Example usage for javax.xml.xpath XPathFactory newInstance

Introduction

In this page you can find the example usage for javax.xml.xpath XPathFactory newInstance.

Prototype

public static XPathFactory newInstance() 

Source Link

Document

Get a new XPathFactory instance using the default object model, #DEFAULT_OBJECT_MODEL_URI , the W3C DOM.

This method is functionally equivalent to:

 newInstance(DEFAULT_OBJECT_MODEL_URI) 

Since the implementation for the W3C DOM is always available, this method will never fail.

Usage

From source file:com.streak.logging.utils.AnalysisUtility.java

public static void fetchCloudStorageUris(String bucketName, String startKey, String endKey,
        HttpRequestFactory requestFactory, List<String> urisToProcess, boolean readSchemas) throws IOException {
    String bucketUri = "http://commondatastorage.googleapis.com/" + bucketName;
    HttpRequest request = requestFactory.buildGetRequest(new GenericUrl(bucketUri + "?marker=" + startKey));
    HttpResponse response = request.execute();

    try {/*from w ww  . jav a  2 s  . c o  m*/
        Document responseDoc = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(response.getContent());
        XPath xPath = XPathFactory.newInstance().newXPath();
        NodeList nodes = (NodeList) xPath.evaluate("//Contents/Key/text()", responseDoc,
                XPathConstants.NODESET);
        for (int i = 0; i < nodes.getLength(); i++) {
            String key = nodes.item(i).getNodeValue();
            if (key.compareTo(endKey) >= 0) {
                break;
            }
            if (key.endsWith(".schema") ^ readSchemas) {
                continue;
            }
            if (readSchemas) {
                key = key.substring(0, key.length() - ".schema".length());
            }
            urisToProcess.add("gs://" + bucketName + "/" + key);
        }
    } catch (SAXException e) {
        throw new IOException("Error parsing cloud storage response", e);
    } catch (ParserConfigurationException e) {
        throw new IOException("Error configuring cloud storage parser", e);
    } catch (XPathExpressionException e) {
        throw new IOException("Error finding keys", e);
    }
}

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From source file:com.orion.utility.XmlConfiguration.java

/**
 * Object constructor/* w w  w .ja v a2  s  .  co  m*/
 * 
 * @author Mathias Van Malderen
 * @param  config The configuration <tt>File</tt>
 * @throws ParserException If there is an error while initializing the parser
 **/
public XmlConfiguration(File config) throws ParserException {

    try {

        this.builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
        this.xpath = XPathFactory.newInstance().newXPath();
        this.document = this.builder.parse(config);

    } catch (IOException | SAXException | ParserConfigurationException e) {
        // Rethrowing our custom exception
        throw new ParserException(
                "Unable to initialize XML configuration parser [ path : " + config.getAbsolutePath() + " ]", e);
    }

}

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From source file:XPathTest.java

public XPathFrame() {
        setTitle("XPathTest");

        JMenu fileMenu = new JMenu("File");
        JMenuItem openItem = new JMenuItem("Open");
        openItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                openFile();//w  w  w  .  jav a  2  s  .  co  m
            }
        });
        fileMenu.add(openItem);

        JMenuItem exitItem = new JMenuItem("Exit");
        exitItem.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                System.exit(0);
            }
        });
        fileMenu.add(exitItem);

        JMenuBar menuBar = new JMenuBar();
        menuBar.add(fileMenu);
        setJMenuBar(menuBar);

        ActionListener listener = new ActionListener() {
            public void actionPerformed(ActionEvent event) {
                evaluate();
            }
        };
        expression = new JTextField(20);
        expression.addActionListener(listener);
        JButton evaluateButton = new JButton("Evaluate");
        evaluateButton.addActionListener(listener);

        typeCombo = new JComboBox(new Object[] { "STRING", "NODE", "NODESET", "NUMBER", "BOOLEAN" });
        typeCombo.setSelectedItem("STRING");

        JPanel panel = new JPanel();
        panel.add(expression);
        panel.add(typeCombo);
        panel.add(evaluateButton);
        docText = new JTextArea(10, 40);
        result = new JTextField();
        result.setBorder(new TitledBorder("Result"));

        add(panel, BorderLayout.NORTH);
        add(new JScrollPane(docText), BorderLayout.CENTER);
        add(result, BorderLayout.SOUTH);

        try {
            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
            builder = factory.newDocumentBuilder();
        } catch (ParserConfigurationException e) {
            JOptionPane.showMessageDialog(this, e);
        }

        XPathFactory xpfactory = XPathFactory.newInstance();
        path = xpfactory.newXPath();
        pack();
    }

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From source file:org.jasig.springframework.security.portlet.authentication.PortletXmlMappableAttributesRetriever.java

