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