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    
015    package org.apache.hivemind.methodmatch;
016    
017    import org.apache.hivemind.service.ClassFabUtils;
018    import org.apache.hivemind.service.MethodSignature;
019    
020    /**
021     * Matches a parameter at a particular index.
022     *
023     * @author Howard Lewis Ship
024     */
025    public 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    }