001// Copyright 2004, 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.hivemind.methodmatch;
016
017import org.apache.hivemind.service.ClassFabUtils;
018import org.apache.hivemind.service.MethodSignature;
019
020/**
021 * Matches a parameter at a particular index.
022 *
023 * @author Howard Lewis Ship
024 */
025public class ParameterFilter extends MethodFilter
026{
027    private int _parameterIndex;
028    private String _parameterType;
029
030
031    public ParameterFilter(int index, String type)
032    {
033        _parameterIndex = index;
034        _parameterType = type;
035    }
036
037    public boolean matchMethod(MethodSignature sig)
038    {
039        Class actualType = sig.getParameterTypes()[_parameterIndex];
040        String actualTypeName = ClassFabUtils.getJavaClassName(actualType);
041
042        return actualTypeName.equals(_parameterType);
043    }
044
045}