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:org.dawb.passerelle.common.utils.XMLUtils.java

public static Map<String, String> getVariables(final Map<?, ?> variables, final String xmlSource,
        final Map<String, String> scalarSource) throws Exception {

    DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
    docFactory.setNamespaceAware(false); // never forget this!
    docFactory.setValidating(false);/*from w w w  .j a  v a2  s  . c om*/
    DocumentBuilder builder = docFactory.newDocumentBuilder();
    Document doc = null;

    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();

    final Map<String, String> values = new HashMap<String, String>(variables.size());
    for (Object varName : variables.keySet()) {
        final String varValue = (String) variables.get(varName.toString());
        if (varValue == null || "".equals(varValue)) {
            values.put(varName.toString(), scalarSource.get(varName));
            continue;
        }

        if ("/".equals(varValue)) {
            values.put(varName.toString(), xmlSource);
            continue;
        }

        final XPathExpression exp = xpath.compile(varValue);
        if (doc == null)
            doc = builder.parse(new InputSource(new StringReader(xmlSource)));

        final NodeList nodeList = (NodeList) exp.evaluate(doc, XPathConstants.NODESET);
        values.put(varName.toString(), getNodeValue(nodeList));
    }

    // We allow names of variables to expand values of other variables.
    final Map<String, String> all = new HashMap<String, String>(values.size());
    all.putAll(scalarSource);
    all.putAll(values);

    final Map<String, String> ret = new HashMap<String, String>(variables.size());
    final MultiVariableExpander expander = new MultiVariableExpander();
    expander.addSource("$", all);

    // Create a substitutor with the expander
    final VariableSubstitutor substitutor = new VariableSubstitutor(expander);

    for (final String varName : values.keySet()) {

        if (!varName.contains("$")) {
            ret.put(varName, values.get(varName));
        } else {
            ret.put(substitutor.substitute(varName), values.get(varName));
        }
    }

    return ret;
}

From source file:org.dawb.passerelle.common.utils.XMLUtils.java

public static String getXPathValue(IFile file, String xPath) throws Exception {

    DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
    docFactory.setNamespaceAware(false); // never forget this!
    docFactory.setValidating(false);/*  ww  w  .  j a  v a 2 s  .  c  o m*/
    DocumentBuilder builder = docFactory.newDocumentBuilder();

    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    final XPathExpression exp = xpath.compile(xPath);

    Document doc = builder.parse(new InputSource(file.getContents()));

    final NodeList nodeList = (NodeList) exp.evaluate(doc, XPathConstants.NODESET);
    return XMLUtils.getNodeValue(nodeList);
}

From source file:org.dawb.passerelle.common.utils.XMLUtils.java

public static String getXPathValue(File file, String xPath) throws Exception {

    DocumentBuilderFactory docFactory = DocumentBuilderFactory.newInstance();
    docFactory.setNamespaceAware(false); // never forget this!
    docFactory.setValidating(false);/*  ww w .ja v a 2 s . c  o  m*/
    DocumentBuilder builder = docFactory.newDocumentBuilder();

    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    final XPathExpression exp = xpath.compile(xPath);

    Document doc = builder.parse(new InputSource(file.getAbsolutePath()));

    final NodeList nodeList = (NodeList) exp.evaluate(doc, XPathConstants.NODESET);
    return XMLUtils.getNodeValue(nodeList);
}

From source file:org.directwebremoting.drapgen.generate.gi.GiType.java

/**
 * Find implementing functions//  ww  w.j a v  a  2s  .com
 *   <method access="public" id="method:setEnabled" name="setEnabled">...
 * @param name A method name to find in the input document
 * @return the node that matches the given name
 */
public GiMethod getImplementationDeclaration(String name) {
    try {
        XPathExpression implementationFinder = xpath.compile("//method[@name='" + name + "']");
        return new GiMethod((Element) implementationFinder.evaluate(document, XPathConstants.NODE),
                getClassName());
    } catch (XPathExpressionException ex) {
        throw new RuntimeException(ex);
    }
}

