Merge "Flow Topology Exporter"
[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / rest / impl / XmlToCompositeNodeProvider.java
1 package org.opendaylight.controller.sal.rest.impl;
2
3 import java.io.IOException;
4 import java.io.InputStream;
5 import java.lang.annotation.Annotation;
6 import java.lang.reflect.Type;
7
8 import javax.ws.rs.Consumes;
9 import javax.ws.rs.WebApplicationException;
10 import javax.ws.rs.core.MediaType;
11 import javax.ws.rs.core.MultivaluedMap;
12 import javax.ws.rs.core.Response;
13 import javax.ws.rs.ext.MessageBodyReader;
14 import javax.ws.rs.ext.Provider;
15 import javax.xml.stream.XMLStreamException;
16
17 import org.opendaylight.controller.sal.rest.api.Draft01;
18 import org.opendaylight.controller.sal.rest.api.Draft02;
19 import org.opendaylight.controller.sal.rest.api.RestconfService;
20 import org.opendaylight.controller.sal.restconf.impl.ResponseException;
21 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
22
23 @Provider
24 @Consumes({ Draft01.MediaTypes.DATA + RestconfService.XML, Draft02.MediaTypes.DATA + RestconfService.XML,
25         MediaType.APPLICATION_XML, MediaType.TEXT_XML })
26 public enum XmlToCompositeNodeProvider implements MessageBodyReader<CompositeNode> {
27     INSTANCE;
28
29     @Override
30     public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
31         return true;
32     }
33
34     @Override
35     public CompositeNode readFrom(Class<CompositeNode> type, Type genericType, Annotation[] annotations,
36             MediaType mediaType, MultivaluedMap<String, String> httpHeaders, InputStream entityStream)
37             throws IOException, WebApplicationException {
38         XmlReader xmlReader = new XmlReader();
39         try {
40             return xmlReader.read(entityStream);
41         } catch (XMLStreamException | UnsupportedFormatException e) {
42             throw new ResponseException(Response.Status.BAD_REQUEST, e.getMessage());
43         }
44     }
45
46 }