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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   https://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.bcel.classfile;
20  
21  import java.io.DataInput;
22  import java.io.IOException;
23  
24  import org.apache.bcel.Const;
25  
26  /**
27   * This class represents a constant pool reference to a method.
28   */
29  public final class ConstantMethodref extends ConstantCP {
30  
31      /**
32       * Initialize from another object.
33       *
34       * @param c Source to copy.
35       */
36      public ConstantMethodref(final ConstantMethodref c) {
37          super(Const.CONSTANT_Methodref, c.getClassIndex(), c.getNameAndTypeIndex());
38      }
39  
40      /**
41       * Initialize instance from input data.
42       *
43       * @param input input stream
44       * @throws IOException if an I/O error occurs.
45       */
46      ConstantMethodref(final DataInput input) throws IOException {
47          super(Const.CONSTANT_Methodref, input);
48      }
49  
50      /**
51       * @param classIndex Reference to the class containing the method
52       * @param nameAndTypeIndex and the method signature
53       */
54      public ConstantMethodref(final int classIndex, final int nameAndTypeIndex) {
55          super(Const.CONSTANT_Methodref, classIndex, nameAndTypeIndex);
56      }
57  
58      /**
59       * Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class.
60       * I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.
61       *
62       * @param v Visitor object
63       */
64      @Override
65      public void accept(final Visitor v) {
66          v.visitConstantMethodref(this);
67      }
68  }