Reduce the use of AttrBuilders

[netconf.git] / restconf / restconf-nb-bierman02 / src / main / java / org / opendaylight / netconf / sal / rest / impl / RestconfDocumentedExceptionMapper.java

diff --git a/restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/netconf/sal/rest/impl/RestconfDocumentedExceptionMapper.java b/restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/netconf/sal/rest/impl/RestconfDocumentedExceptionMapper.java
index b4b2890954284b42da9d46bbeda7192f9cbaeabb..5561949f5e110ddd611ba4c90f06db29959411b2 100644 (file)
--- a/restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/netconf/sal/rest/impl/RestconfDocumentedExceptionMapper.java
+++ b/restconf/restconf-nb-bierman02/src/main/java/org/opendaylight/netconf/sal/rest/impl/RestconfDocumentedExceptionMapper.java
@@ -5,11 +5,9 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
-
 package org.opendaylight.netconf.sal.rest.impl;
 
 import com.google.common.base.Preconditions;
-import com.google.common.base.Throwables;
 import com.google.common.collect.Iterables;
 import com.google.gson.stream.JsonWriter;
 import java.io.ByteArrayOutputStream;
@@ -18,7 +16,7 @@ import java.io.OutputStreamWriter;
 import java.io.UnsupportedEncodingException;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
-import java.util.Iterator;
+import java.util.ArrayList;
 import java.util.List;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.HttpHeaders;
@@ -49,14 +47,14 @@ import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.stream.ForwardingNormalizedNodeStreamWriter;
 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.JSONCodecFactory;
+import org.opendaylight.yangtools.yang.data.codec.gson.JSONCodecFactorySupplier;
 import org.opendaylight.yangtools.yang.data.codec.gson.JSONNormalizedNodeStreamWriter;
 import org.opendaylight.yangtools.yang.data.codec.gson.JsonWriterFactory;
 import org.opendaylight.yangtools.yang.data.codec.xml.XMLStreamNormalizedNodeStreamWriter;
 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.CollectionNodeBuilder;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
+import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
@@ -90,7 +88,7 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
 
     private final ControllerContext controllerContext;
 
-    public RestconfDocumentedExceptionMapper(ControllerContext controllerContext) {
+    public RestconfDocumentedExceptionMapper(final ControllerContext controllerContext) {
         this.controllerContext = Preconditions.checkNotNull(controllerContext);
     }
 
@@ -99,8 +97,14 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
 
         LOG.debug("In toResponse: {}", exception.getMessage());
 
-        final MediaType mediaType = headers.getAcceptableMediaTypes().stream()
-                .filter(type -> type != MediaType.WILDCARD_TYPE).findFirst().orElse(MediaType.APPLICATION_JSON_TYPE);
+        final List<MediaType> mediaTypeList = new ArrayList<>();
+        if (headers.getMediaType() != null) {
+            mediaTypeList.add(headers.getMediaType());
+        }
+
+        mediaTypeList.addAll(headers.getAcceptableMediaTypes());
+        final MediaType mediaType = mediaTypeList.stream().filter(type -> !type.equals(MediaType.WILDCARD_TYPE))
+                .findFirst().orElse(MediaType.APPLICATION_JSON_TYPE);
 
         LOG.debug("Using MediaType: {}", mediaType);
 
@@ -124,7 +128,7 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
 
         Preconditions.checkState(errorsSchemaNode instanceof ContainerSchemaNode,
                 "Found Errors SchemaNode isn't ContainerNode");
-        final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> errContBuild =
+        final DataContainerNodeBuilder<NodeIdentifier, ContainerNode> errContBuild =
                 Builders.containerBuilder((ContainerSchemaNode) errorsSchemaNode);
 
         final List<DataSchemaNode> schemaList = ControllerContext.findInstanceDataChildrenByName(errorsSchemaNode,
@@ -158,7 +162,7 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
         Preconditions.checkArgument(errListSchemaNode instanceof ListSchemaNode,
                 "errListSchemaNode has to be of type ListSchemaNode");
         final ListSchemaNode listStreamSchemaNode = (ListSchemaNode) errListSchemaNode;
-        final DataContainerNodeAttrBuilder<NodeIdentifierWithPredicates, MapEntryNode> errNodeValues = Builders
+        final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> errNodeValues = Builders
                 .mapEntryBuilder(listStreamSchemaNode);
 
         List<DataSchemaNode> lsChildDataSchemaNode = ControllerContext.findInstanceDataChildrenByName(
@@ -231,7 +235,8 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
 
         final JsonWriter jsonWriter = JsonWriterFactory.createJsonWriter(outputWriter);
         final NormalizedNodeStreamWriter jsonStreamWriter = JSONNormalizedNodeStreamWriter.createExclusiveWriter(
-                JSONCodecFactory.getShared(context.getSchemaContext()), path, initialNs, jsonWriter);
+            JSONCodecFactorySupplier.DRAFT_LHOTKA_NETMOD_YANG_JSON_02.getShared(context.getSchemaContext()), path,
+            initialNs, jsonWriter);
 
         // We create a delegating writer to special-case error-info as error-info is defined as an empty
         // container in the restconf yang schema but we create a leaf node so we can output it. The delegate
@@ -287,9 +292,7 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
         final XMLStreamWriter xmlWriter;
         try {
             xmlWriter = XML_FACTORY.createXMLStreamWriter(outStream, StandardCharsets.UTF_8.name());
-        } catch (final XMLStreamException e) {
-            throw new IllegalStateException(e);
-        } catch (final FactoryConfigurationError e) {
+        } catch (final XMLStreamException | FactoryConfigurationError e) {
             throw new IllegalStateException(e);
         }
         NormalizedNode<?, ?> data = errorsNode.getData();
@@ -360,10 +363,9 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
     }
 
     private static void writeRootElement(final XMLStreamWriter xmlWriter, final NormalizedNodeWriter nnWriter,
-                                         final ContainerNode data)
-            throws IOException {
+                                         final ContainerNode data) throws IOException {
+        final QName name = SchemaContext.NAME;
         try {
-            final QName name = SchemaContext.NAME;
             xmlWriter.writeStartElement(name.getNamespace().toString(), name.getLocalName());
             for (final DataContainerChild<? extends PathArgument, ?> child : data.getValue()) {
                 nnWriter.write(child);
@@ -372,15 +374,13 @@ public class RestconfDocumentedExceptionMapper implements ExceptionMapper<Restco
             xmlWriter.writeEndElement();
             xmlWriter.flush();
         } catch (final XMLStreamException e) {
-            Throwables.propagate(e);
+            throw new IOException("Failed to write elements", e);
         }
     }
 
     private static void writeDataRoot(final OutputStreamWriter outputWriter, final NormalizedNodeWriter nnWriter,
                                       final ContainerNode data) throws IOException {
-        final Iterator<DataContainerChild<? extends PathArgument, ?>> iterator = data.getValue().iterator();
-        while (iterator.hasNext()) {
-            final DataContainerChild<? extends PathArgument, ?> child = iterator.next();
+        for (final DataContainerChild<? extends PathArgument, ?> child : data.getValue()) {
             nnWriter.write(child);
             nnWriter.flush();
         }