X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-remoterpc-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fremote%2Frpc%2FXmlUtils.java;fp=opendaylight%2Fmd-sal%2Fsal-remoterpc-connector%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fremote%2Frpc%2FXmlUtils.java;h=5fb2bb87722c5033889e14e8c2013ace18cd6728;hb=55fc9479e27034acfe8d19160b34c12f7d9b780c;hp=0000000000000000000000000000000000000000;hpb=3223221fb635ce6b5918df4a60984a22306fc194;p=controller.git

diff --git a/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/XmlUtils.java b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/XmlUtils.java
new file mode 100644
index 0000000000..5fb2bb8772
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+++ b/opendaylight/md-sal/sal-remoterpc-connector/src/main/java/org/opendaylight/controller/remote/rpc/XmlUtils.java
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+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.remote.rpc;
+
+import com.google.common.base.Optional;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.CompositeNode;
+import org.opendaylight.yangtools.yang.data.api.Node;
+import org.opendaylight.yangtools.yang.data.api.SimpleNode;
+import org.opendaylight.yangtools.yang.data.impl.XmlTreeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.controller.netconf.util.xml.XmlUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.xml.sax.SAXException;
+
+import javax.activation.UnsupportedDataTypeException;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerException;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.StringWriter;
+import java.util.Set;
+
+public class XmlUtils {
+
+  private static final Logger LOG = LoggerFactory.getLogger(XmlUtils.class);
+
+  public static String inputCompositeNodeToXml(CompositeNode cNode, SchemaContext schemaContext){
+    if (cNode == null) return new String();
+
+    //Document domTree = NodeUtils.buildShadowDomTree(cNode);
+    Document domTree = null;
+    try {
+      Set<RpcDefinition> rpcs =  schemaContext.getOperations();
+      for(RpcDefinition rpc : rpcs) {
+        if(rpc.getQName().equals(cNode.getNodeType())){
+          domTree = XmlDocumentUtils.toDocument(cNode, rpc.getInput(), XmlDocumentUtils.defaultValueCodecProvider());
+          break;
+        }
+      }
+
+    } catch (UnsupportedDataTypeException e) {
+      LOG.error("Error during translation of CompositeNode to Document", e);
+    }
+    return domTransformer(domTree);
+  }
+
+  public static String outputCompositeNodeToXml(CompositeNode cNode, SchemaContext schemaContext){
+    if (cNode == null) return new String();
+
+    //Document domTree = NodeUtils.buildShadowDomTree(cNode);
+    Document domTree = null;
+    try {
+      Set<RpcDefinition> rpcs =  schemaContext.getOperations();
+      for(RpcDefinition rpc : rpcs) {
+        if(rpc.getQName().equals(cNode.getNodeType())){
+          domTree = XmlDocumentUtils.toDocument(cNode, rpc.getInput(), XmlDocumentUtils.defaultValueCodecProvider());
+          break;
+        }
+      }
+
+    } catch (UnsupportedDataTypeException e) {
+      LOG.error("Error during translation of CompositeNode to Document", e);
+    }
+    return domTransformer(domTree);
+  }
+
+  private static String domTransformer(Document domTree) {
+    StringWriter writer = new StringWriter();
+    try {
+      TransformerFactory tf = TransformerFactory.newInstance();
+      Transformer transformer = tf.newTransformer();
+      transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+      transformer.transform(new DOMSource(domTree), new StreamResult(writer));
+    } catch (TransformerException e) {
+
+      LOG.error("Error during translation of Document to OutputStream", e);
+    }
+    LOG.debug("compositeNodeToXml " + writer.toString());
+
+    return writer.toString();
+  }
+
+  public static CompositeNode xmlToCompositeNode(String xml){
+    if (xml==null || xml.length()==0) return null;
+
+    Node<?> dataTree;
+    try {
+      dataTree = XmlTreeBuilder.buildDataTree(new ByteArrayInputStream(xml.getBytes()));
+    } catch (XMLStreamException e) {
+      LOG.error("Error during building data tree from XML", e);
+      return null;
+    }
+    if (dataTree == null) {
+      LOG.error("data tree is null");
+      return null;
+    }
+    if (dataTree instanceof SimpleNode) {
+      LOG.error("RPC XML was resolved as SimpleNode");
+      return null;
+    }
+    return (CompositeNode) dataTree;
+  }
+
+  public static CompositeNode inputXmlToCompositeNode(QName rpc, String xml,  SchemaContext schemaContext){
+    if (xml==null || xml.length()==0) return null;
+
+    Node<?> dataTree = null;
+    try {
+
+      Document doc = XmlUtil.readXmlToDocument(xml);
+      LOG.debug("xmlToCompositeNode Document is " + xml );
+      Set<RpcDefinition> rpcs =  schemaContext.getOperations();
+      for(RpcDefinition rpcDef : rpcs) {
+        if(rpcDef.getQName().equals(rpc)){
+          dataTree = XmlDocumentUtils.toDomNode(doc.getDocumentElement(), Optional.<DataSchemaNode>of(rpcDef.getInput()), Optional.of(XmlDocumentUtils.defaultValueCodecProvider()));
+          break;
+        }
+      }
+    } catch (SAXException e) {
+      LOG.error("Error during building data tree from XML", e);
+    } catch (IOException e) {
+      LOG.error("Error during building data tree from XML", e);
+    }
+
+    LOG.debug("xmlToCompositeNode " + dataTree.toString());
+    return (CompositeNode) dataTree;
+  }
+}