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; 017 018 /** 019 * An object resposible for allocating new <b>instances</b> of a Clazz. 020 * 021 * @author <a href="mailto:dmitri@apache.org">Dmitri Plotnikov</a> 022 * @version $Id: ClazzInstanceFactory.java 155436 2005-02-26 13:17:48Z dirkv $ 023 */ 024 public interface ClazzInstanceFactory extends ClazzFeature { 025 026 /** 027 * Creates a new instance. 028 * @param parameters is the list of parameters. It can be null if the 029 * factory takes no parameters. 030 */ 031 Object newInstance(Object[] parameters); 032 033 /** 034 * Returns the name of the factory. May be null. 035 */ 036 String getName(); 037 038 /** 039 * Returns the factory parameter types. 040 */ 041 Clazz[] getParameterClazzes(); 042 043 /** 044 * Returns the signature of the factory in the format 045 * "factoryName(paramType1,...)", where "factoryName" may be empty. 046 */ 047 String getSignature(); 048 }