001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   https://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.bcel.classfile;
020
021import java.io.DataOutputStream;
022import java.io.IOException;
023
024/**
025 * @since 6.0
026 */
027public class ArrayElementValue extends ElementValue {
028    // For array types, this is the array
029    private final ElementValue[] elementValues;
030
031    public ArrayElementValue(final int type, final ElementValue[] elementValues, final ConstantPool cpool) {
032        super(type, cpool);
033        if (type != ARRAY) {
034            throw new ClassFormatException("Only element values of type array can be built with this ctor - type specified: " + type);
035        }
036        this.elementValues = elementValues != null ? elementValues : EMPTY_ARRAY;
037    }
038
039    @Override
040    public void dump(final DataOutputStream dos) throws IOException {
041        dos.writeByte(super.getType()); // u1 type of value (ARRAY == '[')
042        dos.writeShort(elementValues.length);
043        for (final ElementValue evalue : elementValues) {
044            evalue.dump(dos);
045        }
046    }
047
048    public ElementValue[] getElementValuesArray() {
049        return elementValues;
050    }
051
052    public int getElementValuesArraySize() {
053        return elementValues.length;
054    }
055
056    @Override
057    public String stringifyValue() {
058        final StringBuilder sb = new StringBuilder();
059        sb.append("[");
060        for (int i = 0; i < elementValues.length; i++) {
061            sb.append(elementValues[i].stringifyValue());
062            if (i + 1 < elementValues.length) {
063                sb.append(",");
064            }
065        }
066        sb.append("]");
067        return sb.toString();
068    }
069
070    @Override
071    public String toString() {
072        final StringBuilder sb = new StringBuilder();
073        sb.append("{");
074        for (int i = 0; i < elementValues.length; i++) {
075            sb.append(elementValues[i]);
076            if (i + 1 < elementValues.length) {
077                sb.append(",");
078            }
079        }
080        sb.append("}");
081        return sb.toString();
082    }
083}