001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 *  Unless required by applicable law or agreed to in writing, software
012 *  distributed under the License is distributed on an "AS IS" BASIS,
013 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 *  See the License for the specific language governing permissions and
015 *  limitations under the License.
016 *
017 */
018package org.apache.bcel.classfile;
019
020import java.io.DataOutputStream;
021import java.io.IOException;
022
023import org.apache.bcel.Const;
024
025/**
026 * @since 6.0
027 */
028public class ClassElementValue extends ElementValue
029{
030    // For primitive types and string type, this points to the value entry in
031    // the cpool
032    // For 'class' this points to the class entry in the cpool
033    private final int idx;
034
035    public ClassElementValue(final int type, final int idx, final ConstantPool cpool)
036    {
037        super(type, cpool);
038        this.idx = idx;
039    }
040
041    public int getIndex()
042    {
043        return idx;
044    }
045
046    public String getClassString()
047    {
048        final ConstantUtf8 c = (ConstantUtf8) super.getConstantPool().getConstant(idx,
049                Const.CONSTANT_Utf8);
050        return c.getBytes();
051    }
052
053    @Override
054    public String stringifyValue()
055    {
056        final ConstantUtf8 cu8 = (ConstantUtf8) super.getConstantPool().getConstant(idx,
057                Const.CONSTANT_Utf8);
058        return cu8.getBytes();
059    }
060
061    @Override
062    public void dump(final DataOutputStream dos) throws IOException
063    {
064        dos.writeByte(super.getType()); // u1 kind of value
065        dos.writeShort(idx);
066    }
067}