BUG-1704: do not emit separator

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

diff --git a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/NormalizedNodeJsonBodyWriter.java b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/NormalizedNodeJsonBodyWriter.java
index cebd3268ce49542342283e20784fa3b9c4dd9855..7a879f33779f1a41343d3cc48d39064c461f57b9 100644 (file)
--- a/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/NormalizedNodeJsonBodyWriter.java
+++ b/opendaylight/md-sal/sal-rest-connector/src/main/java/org/opendaylight/controller/sal/rest/impl/NormalizedNodeJsonBodyWriter.java
@@ -13,6 +13,8 @@ import java.io.OutputStream;
 import java.io.OutputStreamWriter;
 import java.lang.annotation.Annotation;
 import java.lang.reflect.Type;
+import java.net.URI;
+import java.util.Iterator;
 import javax.ws.rs.Produces;
 import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.MediaType;
@@ -25,9 +27,18 @@ import org.opendaylight.controller.sal.rest.api.RestconfService;
 import org.opendaylight.controller.sal.restconf.impl.InstanceIdentifierContext;
 import org.opendaylight.controller.sal.restconf.impl.NormalizedNodeContext;
 import org.opendaylight.controller.sal.restconf.impl.RestconfDocumentedException;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
 import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 
 @Provider
 @Produces({ Draft02.MediaTypes.API + RestconfService.JSON, Draft02.MediaTypes.DATA + RestconfService.JSON,
@@ -48,16 +59,49 @@ public class NormalizedNodeJsonBodyWriter implements MessageBodyWriter<Normalize
     public void writeTo(final NormalizedNodeContext t, final Class<?> type, final Type genericType, final Annotation[] annotations,
             final MediaType mediaType, final MultivaluedMap<String, Object> httpHeaders, final OutputStream entityStream)
                     throws IOException, WebApplicationException {
-        if (t.getData() == null) {
+        NormalizedNode<?, ?> data = t.getData();
+        InstanceIdentifierContext context = t.getInstanceIdentifierContext();
+        DataSchemaNode schema = context.getSchemaNode();
+        SchemaPath path = context.getSchemaNode().getPath();
+        OutputStreamWriter outputWriter = new OutputStreamWriter(entityStream, Charsets.UTF_8);
+        if (data == null) {
             throw new RestconfDocumentedException(Response.Status.NOT_FOUND);
         }
 
-        InstanceIdentifierContext pathContext = t.getInstanceIdentifierContext();
-        OutputStreamWriter ouWriter = new OutputStreamWriter(entityStream, Charsets.UTF_8);
-        NormalizedNodeStreamWriter jsonWriter = JSONNormalizedNodeStreamWriter.create(pathContext.getSchemaContext(),ouWriter);
+        boolean isDataRoot = false;
+        URI initialNs = null;
+        outputWriter.write('{');
+        if (SchemaPath.ROOT.equals(path)) {
+            isDataRoot = true;
+        } else {
+            path = path.getParent();
+            // FIXME: Add proper handling of reading root.
+        }
+        if(!schema.isAugmenting() && !(schema instanceof SchemaContext)) {
+            initialNs = schema.getQName().getNamespace();
+        }
+        NormalizedNodeStreamWriter jsonWriter = JSONNormalizedNodeStreamWriter.create(context.getSchemaContext(),path,initialNs,outputWriter);
         NormalizedNodeWriter nnWriter = NormalizedNodeWriter.forStreamWriter(jsonWriter);
-
-        nnWriter.write(t.getData());
+        if(isDataRoot) {
+            writeDataRoot(outputWriter,nnWriter,(ContainerNode) data);
+        } else {
+            if(data instanceof MapEntryNode) {
+                data = ImmutableNodes.mapNodeBuilder(data.getNodeType()).withChild(((MapEntryNode) data)).build();
+            }
+            nnWriter.write(data);
+        }
         nnWriter.flush();
+        outputWriter.write('}');
+        outputWriter.flush();
     }
+
+    private void writeDataRoot(OutputStreamWriter outputWriter, NormalizedNodeWriter nnWriter, ContainerNode data) throws IOException {
+        Iterator<DataContainerChild<? extends PathArgument, ?>> iterator = data.getValue().iterator();
+        while(iterator.hasNext()) {
+            DataContainerChild<? extends PathArgument, ?> child = iterator.next();
+            nnWriter.write(child);
+            nnWriter.flush();
+        }
+    }
+
 }