Cleanup: Remove passing around of DataPersistenceProvider
[controller.git] / opendaylight / md-sal / sal-rest-connector / src / main / java / org / opendaylight / controller / sal / rest / impl / NormalizedNodeXmlBodyWriter.java
index c8c702295d845059aa1498cb68e1d66f5ee4427f..f6b7027b34a9994d43c2d731a40a11bcf7551bb6 100644 (file)
@@ -8,7 +8,6 @@
 package org.opendaylight.controller.sal.rest.impl;
 
 import com.google.common.base.Throwables;
-import com.google.common.collect.Iterables;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.lang.annotation.Annotation;
@@ -19,6 +18,7 @@ import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedMap;
 import javax.ws.rs.ext.MessageBodyWriter;
 import javax.ws.rs.ext.Provider;
+import javax.xml.XMLConstants;
 import javax.xml.stream.FactoryConfigurationError;
 import javax.xml.stream.XMLOutputFactory;
 import javax.xml.stream.XMLStreamException;
@@ -28,18 +28,16 @@ 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.yangtools.yang.common.QName;
-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.impl.codec.xml.XMLStreamNormalizedNodeStreamWriter;
 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
+import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.opendaylight.yangtools.yang.model.util.SchemaContextUtil;
 
 @Provider
 @Produces({ Draft02.MediaTypes.API + RestconfService.XML, Draft02.MediaTypes.DATA + RestconfService.XML,
@@ -70,7 +68,7 @@ public class NormalizedNodeXmlBodyWriter implements MessageBodyWriter<Normalized
             final Annotation[] annotations, final MediaType mediaType,
             final MultivaluedMap<String, Object> httpHeaders, final OutputStream entityStream) throws IOException,
             WebApplicationException {
-        final InstanceIdentifierContext pathContext = t.getInstanceIdentifierContext();
+        final InstanceIdentifierContext<?> pathContext = t.getInstanceIdentifierContext();
         if (t.getData() == null) {
             return;
         }
@@ -86,45 +84,45 @@ public class NormalizedNodeXmlBodyWriter implements MessageBodyWriter<Normalized
         NormalizedNode<?, ?> data = t.getData();
         SchemaPath schemaPath = pathContext.getSchemaNode().getPath();
 
-        // The utility method requires the path to be size of 2
-        boolean isRpc = false;
-        if(Iterables.size(schemaPath.getPathFromRoot()) > 1) {
-            isRpc = SchemaContextUtil.getRpcDataSchema(t.getInstanceIdentifierContext().getSchemaContext(), schemaPath) != null;
-        }
 
-        boolean isDataRoot = false;
-        if (SchemaPath.ROOT.equals(schemaPath)) {
-            isDataRoot = true;
-        // The rpc definitions required the schema path to point to the output container, not the parent (rpc itself)
-        } else {
-            if(!isRpc) {
-                schemaPath = schemaPath.getParent();
-            }
-        }
 
-        final NormalizedNodeStreamWriter jsonWriter = XMLStreamNormalizedNodeStreamWriter.create(xmlWriter,
-                pathContext.getSchemaContext(), schemaPath);
-        final NormalizedNodeWriter nnWriter = NormalizedNodeWriter.forStreamWriter(jsonWriter);
-        if (isDataRoot) {
-            writeRootElement(xmlWriter, nnWriter, (ContainerNode) data, SchemaContext.NAME);
-        } else if(isRpc) {
-            writeRootElement(xmlWriter, nnWriter, (ContainerNode) data, schemaPath.getLastComponent());
+        writeNormalizedNode(xmlWriter,schemaPath,pathContext,data);
+    }
+
+    private void writeNormalizedNode(XMLStreamWriter xmlWriter, SchemaPath schemaPath,InstanceIdentifierContext<?> pathContext, NormalizedNode<?, ?> data) throws IOException {
+        final NormalizedNodeWriter nnWriter;
+        final SchemaContext schemaCtx = pathContext.getSchemaContext();
+        if (SchemaPath.ROOT.equals(schemaPath)) {
+            nnWriter = createNormalizedNodeWriter(xmlWriter, schemaCtx, schemaPath);
+            writeElements(xmlWriter, nnWriter, (ContainerNode) data);
+        }  else if (pathContext.getSchemaNode() instanceof RpcDefinition) {
+            nnWriter = createNormalizedNodeWriter(xmlWriter, schemaCtx, ((RpcDefinition) pathContext.getSchemaNode()).getOutput().getPath());
+            writeElements(xmlWriter, nnWriter, (ContainerNode) data);
         } else {
+            nnWriter = createNormalizedNodeWriter(xmlWriter, schemaCtx, schemaPath.getParent());
             if (data instanceof MapEntryNode) {
                 // Restconf allows returning one list item. We need to wrap it
                 // in map node in order to serialize it properly
                 data = ImmutableNodes.mapNodeBuilder(data.getNodeType()).addChild((MapEntryNode) data).build();
             }
             nnWriter.write(data);
-            nnWriter.flush();
         }
+        nnWriter.flush();
+    }
+
+    private NormalizedNodeWriter createNormalizedNodeWriter(XMLStreamWriter xmlWriter,
+            SchemaContext schemaContext, SchemaPath schemaPath) {
+        NormalizedNodeStreamWriter xmlStreamWriter = XMLStreamNormalizedNodeStreamWriter.create(xmlWriter, schemaContext, schemaPath);
+        return NormalizedNodeWriter.forStreamWriter(xmlStreamWriter);
     }
 
-    private void writeRootElement(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter, final ContainerNode data, final QName name)
+    private void writeElements(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter, final ContainerNode data)
             throws IOException {
         try {
-            xmlWriter.writeStartElement(name.getNamespace().toString(), name.getLocalName());
-            for (final DataContainerChild<? extends PathArgument, ?> child : data.getValue()) {
+            final QName name = data.getNodeType();
+            xmlWriter.writeStartElement(XMLConstants.DEFAULT_NS_PREFIX, name.getLocalName(), name.getNamespace().toString());
+            xmlWriter.writeDefaultNamespace(name.getNamespace().toString());
+            for(NormalizedNode<?,?> child : data.getValue()) {
                 nnWriter.write(child);
             }
             nnWriter.flush();