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}