    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.generic;
    018
    019import java.io.DataOutputStream;
    020import java.io.IOException;
    021
    022import org.apache.bcel.classfile.AnnotationElementValue;
    023import org.apache.bcel.classfile.ElementValue;
    024
    025/**
    026 * @since 6.0
    027 */
    028public class AnnotationElementValueGen extends ElementValueGen {
    029    // For annotation element values, this is the annotation
    030    private final AnnotationEntryGen a;
    031
    032    public AnnotationElementValueGen(final AnnotationElementValue value, final ConstantPoolGen cpool, final boolean copyPoolEntries) {
    033        super(ANNOTATION, cpool);
    034        a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
    035    }
    036
    037    public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool) {
    038        super(ANNOTATION, cpool);
    039        this.a = a;
    040    }
    041
    042    public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation, final ConstantPoolGen cpool) {
    043        super(type, cpool);
    044        if (type != ANNOTATION) {
    045            throw new IllegalArgumentException("Only element values of type annotation can be built with this ctor - type specified: " + type);
    046        }
    047        this.a = annotation;
    048    }
    049
    050    @Override
    051    public void dump(final DataOutputStream dos) throws IOException {
    052        dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
    053        a.dump(dos);
    054    }
    055
    056    public AnnotationEntryGen getAnnotation() {
    057        return a;
    058    }
    059
    060    /**
    061     * Return immutable variant of this AnnotationElementValueGen
    062     */
    063    @Override
    064    public ElementValue getElementValue() {
    065        return new AnnotationElementValue(super.getElementValueType(), a.getAnnotation(), getConstantPool().getConstantPool());
    066    }
    067
    068    @Override
    069    public String stringifyValue() {
    070        throw new UnsupportedOperationException("Not implemented yet");
    071    }
    072}