/**
 * Loads the portlet.xml file using the configured <tt>ResourceLoader</tt> and
 * parses the role-name elements from it, using these as the set of <tt>mappableAttributes</tt>.
 *///from   w w  w  . j  a v a  2 s.c  o m
public void afterPropertiesSet() throws Exception {
    Resource portletXml = resourceLoader.getResource("/WEB-INF/portlet.xml");
    Document doc = getDocument(portletXml.getInputStream());

    final XPathExpression roleNamesExpression;
    if (portletConfig == null) {
        final XPathFactory xPathFactory = XPathFactory.newInstance();

        final XPath xPath = xPathFactory.newXPath();
        roleNamesExpression = xPath.compile("/portlet-app/portlet/security-role-ref/role-name");
    } else {
        final XPathFactory xPathFactory = XPathFactory.newInstance();
        xPathFactory.setXPathVariableResolver(new XPathVariableResolver() {
            @Override
            public Object resolveVariable(QName variableName) {
                if ("portletName".equals(variableName.getLocalPart())) {
                    return portletConfig.getPortletName();
                }

                return null;
            }
        });
        final XPath xPath = xPathFactory.newXPath();
        roleNamesExpression = xPath
                .compile("/portlet-app/portlet[portlet-name=$portletName]/security-role-ref/role-name");
    }

    final NodeList securityRoles = (NodeList) roleNamesExpression.evaluate(doc, XPathConstants.NODESET);
    final Set<String> roleNames = new HashSet<String>();

    for (int i = 0; i < securityRoles.getLength(); i++) {
        Element secRoleElt = (Element) securityRoles.item(i);
        String roleName = secRoleElt.getTextContent().trim();
        roleNames.add(roleName);
        logger.info("Retrieved role-name '" + roleName + "' from portlet.xml");
    }

    if (roleNames.isEmpty()) {
        logger.info("No security-role-ref elements found in " + portletXml
                + (portletConfig == null ? "" : " for portlet " + portletConfig.getPortletName()));
    }

    mappableAttributes = Collections.unmodifiableSet(roleNames);
}

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From source file:com.esri.geoportal.harvester.migration.MigrationDataBuilder.java

private URI createBrokerUri(MigrationData data) throws URISyntaxException {
    MigrationHarvestSite site = data.siteuuid != null ? sites.get(data.siteuuid) : null;
    if (site != null) {
        String type = StringUtils.trimToEmpty(site.type).toUpperCase();
        switch (type) {
        case "WAF":
            return new URI("WAF", escapeUri(site.host), null);
        case "CKAN":
            return new URI("CKAN", escapeUri(site.host), null);
        case "ARCGIS": {
            int rsIdx = site.host.toLowerCase().indexOf("/rest/services");
            String host = rsIdx >= 0 ? site.host.substring(0, rsIdx) : site.host;
            return new URI("AGS", escapeUri(host), null);
        }//from www.j a  va  2 s  .c  o m
        case "CSW":
            try {
                Document doc = strToDom(site.protocol);
                XPath xPath = XPathFactory.newInstance().newXPath();
                String protocolId = (String) xPath.evaluate("/protocol[@type='CSW']/profile", doc,
                        XPathConstants.STRING);
                URL host = new URL(site.host);
                host = new URL(host.getProtocol(), host.getHost(), host.getPort(), host.getPath());
                return new URI("CSW", host.toExternalForm(), protocolId);
            } catch (Exception ex) {
            }
        }
    }
    return brokerUri;
}

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From source file:com.greglturnquist.springagram.fileservice.s3.FileService.java

/**
 * Parse the {@link AmazonS3Exception} error result to capture the endpoint for
 * redirection./* w  w w .  j  av  a 2 s. c o  m*/
 *
 * @param e
 */
private void updateEndpoint(AmazonS3Exception e) {

    try {
        Document errorResponseDoc = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new StringInputStream(e.getErrorResponseXml()));

        XPathExpression endpointXpathExtr = XPathFactory.newInstance().newXPath().compile("/Error/Endpoint");

        this.s3Client.setEndpoint(endpointXpathExtr.evaluate(errorResponseDoc));
    } catch (Exception ex) {
        throw new RuntimeException(e);
    }
}

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From source file:com.tranek.chivalryserverbrowser.XMLData2.java

/**
 * Returns the XML data for the element specified by the given XPath
 *
 * @param path The XPath to get the XML data for
 * @return The element with the given XPath
 *///w  ww  . j  a va2  s. c  o  m
public XMLData2 getXPath(String path) {
    if (xpath == null) {
        xpath = XPathFactory.newInstance().newXPath();
    }

    try {
        return new XMLData2((Element) xpath.evaluate(path, this.root, XPathConstants.NODE));
    } catch (XPathExpressionException e) {
        return null;
    }
}

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From source file:org.ambraproject.search.service.DummySOLRMessageSender.java

private Node XPathSingleNodeQuery(Document dom, String statement) throws XPathExpressionException {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    XPathExpression expr = xpath.compile(statement);

    return (Node) expr.evaluate(dom, XPathConstants.NODE);
}

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From source file:org.openmrs.module.dhisreport.api.dxf2.DataValueSetTest.java

protected String xpathTest(String xpathString, String xml) throws XPathExpressionException {
    InputSource source = new InputSource(new StringReader(xml));
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    xpath.setNamespaceContext(new Dxf2NamespaceResolver());

    return (String) xpath.evaluate(xpathString, source);
}

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From source file:edu.lternet.pasta.common.EmlUtility.java

/**
 * Returns the packageId of the provided EML document without parsing it
 * (the packageId). If the document does not contain the attribute
 * {@code //@packageId}, or if it does not have a value, an empty string
 * is returned./*  w ww  .  j av  a  2  s .  c  om*/
 *
 * @param emlDocument
 *            an EML document.
 *
 * @return the packageId contained in the provided EML document.
 */
public static String getRawEmlPackageId(Document emlDocument) {

    try {

        XPath xpath = XPathFactory.newInstance().newXPath();
        return xpath.evaluate("//@packageId", emlDocument);

    } catch (XPathExpressionException e) {
        throw new IllegalStateException(e); // Should never be reached
    }

}

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