    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 * @version $Id$
    029 */
    030public final class ConstantMethodref extends ConstantCP {
    031
    032    /**
    033     * Initialize from another object.
    034     */
    035    public ConstantMethodref(final ConstantMethodref c) {
    036        super(Const.CONSTANT_Methodref, c.getClassIndex(), c.getNameAndTypeIndex());
    037    }
    038
    039
    040    /**
    041     * Initialize instance from input data.
    042     *
    043     * @param input input stream
    044     * @throws IOException
    045     */
    046    ConstantMethodref(final DataInput input) throws IOException {
    047        super(Const.CONSTANT_Methodref, input);
    048    }
    049
    050
    051    /**
    052     * @param class_index Reference to the class containing the method
    053     * @param name_and_type_index and the method signature
    054     */
    055    public ConstantMethodref(final int class_index, final int name_and_type_index) {
    056        super(Const.CONSTANT_Methodref, class_index, name_and_type_index);
    057    }
    058
    059
    060    /**
    061     * Called by objects that are traversing the nodes of the tree implicitely
    062     * defined by the contents of a Java class. I.e., the hierarchy of methods,
    063     * fields, attributes, etc. spawns a tree of objects.
    064     *
    065     * @param v Visitor object
    066     */
    067    @Override
    068    public void accept( final Visitor v ) {
    069        v.visitConstantMethodref(this);
    070    }
    071}