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 */
017package org.apache.bcel.classfile;
018
019import java.io.DataOutputStream;
020import java.io.IOException;
021
022/**
023 * @since 6.0
024 */
025public class ArrayElementValue extends ElementValue {
026    // For array types, this is the array
027    private final ElementValue[] elementValues;
028
029    public ArrayElementValue(final int type, final ElementValue[] elementValues, final ConstantPool cpool) {
030        super(type, cpool);
031        if (type != ARRAY) {
032            throw new ClassFormatException("Only element values of type array can be built with this ctor - type specified: " + type);
033        }
034        this.elementValues = elementValues != null ? elementValues : EMPTY_ARRAY;
035    }
036
037    @Override
038    public void dump(final DataOutputStream dos) throws IOException {
039        dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
040        dos.writeShort(elementValues.length);
041        for (final ElementValue evalue : elementValues) {
042            evalue.dump(dos);
043        }
044    }
045
046    public ElementValue[] getElementValuesArray() {
047        return elementValues;
048    }
049
050    public int getElementValuesArraySize() {
051        return elementValues.length;
052    }
053
054    @Override
055    public String stringifyValue() {
056        final StringBuilder sb = new StringBuilder();
057        sb.append("[");
058        for (int i = 0; i < elementValues.length; i++) {
059            sb.append(elementValues[i].stringifyValue());
060            if (i + 1 < elementValues.length) {
061                sb.append(",");
062            }
063        }
064        sb.append("]");
065        return sb.toString();
066    }
067
068    @Override
069    public String toString() {
070        final StringBuilder sb = new StringBuilder();
071        sb.append("{");
072        for (int i = 0; i < elementValues.length; i++) {
073            sb.append(elementValues[i]);
074            if (i + 1 < elementValues.length) {
075                sb.append(",");
076            }
077        }
078        sb.append("}");
079        return sb.toString();
080    }
081}