opendaylight/md-sal/sal-remoterpc-connector/implementation/src/test/java/org/opendaylight/controller/sal/connector/remoterpc/SerilizationTest.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.controller.sal.connector.remoterpc;
   9
  10 import org.junit.Test;
  11 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
  12 import org.opendaylight.yangtools.yang.data.api.Node;
  13 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
  14 import org.opendaylight.yangtools.yang.data.impl.NodeUtils;
  15 import org.opendaylight.yangtools.yang.data.impl.XmlTreeBuilder;
  16 import org.slf4j.Logger;
  17 import org.slf4j.LoggerFactory;
  18 import org.w3c.dom.Document;
  19
  20 import javax.xml.stream.XMLStreamException;
  21 import javax.xml.transform.OutputKeys;
  22 import javax.xml.transform.Transformer;
  23 import javax.xml.transform.TransformerException;
  24 import javax.xml.transform.TransformerFactory;
  25 import javax.xml.transform.dom.DOMSource;
  26 import javax.xml.transform.stream.StreamResult;
  27 import java.io.FileNotFoundException;
  28 import java.io.InputStream;
  29 import java.io.StringWriter;
  30
  31 public class SerilizationTest {
  32
  33   private static final Logger _logger = LoggerFactory.getLogger(SerilizationTest.class);
  34
  35   public void fromXml() {
  36   }
  37
  38   @Test
  39   public void toXml() throws FileNotFoundException {
  40
  41     //InputStream xmlStream = SerilizationTest.class.getResourceAsStream("/FourSimpleChildren.xml");
  42     InputStream xmlStream = SerilizationTest.class.getResourceAsStream("/AddFlow.xml");
  43     StringWriter writer = new StringWriter();
  44
  45     CompositeNode data = loadCompositeNode(xmlStream);
  46     Document domTree = NodeUtils.buildShadowDomTree(data);
  47     try {
  48       TransformerFactory tf = TransformerFactory.newInstance();
  49       Transformer transformer = tf.newTransformer();
  50       transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
  51       //transformer.setOutputProperty(OutputKeys.METHOD, "xml");
  52       //transformer.setOutputProperty(OutputKeys.INDENT, "yes");
  53       //transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
  54       //transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
  55       transformer.transform(new DOMSource(domTree), new StreamResult(writer));
  56     } catch (TransformerException e) {
  57       _logger.error("Error during translation of Document to OutputStream", e);
  58     }
  59
  60     _logger.info("Parsed xml [{}]", writer.toString());
  61   }
  62
  63   // Figure out how to include TestUtils through pom ...was getting errors
  64   private CompositeNode loadCompositeNode(InputStream xmlInputStream) throws FileNotFoundException {
  65     if (xmlInputStream == null) {
  66       throw new IllegalArgumentException();
  67     }
  68     Node<?> dataTree;
  69     try {
  70       dataTree = XmlTreeBuilder.buildDataTree(xmlInputStream);
  71     } catch (XMLStreamException e) {
  72       _logger.error("Error during building data tree from XML", e);
  73       return null;
  74     }
  75     if (dataTree == null) {
  76       _logger.error("data tree is null");
  77       return null;
  78     }
  79     if (dataTree instanceof SimpleNode) {
  80       _logger.error("RPC XML was resolved as SimpleNode");
  81       return null;
  82     }
  83     return (CompositeNode) dataTree;
  84   }
  85 }