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 import java.util.HashMap;
  13 import java.util.Map;
  14 import javax.xml.bind.JAXBContext;
  15 import javax.xml.bind.JAXBException;
  16 import javax.xml.bind.Unmarshaller;
  17 import javax.xml.transform.stream.StreamSource;
  18 import org.eclipse.persistence.jaxb.JAXBContextProperties;
  19 import org.eclipse.persistence.jaxb.UnmarshallerProperties;
  20
  21 public class JaxbTestHelper {
  22
  23     @SuppressWarnings({ "rawtypes", "unchecked" })
  24     public static Object jaxbUnmarshall(Object schemaObject, String json) throws JAXBException {
  25         Class cls = schemaObject.getClass();
  26         Class[] types = new Class[1];
  27         types[0] = cls;
  28         Map<String, String> namespacePrefixMapper = new HashMap<String, String>(3);
  29         namespacePrefixMapper.put("router", "router");
  30         namespacePrefixMapper.put("provider", "provider");
  31         namespacePrefixMapper.put("binding", "binding");
  32         Map<String, Object> jaxbProperties = new HashMap<String, Object>(2);
  33         jaxbProperties.put(JAXBContextProperties.MEDIA_TYPE, "application/json");
  34         jaxbProperties.put(JAXBContextProperties.JSON_INCLUDE_ROOT, false);
  35         jaxbProperties.put(JAXBContextProperties.JSON_NAMESPACE_SEPARATOR, ':');
  36         jaxbProperties.put(JAXBContextProperties.NAMESPACE_PREFIX_MAPPER, namespacePrefixMapper);
  37         JAXBContext jc = JAXBContext.newInstance(types, jaxbProperties);
  38
  39         Unmarshaller unmarshaller = jc.createUnmarshaller();
  40         unmarshaller.setProperty(UnmarshallerProperties.JSON_NAMESPACE_PREFIX_MAPPER, namespacePrefixMapper);
  41
  42         StringReader reader = new StringReader(json);
  43         StreamSource stream = new StreamSource(reader);
  44         return unmarshaller.unmarshal(stream, cls).getValue();
  45     }
  46 }