Example usage for javax.xml.xpath XPathExpression evaluate

List of usage examples for javax.xml.xpath XPathExpression evaluate

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Introduction

In this page you can find the example usage for javax.xml.xpath XPathExpression evaluate.

Prototype

public Object evaluate(InputSource source, QName returnType) throws XPathExpressionException;

Source Link

Document

Evaluate the compiled XPath expression in the context of the specified InputSource and return the result as the specified type.

Usage

From source file:com.photon.phresco.impl.WindowsApplicationProcessor.java

private static void deleteFeature(File sourceFolderLocation, List<ArtifactGroup> deletedFeatures)
        throws PhrescoException {
    try {/*ww  w  .jav a 2 s .co  m*/
        File path = new File(sourceFolderLocation + File.separator + SOURCE_DIR + File.separator + SRC_DIR
                + File.separator + PROJECT_ROOT + File.separator + PROJECT_ROOT + CSPROJ_FILE);
        if (!path.exists() && CollectionUtils.isNotEmpty(deletedFeatures)) {
            return;
        }
        DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
        docFactory.setNamespaceAware(false);
        DocumentBuilder docBuilder = docFactory.newDocumentBuilder();
        Document doc = docBuilder.parse(path);
        for (ArtifactGroup deleteFeature : deletedFeatures) {
            String feature = deleteFeature.getName();
            feature = "//Reference[@Include='" + feature + "']";
            XPath xpath = XPathFactory.newInstance().newXPath();
            javax.xml.xpath.XPathExpression expr = xpath.compile(feature);
            Object result = expr.evaluate(doc, XPathConstants.NODESET);
            NodeList nodes = (NodeList) result;
            for (int i = 0; i < nodes.getLength(); i++) {
                Node item = nodes.item(i).getParentNode();
                item.getParentNode().removeChild(item);
            }
        }

        TransformerFactory transformerFactory = TransformerFactory.newInstance();
        Transformer transformer = transformerFactory.newTransformer();
        DOMSource source = new DOMSource(doc);
        StreamResult result = new StreamResult(path.toURI().getPath());
        transformer.transform(source, result);

    } catch (XPathExpressionException e) {
        throw new PhrescoException(e);
    } catch (DOMException e) {
        throw new PhrescoException(e);
    } catch (ParserConfigurationException e) {
        throw new PhrescoException(e);
    } catch (SAXException e) {
        throw new PhrescoException(e);
    } catch (IOException e) {
        throw new PhrescoException(e);
    } catch (TransformerConfigurationException e) {
        throw new PhrescoException(e);
    } catch (TransformerException e) {
        throw new PhrescoException(e);
    }
}

From source file:kevin.gvmsgarch.App.java

static String extractInboxJson(String authToken, Worker.ListLocation location, int page)
        throws ParserConfigurationException, IOException, SAXException, XPathExpressionException {
    String pageData = "";
    try {//from  w  ww.  j a v a2s . com
        pageData = App.getInboxPage(authToken, location, page);
        Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(new ByteArrayInputStream(pageData.getBytes()));
        XPathExpression xpr = XPathFactory.newInstance().newXPath().compile("/response/json");
        NodeList nl = (NodeList) xpr.evaluate(doc, XPathConstants.NODESET);
        Node n = nl.item(0);
        return n.getTextContent();
    } catch (Exception ex) {
        throw new RuntimeException("Page data for error:\n\n" + pageData + "\n\n", ex);
    }
}

From source file:Main.java

public static Element[] getElements(Element parent, String expression) {

    boolean isSimple = true;
    for (int i = 0; i < expression.length(); i++) {
        if (!Character.isAlphabetic(expression.charAt(i))) {
            isSimple = false;//from  www .jav a  2 s.  c o  m
            break;
        }
    }

    if (isSimple) {
        return getDirectElements(parent, expression);
    } else {
        try {
            XPathExpression xquery;
            if (cache.containsKey(expression)) {
                xquery = cache.get(expression);
            } else {
                xquery = xpath.compile(expression);
                cache.put(expression, xquery);
            }

            return itemsOf((NodeList) xquery.evaluate(parent, XPathConstants.NODESET));
        } catch (XPathExpressionException ex) {
            return null;
        }
    }
}

