01: /*
02: * Copyright 2002-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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 extractSource(Object sourceCandidate,
43: Resource definingResource) {
44: return sourceCandidate;
45: }
46:
47: }
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