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Java > Open Source Codes > org > apache > commons > betwixt > io > read > ChainedBeanCreator


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.betwixt.io.read;
17
18 /**
19   * Creator of beans that may delegate responsibility to members down the chain.
20   *
21   * @author Robert Burrell Donkin
22   * @since 0.5
23   */
24 public interface ChainedBeanCreator {
25     
26     /**
27       * Creates a bean either directly or by delegating the responsibility to the other
28       * members of the chain.
29       *
30       * @param elementMapping specifies the mapping between the type and element.
31       * <strong>Note</strong> it is recommended that classes do not store a permenant
32       * reference to this object since these objects may later be reused.
33       * Not null
34       * @param context the context in which this converision happens, not null
35       * @param chain not null
36       * @return the Object created, possibly null
37       */
38     
39     // TODO: is element mapping really necessary here?
40 // TODO: what about exception handling?
41 public Object JavaDoc create(
42                             ElementMapping elementMapping,
43                             ReadContext context,
44                             BeanCreationChain chain);
45     
46 }
47
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