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

Example 31 with DocumentBuilderFactory

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

the class TestConfServlet method testWriteXml.

@Test
public void testWriteXml() throws Exception {
    StringWriter sw = new StringWriter();
    ConfServlet.writeResponse(getTestConf(), sw, "xml");
    String xml = sw.toString();
    DocumentBuilderFactory docBuilderFactory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = docBuilderFactory.newDocumentBuilder();
    Document doc = builder.parse(new InputSource(new StringReader(xml)));
    NodeList nameNodes = doc.getElementsByTagName("name");
    boolean foundSetting = false;
    for (int i = 0; i < nameNodes.getLength(); i++) {
        Node nameNode = nameNodes.item(i);
        String key = nameNode.getTextContent();
        System.err.println("xml key: " + key);
        if (TEST_KEY.equals(key)) {
            foundSetting = true;
            Element propertyElem = (Element) nameNode.getParentNode();
            String val = propertyElem.getElementsByTagName("value").item(0).getTextContent();
            assertEquals(TEST_VAL, val);
        }
    }
    assertTrue(foundSetting);
}

Example 32 with DocumentBuilderFactory

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

the class GenHiveTemplate method generateTemplate.

private Document generateTemplate() throws Exception {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    DocumentBuilder docBuilder = dbf.newDocumentBuilder();
    Document doc = docBuilder.newDocument();
    doc.appendChild(doc.createProcessingInstruction("xml-stylesheet", "type=\"text/xsl\" href=\"configuration.xsl\""));
    doc.appendChild(doc.createComment("\n" + "   Licensed to the Apache Software Foundation (ASF) under one or more\n" + "   contributor license agreements.  See the NOTICE file distributed with\n" + "   this work for additional information regarding copyright ownership.\n" + "   The ASF licenses this file to You under the Apache License, Version 2.0\n" + "   (the \"License\"); you may not use this file except in compliance with\n" + "   the License.  You may obtain a copy of the License at\n" + "\n" + "       http://www.apache.org/licenses/LICENSE-2.0\n" + "\n" + "   Unless required by applicable law or agreed to in writing, software\n" + "   distributed under the License is distributed on an \"AS IS\" BASIS,\n" + "   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n" + "   See the License for the specific language governing permissions and\n" + "   limitations under the License.\n"));
    Element root = doc.createElement("configuration");
    doc.appendChild(root);
    root.appendChild(doc.createComment(" WARNING!!! This file is auto generated for documentation purposes ONLY! "));
    root.appendChild(doc.createComment(" WARNING!!! Any changes you make to this file will be ignored by Hive.   "));
    root.appendChild(doc.createComment(" WARNING!!! You must make your changes in hive-site.xml instead.         "));
    root.appendChild(doc.createComment(" Hive Execution Parameters "));
    Thread.currentThread().setContextClassLoader(ShimLoader.class.getClassLoader());
    for (HiveConf.ConfVars confVars : HiveConf.ConfVars.values()) {
        if (confVars.isExcluded()) {
            // thought of creating template for each shims, but I couldn't generate proper mvn script
            continue;
        }
        Element property = appendElement(root, "property", null);
        appendElement(property, "name", confVars.varname);
        appendElement(property, "value", confVars.getDefaultExpr());
        appendElement(property, "description", normalize(confVars.getDescription()));
    // wish to add new line here.
    }
    return doc;
}

Example 33 with DocumentBuilderFactory

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

the class WebdavStatus method getDocumentBuilder.

// ------------------------------------------------------ Protected Methods
/**
     * Return JAXP document builder instance.
     * @return the document builder
     * @throws ServletException document builder creation failed
     *  (wrapped <code>ParserConfigurationException</code> exception)
     */
protected DocumentBuilder getDocumentBuilder() throws ServletException {
    DocumentBuilder documentBuilder = null;
    DocumentBuilderFactory documentBuilderFactory = null;
    try {
        documentBuilderFactory = DocumentBuilderFactory.newInstance();
        documentBuilderFactory.setNamespaceAware(true);
        documentBuilderFactory.setExpandEntityReferences(false);
        documentBuilder = documentBuilderFactory.newDocumentBuilder();
        documentBuilder.setEntityResolver(new WebdavResolver(this.getServletContext()));
    } catch (ParserConfigurationException e) {
        throw new ServletException(sm.getString("webdavservlet.jaxpfailed"));
    }
    return documentBuilder;
}

Example 34 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project checkstyle by checkstyle.

the class CheckUtil method getCheckStyleModulesReferencedInConfig.

/**
     * Gets a set of names of checkstyle's checks which are referenced in checkstyle_checks.xml.
     *
     * @param configFilePath
     *            file path of checkstyle_checks.xml.
     * @return names of checkstyle's checks which are referenced in checkstyle_checks.xml.
     */
private static Set<String> getCheckStyleModulesReferencedInConfig(String configFilePath) {
    try {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        // Validations of XML file make parsing too slow, that is why we
        // disable all validations.
        factory.setNamespaceAware(false);
        factory.setValidating(false);
        factory.setFeature("http://xml.org/sax/features/namespaces", false);
        factory.setFeature("http://xml.org/sax/features/validation", false);
        factory.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
        factory.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
        final DocumentBuilder builder = factory.newDocumentBuilder();
        final Document document = builder.parse(new File(configFilePath));
        // optional, but recommended
        // FYI:
        // http://stackoverflow.com/questions/13786607/normalization-in-dom-parsing-with-java-
        // how-does-it-work
        document.getDocumentElement().normalize();
        final NodeList nodeList = document.getElementsByTagName("module");
        final Set<String> checksReferencedInCheckstyleChecksXml = new HashSet<>();
        for (int i = 0; i < nodeList.getLength(); i++) {
            final Node currentNode = nodeList.item(i);
            if (currentNode.getNodeType() == Node.ELEMENT_NODE) {
                final Element module = (Element) currentNode;
                final String checkName = module.getAttribute("name");
                checksReferencedInCheckstyleChecksXml.add(checkName);
            }
        }
        return checksReferencedInCheckstyleChecksXml;
    } catch (Exception exception) {
        throw new IllegalStateException(exception);
    }
}

Example 35 with DocumentBuilderFactory

use of javax.xml.parsers.DocumentBuilderFactory in project checkstyle by checkstyle.

the class XmlUtil method getRawXml.

public static Document getRawXml(String fileName, String code, String unserializedSource) throws ParserConfigurationException {
    try {
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setValidating(false);
        factory.setNamespaceAware(true);
        final DocumentBuilder builder = factory.newDocumentBuilder();
        return builder.parse(new InputSource(new StringReader(code)));
    } catch (IOException | SAXException ex) {
        Assert.fail(fileName + " has invalid xml (" + ex.getMessage() + "): " + unserializedSource);
    }
    return null;
}