    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 : ElementValue.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}