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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.classfile;
19  
20  import java.io.DataInput;
21  import java.io.IOException;
22  
23  import org.apache.bcel.Const;
24  
25  /** 
26   * This class represents a constant pool reference to a method.
27   *
28   * @version $Id: ConstantMethodref.html 990178 2016-06-08 08:17:52Z britter $
29   */
30  public final class ConstantMethodref extends ConstantCP {
31  
32      /**
33       * Initialize from another object.
34       */
35      public ConstantMethodref(final ConstantMethodref c) {
36          super(Const.CONSTANT_Methodref, c.getClassIndex(), c.getNameAndTypeIndex());
37      }
38  
39  
40      /**
41       * Initialize instance from input data.
42       *
43       * @param input input stream
44       * @throws IOException
45       */
46      ConstantMethodref(final DataInput input) throws IOException {
47          super(Const.CONSTANT_Methodref, input);
48      }
49  
50  
51      /**
52       * @param class_index Reference to the class containing the method
53       * @param name_and_type_index and the method signature
54       */
55      public ConstantMethodref(final int class_index, final int name_and_type_index) {
56          super(Const.CONSTANT_Methodref, class_index, name_and_type_index);
57      }
58  
59  
60      /**
61       * Called by objects that are traversing the nodes of the tree implicitely
62       * defined by the contents of a Java class. I.e., the hierarchy of methods,
63       * fields, attributes, etc. spawns a tree of objects.
64       *
65       * @param v Visitor object
66       */
67      @Override
68      public void accept( final Visitor v ) {
69          v.visitConstantMethodref(this);
70      }
71  }