Merge "Queue yang model"

[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / rest / impl / StructuredDataToJsonProvider.java

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/StructuredDataToJsonProvider.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/StructuredDataToJsonProvider.java
index b0e1e03c6c2715c0b99f271619d387f721d39884..90e6d2affc5cde925d4adc941b24d42005aad117 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/StructuredDataToJsonProvider.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/StructuredDataToJsonProvider.java
@@ -12,17 +12,19 @@ import javax.ws.rs.Produces;
 import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.core.Response;
 import javax.ws.rs.ext.MessageBodyWriter;
 import javax.ws.rs.ext.Provider;
 
 import org.opendaylight.controller.sal.rest.api.RestconfService;
 import org.opendaylight.controller.sal.restconf.impl.StructuredData;
+import org.opendaylight.yangtools.yang.data.api.CompositeNode;
 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
 
 import com.google.gson.stream.JsonWriter;
 
 @Provider
-@Produces({ API + RestconfService.JSON })
+@Produces({API+RestconfService.JSON})
 public enum StructuredDataToJsonProvider implements MessageBodyWriter<StructuredData> {
     INSTANCE;
     
@@ -40,11 +42,16 @@ public enum StructuredDataToJsonProvider implements MessageBodyWriter<Structured
     public void writeTo(StructuredData t, Class<?> type, Type genericType, Annotation[] annotations,
             MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
             throws IOException, WebApplicationException {
+        CompositeNode data = t.getData();
+        if (data == null) {
+            throw new WebApplicationException(Response.status(Response.Status.NOT_FOUND).build());
+        }
+
         JsonWriter writer = new JsonWriter(new OutputStreamWriter(entityStream, "UTF-8"));
         writer.setIndent("    ");
         JsonMapper jsonMapper = new JsonMapper();
-        jsonMapper.write(writer, t.getData(), (DataNodeContainer) t.getSchema());
+        jsonMapper.write(writer, data, (DataNodeContainer) t.getSchema());
         writer.flush();
     }
-    
+
 }