From source file:org.dita.dost.util.DitaUtil.java

private static String getFileNameFromMap(String ditaMapPath) {

    StringBuffer fileName = new StringBuffer();

    try {/* w w w .  ja va2 s. c o m*/

        FileInputStream ditaMapStream;

        ditaMapStream = new FileInputStream(ditaMapPath);

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        factory.setNamespaceAware(true);

        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);

        DocumentBuilder builder;

        Document doc = null;

        XPathExpression expr = null;

        builder = factory.newDocumentBuilder();

        doc = builder.parse(new InputSource(ditaMapStream));

        XPathFactory xFactory = XPathFactory.newInstance();

        XPath xpath = xFactory.newXPath();

        expr = xpath.compile("//bookmap/bookmeta/prodinfo/prodname");

        Node prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);

        if (prodNameNode != null) {

            fileName.append(prodNameNode.getTextContent());

            expr = xpath.compile("//bookmap/bookmeta/prodinfo/vrmlist");

            Element vrmlistNode = (Element) expr.evaluate(doc, XPathConstants.NODE);

            if (vrmlistNode != null) {
                NodeList versions = vrmlistNode.getElementsByTagName("vrm");
                if (versions.getLength() > 0) {

                    NamedNodeMap versionAttributes = versions.item(0).getAttributes();
                    Attr releaseAttr = (Attr) versionAttributes.getNamedItem("release");

                    if (releaseAttr != null) {
                        fileName.append(String.format("_%s", releaseAttr.getValue()));
                    }

                    Attr versionAttr = (Attr) versionAttributes.getNamedItem("version");

                    if (versionAttr != null) {
                        fileName.append(String.format("_%s", versionAttr.getValue()));
                    }
                }
            }
        } else {
            expr = xpath.compile("/bookmap");
            prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
            if (prodNameNode != null) {
                Node node = prodNameNode.getAttributes().getNamedItem("id");
                if (node != null) {
                    fileName.append(node.getTextContent());
                }
            } else {
                expr = xpath.compile("/map");
                prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
                if (prodNameNode != null) {
                    Node node = prodNameNode.getAttributes().getNamedItem("title");
                    if (node != null) {
                        fileName.append(node.getTextContent());
                    }
                }
            }
        }
    } catch (FileNotFoundException e) {
    } catch (ParserConfigurationException e) {
    } catch (SAXException e) {
    } catch (IOException e) {
    } catch (XPathExpressionException e) {
    }
    return fileName.toString();
}

From source file:org.dita2indesign.indesign.builders.InDesignFromDitaMapBuilder.java

private void addTopicsToDocument(InDesignDocument inDesignDoc, Document mapDoc, Map2InDesignOptions options)
        throws Exception {
    if (log.isDebugEnabled())
        log.debug("addArticlesToDocument(): Starting...");

    // FIXME: These next lines should be handled by XmlApiManager. Can't use XmlConstants because
    //        it uses RSIConstants, which requires a real RSuite instance (don't ask).
    XPath xpath = getXPathFactory().newXPath();
    XPathExpression topicrefExpression = xpath
            .compile("//*[contains(@class, ' map/topicref ') and @href != '']");

    // Per Saxon docs, when source is a DOM, result of NODESET is a NodeList.
    NodeList topicrefs = (NodeList) topicrefExpression.evaluate(new DOMSource(mapDoc), XPathConstants.NODESET);

    // NOTE: This code assumes chunking has already been applied to the map so that any topicrefs are to
    // top-level topics.

