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Java > Open Source Codes > org > apache > servicemix > jbi > jaxp > ResourceSource


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * 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 org.springframework.core.io.Resource;
20
21 import javax.xml.transform.stream.StreamSource JavaDoc;
22
23 import java.io.IOException JavaDoc;
24 import java.io.InputStream JavaDoc;
25 import java.io.InputStreamReader JavaDoc;
26 import java.io.Reader JavaDoc;
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: 426415 $
33  */
34 public class ResourceSource extends StreamSource JavaDoc {
35
36     private final Resource resource;
37
38     public ResourceSource(Resource resource) {
39         this.resource = resource;
40     }
41
42     public InputStream JavaDoc getInputStream() {
43         try {
44             return resource.getInputStream();
45         }
46         catch (IOException JavaDoc e) {
47             throw new RuntimeException JavaDoc("Failed to open resource: " + resource + ". Reason: " + e, e);
48         }
49     }
50
51     public Reader JavaDoc getReader() {
52         return new InputStreamReader JavaDoc(getInputStream());
53     }
54
55     
56 }
57
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