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.tapestry.services; 016 017/** 018 * Starting with 4.0, copmonents do not always have a zero-args constructor; the enhanced subclass 019 * may take some parameters used to initialize instance variables. This interface represents a 020 * wrapper around a constructor and an array of parameters that can be used to stamp out new 021 * instances of a component. 022 * 023 * @author Howard M. Lewis Ship 024 * @since 4.0 025 */ 026public interface ComponentConstructor 027{ 028 /** 029 * Requests that a new instance of the component. 030 */ 031 032 public Object newInstance(); 033 034 /** 035 * Returns the class actually instantiated (which may be an enhanced subclass). 036 */ 037 public Class getComponentClass(); 038}