Merge "Bug 460 - Fix warning throughout netconf subsystem"

[controller.git] / opendaylight / netconf / netconf-impl / src / main / java / org / opendaylight / controller / netconf / impl / osgi / NetconfOperationRouterImpl.java

diff --git a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfOperationRouterImpl.java b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfOperationRouterImpl.java
index 8d532d45e8a3c95153ad37e2fa9546d1fa8788c3..ff96ad779fbc974539ced455494129381bb09635 100644 (file)
--- a/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfOperationRouterImpl.java
+++ b/opendaylight/netconf/netconf-impl/src/main/java/org/opendaylight/controller/netconf/impl/osgi/NetconfOperationRouterImpl.java
@@ -7,35 +7,35 @@
  */
 package org.opendaylight.controller.netconf.impl.osgi;
 
-import java.util.Collections;
-import java.util.HashSet;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeMap;
-
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
 import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
-import org.opendaylight.controller.netconf.api.NetconfOperationRouter;
-import org.opendaylight.controller.netconf.api.NetconfSession;
 import org.opendaylight.controller.netconf.impl.DefaultCommitNotificationProducer;
+import org.opendaylight.controller.netconf.impl.NetconfServerSession;
 import org.opendaylight.controller.netconf.impl.mapping.CapabilityProvider;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultCloseSession;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultCommit;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultGetSchema;
+import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultNetconfOperation;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultStartExi;
 import org.opendaylight.controller.netconf.impl.mapping.operations.DefaultStopExi;
-import org.opendaylight.controller.netconf.mapping.api.DefaultNetconfOperation;
 import org.opendaylight.controller.netconf.mapping.api.HandlingPriority;
 import org.opendaylight.controller.netconf.mapping.api.NetconfOperation;
 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationChainedExecution;
 import org.opendaylight.controller.netconf.mapping.api.NetconfOperationService;
+import org.opendaylight.controller.netconf.mapping.api.NetconfOperationServiceSnapshot;
 import org.opendaylight.controller.netconf.util.xml.XmlUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
 
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.NavigableMap;
+import java.util.Set;
+import java.util.TreeMap;
 
 public class NetconfOperationRouterImpl implements NetconfOperationRouter {
 
@@ -84,7 +84,7 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
         for (NetconfOperationService netconfOperationService : netconfOperationServiceSnapshot.getServices()) {
             final Set<NetconfOperation> netOpsFromService = netconfOperationService.getNetconfOperations();
             for (NetconfOperation netconfOperation : netOpsFromService) {
-                Preconditions.checkState(result.contains(netconfOperation) == false,
+                Preconditions.checkState(!result.contains(netconfOperation),
                         "Netconf operation %s already present", netconfOperation);
                 result.add(netconfOperation);
             }
@@ -94,13 +94,14 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
 
     @Override
     public synchronized Document onNetconfMessage(Document message,
-            NetconfSession session) throws NetconfDocumentedException {
+            NetconfServerSession session) throws NetconfDocumentedException {
         Preconditions.checkNotNull(allNetconfOperations, "Operation router was not initialized properly");
 
         NetconfOperationExecution netconfOperationExecution;
-        String messageAsString = XmlUtil.toString(message);
 
+        String messageAsString = "";
         try {
+            messageAsString = XmlUtil.toString(message);
             netconfOperationExecution = getNetconfOperationWithHighestPriority(message, session);
         } catch (IllegalArgumentException | IllegalStateException e) {
             logger.warn("Unable to handle rpc {} on session {}", messageAsString, session, e);
@@ -108,11 +109,11 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
             String errorMessage = String.format("Unable to handle rpc %s on session %s", messageAsString, session);
             Map<String, String> errorInfo = Maps.newHashMap();
 
