    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}