From source file:com.ephesoft.dcma.util.OCREngineUtil.java

private static void setWordNodeTextContent(XPathExpression xOcrWordExpr, XPathExpression ocrXWordExpr,
        NodeList wordList, int wordNodeIndex) throws XPathExpressionException {
    Node wordNode = wordList.item(wordNodeIndex);
    if (wordNode != null) {
        Node word = (Node) xOcrWordExpr.evaluate(wordNode, XPathConstants.NODE);
        if (word != null) {
            wordNode.setTextContent(word.getTextContent());
        } else {/*from w  w w  .  jav  a 2 s .c  o m*/
            word = (Node) ocrXWordExpr.evaluate(wordNode, XPathConstants.NODE);
            if (word != null) {
                wordNode.setTextContent(word.getTextContent());
            }
        }
    }
}

From source file:com.jaeksoft.searchlib.util.XPathParser.java

final public static Object evaluate(final Node parentNode, final XPathExpression xPathExpression)
        throws XPathExpressionException {
    XPathExpressionException lastError = null;
    for (QName qname : RETURN_TYPES) {
        try {/*  www  . jav a  2  s . co m*/
            Object result = xPathExpression.evaluate(parentNode, qname);
            if (result != null)
                return result;
        } catch (XPathExpressionException e) {
            lastError = e;
        }
    }
    if (lastError != null)
        throw lastError;
    return null;
}

From source file:com.impetus.ankush.common.utils.NmapUtil.java

/**
 * @throws ParserConfigurationException//from   ww  w  . java 2 s  .  c  om
 * @throws SAXException
 * @throws IOException
 * @throws XPathExpressionException
 */
private static Map<String, String> getHostIPMapping(String filePath)
        throws ParserConfigurationException, SAXException, IOException, XPathExpressionException {
    // loading the XML document from a file
    DocumentBuilderFactory builderfactory = DocumentBuilderFactory.newInstance();
    builderfactory.setNamespaceAware(true);

    DocumentBuilder builder = builderfactory.newDocumentBuilder();
    File file = new File(filePath);
    Document xmlDocument = builder.parse(file);

    XPathFactory factory = javax.xml.xpath.XPathFactory.newInstance();
    XPath xPath = factory.newXPath();

    // getting the name of the book having an isbn number == ABCD7327923
    XPathExpression hostXpath = xPath.compile("//host");

    XPathExpression ipXpath = xPath.compile("address[@addrtype='ipv4']/@addr");

    XPathExpression hostNameXpath = xPath.compile("hostnames/hostname[@type='user']/@name");

    NodeList nodeListHost = (NodeList) hostXpath.evaluate(xmlDocument, XPathConstants.NODESET);

    Map<String, String> hostIpMapping = new HashMap<String, String>();
    for (int index = 0; index < nodeListHost.getLength(); index++) {
        String ip = (String) ipXpath.evaluate(nodeListHost.item(index), XPathConstants.STRING);
        String host = (String) hostNameXpath.evaluate(nodeListHost.item(index), XPathConstants.STRING);

        hostIpMapping.put(host, ip);

    }
    // deleting the temporary xml file.
    FileUtils.deleteQuietly(file);
    return hostIpMapping;
}

From source file:com.amalto.core.storage.hibernate.DefaultStorageClassLoader.java

private static void setPropertyValue(Document document, String propertyName, String value)
        throws XPathExpressionException {
    XPathExpression compile = pathFactory
            .compile("hibernate-configuration/session-factory/property[@name='" + propertyName + "']"); //$NON-NLS-1$ //$NON-NLS-2$
    Node node = (Node) compile.evaluate(document, XPathConstants.NODE);
    if (node != null) {
        node.setTextContent(value);//ww  w  .j  av a2 s  .c  om
    } else {
        XPathExpression parentNodeExpression = pathFactory.compile("hibernate-configuration/session-factory"); //$NON-NLS-1$
        Node parentNode = (Node) parentNodeExpression.evaluate(document, XPathConstants.NODE);
        // Create a new property element for this datasource-specified property (TMDM-4927).
        Element property = document.createElement("property"); //$NON-NLS-1$
        Attr propertyNameAttribute = document.createAttribute("name"); //$NON-NLS-1$
        property.setAttributeNode(propertyNameAttribute);
        propertyNameAttribute.setValue(propertyName);
        property.setTextContent(value);
        parentNode.appendChild(property);
    }
}

From source file:org.jboss.seam.forge.shell.util.PluginUtil.java

public static File downloadPlugin(final PluginRef ref, final PipeOut out, final String targetPath)
        throws Exception {
    DefaultHttpClient client = new DefaultHttpClient();

