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
023/**
024 * @since 6.0
025 */
026public class ArrayElementValue extends ElementValue
027{
028    // For array types, this is the array
029    private final ElementValue[] evalues;
030
031    @Override
032    public String toString()
033    {
034        final StringBuilder sb = new StringBuilder();
035        sb.append("{");
036        for (int i = 0; i < evalues.length; i++)
037        {
038            sb.append(evalues[i]);
039            if ((i + 1) < evalues.length) {
040                sb.append(",");
041            }
042        }
043        sb.append("}");
044        return sb.toString();
045    }
046
047    public ArrayElementValue(final int type, final ElementValue[] datums, final ConstantPool cpool)
048    {
049        super(type, cpool);
050        if (type != ARRAY) {
051            throw new RuntimeException(
052                    "Only element values of type array can be built with this ctor - type specified: " + type);
053        }
054        this.evalues = datums;
055    }
056
057    @Override
058    public void dump(final DataOutputStream dos) throws IOException
059    {
060        dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
061        dos.writeShort(evalues.length);
062        for (final ElementValue evalue : evalues) {
063            evalue.dump(dos);
064        }
065    }
066
067    @Override
068    public String stringifyValue()
069    {
070        final StringBuilder sb = new StringBuilder();
071        sb.append("[");
072        for (int i = 0; i < evalues.length; i++)
073        {
074            sb.append(evalues[i].stringifyValue());
075            if ((i + 1) < evalues.length) {
076                sb.append(",");
077            }
078        }
079        sb.append("]");
080        return sb.toString();
081    }
082
083    public ElementValue[] getElementValuesArray()
084    {
085        return evalues;
086    }
087
088    public int getElementValuesArraySize()
089    {
090        return evalues.length;
091    }
092}