Merge "Added AAA AuthN filter to RESTConf web.xml"
[controller.git] / opendaylight / md-sal / sal-binding-broker / src / main / java / org / opendaylight / controller / md / sal / binding / impl / BindingToNormalizedNodeCodec.java
index f885b323e6c04c34d23356c50722c24dfc755ac7..d7314e5362873b0db2e3fa6a2a20b93f527725d2 100644 (file)
  */
 package org.opendaylight.controller.md.sal.binding.impl;
 
-import java.util.AbstractMap.SimpleEntry;
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+
+import java.util.Iterator;
 import java.util.Map.Entry;
 
+import javax.annotation.Nonnull;
+
+import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationException;
+import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizationOperation;
 import org.opendaylight.controller.md.sal.common.impl.util.compat.DataNormalizer;
-import org.opendaylight.yangtools.yang.binding.Augmentation;
+import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
+import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
+import org.opendaylight.yangtools.sal.binding.generator.util.BindingRuntimeContext;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.CompositeNode;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
-import org.opendaylight.yangtools.yang.data.api.schema.AugmentationNode;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
-import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 import org.opendaylight.yangtools.yang.data.impl.codec.BindingIndependentMappingService;
 import org.opendaylight.yangtools.yang.data.impl.codec.DeserializationException;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.collect.ImmutableList;
 
-public class BindingToNormalizedNodeCodec implements SchemaContextListener {
-
-    private static final Logger LOG = LoggerFactory.getLogger(BindingToNormalizedNodeCodec.class);
+public class BindingToNormalizedNodeCodec implements SchemaContextListener,AutoCloseable {
 
     private final BindingIndependentMappingService bindingToLegacy;
+    private final BindingNormalizedNodeCodecRegistry codecRegistry;
     private DataNormalizer legacyToNormalized;
+    private final GeneratedClassLoadingStrategy classLoadingStrategy;
 
-    public BindingToNormalizedNodeCodec(final BindingIndependentMappingService mappingService) {
+    public BindingToNormalizedNodeCodec(final GeneratedClassLoadingStrategy classLoadingStrategy, final BindingIndependentMappingService mappingService, final BindingNormalizedNodeCodecRegistry codecRegistry) {
         super();
         this.bindingToLegacy = mappingService;
+        this.classLoadingStrategy = classLoadingStrategy;
+        this.codecRegistry = codecRegistry;
+
     }
 
-    public org.opendaylight.yangtools.yang.data.api.InstanceIdentifier toNormalized(
-            final InstanceIdentifier<? extends DataObject> binding) {
-        return legacyToNormalized.toNormalized(bindingToLegacy.toDataDom(binding));
+    public YangInstanceIdentifier toNormalized(final InstanceIdentifier<? extends DataObject> binding) {
+        return codecRegistry.toYangInstanceIdentifier(binding);
     }
 
-    public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
+    @SuppressWarnings({ "unchecked", "rawtypes" })
+    public Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
             final InstanceIdentifier<? extends DataObject> bindingPath, final DataObject bindingObject) {
-        return toNormalizedNode(toEntry(bindingPath, bindingObject));
+        return codecRegistry.toNormalizedNode((InstanceIdentifier) bindingPath, bindingObject);
 
     }
 
-    public Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
-            final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> binding) {
-        Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>> normalizedEntry = legacyToNormalized.toNormalized(bindingToLegacy.toDataDom(binding));
-        if(Augmentation.class.isAssignableFrom(binding.getKey().getTargetType())) {
-
-            for(DataContainerChild<? extends PathArgument, ?> child : ((DataContainerNode<?>) normalizedEntry.getValue()).getValue()) {
-               if(child instanceof AugmentationNode) {
-                   ImmutableList<PathArgument> childArgs = ImmutableList.<PathArgument>builder()
-                           .addAll(normalizedEntry.getKey().getPath())
-                           .add(child.getIdentifier())
-                           .build();
-                   org.opendaylight.yangtools.yang.data.api.InstanceIdentifier childPath = new org.opendaylight.yangtools.yang.data.api.InstanceIdentifier(childArgs);
-                   return new SimpleEntry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, NormalizedNode<?, ?>>(childPath,child);
-               }
-            }
+    public Entry<YangInstanceIdentifier, NormalizedNode<?, ?>> toNormalizedNode(
+            final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding) {
+        return toNormalizedNode(binding.getKey(),binding.getValue());
+    }
 
+    /**
+     *
+     * Returns a Binding-Aware instance identifier from normalized
+     * instance-identifier if it is possible to create representation.
+     *
+     * Returns Optional.absent for cases where target is mixin node except
+     * augmentation.
+     *
+     */
+    public Optional<InstanceIdentifier<? extends DataObject>> toBinding(final YangInstanceIdentifier normalized)
+                    throws DeserializationException {
+        try {
+            return Optional.<InstanceIdentifier<? extends DataObject>>fromNullable(codecRegistry.fromYangInstanceIdentifier(normalized));
+        } catch (IllegalArgumentException e) {
+            return Optional.absent();
         }
-        return normalizedEntry;
-
-
     }
 
