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