/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
* Free SoftwareFoundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.bytecode;
import java.io.IOException;
/**
* Represents a string pointer in the constant pool.
*/
public class StringConstant extends ConstantPoolEntry {
private int _stringIndex;
/**
* Creates a new string constant.
*/
StringConstant(ConstantPool pool, int index, int stringIndex)
{
super(pool, index);
_stringIndex = stringIndex;
}
/**
* Returns the UTF string.
*/
public String getString()
{
return getConstantPool().getUtf8(_stringIndex).getValue();
}
/**
* Writes the contents of the pool entry.
*/
void write(ByteCodeWriter out)
throws IOException
{
out.write(ConstantPool.CP_STRING);
out.writeShort(_stringIndex);
}
/**
* Exports to the target pool.
*/
public int export(ConstantPool target)
{
return target.addString(getString()).getIndex();
}
public String toString()
{
return "StringConstant[" + getString() + "]";
}
}