Fix findbugs violations in netconf
[netconf.git] / netconf / mdsal-netconf-connector / src / main / java / org / opendaylight / netconf / mdsal / connector / ops / RuntimeRpc.java
index bd47a3d9bddef73cc64e502163329a6c2b460adb..d61c249cfd2df18181cba3d8fe01ba3d89a2d98b 100644 (file)
@@ -9,11 +9,9 @@
 package org.opendaylight.netconf.mdsal.connector.ops;
 
 import com.google.common.base.Optional;
-import com.google.common.base.Throwables;
 import com.google.common.util.concurrent.CheckedFuture;
 import java.io.IOException;
 import java.net.URI;
-import java.net.URISyntaxException;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Map;
@@ -22,6 +20,7 @@ import javax.xml.stream.XMLOutputFactory;
 import javax.xml.stream.XMLStreamException;
 import javax.xml.stream.XMLStreamWriter;
 import javax.xml.transform.dom.DOMResult;
+import javax.xml.transform.dom.DOMSource;
 import org.opendaylight.controller.config.util.xml.DocumentedException;
 import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorSeverity;
 import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorTag;
@@ -32,6 +31,7 @@ import org.opendaylight.controller.config.util.xml.XmlUtil;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
 import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
+import org.opendaylight.netconf.api.NetconfDocumentedException;
 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
 import org.opendaylight.netconf.mapping.api.HandlingPriority;
 import org.opendaylight.netconf.mapping.api.NetconfOperationChainedExecution;
@@ -41,10 +41,11 @@ 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.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.data.impl.codec.xml.XMLStreamNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.codec.xml.XMLStreamNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.codec.xml.XmlParserStream;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;
 import org.opendaylight.yangtools.yang.data.impl.schema.SchemaOrderedNormalizedNodeWriter;
-import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.DomUtils;
-import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.Module;
 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
@@ -61,14 +62,14 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
 
     private static final Logger LOG = LoggerFactory.getLogger(RuntimeRpc.class);
 
-    private final CurrentSchemaContext schemaContext;
     private static final XMLOutputFactory XML_OUTPUT_FACTORY;
 
     static {
         XML_OUTPUT_FACTORY = XMLOutputFactory.newFactory();
-        XML_OUTPUT_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, true);
+        XML_OUTPUT_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, Boolean.TRUE);
     }
 
+    private final CurrentSchemaContext schemaContext;
     private final DOMRpcService rpcService;
 
     public RuntimeRpc(final String netconfSessionIdForReporting, final CurrentSchemaContext schemaContext,
@@ -98,25 +99,18 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
         throw new UnsupportedOperationException("Runtime rpc does not have a stable name");
     }
 
-    private URI createNsUri(final String namespace) {
-        final URI namespaceURI;
-        try {
-            namespaceURI = new URI(namespace);
-        } catch (final URISyntaxException e) {
-            // Cannot occur, namespace in parsed XML cannot be invalid URI
-            throw new IllegalStateException("Unable to parse URI " + namespace, e);
-        }
-        return namespaceURI;
+    private static URI createNsUri(final String namespace) {
+        // May throw IllegalArgumentException, but that should never happen, as the namespace comes from parsed XML
+        return URI.create(namespace);
     }
 
     //this returns module with the newest revision if more then 1 module with same namespace is found
     private Optional<Module> getModule(final URI namespaceURI) {
-        return Optional.fromNullable(
-                schemaContext.getCurrentContext().findModuleByNamespaceAndRevision(namespaceURI, null));
+        return Optional.fromJavaUtil(schemaContext.getCurrentContext().findModule(namespaceURI));
     }
 
-    private Optional<RpcDefinition> getRpcDefinitionFromModule(final Module module, final URI namespaceURI,
-                                                               final String name) {
+    private static Optional<RpcDefinition> getRpcDefinitionFromModule(final Module module, final URI namespaceURI,
+            final String name) {
         for (final RpcDefinition rpcDef : module.getRpcs()) {
             if (rpcDef.getQName().getNamespace().equals(namespaceURI)
                     && rpcDef.getQName().getLocalName().equals(name)) {
@@ -136,7 +130,7 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
             netconfOperationNamespace = operationElement.getNamespace();
         } catch (final DocumentedException e) {
             LOG.debug("Cannot retrieve netconf operation namespace from message due to ", e);
-            throw new DocumentedException("Cannot retrieve netconf operation namespace from message",
+            throw new DocumentedException("Cannot retrieve netconf operation namespace from message", e,
                     ErrorType.PROTOCOL, ErrorTag.UNKNOWN_NAMESPACE, ErrorSeverity.ERROR);
         }
 
@@ -234,7 +228,7 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
         return result.getNode();
     }
 
-    private XMLStreamWriter getXmlStreamWriter(final DOMResult result) {
+    private static XMLStreamWriter getXmlStreamWriter(final DOMResult result) {
         try {
             return XML_OUTPUT_FACTORY.createXMLStreamWriter(result);
         } catch (final XMLStreamException e) {
@@ -242,15 +236,15 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
         }
     }
 
-    private void writeRootElement(final XMLStreamWriter xmlWriter, final SchemaOrderedNormalizedNodeWriter nnWriter,
-                                  final ContainerNode data) {
+    private static void writeRootElement(final XMLStreamWriter xmlWriter,
+            final SchemaOrderedNormalizedNodeWriter nnWriter, final ContainerNode data) {
         try {
-            final Collection<DataContainerChild<?, ?>> value = (Collection) data.getValue();
+            final Collection<DataContainerChild<?, ?>> value = data.getValue();
             nnWriter.write(value);
             nnWriter.flush();
             xmlWriter.flush();
         } catch (XMLStreamException | IOException e) {
-            Throwables.propagate(e);
+            throw new RuntimeException(e);
         }
     }
 
@@ -261,12 +255,26 @@ public class RuntimeRpc extends AbstractSingletonNetconfOperation {
      * @param input   input container schema node, or null if rpc does not take any input
      * @return parsed rpc into normalized node, or null if input schema is null
      */
+    @SuppressWarnings("checkstyle:IllegalCatch")
     @Nullable
-    private NormalizedNode<?, ?> rpcToNNode(final XmlElement element, @Nullable final ContainerSchemaNode input) {
-        return input.getChildNodes().isEmpty() ? null : DomToNormalizedNodeParserFactory
-                .getInstance(DomUtils.defaultValueCodecProvider(), schemaContext.getCurrentContext())
-                .getContainerNodeParser()
-                .parse(Collections.singletonList(element.getDomElement()), input);
+    private NormalizedNode<?, ?> rpcToNNode(final XmlElement element, @Nullable final ContainerSchemaNode input)
+            throws DocumentedException {
+        if (input == null || input.getChildNodes().isEmpty()) {
+            return null;
+        }
+
+        final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
+        final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
+        final XmlParserStream xmlParser = XmlParserStream.create(writer, schemaContext.getCurrentContext(), input);
+
+        try {
+            xmlParser.traverse(new DOMSource(element.getDomElement()));
+        } catch (final Exception ex) {
+            throw new NetconfDocumentedException("Error parsing input: " + ex.getMessage(), ex, ErrorType.PROTOCOL,
+                    ErrorTag.MALFORMED_MESSAGE, ErrorSeverity.ERROR);
+        }
+
+        return resultHolder.getResult();
     }
 
 }