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.generic;
019
020import java.io.DataOutputStream;
021import java.io.IOException;
022
023import org.apache.bcel.classfile.AnnotationElementValue;
024import org.apache.bcel.classfile.ElementValue;
025
026/**
027 * @since 6.0
028 */
029public class AnnotationElementValueGen extends ElementValueGen
030{
031    // For annotation element values, this is the annotation
032    private final AnnotationEntryGen a;
033
034    public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool)
035    {
036        super(ANNOTATION, cpool);
037        this.a = a;
038    }
039
040    public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation,
041            final ConstantPoolGen cpool)
042    {
043        super(type, cpool);
044        if (type != ANNOTATION) {
045            throw new RuntimeException(
046                    "Only element values of type annotation can be built with this ctor - type specified: " + type);
047        }
048        this.a = annotation;
049    }
050
051    public AnnotationElementValueGen(final AnnotationElementValue value,
052            final ConstantPoolGen cpool, final boolean copyPoolEntries)
053    {
054        super(ANNOTATION, cpool);
055        a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
056    }
057
058    @Override
059    public void dump(final DataOutputStream dos) throws IOException
060    {
061        dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
062        a.dump(dos);
063    }
064
065    @Override
066    public String stringifyValue()
067    {
068        throw new RuntimeException("Not implemented yet");
069    }
070
071    /**
072     * Return immutable variant of this AnnotationElementValueGen
073     */
074    @Override
075    public ElementValue getElementValue()
076    {
077        return new AnnotationElementValue(super.getElementValueType(),
078                a.getAnnotation(),
079                getConstantPool().getConstantPool());
080    }
081
082    public AnnotationEntryGen getAnnotation()
083    {
084        return a;
085    }
086}