ComponentConstructor


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.tapestry.services;
16  
17  /**
18   * Starting with 4.0, copmonents do not always have a zero-args constructor; the enhanced subclass
19   * may take some parameters used to initialize instance variables. This interface represents a
20   * wrapper around a constructor and an array of parameters that can be used to stamp out new
21   * instances of a component.
22   * 
23   * @author Howard M. Lewis Ship
24   * @since 4.0
25   */
26  public interface ComponentConstructor
27  {
28      /**
29       * Requests that a new instance of the component.
30       */
31  
32      public Object   newInstance();
33  
34      /**
35       * Returns the class actually instantiated (which may be an enhanced subclass).
36       */
37      public Class   getComponentClass();
38  }

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