public void read(DataInput in) throws InvalidByteCodeException, IOException {
info = new byte[attributeLength];
in.readFully(info);
if (debug) debug("read " + getDebugMessage());
}
/**
* Factory method for creating <tt>AttributeInfo</tt> structures.
*
* <p>An <tt>AttributeInfo</tt> of the appropriate subtype from the <tt>attributes</tt> package is
* created unless the type of the attribute is unknown in which case an instance of
* <tt>AttributeInfo</tt> is returned.
*
* <p>
*
* <p>Attributes are skipped if the environment variable <tt>SYSTEM_PROPERTY_SKIP_ATTRIBUTES</tt>
* is set to true.
*
* @param in the <tt>DataInput</tt> from which to read the <tt>AttributeInfo</tt> structure
* @param classFile the parent class file of the structure to be created
* @return the new <tt>AttributeInfo</tt> structure
* @throws InvalidByteCodeException if the byte code is invalid
* @throws IOException if an exception occurs with the <tt>DataInput</tt>
*/
public static AttributeInfo createOrSkip(DataInput in, ClassFile classFile)
throws InvalidByteCodeException, IOException {
AttributeInfo attributeInfo = null;
if (Boolean.getBoolean(SYSTEM_PROPERTY_SKIP_ATTRIBUTES)) {
in.skipBytes(2);
in.skipBytes(in.readInt());
} else {
int attributeNameIndex = in.readUnsignedShort();
int attributeLength = in.readInt();
ConstantUtf8Info cpInfoName = classFile.getConstantPoolUtf8Entry(attributeNameIndex);
String attributeName = null;
if (cpInfoName == null) {
return null;
}
attributeName = cpInfoName.getString();
if (ConstantValueAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new ConstantValueAttribute();
} else if (CodeAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new CodeAttribute();
} else if (ExceptionsAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new ExceptionsAttribute();
} else if (InnerClassesAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new InnerClassesAttribute();
} else if (SyntheticAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new SyntheticAttribute();
} else if (SourceFileAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new SourceFileAttribute();
} else if (LineNumberTableAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new LineNumberTableAttribute();
} else if (LocalVariableTableAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new LocalVariableTableAttribute();
} else if (DeprecatedAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new DeprecatedAttribute();
} else if (EnclosingMethodAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new EnclosingMethodAttribute();
} else if (SignatureAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new SignatureAttribute();
} else if (LocalVariableTypeTableAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new LocalVariableTypeTableAttribute();
} else if (RuntimeVisibleAnnotationsAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new RuntimeVisibleAnnotationsAttribute();
} else if (RuntimeInvisibleAnnotationsAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new RuntimeInvisibleAnnotationsAttribute();
} else if (AnnotationDefaultAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new AnnotationDefaultAttribute();
} else if (BootstrapMethodsAttribute.ATTRIBUTE_NAME.equals(attributeName)) {
attributeInfo = new BootstrapMethodsAttribute(attributeLength);
} else {
attributeInfo = new AttributeInfo(attributeLength);
}
attributeInfo.setAttributeNameIndex(attributeNameIndex);
attributeInfo.setClassFile(classFile);
attributeInfo.read(in);
}
return attributeInfo;
}