 +433,11 @@ public boolean matches(final long value) {
return (value & mask) != 0;
}
+ /**
+ * Gets the backward call count.
+ *
+ * @return the backward call count.
+ */
public int numBackwardsCallables() {
if ("*".equals(layout)) {
return 1;
@@ -384,6 +445,11 @@ public int numBackwardsCallables() {
return backwardsCallCount;
}
+ /**
+ * Sets the backward call count.
+ *
+ * @param backwardsCallCount the backward call count.
+ */
public void setBackwardsCallCount(final int backwardsCallCount) {
this.backwardsCallCount = backwardsCallCount;
}
diff --git
a/src/main/java/org/apache/commons/compress/harmony/unpack200/SegmentConstantPool.java
b/src/main/java/org/apache/commons/compress/harmony/unpack200/SegmentConstantPool.java
index eb71f350a..17fa7268b 100644
---
a/src/main/java/org/apache/commons/compress/harmony/unpack200/SegmentConstantPool.java
+++
b/src/main/java/org/apache/commons/compress/harmony/unpack200/SegmentConstantPool.java
@@ -25,29 +25,90 @@
import
org.apache.commons.compress.harmony.unpack200.bytecode.ConstantPoolEntry;
/**
- * SegmentConstantPool manages the constant pool used for re-creating class
files.
+ * Manages the constant pool used for re-creating class files.
*/
public class SegmentConstantPool {
+ /**
+ * Value {@value}.
+ */
public static final int ALL = 0;
+
+ /**
+ * Value {@value}.
+ */
public static final int UTF_8 = 1;
+ /**
+ * Value {@value}.
+ */
public static final int CP_INT = 2;
// define in archive order
+ /**
+ * Value {@value}.
+ */
public static final int CP_FLOAT = 3;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_LONG = 4;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_DOUBLE = 5;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_STRING = 6;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_CLASS = 7;
+
+ /**
+ * Value {@value}.
+ */
public static final int SIGNATURE = 8; // TODO and more to come --
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_DESCR = 9;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_FIELD = 10;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_METHOD = 11;
+
+ /**
+ * Value {@value}.
+ */
public static final int CP_IMETHOD = 12;
+
+ /**
+ * Value {@value}.
+ */
protected static final String REGEX_MATCH_ALL = ".*";
+
+ /**
+ * Value {@value}.
+ */
protected static final String INITSTRING = "<init>";
+
+ /**
+ * Value {@value}.
+ */
protected static final String REGEX_MATCH_INIT = "^" + INITSTRING + ".*";
/**
@@ -194,8 +255,8 @@ public ConstantPoolEntry getInitMethodPoolEntry(final int
cp, final long value,
return getConstantPoolEntry(cp, realIndex);
}
- public ClassFileEntry getValue(final int cp, final long value) throws
Pack200Exception {
- final int index = (int) value;
+ public ClassFileEntry getValue(final int cp, final long longIndex) throws
Pack200Exception {
+ final int index = (int) longIndex;
if (index == -1) {
return null;
}
