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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   */
18  package org.apache.bcel.generic;
19  
20  import java.io.DataOutputStream;
21  import java.io.IOException;
22  
23  import org.apache.bcel.classfile.AnnotationElementValue;
24  import org.apache.bcel.classfile.ElementValue;
25  
26  /**
27   * @since 6.0
28   */
29  public class AnnotationElementValueGen extends ElementValueGen
30  {
31      // For annotation element values, this is the annotation
32      private final AnnotationEntryGen a;
33  
34      public AnnotationElementValueGen(final AnnotationEntryGen a, final ConstantPoolGen cpool)
35      {
36          super(ANNOTATION, cpool);
37          this.a = a;
38      }
39  
40      public AnnotationElementValueGen(final int type, final AnnotationEntryGen annotation,
41              final ConstantPoolGen cpool)
42      {
43          super(type, cpool);
44          if (type != ANNOTATION) {
45              throw new RuntimeException(
46                      "Only element values of type annotation can be built with this ctor - type specified: " + type);
47          }
48          this.a = annotation;
49      }
50  
51      public AnnotationElementValueGen(final AnnotationElementValue value,
52              final ConstantPoolGen cpool, final boolean copyPoolEntries)
53      {
54          super(ANNOTATION, cpool);
55          a = new AnnotationEntryGen(value.getAnnotationEntry(), cpool, copyPoolEntries);
56      }
57  
58      @Override
59      public void dump(final DataOutputStream dos) throws IOException
60      {
61          dos.writeByte(super.getElementValueType()); // u1 type of value (ANNOTATION == '@')
62          a.dump(dos);
63      }
64  
65      @Override
66      public String stringifyValue()
67      {
68          throw new RuntimeException("Not implemented yet");
69      }
70  
71      /**
72       * Return immutable variant of this AnnotationElementValueGen
73       */
74      @Override
75      public ElementValue getElementValue()
76      {
77          return new AnnotationElementValue(super.getElementValueType(),
78                  a.getAnnotation(),
79                  getConstantPool().getConstantPool());
80      }
81  
82      public AnnotationEntryGen getAnnotation()
83      {
84          return a;
85      }
86  }