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Java > Open Source Codes > org > springframework > beans > factory > parsing > PassThroughSourceExtractor


1 /*
2  * Copyright 2002-2006 the original author or authors.
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
17 package org.springframework.beans.factory.parsing;
18
19 import org.springframework.core.io.Resource;
20
21 /**
22  * Simple {@link SourceExtractor} implementation that just passes
23  * the candidate source metadata object through for attachment.
24  *
25  * <p>Using this implementation means that tools will get raw access to the
26  * underlying configuration source metadata provided by the tool.
27  *
28  * <p>This implementation <strong>should not</strong> be used in a production
29  * application since it is likely to keep too much metadata in memory
30  * (unnecessarily).
31  *
32  * @author Rob Harrop
33  * @since 2.0
34  */
35 public class PassThroughSourceExtractor implements SourceExtractor {
36
37     /**
38      * Simply returns the supplied <code>sourceCandidate</code> as-is.
39      * @param sourceCandidate the source metadata
40      * @return the supplied <code>sourceCandidate</code>
41      */
42     public Object JavaDoc extractSource(Object JavaDoc sourceCandidate, Resource definingResource) {
43         return sourceCandidate;
44     }
45
46 }
47
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