-    public InstanceIdentifier<? extends DataObject> toBinding(
-            final org.opendaylight.yangtools.yang.data.api.InstanceIdentifier normalized)
-            throws DeserializationException {
+    public DataNormalizer getDataNormalizer() {
+        return legacyToNormalized;
+    }
 
-        org.opendaylight.yangtools.yang.data.api.InstanceIdentifier legacyPath = legacyToNormalized
-                .toLegacy(normalized);
-        return bindingToLegacy.fromDataDom(legacyPath);
+    public Optional<Entry<InstanceIdentifier<? extends DataObject>, DataObject>> toBinding(
+            final @Nonnull Entry<YangInstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
+                    throws DeserializationException {
+        try {
+            /*
+             * This cast is required, due to generics behaviour in openjdk / oracle javac
+             *
+             * InstanceIdentifier has definition InstanceIdentifier<T extends DataObject>,
+             * this means '?' is always  <? extends DataObject>. Eclipse compiler
+             * is able to determine this relationship and treats
+             * Entry<InstanceIdentifier<?>,DataObject> and Entry<InstanceIdentifier<? extends DataObject,DataObject>
+             * as assignable. However openjdk / oracle javac treats this two types
+             * as incompatible and issues a compile error.
+             *
+             * It is safe to  loose generic information and cast it to other generic signature.
+             *
+             */
+            @SuppressWarnings({ "unchecked", "rawtypes" })
+            final Entry<InstanceIdentifier<? extends DataObject>, DataObject> binding = (Entry) codecRegistry.fromNormalizedNode(normalized.getKey(), normalized.getValue());
+            return Optional.fromNullable(binding);
+        } catch (IllegalArgumentException e) {
+            return Optional.absent();
+        }
     }
 
-    private static final Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> toEntry(
-            final org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject> key,
-            final DataObject value) {
-        return new SimpleEntry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject>(
-                key, value);
+    @Override
+    public void onGlobalContextUpdated(final SchemaContext arg0) {
+        legacyToNormalized = new DataNormalizer(arg0);
+        codecRegistry.onBindingRuntimeContextUpdated(BindingRuntimeContext.create(classLoadingStrategy, arg0));
     }
 
-    public DataObject toBinding(final InstanceIdentifier<?> path, final NormalizedNode<?, ?> normalizedNode)
-            throws DeserializationException {
-        return bindingToLegacy.dataObjectFromDataDom(path, (CompositeNode) DataNormalizer.toLegacy(normalizedNode));
+    public <T extends DataObject> Function<Optional<NormalizedNode<?, ?>>, Optional<T>>  deserializeFunction(final InstanceIdentifier<T> path) {
+        return codecRegistry.deserializeFunction(path);
     }
 
-    public DataNormalizer getDataNormalizer() {
-        return legacyToNormalized;
+    /**
+     * Returns an default object according to YANG schema for supplied path.
+     *
+     * @param path DOM Path
+     * @return Node with defaults set on.
+     */
+    public NormalizedNode<?, ?> getDefaultNodeFor(final YangInstanceIdentifier path) {
+        Iterator<PathArgument> iterator = path.getPathArguments().iterator();
+        DataNormalizationOperation<?> currentOp = legacyToNormalized.getRootOperation();
+        while (iterator.hasNext()) {
+            PathArgument currentArg = iterator.next();
+            try {
+                currentOp = currentOp.getChild(currentArg);
+            } catch (DataNormalizationException e) {
+                throw new IllegalArgumentException(String.format("Invalid child encountered in path %s", path), e);
+            }
+        }
+        return currentOp.createDefault(path.getLastPathArgument());
     }
 
-    public Entry<org.opendaylight.yangtools.yang.binding.InstanceIdentifier<? extends DataObject>, DataObject> toBinding(
-            final Entry<org.opendaylight.yangtools.yang.data.api.InstanceIdentifier, ? extends NormalizedNode<?, ?>> normalized)
-            throws DeserializationException {
-        InstanceIdentifier<? extends DataObject> bindingPath = toBinding(normalized.getKey());
-        DataObject bindingData = toBinding(bindingPath, normalized.getValue());
-        return toEntry(bindingPath, bindingData);
+    public BindingIndependentMappingService getLegacy() {
+        return bindingToLegacy;
     }
 
     @Override
-    public void onGlobalContextUpdated(final SchemaContext arg0) {
-        legacyToNormalized = new DataNormalizer(arg0);
+    public void close() {
+        // NOOP Intentionally
     }
-
 }