    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}