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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.classfile;
18  
19  import java.io.DataInput;
20  import java.io.IOException;
21  
22  import org.apache.bcel.Const;
23  
24  /**
25   * This class represents a constant pool reference to an interface method.
26   */
27  public final class ConstantInterfaceMethodref extends ConstantCP {
28  
29      /**
30       * Initialize from another object.
31       *
32       * @param c Source to copy.
33       */
34      public ConstantInterfaceMethodref(final ConstantInterfaceMethodref c) {
35          super(Const.CONSTANT_InterfaceMethodref, c.getClassIndex(), c.getNameAndTypeIndex());
36      }
37  
38      /**
39       * Initialize instance from input data.
40       *
41       * @param input input stream
42       * @throws IOException if an I/O error occurs.
43       */
44      ConstantInterfaceMethodref(final DataInput input) throws IOException {
45          super(Const.CONSTANT_InterfaceMethodref, input);
46      }
47  
48      /**
49       * @param classIndex Reference to the class containing the method
50       * @param nameAndTypeIndex and the method signature
51       */
52      public ConstantInterfaceMethodref(final int classIndex, final int nameAndTypeIndex) {
53          super(Const.CONSTANT_InterfaceMethodref, classIndex, nameAndTypeIndex);
54      }
55  
56      /**
57       * Called by objects that are traversing the nodes of the tree implicitly defined by the contents of a Java class.
58       * I.e., the hierarchy of methods, fields, attributes, etc. spawns a tree of objects.
59       *
60       * @param v Visitor object
61       */
62      @Override
63      public void accept(final Visitor v) {
64          v.visitConstantInterfaceMethodref(this);
65      }
66  }