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package org.aspectj.apache.bcel.classfile;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache BCEL" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [email protected].
*
* 5. Products derived from this software may not be called "Apache",
* "Apache BCEL", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* .
*/
import org.aspectj.apache.bcel.Constants;
import java.io.*;
/**
* This class is derived from Attribute and represents a reference
* to a PMG
* attribute.
*
* @version $Id: PMGClass.java,v 1.3 2008/05/28 23:53:02 aclement Exp $
* @author M. Dahm
* @see Attribute
*/
public final class PMGClass extends Attribute {
private int pmg_class_index, pmg_index;
/**
* Initialize from another object. Note that both objects use the same
* references (shallow copy). Use clone() for a physical copy.
*/
public PMGClass(PMGClass c) {
this(c.getNameIndex(), c.getLength(), c.getPMGIndex(), c.getPMGClassIndex(),
c.getConstantPool());
}
/**
* Construct object from file stream.
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
* @param file Input stream
* @param constant_pool Array of constants
* @throws IOException
*/
PMGClass(int name_index, int length, DataInputStream file,
ConstantPool constant_pool) throws IOException
{
this(name_index, length, file.readUnsignedShort(), file.readUnsignedShort(),
constant_pool);
}
/**
* @param name_index Index in constant pool to CONSTANT_Utf8
* @param length Content length in bytes
* @param constant_pool Array of constants
* @param PMGClass_index Index in constant pool to CONSTANT_Utf8
*/
public PMGClass(int name_index, int length, int pmg_index, int pmg_class_index,
ConstantPool constant_pool)
{
super(Constants.ATTR_PMG, name_index, length, constant_pool);
this.pmg_index = pmg_index;
this.pmg_class_index = pmg_class_index;
}
/**
* Called by objects that are traversing the nodes of the tree implicitely
* defined by the contents of a Java class. I.e., the hierarchy of methods,
* fields, attributes, etc. spawns a tree of objects.
*
* @param v Visitor object
*/
public void accept(ClassVisitor v) {
System.err.println("Visiting non-standard PMGClass object");
}
/**
* Dump source file attribute to file stream in binary format.
*
* @param file Output file stream
* @throws IOException
*/
public final void dump(DataOutputStream file) throws IOException
{
super.dump(file);
file.writeShort(pmg_index);
file.writeShort(pmg_class_index);
}
/**
* @return Index in constant pool of source file name.
*/
public final int getPMGClassIndex() { return pmg_class_index; }
/**
* @param PMGClass_index.
*/
public final void setPMGClassIndex(int pmg_class_index) {
this.pmg_class_index = pmg_class_index;
}
/**
* @return Index in constant pool of source file name.
*/
public final int getPMGIndex() { return pmg_index; }
/**
* @param PMGClass_index.
*/
public final void setPMGIndex(int pmg_index) {
this.pmg_index = pmg_index;
}
/**
* @return PMG name.
*/
public final String getPMGName() {
ConstantUtf8 c = (ConstantUtf8)constantPool.getConstant(pmg_index,
Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return PMG class name.
*/
public final String getPMGClassName() {
ConstantUtf8 c = (ConstantUtf8)constantPool.getConstant(pmg_class_index,
Constants.CONSTANT_Utf8);
return c.getBytes();
}
/**
* @return String representation
*/
public final String toString() {
return "PMGClass(" + getPMGName() + ", " + getPMGClassName() + ")";
}
/**
* @return deep copy of this attribute
*/
public Attribute copy(ConstantPool constant_pool) {
return (PMGClass)clone();
}
}