Java Code Examples for com.sun.org.apache.bcel.internal.Constants#KNOWN_ATTRIBUTES
The following examples show how to use
com.sun.org.apache.bcel.internal.Constants#KNOWN_ATTRIBUTES .
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Example 1
| Source File: Attribute.java From jdk1.8-source-analysis with Apache License 2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 2
| Source File: Attribute.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 3
| Source File: Attribute.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 4
| Source File: Attribute.java From JDKSourceCode1.8 with MIT License | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 5
| Source File: Attribute.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 6
| Source File: Attribute.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 7
| Source File: Attribute.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 8
| Source File: Attribute.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 9
| Source File: Attribute.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
Example 10
| Source File: Attribute.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
public static final Attribute readAttribute(DataInputStream file,
ConstantPool constant_pool)
throws IOException, ClassFormatException
{
ConstantUtf8 c;
String name;
int name_index;
int length;
byte tag = Constants.ATTR_UNKNOWN; // Unknown attribute
// Get class name from constant pool via `name_index' indirection
name_index = (int)file.readUnsignedShort();
c = (ConstantUtf8)constant_pool.getConstant(name_index,
Constants.CONSTANT_Utf8);
name = c.getBytes();
// Length of data in bytes
length = file.readInt();
// Compare strings to find known attribute
for(byte i=0; i < Constants.KNOWN_ATTRIBUTES; i++) {
if(name.equals(Constants.ATTRIBUTE_NAMES[i])) {
tag = i; // found!
break;
}
}
// Call proper constructor, depending on `tag'
switch(tag) {
case Constants.ATTR_UNKNOWN:
AttributeReader r = (AttributeReader)readers.get(name);
if(r != null)
return r.createAttribute(name_index, length, file, constant_pool);
else
return new Unknown(name_index, length, file, constant_pool);
case Constants.ATTR_CONSTANT_VALUE:
return new ConstantValue(name_index, length, file, constant_pool);
case Constants.ATTR_SOURCE_FILE:
return new SourceFile(name_index, length, file, constant_pool);
case Constants.ATTR_CODE:
return new Code(name_index, length, file, constant_pool);
case Constants.ATTR_EXCEPTIONS:
return new ExceptionTable(name_index, length, file, constant_pool);
case Constants.ATTR_LINE_NUMBER_TABLE:
return new LineNumberTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TABLE:
return new LocalVariableTable(name_index, length, file, constant_pool);
case Constants.ATTR_LOCAL_VARIABLE_TYPE_TABLE:
return new LocalVariableTypeTable(name_index, length, file, constant_pool);
case Constants.ATTR_INNER_CLASSES:
return new InnerClasses(name_index, length, file, constant_pool);
case Constants.ATTR_SYNTHETIC:
return new Synthetic(name_index, length, file, constant_pool);
case Constants.ATTR_DEPRECATED:
return new Deprecated(name_index, length, file, constant_pool);
case Constants.ATTR_PMG:
return new PMGClass(name_index, length, file, constant_pool);
case Constants.ATTR_SIGNATURE:
return new Signature(name_index, length, file, constant_pool);
case Constants.ATTR_STACK_MAP:
return new StackMap(name_index, length, file, constant_pool);
default: // Never reached
throw new IllegalStateException("Ooops! default case reached.");
}
}
