Example usage for javax.xml.parsers DocumentBuilderFactory setFeature

Introduction

In this page you can find the example usage for javax.xml.parsers DocumentBuilderFactory setFeature.

Prototype

public abstract void setFeature(String name, boolean value) throws ParserConfigurationException;

Source Link

Document

Set a feature for this DocumentBuilderFactory and DocumentBuilder s created by this factory.

Usage

From source file:org.eclipse.lyo.testsuite.server.util.OSLCUtils.java

public static Document createXMLDocFromResponseBody(String respBody)
        throws ParserConfigurationException, IOException, SAXException {
    //Create XML Doc out of response
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);/*from   ww w. j  av  a 2  s . c  o  m*/
    dbf.setValidating(false);
    // Don't load external DTD
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputSource is = new InputSource();
    is.setCharacterStream(new StringReader(respBody));
    return db.parse(is);
}

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From source file:hydrograph.ui.common.util.XMLUtil.java

/**
 * //w w  w .j  a  v a2  s. co m
 * Convert XML string to {@link Document}
 * 
 * @param xmlString
 * @return {@link Document}
 */
public static Document convertStringToDocument(String xmlString) {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder;
    try {
        factory.setFeature(Constants.DISALLOW_DOCTYPE_DECLARATION, true);
        builder = factory.newDocumentBuilder();
        Document doc = builder.parse(new InputSource(new StringReader(xmlString)));

        return doc;
    } catch (ParserConfigurationException | SAXException | IOException e) {
        logger.debug("Unable to convert string to Document", e);
    }
    return null;
}

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From source file:com.google.enterprise.adaptor.experimental.Sim.java

/** Find all record urls in Adaptor created XML metadata-and-url feed file. */
static Set<URL> extractUrls(String xml) throws SAXException, ParserConfigurationException, BadFeed {
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    /* to avoid blowing up on doctype line:
     * http://stackoverflow.com/questions/155101/make-documentbuilder-parse-ignore-dtd-references */
    dbf.setValidating(false);/*from   ww w. jav a  2s .c  om*/
    dbf.setFeature("http://xml.org/sax/features/namespaces", false);
    dbf.setFeature("http://xml.org/sax/features/validation", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    InputStream xmlStream = new ByteArrayInputStream(xml.getBytes(UTF8));
    Document doc;
    try {
        doc = db.parse(xmlStream);
    } catch (IOException ie) {
        throw new BadFeed(ie.getMessage());
    }
    doc.getDocumentElement().normalize();
    NodeList nodes = doc.getElementsByTagName("record");
    Set<URL> tmpUrls = new HashSet<URL>();
    for (int i = 0; i < nodes.getLength(); i++) {
        Element element = (Element) nodes.item(i);
        String url = element.getAttribute("url");
        if (null == url || url.trim().isEmpty()) {
            throw new BadFeed("record without url attribute");
        } else {
            try {
                tmpUrls.add(new URL(url));
            } catch (MalformedURLException male) {
                throw new BadFeed("record with bad url attribute: " + url);
            }
        }
        log.info("accepting url: " + url);
    }
    return tmpUrls;
}

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From source file:com.puppycrawl.tools.checkstyle.AllChecksTest.java

/**
 * 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.
 * @throws ParserConfigurationException if a DocumentBuilder cannot be created which satisfies the configuration requested.
 * @throws IOException if any IO errors occur.
 * @throws SAXException if any parse errors occur.
 *//* w ww.j ava  2  s . c  o  m*/
private static Set<String> getCheckStyleChecksReferencedInConfig(String configFilePath)
        throws ParserConfigurationException, IOException, SAXException {

    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");

    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");
            if (!"Checker".equals(checkName) && !"TreeWalker".equals(checkName)
                    && !"SuppressionFilter".equals(checkName)) {
                checksReferencedInCheckstyleChecksXML.add(checkName);
            }
        }
    }
    return checksReferencedInCheckstyleChecksXML;
}

---

From source file:com.puppycrawl.tools.checkstyle.AllChecksTest.java

/**
 * Gets names of checkstyle's modules which are documented in xdocs.
 * @param xdocsDirectoryPath xdocs directory path.
 * @return a set of checkstyle's modules which have xdoc documentation.
 * @throws ParserConfigurationException if a DocumentBuilder cannot be created which satisfies the configuration requested.
 * @throws IOException if any IO errors occur.
 * @throws SAXException if any parse errors occur.
 *//*from  www  . j  a v a  2 s  . co m*/
private static Set<String> getModulesNamesWhichHaveXdoc(String xdocsDirectoryPath)
        throws ParserConfigurationException, IOException, SAXException {

    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 Set<Path> xdocsFilePaths = getXdocsFilePaths(xdocsDirectoryPath);
    final Set<String> modulesNamesWhichHaveXdoc = new HashSet<>();

    for (Path path : xdocsFilePaths) {
        final DocumentBuilder builder = factory.newDocumentBuilder();
        final Document document = builder.parse(path.toFile());

