001 /* 002 * Copyright 2002-2004 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 package org.apache.commons.clazz.reflect.common; 017 018 import java.lang.reflect.Method; 019 020 import org.apache.commons.clazz.Clazz; 021 import org.apache.commons.clazz.ClazzAccessException; 022 import org.apache.commons.clazz.ClazzInstanceFactory; 023 024 /** 025 * A wrapper for a static java method that returns an instance of the Clazz. 026 * 027 * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a> 028 * @version $Id: ReflectedMethodInstanceFactory.java 155436 2005-02-26 13:17:48Z dirkv $ 029 */ 030 public class ReflectedMethodInstanceFactory 031 extends ReflectedMethodFeatureSupport 032 implements ClazzInstanceFactory 033 { 034 /** 035 * Constructor for ReflectedClazzProperty. 036 */ 037 public ReflectedMethodInstanceFactory( 038 Clazz declaringClazz, 039 Method method) 040 { 041 super(declaringClazz, method); 042 } 043 044 public Object newInstance(Object[] parameters) { 045 try { 046 return getMethod().invoke(null, parameters); 047 } 048 catch (Throwable e) { 049 throw new ClazzAccessException( 050 "Cannot invoke static method " + getSignature(), 051 e); 052 } 053 } 054 }