neutron-spi/src/test/java/org/opendaylight/neutron/spi/JaxbTestHelper.java

   1 /*
   2  * Copyright (C) 2015 IBM, Inc.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.neutron.spi;
  10
  11 import java.io.StringReader;
  12
  13 import java.util.HashMap;
  14 import java.util.Map;
  15
  16 import javax.xml.bind.JAXBContext;
  17 import javax.xml.bind.JAXBException;
  18 import javax.xml.bind.Unmarshaller;
  19
  20 import javax.xml.transform.stream.StreamSource;
  21
  22 import org.eclipse.persistence.jaxb.JAXBContextProperties;
  23 import org.eclipse.persistence.jaxb.UnmarshallerProperties;
  24
  25 public class JaxbTestHelper {
  26
  27     @SuppressWarnings({ "rawtypes", "unchecked" })
  28     public static Object jaxbUnmarshall(Object schemaObject, String json) throws JAXBException {
  29         Class c = schemaObject.getClass();
  30         Class[] types = new Class[1];
  31         types[0] = c;
  32         Map<String, String> namespacePrefixMapper = new HashMap<String, String>(3);
  33         namespacePrefixMapper.put("router", "router");
  34         namespacePrefixMapper.put("provider", "provider");
  35         namespacePrefixMapper.put("binding", "binding");
  36         Map<String, Object> jaxbProperties = new HashMap<String, Object>(2);
  37         jaxbProperties.put(JAXBContextProperties.MEDIA_TYPE, "application/json");
  38         jaxbProperties.put(JAXBContextProperties.JSON_INCLUDE_ROOT, false);
  39         jaxbProperties.put(JAXBContextProperties.JSON_NAMESPACE_SEPARATOR, ':');
  40         jaxbProperties.put(JAXBContextProperties.NAMESPACE_PREFIX_MAPPER, namespacePrefixMapper);
  41         JAXBContext jc = JAXBContext.newInstance(types, jaxbProperties);
  42
  43         Unmarshaller unmarshaller = jc.createUnmarshaller();
  44         unmarshaller.setProperty(UnmarshallerProperties.JSON_NAMESPACE_PREFIX_MAPPER, namespacePrefixMapper);
  45
  46         StringReader reader = new StringReader(json);
  47         StreamSource stream = new StreamSource(reader);
  48         return unmarshaller.unmarshal(stream, c).getValue();
  49     }
  50 }