001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.classfile; 019 020import java.io.DataInput; 021import java.io.IOException; 022 023import org.apache.bcel.Const; 024 025/** 026 * This class represents a constant pool reference to a method. 027 * 028 */ 029public final class ConstantMethodref extends ConstantCP { 030 031 /** 032 * Initialize from another object. 033 */ 034 public ConstantMethodref(final ConstantMethodref c) { 035 super(Const.CONSTANT_Methodref, c.getClassIndex(), c.getNameAndTypeIndex()); 036 } 037 038 039 /** 040 * Initialize instance from input data. 041 * 042 * @param input input stream 043 * @throws IOException 044 */ 045 ConstantMethodref(final DataInput input) throws IOException { 046 super(Const.CONSTANT_Methodref, input); 047 } 048 049 050 /** 051 * @param class_index Reference to the class containing the method 052 * @param name_and_type_index and the method signature 053 */ 054 public ConstantMethodref(final int class_index, final int name_and_type_index) { 055 super(Const.CONSTANT_Methodref, class_index, name_and_type_index); 056 } 057 058 059 /** 060 * Called by objects that are traversing the nodes of the tree implicitely 061 * defined by the contents of a Java class. I.e., the hierarchy of methods, 062 * fields, attributes, etc. spawns a tree of objects. 063 * 064 * @param v Visitor object 065 */ 066 @Override 067 public void accept( final Visitor v ) { 068 v.visitConstantMethodref(this); 069 } 070}