--- /dev/null
+/*
+ * 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.utils;
+
+import com.google.common.base.Optional;
+import org.opendaylight.controller.netconf.util.xml.XmlUtil;
+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.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
+import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
+import org.opendaylight.yangtools.yang.data.impl.XmlTreeBuilder;
+import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
+import org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlCodecProvider;
+import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
+import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
+
+import javax.activation.UnsupportedDataTypeException;
+import javax.annotation.Nonnull;
+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.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * Common XML-related utility methods, which are not specific to a particular
+ * JAXP API.
+ */
+public class XmlUtils {
+
+ public static final XmlCodecProvider DEFAULT_XML_CODEC_PROVIDER = new XmlCodecProvider() {
+ @Override
+ public TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codecFor(final TypeDefinition<?> baseType) {
+ return TypeDefinitionAwareCodec.from(baseType);
+ }
+ };
+
+ private 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 = null;
+ try {
+ Set<RpcDefinition> rpcs = schemaContext.getOperations();
+ for(RpcDefinition rpc : rpcs) {
+ if(rpc.getQName().equals(cNode.getNodeType())){
+ CompositeNode inputContainer = cNode.getFirstCompositeByName(QName.create(cNode.getNodeType(), "input"));
+ domTree = XmlDocumentUtils.toDocument(inputContainer, 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 = null;
+ try {
+ Set<RpcDefinition> rpcs = schemaContext.getOperations();
+ for(RpcDefinition rpc : rpcs) {
+ if(rpc.getQName().equals(cNode.getNodeType())){
+ domTree = XmlDocumentUtils.toDocument(cNode, rpc.getOutput(), 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;
+
+ CompositeNode compositeNode = 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)){
+ QName input = rpcDef.getInput().getQName();
+ Element xmlData = (Element) doc.getElementsByTagNameNS(input.getNamespace().toString(), "input").item(0);
+ List<Node<?>> dataNodes = XmlDocumentUtils.toDomNodes(xmlData,
+ Optional.of(rpcDef.getInput().getChildNodes()), schemaContext);
+ final CompositeNodeBuilder<ImmutableCompositeNode> it = ImmutableCompositeNode.builder();
+ it.setQName(input);
+ it.add(ImmutableCompositeNode.create(input, dataNodes));
+ compositeNode = it.toInstance();
+ 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 " + compositeNode.toString());
+ return compositeNode;
+ }
+
+ public static TypeDefinition<?> resolveBaseTypeFrom(final @Nonnull TypeDefinition<?> type) {
+ TypeDefinition<?> superType = type;
+ while (superType.getBaseType() != null) {
+ superType = superType.getBaseType();
+ }
+ return superType;
+ }
+
+ static String encodeIdentifier(final RandomPrefix prefixes, final YangInstanceIdentifier id) {
+ StringBuilder textContent = new StringBuilder();
+ for (PathArgument pathArgument : id.getPathArguments()) {
+ textContent.append('/');
+ textContent.append(prefixes.encodeQName(pathArgument.getNodeType()));
+ if (pathArgument instanceof NodeIdentifierWithPredicates) {
+ Map<QName, Object> predicates = ((NodeIdentifierWithPredicates) pathArgument).getKeyValues();
+
+ for (QName keyValue : predicates.keySet()) {
+ Object value = predicates.get(keyValue);
+ String type = value.getClass().getName();
+ String predicateValue = String.valueOf(value);
+ textContent.append('[');
+ textContent.append(prefixes.encodeQName(keyValue));
+ textContent.append("='");
+ textContent.append(predicateValue);
+ textContent.append("@");
+ textContent.append(type);
+ textContent.append("']");
+ }
+ } else if (pathArgument instanceof NodeWithValue) {
+ textContent.append("[.='");
+ textContent.append(((NodeWithValue) pathArgument).getValue());
+ textContent.append("']");
+ }
+ }
+
+ return textContent.toString();
+ }
+}
Code Review / controller.git / blobdiff