        // 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("section");

        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 moduleName = module.getAttribute("name");
                if (!"Content".equals(moduleName) && !"Overview".equals(moduleName)) {
                    modulesNamesWhichHaveXdoc.add(moduleName);
                }
            }
        }
    }
    return modulesNamesWhichHaveXdoc;
}

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From source file:io.cloudslang.content.xml.utils.XmlUtils.java

public static void setFeatures(DocumentBuilderFactory reader, String features)
        throws ParserConfigurationException {
    if (StringUtils.isNotBlank(features)) {
        Map featuresMap = parseFeatures(features);

        for (Object o : featuresMap.keySet()) {
            String key = (String) o;
            reader.setFeature(key, (Boolean) featuresMap.get(key));
        }/*  www. j a va 2s  . c o  m*/
    }

}

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From source file:Main.java

/**
 * Configures a {@link DocumentBuilderFactory} to protect it against XML
 * External Entity attacks./*from ww  w  .j  ava2 s.  c  o  m*/
 * @param factory the factory
 * @see <a href=
 * "https://www.owasp.org/index.php/XML_External_Entity_%28XXE%29_Prevention_Cheat_Sheet#Java">
 * XXE Cheat Sheet</a>
 */
public static void applyXXEProtection(DocumentBuilderFactory factory) {
    Map<String, Boolean> features = new HashMap<String, Boolean>();
    features.put("http://apache.org/xml/features/disallow-doctype-decl", true);
    features.put("http://xml.org/sax/features/external-general-entities", false);
    features.put("http://xml.org/sax/features/external-parameter-entities", false);
    features.put("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);

    for (Map.Entry<String, Boolean> entry : features.entrySet()) {
        String feature = entry.getKey();
        Boolean value = entry.getValue();
        try {
            factory.setFeature(feature, value);
        } catch (ParserConfigurationException e) {
            //feature is not supported by the local XML engine, skip it
        }
    }

    factory.setXIncludeAware(false);
    factory.setExpandEntityReferences(false);
}

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From source file:com.netsteadfast.greenstep.base.action.BaseSupportAction.java

private static Map<String, String> loadStrutsConstants(InputStream is) throws Exception {
    if (loadStrutsSettingConstatns != null) {
        return loadStrutsSettingConstatns;
    }/*  www  . j  a v a 2s  .c o m*/
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setFeature("http://xml.org/sax/features/validation", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
    dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
    dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
    dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
    dbf.setValidating(false);
    DocumentBuilder db = dbf.newDocumentBuilder();
    Document doc = db.parse(is);
    NodeList nodes = doc.getElementsByTagName("constant");
    loadStrutsSettingConstatns = new HashMap<String, String>();
    for (int i = 0; nodes != null && i < nodes.getLength(); i++) {
        Node node = nodes.item(i);
        Element nodeElement = (Element) node;
        loadStrutsSettingConstatns.put(nodeElement.getAttribute("name"), nodeElement.getAttribute("value"));
    }
    return loadStrutsSettingConstatns;
}

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From source file:com.bcmcgroup.flare.client.ClientUtil.java

/**
 * Constructs a DocumentBuilder object for XML documents
 *
 * @return DocumentBuilder object with the proper initializations
 *//*from ww  w.j a  v a 2s  .co m*/
public static DocumentBuilder generateDocumentBuilder() {
    try {
        DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
        dbf.setNamespaceAware(true);
        dbf.setIgnoringElementContentWhitespace(true);
        dbf.setIgnoringComments(true);
        dbf.setFeature("http://xml.org/sax/features/external-general-entities", false);
        dbf.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
        dbf.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
        return dbf.newDocumentBuilder();
    } catch (ParserConfigurationException e) {
        logger.error("ParserConfigurationException when attempting to generate a document builder.");
    }
    return null;
}

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From source file:com.github.anba.es6draft.util.Resources.java

/**
 * Reads the xml-structure from {@link Reader} and returns the corresponding {@link Document}.
 *//*from ww  w  . j  av  a 2s.c  om*/
public static Document xml(Reader xml) throws IOException {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

    // turn off any validation or namespace features
    factory.setNamespaceAware(false);
    factory.setValidating(false);
    List<String> features = Arrays.asList("http://xml.org/sax/features/namespaces",
            "http://xml.org/sax/features/validation",
            "http://apache.org/xml/features/nonvalidating/load-dtd-grammar",
            "http://apache.org/xml/features/nonvalidating/load-external-dtd");
    for (String feature : features) {
        try {
            factory.setFeature(feature, false);
        } catch (ParserConfigurationException e) {
            // ignore invalid feature names
        }
    }

    try {
        return factory.newDocumentBuilder().parse(new InputSource(xml));
    } catch (ParserConfigurationException | SAXException e) {
        throw new IOException(e);
    }
}

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