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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.apache.bcel.generic;
18  
19  import java.io.DataOutputStream;
20  import java.io.IOException;
21  
22  import org.apache.bcel.classfile.AnnotationElementValue;
23  import org.apache.bcel.classfile.ElementValue;
24  
25  /**
26   * @since 6.0
27   */
28  public class AnnotationElementValueGen extends ElementValueGen {
29      // For annotation element values, this is the annotation
30      private final AnnotationEntryGen a;
31  
32      public AnnotationElementValueGen(final AnnotationElementValue value, final ConstantPoolGen cpool, final boolean copyPoolEntries) {
33          super(ANNOTATION, cpool);
34          a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
35      }
36  
37      public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool) {
38          super(ANNOTATION, cpool);
39          this.a = a;
40      }
41  
42      public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation, final ConstantPoolGen cpool) {
43          super(type, cpool);
44          if (type != ANNOTATION) {
45              throw new IllegalArgumentException("Only element values of type annotation can be built with this ctor - type specified: " + type);
46          }
47          this.a = annotation;
48      }
49  
50      @Override
51      public void dump(final DataOutputStream dos) throws IOException {
52          dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
53          a.dump(dos);
54      }
55  
56      public AnnotationEntryGen getAnnotation() {
57          return a;
58      }
59  
60      /**
61       * Return immutable variant of this AnnotationElementValueGen
62       */
63      @Override
64      public ElementValue getElementValue() {
65          return new AnnotationElementValue(super.getElementValueType(), a.getAnnotation(), getConstantPool().getConstantPool());
66      }
67  
68      @Override
69      public String stringifyValue() {
70          throw new UnsupportedOperationException("Not implemented yet");
71      }
72  }