Examples with DocumentBuilderFactory javax.xml.parsers.DocumentBuilderFactory used on opensource projects

Example 16 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project hadoop by apache.

the class TestQueueConfigurationParser method testQueueConfigurationParser.

/**
 * test xml generation 
 * @throws ParserConfigurationException
 * @throws Exception 
 */
@Test(timeout = 5000)
public void testQueueConfigurationParser() throws ParserConfigurationException, Exception {
    JobQueueInfo info = new JobQueueInfo("root", "rootInfo");
    JobQueueInfo infoChild1 = new JobQueueInfo("child1", "child1Info");
    JobQueueInfo infoChild2 = new JobQueueInfo("child2", "child1Info");
    info.addChild(infoChild1);
    info.addChild(infoChild2);
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
    Document document = builder.newDocument();
    // test QueueConfigurationParser.getQueueElement 
    Element e = QueueConfigurationParser.getQueueElement(document, info);
    // transform result to string for check
    DOMSource domSource = new DOMSource(e);
    StringWriter writer = new StringWriter();
    StreamResult result = new StreamResult(writer);
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer transformer = tf.newTransformer();
    transformer.transform(domSource, result);
    String str = writer.toString();
    assertTrue(str.endsWith("<queue><name>root</name><properties/><state>running</state><queue><name>child1</name><properties/><state>running</state></queue><queue><name>child2</name><properties/><state>running</state></queue></queue>"));
}

Example 17 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project hadoop by apache.

the class QueueConfigurationParser method loadResource.

/**
   * Method to load the resource file.
   * generates the root.
   * 
   * @param resourceInput InputStream that provides the XML to parse
   * @return
   * @throws ParserConfigurationException
   * @throws SAXException
   * @throws IOException
   */
protected Queue loadResource(InputStream resourceInput) throws ParserConfigurationException, SAXException, IOException {
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    //ignore all comments inside the xml file
    docBuilderFactory.setIgnoringComments(true);
    //allow includes in the xml file
    docBuilderFactory.setNamespaceAware(true);
    try {
        docBuilderFactory.setXIncludeAware(true);
    } catch (UnsupportedOperationException e) {
        LOG.info("Failed to set setXIncludeAware(true) for parser " + docBuilderFactory + NAME_SEPARATOR + e);
    }
    DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
    Document doc = null;
    Element queuesNode = null;
    doc = builder.parse(resourceInput);
    queuesNode = doc.getDocumentElement();
    return this.parseResource(queuesNode);
}

Example 18 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project hadoop by apache.

the class TestHsWebServices method verifyHSInfoXML.

public void verifyHSInfoXML(String xml, AppContext ctx) throws JSONException, Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource is = new InputSource();
    is.setCharacterStream(new StringReader(xml));
    Document dom = db.parse(is);
    NodeList nodes = dom.getElementsByTagName("historyInfo");
    assertEquals("incorrect number of elements", 1, nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        verifyHsInfoGeneric(WebServicesTestUtils.getXmlString(element, "hadoopVersionBuiltOn"), WebServicesTestUtils.getXmlString(element, "hadoopBuildVersion"), WebServicesTestUtils.getXmlString(element, "hadoopVersion"), WebServicesTestUtils.getXmlLong(element, "startedOn"));
    }
}

Example 19 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project hadoop by apache.

the class TestRMWithCSRFFilter method verifyClusterInfoXML.

public void verifyClusterInfoXML(String xml) throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource is = new InputSource();
    is.setCharacterStream(new StringReader(xml));
    Document dom = db.parse(is);
    NodeList nodes = dom.getElementsByTagName("clusterInfo");
    assertEquals("incorrect number of elements", 1, nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        verifyClusterGeneric(WebServicesTestUtils.getXmlLong(element, "id"), WebServicesTestUtils.getXmlLong(element, "startedOn"), WebServicesTestUtils.getXmlString(element, "state"), WebServicesTestUtils.getXmlString(element, "haState"), WebServicesTestUtils.getXmlString(element, "haZooKeeperConnectionState"), WebServicesTestUtils.getXmlString(element, "hadoopVersionBuiltOn"), WebServicesTestUtils.getXmlString(element, "hadoopBuildVersion"), WebServicesTestUtils.getXmlString(element, "hadoopVersion"), WebServicesTestUtils.getXmlString(element, "resourceManagerVersionBuiltOn"), WebServicesTestUtils.getXmlString(element, "resourceManagerBuildVersion"), WebServicesTestUtils.getXmlString(element, "resourceManagerVersion"));
    }
}

Example 20 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project hadoop by apache.

the class TestRMWebServices method verifySchedulerFifoXML.

public void verifySchedulerFifoXML(String xml) throws JSONException, Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource is = new InputSource();
    is.setCharacterStream(new StringReader(xml));
    Document dom = db.parse(is);
    NodeList nodesSched = dom.getElementsByTagName("scheduler");
    assertEquals("incorrect number of elements", 1, nodesSched.getLength());
    NodeList nodes = dom.getElementsByTagName("schedulerInfo");
    assertEquals("incorrect number of elements", 1, nodes.getLength());
    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        verifyClusterSchedulerFifoGeneric(WebServicesTestUtils.getXmlAttrString(element, "xsi:type"), WebServicesTestUtils.getXmlString(element, "qstate"), WebServicesTestUtils.getXmlFloat(element, "capacity"), WebServicesTestUtils.getXmlFloat(element, "usedCapacity"), WebServicesTestUtils.getXmlInt(element, "minQueueMemoryCapacity"), WebServicesTestUtils.getXmlInt(element, "maxQueueMemoryCapacity"), WebServicesTestUtils.getXmlInt(element, "numNodes"), WebServicesTestUtils.getXmlInt(element, "usedNodeCapacity"), WebServicesTestUtils.getXmlInt(element, "availNodeCapacity"), WebServicesTestUtils.getXmlInt(element, "totalNodeCapacity"), WebServicesTestUtils.getXmlInt(element, "numContainers"));
    }
}