Bug 8879: Migrate controller to the new XML parser

[controller.git] / opendaylight / blueprint / src / main / java / org / opendaylight / controller / blueprint / ext / BindingContext.java

diff --git a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/BindingContext.java b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/BindingContext.java
index e4ae3fc0ef54fadfbdff03cb0fc9bf7b1214842a..fb950b8a58c2fa1e7a3fe1a1847ca3056ad93417 100644 (file)
--- a/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/BindingContext.java
+++ b/opendaylight/blueprint/src/main/java/org/opendaylight/controller/blueprint/ext/BindingContext.java
@@ -9,23 +9,34 @@ package org.opendaylight.controller.blueprint.ext;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;
 
 import com.google.common.base.Preconditions;
 import com.google.common.base.Strings;

+import java.io.IOException;

 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.InvocationTargetException;

-import java.util.Collections;
+import java.net.URISyntaxException;

 import java.util.List;
 import java.util.List;

+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.transform.dom.DOMSource;

 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.Identifiable;
 import org.opendaylight.yangtools.yang.binding.Identifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
 import org.opendaylight.yangtools.yang.common.QName;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.Identifiable;
 import org.opendaylight.yangtools.yang.binding.Identifier;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
 import org.opendaylight.yangtools.yang.common.QName;

+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapNode;

 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 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.codec.xml.XmlParserStream;

 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;

-import org.opendaylight.yangtools.yang.data.impl.schema.transform.dom.parser.DomToNormalizedNodeParserFactory;
+import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.impl.schema.NormalizedNodeResult;

 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;

+import org.opendaylight.yangtools.yang.model.api.SchemaContext;

 import org.osgi.service.blueprint.container.ComponentDefinitionException;
 import org.w3c.dom.Element;
 import org.osgi.service.blueprint.container.ComponentDefinitionException;
 import org.w3c.dom.Element;

+import org.xml.sax.SAXException;

 
 /**
  * Base class to abstract binding type-specific behavior.
 
 /**
  * Base class to abstract binding type-specific behavior.


@@ -72,8 +83,23 @@ public abstract class BindingContext {
         bindingQName = BindingReflections.findQName(appConfigBindingClass);
     }
 
         bindingQName = BindingReflections.findQName(appConfigBindingClass);
     }
 

-    public abstract NormalizedNode<?, ?> parseDataElement(Element element, DataSchemaNode dataSchema,
-            DomToNormalizedNodeParserFactory parserFactory);
+    public NormalizedNode<?, ?> parseDataElement(final Element element, final DataSchemaNode dataSchema,
+            final SchemaContext schemaContext) throws XMLStreamException, IOException, ParserConfigurationException,
+            SAXException, URISyntaxException {
+        final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
+        final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
+        final XmlParserStream xmlParser = XmlParserStream.create(writer, schemaContext, dataSchema);
+        xmlParser.traverse(new DOMSource(element));
+
+        final NormalizedNode<?, ?> result = resultHolder.getResult();
+        if (result instanceof MapNode) {
+            final MapNode mapNode = (MapNode) result;
+            final MapEntryNode mapEntryNode = mapNode.getValue().iterator().next();
+            return mapEntryNode;
+        }
+
+        return result;
+    }

 
     public abstract NormalizedNode<?, ?> newDefaultNode(DataSchemaNode dataSchema);
 
 
     public abstract NormalizedNode<?, ?> newDefaultNode(DataSchemaNode dataSchema);
 


@@ -91,13 +117,6 @@ public abstract class BindingContext {
         public NormalizedNode<?, ?> newDefaultNode(final DataSchemaNode dataSchema) {
             return ImmutableNodes.containerNode(bindingQName);
         }
         public NormalizedNode<?, ?> newDefaultNode(final DataSchemaNode dataSchema) {
             return ImmutableNodes.containerNode(bindingQName);
         }

-
-        @Override
-        public NormalizedNode<?, ?> parseDataElement(final Element element, final DataSchemaNode dataSchema,
-                final DomToNormalizedNodeParserFactory parserFactory) {
-            return parserFactory.getContainerNodeParser().parse(Collections.singletonList(element),
-                    (ContainerSchemaNode)dataSchema);
-        }

     }
 
     /**
     }
 
     /**


@@ -133,12 +152,5 @@ public abstract class BindingContext {
             QName listKeyQName = keys.get(0);
             return ImmutableNodes.mapEntryBuilder(bindingQName, listKeyQName, appConfigListKeyValue).build();
         }
             QName listKeyQName = keys.get(0);
             return ImmutableNodes.mapEntryBuilder(bindingQName, listKeyQName, appConfigListKeyValue).build();
         }

-
-        @Override
-        public NormalizedNode<?, ?> parseDataElement(final Element element, final DataSchemaNode dataSchema,
-                final DomToNormalizedNodeParserFactory parserFactory) {
-            return parserFactory.getMapEntryNodeParser().parse(Collections.singletonList(element),
-                    (ListSchemaNode)dataSchema);
-        }

     }
 }
     }
 }