01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.servicemix.jbi.jaxp;
18:
19: import java.io.IOException;
20: import java.io.InputStream;
21: import java.io.InputStreamReader;
22: import java.io.Reader;
23:
24: import javax.xml.transform.stream.StreamSource;
25:
26: import org.springframework.core.io.Resource;
27:
28: /**
29: * A JAXP {@link StreamSource} which uses a Spring {@link Resource} as the source of the input stream.
30: * This implementation is re-entrant and can be used as many times as required to parse XML.
31: *
32: * @version $Revision: 564607 $
33: */
34: public class ResourceSource extends StreamSource {
35:
36: private final Resource resource;
37:
38: public ResourceSource(Resource resource) {
39: this .resource = resource;
40: }
41:
42: public InputStream getInputStream() {
43: try {
44: return resource.getInputStream();
45: } catch (IOException e) {
46: throw new RuntimeException("Failed to open resource: "
47: + resource + ". Reason: " + e, e);
48: }
49: }
50:
51: public Reader getReader() {
52: return new InputStreamReader(getInputStream());
53: }
54:
55: }
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