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

   1 package org.opendaylight.controller.sal.connector.remoterpc;
   2
   3 import org.junit.Test;
   4 import org.opendaylight.yangtools.yang.data.api.CompositeNode;
   5 import org.opendaylight.yangtools.yang.data.api.Node;
   6 import org.opendaylight.yangtools.yang.data.api.SimpleNode;
   7 import org.opendaylight.yangtools.yang.data.impl.NodeUtils;
   8 import org.opendaylight.yangtools.yang.data.impl.XmlTreeBuilder;
   9 import org.slf4j.Logger;
  10 import org.slf4j.LoggerFactory;
  11 import org.w3c.dom.Document;
  12
  13 import javax.xml.stream.XMLStreamException;
  14 import javax.xml.transform.OutputKeys;
  15 import javax.xml.transform.Transformer;
  16 import javax.xml.transform.TransformerException;
  17 import javax.xml.transform.TransformerFactory;
  18 import javax.xml.transform.dom.DOMSource;
  19 import javax.xml.transform.stream.StreamResult;
  20 import java.io.FileNotFoundException;
  21 import java.io.InputStream;
  22 import java.io.StringWriter;
  23
  24 public class SerilizationTest {
  25
  26   private static final Logger _logger = LoggerFactory.getLogger(SerilizationTest.class);
  27
  28   public void fromXml() {
  29   }
  30
  31   @Test
  32   public void toXml() throws FileNotFoundException {
  33
  34     InputStream xmlStream = SerilizationTest.class.getResourceAsStream("/FourSimpleChildren.xml");
  35     StringWriter writer = new StringWriter();
  36
  37     CompositeNode data = loadCompositeNode(xmlStream);
  38     Document domTree = NodeUtils.buildShadowDomTree(data);
  39     try {
  40       TransformerFactory tf = TransformerFactory.newInstance();
  41       Transformer transformer = tf.newTransformer();
  42       transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
  43       //transformer.setOutputProperty(OutputKeys.METHOD, "xml");
  44       //transformer.setOutputProperty(OutputKeys.INDENT, "yes");
  45       //transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
  46       //transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
  47       transformer.transform(new DOMSource(domTree), new StreamResult(writer));
  48     } catch (TransformerException e) {
  49       _logger.error("Error during translation of Document to OutputStream", e);
  50     }
  51
  52     _logger.info("Parsed xml [{}]", writer.toString());
  53   }
  54
  55   //Note to self:  Stolen from TestUtils
  56   ///Users/alefan/odl/controller4/opendaylight/md-sal/sal-rest-connector/src/test/java/org/opendaylight/controller/sal/restconf/impl/test/TestUtils.java
  57   // Figure out how to include TestUtils through pom ...was getting errors
  58   private CompositeNode loadCompositeNode(InputStream xmlInputStream) throws FileNotFoundException {
  59     if (xmlInputStream == null) {
  60       throw new IllegalArgumentException();
  61     }
  62     Node<?> dataTree;
  63     try {
  64       dataTree = XmlTreeBuilder.buildDataTree(xmlInputStream);
  65     } catch (XMLStreamException e) {
  66       _logger.error("Error during building data tree from XML", e);
  67       return null;
  68     }
  69     if (dataTree == null) {
  70       _logger.error("data tree is null");
  71       return null;
  72     }
  73     if (dataTree instanceof SimpleNode) {
  74       _logger.error("RPC XML was resolved as SimpleNode");
  75       return null;
  76     }
  77     return (CompositeNode) dataTree;
  78   }
  79 }