Merge "Bug 1380 - Fix NullPointerException when match is null"

[controller.git] / opendaylight / md-sal / sal-common-impl / src / main / java / org / opendaylight / controller / md / sal / common / impl / util / compat / DataNormalizer.java

diff --git a/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/util/compat/DataNormalizer.java b/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/util/compat/DataNormalizer.java
index ec8ce6ecd5a96e628d2883ab38f24aaab383095a..e2a960a67aae708d34a4145479b8797fe535d0d6 100644 (file)
--- a/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/util/compat/DataNormalizer.java
+++ b/opendaylight/md-sal/sal-common-impl/src/main/java/org/opendaylight/controller/md/sal/common/impl/util/compat/DataNormalizer.java
@@ -9,15 +9,11 @@ package org.opendaylight.controller.md.sal.common.impl.util.compat;
 
 import static com.google.common.base.Preconditions.checkArgument;
 
-import com.google.common.base.Preconditions;
-import com.google.common.base.Predicates;
-import com.google.common.collect.FluentIterable;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Iterables;
 import java.util.AbstractMap;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.Map;
+
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
 import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
@@ -36,6 +32,12 @@ import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl;
 import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 
+import com.google.common.base.Preconditions;
+import com.google.common.base.Predicates;
+import com.google.common.collect.FluentIterable;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+
 public class DataNormalizer {
 
     private final DataNormalizationOperation<?> operation;
@@ -48,7 +50,7 @@ public class DataNormalizer {
         ImmutableList.Builder<PathArgument> normalizedArgs = ImmutableList.builder();
 
         DataNormalizationOperation<?> currentOp = operation;
-        Iterator<PathArgument> arguments = legacy.getPath().iterator();
+        Iterator<PathArgument> arguments = legacy.getPathArguments().iterator();
 
         try {
             while (arguments.hasNext()) {
@@ -67,7 +69,17 @@ public class DataNormalizer {
             throw new IllegalArgumentException(String.format("Failed to normalize path %s", legacy), e);
         }
 
-        return new InstanceIdentifier(normalizedArgs.build());
+        return InstanceIdentifier.create(normalizedArgs.build());
+    }
+
+    public DataNormalizationOperation<?> getOperation(final InstanceIdentifier legacy) throws DataNormalizationException {
+        DataNormalizationOperation<?> currentOp = operation;
+        Iterator<PathArgument> arguments = legacy.getPathArguments().iterator();
+
+        while (arguments.hasNext()) {
+            currentOp = currentOp.getChild(arguments.next());
+        }
+        return currentOp;
     }
 
     public Map.Entry<InstanceIdentifier, NormalizedNode<?, ?>> toNormalized(
@@ -81,7 +93,7 @@ public class DataNormalizer {
         InstanceIdentifier normalizedPath = toNormalized(legacyPath);
 
         DataNormalizationOperation<?> currentOp = operation;
-        for (PathArgument arg : normalizedPath.getPath()) {
+        for (PathArgument arg : normalizedPath.getPathArguments()) {
             try {
                 currentOp = currentOp.getChild(arg);
             } catch (DataNormalizationException e) {
@@ -103,9 +115,7 @@ public class DataNormalizer {
 
             if (potentialOp.getIdentifier() instanceof AugmentationIdentifier) {
                 currentOp = potentialOp;
-                ArrayList<PathArgument> reworkedArgs = new ArrayList<>(normalizedPath.getPath());
-                reworkedArgs.add(potentialOp.getIdentifier());
-                normalizedPath = new InstanceIdentifier(reworkedArgs);
+                normalizedPath = normalizedPath.node(potentialOp.getIdentifier());
             }
         }
 
@@ -117,15 +127,14 @@ public class DataNormalizer {
 
     public InstanceIdentifier toLegacy(final InstanceIdentifier normalized) throws DataNormalizationException {
         ImmutableList.Builder<PathArgument> legacyArgs = ImmutableList.builder();
-        PathArgument previous = null;
         DataNormalizationOperation<?> currentOp = operation;
-        for (PathArgument normalizedArg : normalized.getPath()) {
+        for (PathArgument normalizedArg : normalized.getPathArguments()) {
             currentOp = currentOp.getChild(normalizedArg);
-            if(!currentOp.isMixin()) {
+            if (!currentOp.isMixin()) {
                 legacyArgs.add(normalizedArg);
             }
         }
-        return new InstanceIdentifier(legacyArgs.build());
+        return InstanceIdentifier.create(legacyArgs.build());
     }
 
     public CompositeNode toLegacy(final InstanceIdentifier normalizedPath, final NormalizedNode<?, ?> normalizedData) {
@@ -135,7 +144,7 @@ public class DataNormalizer {
             return toLegacyFromDataContainer((DataContainerNode<?>) normalizedData);
         } else if (normalizedData instanceof AnyXmlNode) {
             Node<?> value = ((AnyXmlNode) normalizedData).getValue();
-            return value instanceof CompositeNode ? (CompositeNode)value : null;
+            return value instanceof CompositeNode ? (CompositeNode) value : null;
         }
         return null;
     }
@@ -170,7 +179,7 @@ public class DataNormalizer {
         for (NormalizedNode<?, ?> child : node.getValue()) {
             if (child instanceof MixinNode && child instanceof NormalizedNodeContainer<?, ?, ?>) {
                 builder.addAll(toLegacyNodesFromMixin((NormalizedNodeContainer) child));
-            } else if( child instanceof UnkeyedListNode) {
+            } else if (child instanceof UnkeyedListNode) {
                 builder.addAll(toLegacyNodesFromUnkeyedList((UnkeyedListNode) child));
             } else {
                 addToBuilder(builder, toLegacy(child));