    String[] artifactParts = ref.getArtifact().split(":");

    if (artifactParts.length != 3) {
        throw new RuntimeException("malformed artifact identifier "
                + "(format should be: <maven.group>:<maven.artifact>:<maven.version>) encountered: "
                + ref.getArtifact());//from ww w  .j  a  v a2  s  .co m
    }

    String packageLocation = artifactParts[0].replaceAll("\\.", "/");
    String baseUrl;
    if (ref.getHomeRepo().endsWith("/")) {
        baseUrl = ref.getHomeRepo() + packageLocation + "/" + artifactParts[1] + "/" + artifactParts[2];
    } else {
        baseUrl = ref.getHomeRepo() + "/" + packageLocation + "/" + artifactParts[1] + "/" + artifactParts[2];
    }

    HttpGet httpGetManifest = new HttpGet(baseUrl + "/maven-metadata.xml");
    out.print("Retrieving artifact manifest ... ");

    HttpResponse response = client.execute(httpGetManifest);
    switch (response.getStatusLine().getStatusCode()) {
    case 200:
        out.println("done.");

        Document document = DocumentBuilderFactory.newInstance().newDocumentBuilder()
                .parse(response.getEntity().getContent());

        XPath xpath = XPathFactory.newInstance().newXPath();
        XPathExpression checkSnapshotExpr = xpath.compile("//versioning/snapshot");
        XPathExpression findJar = xpath.compile("//snapshotVersion[extension='jar']/value");

        NodeList list = (NodeList) checkSnapshotExpr.evaluate(document, XPathConstants.NODESET);

        out.print("Reading manifest ... ");

        if (list.getLength() != 0) {

            Node n = (Node) findJar.evaluate(document, XPathConstants.NODE);

            if (n == null) {
                out.println("failed: could not determine where to find jar file.");
                return null;
            }

            String version = n.getFirstChild().getTextContent();

            // plugin definition points to a snapshot.
            out.println("good! (maven snapshot found): " + version);

            String fileName = artifactParts[1] + "-" + version + ".jar";

            HttpGet jarGet = new HttpGet(baseUrl + "/" + fileName);

            out.print("Downloading: " + baseUrl + "/" + fileName + " ... ");
            response = client.execute(jarGet);

            try {
                File file = saveFile(targetPath + "/" + fileName, response.getEntity().getContent());
                out.println("done.");
                return file;
            } catch (IOException e) {
                out.println("failed to download: " + e.getMessage());
                return null;
            }

            // do download of snapshot.
        } else {
            out.println("error! (maven snapshot not found)");
            return null;
        }

    case 404:
        String requestUrl = baseUrl + "/" + artifactParts[2] + ".pom";
        httpGetManifest = new HttpGet(requestUrl);
        response = client.execute(httpGetManifest);

        if (response.getStatusLine().getStatusCode() != 200) {
            printError(response.getStatusLine().getStatusCode(), requestUrl, out);
            return null;
        } else {

            // download regular POM here.

        }
        break;
    default:
        out.println("failed! (server returned status code: " + response.getStatusLine().getStatusCode());
        return null;
    }

    return null;

}

From source file:gov.nih.nci.lmp.mimGpml.CommonHelper.java

/**
 * Gets the MIM-Vis XML object by ID./*from   w  w w . j  av  a 2 s .  c  o m*/
 * 
 * TODO: It does not appear possible to use the Saxon engine to process
 * XPath queries within Pathvisio; the plugin fails to load. The approach
 * taken instead relies on JDOM/Jaxen to process XPath.
 * 
 * @param doc
 *            the doc
 * @param elemId
 *            the element id
 * @return the vis xml object by id
 */
public static XmlObject getVisXmlObjectById(DiagramDocument doc, String elemId) {

    // TODO: Account for bioId
    // String queryExpression =
    // "/mimVis:Diagram/mimVis:InteractionGlyph[@visId='" + elemId + "']";
    String queryExpression = "//*[@visId='" + elemId + "']";

    Logger.log.debug("elemId:" + elemId);
    Logger.log.debug("queryExpression:" + queryExpression);

    try {
        org.w3c.dom.Document wDoc = (org.w3c.dom.Document) doc.getDomNode();
        javax.xml.xpath.XPathFactory factory = XPathFactory.newInstance();
        javax.xml.xpath.XPath wXpath = factory.newXPath();
        javax.xml.xpath.XPathExpression expr = wXpath.compile(queryExpression);

