    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}