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