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    // For annotation element values, this is the annotation
031    private final AnnotationEntryGen a;
032
033    public AnnotationElementValueGen(final AnnotationElementValue value, final ConstantPoolGen cpool, final boolean copyPoolEntries) {
034        super(ANNOTATION, cpool);
035        a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
036    }
037
038    public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool) {
039        super(ANNOTATION, cpool);
040        this.a = a;
041    }
042
043    public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation, final ConstantPoolGen cpool) {
044        super(type, cpool);
045        if (type != ANNOTATION) {
046            throw new IllegalArgumentException("Only element values of type annotation can be built with this ctor - type specified: " + type);
047        }
048        this.a = annotation;
049    }
050
051    @Override
052    public void dump(final DataOutputStream dos) throws IOException {
053        dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
054        a.dump(dos);
055    }
056
057    public AnnotationEntryGen getAnnotation() {
058        return a;
059    }
060
061    /**
062     * Return immutable variant of this AnnotationElementValueGen
063     */
064    @Override
065    public ElementValue getElementValue() {
066        return new AnnotationElementValue(super.getElementValueType(), a.getAnnotation(), getConstantPool().getConstantPool());
067    }
068
069    @Override
070    public String stringifyValue() {
071        throw new UnsupportedOperationException("Not implemented yet");
072    }
073}