        Object result = expr.evaluate(wDoc, javax.xml.xpath.XPathConstants.NODESET);
        org.w3c.dom.NodeList nodes = (org.w3c.dom.NodeList) result;

        Logger.log.debug("NodeList size: " + nodes.getLength());

        /**
         * If the size is not one, then there is a duplicate key issue that
         * needs to be dealt with. Treat it as an error and return null.
         */
        if (nodes.getLength() == 1) {
            XmlObject xmlObj = XmlObject.Factory.parse(nodes.item(0));
            Logger.log.debug("glyph.xmlText: " + xmlObj.xmlText(getXmlOptions()));

            // Logger.log.debug("doc.xmlText: " +
            // doc.xmlText(getXmlOptions()));

            String elemStr = xmlObj.xmlText(getXmlOptions());

            Logger.log.debug("getVisXmlObjectById XML String:" + elemStr);

            /**
             * Sample of the way an XML fragment is represented with
             * <xml-fragment> tags. This necessitates a modification from
             * the nodes returned by selectNodes.
             * 
             * <xml-fragment mimVis:visId="ca53d" mimVis:displayName="CAMK"
             * centerX="166.0" centerY="167.0" mimVis:width="80.0"
             * mimVis:height="20.0"
             * xmlns:mimVis="http://lmp.nci.nih.gov/mim/mimVisLevel1">
             * <mimVis:mimBioRef>b9044</mimVis:mimBioRef></xml-fragment>
             */
            // Pattern/matcher
            Pattern mimStartElemTag = Pattern.compile("mimVis:[A-Z][A-Za-z]+");
            Matcher matcherStart = mimStartElemTag.matcher(elemStr);

            // System.out.println("matcherStart count: "
            // + matcherStart.groupCount());

            String match = null;

            // Find all matches
            while (matcherStart.find()) {
                // Get the matching string
                match = matcherStart.group();
                // System.out.println("matcherStart.group(): "
                // + matcherStart.group());
            }

            final int prefixLength = "mimVis:".length();

            // String localPart = xmlFrag + "Type";
            String localPart = match.substring(prefixLength) + "Type";

            // Match: mimVis:SimplePhysicalEntityGlyph
            // SPE URI QName: http://lmp.nci.nih.gov/mim/mimVisLevel1
            // SPE Local QName: SimplePhysicalEntityGlyphType

            QName objQName = new QName(MIM_VIS_NS, localPart);

            SchemaTypeLoader schemaTypeLoader = XmlBeans.getContextTypeLoader();
            SchemaType objType = schemaTypeLoader.findType(objQName);

            XmlOptions opts = new XmlOptions();
            opts.setLoadReplaceDocumentElement(null);

            /**
             * Taken from the XMLBeans autogenerated code of a XSD complex
             * type. For parsing a XML fragment given the SchemaType.
             */
            xmlObj = XmlBeans.getContextTypeLoader().parse(elemStr, objType, opts);

            return xmlObj;
        } else {
            Logger.log.info("ERROR: Most likely a duplicate ID.");
        }
    } catch (XmlException e) {
        e.printStackTrace();
    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:com.twentyn.patentExtractor.PatentDocument.java

/**
 * Extracts the text content from text fields in a patent XML document.
 *
 * @param docBuilder A document builder to use when constructing intermediate XML/HTML documents in the extraction
 *                   process.// www  .  j  a v  a 2  s.  co m
 * @param paths      A list of XPath paths from which to exactract text.
 * @param xpath      An XPath instance to use when running XPath queries.
 * @param doc        The XML document from which to extract text.
 * @return A list of strings representing the textual content of the document.  These could be sentences,
 * paragraphs, or larger text units, but should represent some sort of structure in the document's text.
 * @throws ParserConfigurationException
 * @throws TransformerConfigurationException
 * @throws TransformerException
 * @throws XPathExpressionException
 */
private static List<String> getRelevantDocumentText(DocumentBuilder docBuilder, String[] paths, XPath xpath,
        Document doc) throws ParserConfigurationException, TransformerConfigurationException,
        TransformerException, XPathExpressionException {
    List<String> allTextList = new ArrayList<>(0);
    for (String path : paths) {
        XPathExpression exp = xpath.compile(path);
        NodeList textNodes = (NodeList) exp.evaluate(doc, XPathConstants.NODESET);
        allTextList.addAll(extractTextFromHTML(docBuilder, textNodes));
    }

    return allTextList;
}