Convert anyxml nodes lazily

[netconf.git] / netconf / netconf-util / src / main / java / org / opendaylight / netconf / util / NetconfUtil.java

diff --git a/netconf/netconf-util/src/main/java/org/opendaylight/netconf/util/NetconfUtil.java b/netconf/netconf-util/src/main/java/org/opendaylight/netconf/util/NetconfUtil.java
index d47c86d10af5c76f179824d3372309f5c583b2cb..94dc39f0bd2a64e8cdf0be0f5f1c110c8e9f1c7b 100644 (file)
--- a/netconf/netconf-util/src/main/java/org/opendaylight/netconf/util/NetconfUtil.java
+++ b/netconf/netconf-util/src/main/java/org/opendaylight/netconf/util/NetconfUtil.java
@@ -9,32 +9,46 @@ package org.opendaylight.netconf.util;
 
 import com.google.common.base.Preconditions;
 import java.io.IOException;
+import java.net.URISyntaxException;
 import java.util.Iterator;
+import javax.xml.parsers.ParserConfigurationException;
 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.netconf.api.DocumentedException;
 import org.opendaylight.netconf.api.xml.XmlElement;
 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
 import org.opendaylight.netconf.api.xml.XmlUtil;
+import org.opendaylight.yangtools.yang.common.QName;
 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.api.schema.stream.NormalizedNodeStreamWriter;
 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
 import org.opendaylight.yangtools.yang.data.codec.xml.XMLStreamNormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.codec.xml.XmlCodecFactory;
+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.model.api.ContainerSchemaNode;
 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 import org.opendaylight.yangtools.yang.model.api.SchemaPath;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
 
 public final class NetconfUtil {
 
-    private static final Logger LOG = LoggerFactory.getLogger(NetconfUtil.class);
+    public static final QName NETCONF_QNAME =
+            QName.create("urn:ietf:params:xml:ns:netconf:base:1.0", "2011-06-01", "netconf").intern();
+    public static final QName NETCONF_DATA_QNAME = QName.create(NETCONF_QNAME, "data").intern();
     public static final XMLOutputFactory XML_FACTORY;
 
+    private static final Logger LOG = LoggerFactory.getLogger(NetconfUtil.class);
+
     static {
         XML_FACTORY = XMLOutputFactory.newFactory();
         XML_FACTORY.setProperty(XMLOutputFactory.IS_REPAIRING_NAMESPACES, false);
@@ -100,4 +114,17 @@ public final class NetconfUtil {
             xmlWriter.close();
         }
     }
+
+    public static NormalizedNodeResult transformDOMSourceToNormalizedNode(final SchemaContext schemaContext,
+            final DOMSource value) throws XMLStreamException, URISyntaxException, IOException, SAXException,
+            ParserConfigurationException {
+        final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
+        final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter.from(resultHolder);
+        final XmlCodecFactory codecs = XmlCodecFactory.create(schemaContext);
+        final ContainerSchemaNode dataRead = new NodeContainerProxy(NETCONF_DATA_QNAME, schemaContext.getChildNodes());
+        try (XmlParserStream xmlParserStream = XmlParserStream.create(writer, codecs, dataRead)) {
+            xmlParserStream.traverse(value);
+        }
+        return resultHolder;
+    }
 }