-            NetconfDocumentedException.ErrorTag tag = null;
+            NetconfDocumentedException.ErrorTag tag;
             if (e instanceof IllegalArgumentException) {
                 errorInfo.put(NetconfDocumentedException.ErrorTag.operation_not_supported.toString(), e.getMessage());
                 tag = NetconfDocumentedException.ErrorTag.operation_not_supported;
-            } else if (e instanceof IllegalStateException) {
+            } else {
                 errorInfo.put(NetconfDocumentedException.ErrorTag.operation_failed.toString(), e.getMessage());
                 tag = NetconfDocumentedException.ErrorTag.operation_failed;
             }
@@ -131,7 +132,7 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
     }
 
     @Override
-    public void close() {
+    public void close() throws Exception {
         netconfOperationServiceSnapshot.close();
     }
 
@@ -154,20 +155,20 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
     }
 
     private NetconfOperationExecution getNetconfOperationWithHighestPriority(
-            Document message, NetconfSession session) {
+            Document message, NetconfServerSession session) throws NetconfDocumentedException {
 
-        TreeMap<HandlingPriority, NetconfOperation> sortedByPriority = getSortedNetconfOperationsWithCanHandle(
+        NavigableMap<HandlingPriority, NetconfOperation> sortedByPriority = getSortedNetconfOperationsWithCanHandle(
                 message, session);
 
         Preconditions.checkArgument(sortedByPriority.isEmpty() == false,
-                "No %s available to handleWithNoSubsequentOperations message %s", NetconfOperation.class.getName(),
+                "No %s available to handle message %s", NetconfOperation.class.getName(),
                 XmlUtil.toString(message));
 
         return NetconfOperationExecution.createExecutionChain(sortedByPriority, sortedByPriority.lastKey());
     }
 
     private TreeMap<HandlingPriority, NetconfOperation> getSortedNetconfOperationsWithCanHandle(Document message,
-            NetconfSession session) {
+            NetconfServerSession session) throws NetconfDocumentedException {
         TreeMap<HandlingPriority, NetconfOperation> sortedPriority = Maps.newTreeMap();
 
         for (NetconfOperation netconfOperation : allNetconfOperations) {
@@ -175,9 +176,9 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
             if (netconfOperation instanceof DefaultNetconfOperation) {
                 ((DefaultNetconfOperation) netconfOperation).setNetconfSession(session);
             }
-            if (handlingPriority.equals(HandlingPriority.CANNOT_HANDLE) == false) {
+            if (!handlingPriority.equals(HandlingPriority.CANNOT_HANDLE)) {
 
-                Preconditions.checkState(sortedPriority.containsKey(handlingPriority) == false,
+                Preconditions.checkState(!sortedPriority.containsKey(handlingPriority),
                         "Multiple %s available to handle message %s with priority %s",
                         NetconfOperation.class.getName(), message, handlingPriority);
                 sortedPriority.put(handlingPriority, netconfOperation);
@@ -194,7 +195,10 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
 
         @Override
         public Document execute(Document requestMessage) throws NetconfDocumentedException {
-            throw new IllegalStateException("This execution represents the termination point in operation execution and cannot be executed itself");
+            throw new NetconfDocumentedException("This execution represents the termination point in operation execution and cannot be executed itself",
+                    NetconfDocumentedException.ErrorType.application,
+                    NetconfDocumentedException.ErrorTag.operation_failed,
+                    NetconfDocumentedException.ErrorSeverity.error);
         }
     };
 
@@ -218,7 +222,7 @@ public class NetconfOperationRouterImpl implements NetconfOperationRouter {
         }
 
         public static NetconfOperationExecution createExecutionChain(
-                TreeMap<HandlingPriority, NetconfOperation> sortedByPriority, HandlingPriority handlingPriority) {
+                NavigableMap<HandlingPriority, NetconfOperation> sortedByPriority, HandlingPriority handlingPriority) {
             NetconfOperation netconfOperation = sortedByPriority.get(handlingPriority);
             HandlingPriority subsequentHandlingPriority = sortedByPriority.lowerKey(handlingPriority);