    Spread spread = inDesignDoc.getSpread(0);

    if (log.isDebugEnabled())
        log.debug("addTopicsToDocument(): Found " + topicrefs.getLength() + " articles in content assembly.");
    double yTop = -260.0;
    double height = 120.0;
    // These values are determined by trial and error.
    // Probably a more elegant way to calculate this geometry:
    double xTranslate = -760.0;
    double yTranslate = -156.0;
    double yGap = 24.0;
    double xGap = 24.0;
    double width = 280.0; // Width of an article frame.
    int row = 0;//from   w w w . j a va2s. com
    Page page = spread.getEvenPage(); // Should get only page of the spread.
    if (page == null) {
        page = spread.getOddPage();
    }
    int rowCount = 6;

    for (int i = 0; i < topicrefs.getLength(); i++) {
        Element elem = (Element) topicrefs.item(i);
        if (log.isDebugEnabled())
            log.debug(
                    "addArticlesToDocument(): Topic [" + (i + 1) + "], \"" + elem.getAttribute("href") + "\"");

        // FIXME: Need to handle non-XML topicrefs
        Link link = constructLinkForTopicref(inDesignDoc, elem, options);

        Rectangle frame;
        //         if (mo.isNonXml()) {
        //            continue; // For now, just skip non-XML MOs until we get image creation implemented.
        //            // frame = createFrameForNonXmlMo(inDesignDoc, link);
        //         } else {
        frame = createFrameForArticle(inDesignDoc, elem, link);
        //         }

        frame.getGeometry().getBoundingBox().setCorners(-140, yTop, 140, (yTop + height));
        frame.getGeometry().getTransformationMatrix().setXTranslation(xTranslate);
        frame.getGeometry().getTransformationMatrix().setYTranslation(yTranslate + ((height + yGap) * row));

        spread.addRectangle(frame);
        row++;
        // This ensures all the articles stay in the first-page's pasteboard
        if (i > 0 && (i + 1) % rowCount == 0) {
            xTranslate += (width + xGap);
            row = 0;
        }

        if (i > 0 && (i + 1) % (rowCount * 2) == 0) {
            xTranslate += page.getWidth() + xGap / 2;
        }

    }
}

From source file:org.drools.semantics.lang.dl.DL_9_CompilationTest.java

@Test
public void testIncrementalCompilation() {
    try {/*from  w  w  w.j  av  a  2s  .c o m*/

        OntoModel diamond = factory.buildModel("diamondX",
                ResourceFactory.newClassPathResource("ontologies/diamondProp.manchester.owl"),
                DLFactoryConfiguration.newConfiguration(OntoModel.Mode.OPTIMIZED));

        compiler = new OntoModelCompiler(diamond, folder.getRoot());

        List<Diagnostic<? extends JavaFileObject>> diag1 = compiler
                .compileOnTheFly(OntoModelCompiler.minimalOptions, OntoModelCompiler.MOJO_VARIANTS.JPA2);

        for (Diagnostic<?> dx : diag1) {
            System.out.println(dx);
            assertFalse(dx.getKind() == Diagnostic.Kind.ERROR);
        }

        showDirContent(folder);

        ClassLoader urlKL = new URLClassLoader(new URL[] { compiler.getBinDir().toURI().toURL() },
                Thread.currentThread().getContextClassLoader());

        OntoModel results = factory.buildModel("diamondInc",
                ResourceFactory.newClassPathResource("ontologies/dependency.test.owl"),
                DLFactoryConfiguration.newConfiguration(OntoModel.Mode.OPTIMIZED), urlKL);

        System.out.println(results);

        Class bot = Class.forName("org.jboss.drools.semantics.diamond.BottomImpl", true, urlKL);
        Class botIF = Class.forName("org.jboss.drools.semantics.diamond.Bottom", true, urlKL);
        Assert.assertNotNull(bot);
        Assert.assertNotNull(botIF);
        Object botInst = bot.newInstance();
        Assert.assertNotNull(botInst);

        OntoModelCompiler compiler2 = new OntoModelCompiler(results, folder.getRoot());

        compiler2.fixResolvedClasses();

        compiler2.streamJavaInterfaces(false);
        compiler2.streamXSDsWithBindings(true);

        compiler2.mojo(OntoModelCompiler.defaultOptions, OntoModelCompiler.MOJO_VARIANTS.JPA2);

        showDirContent(folder);

        File unImplBoundLeft = new File(compiler2.getXjcDir() + File.separator
                + "org.jboss.drools.semantics.diamond".replace(".", File.separator) + File.separator
                + "Left.java");
        assertFalse(unImplBoundLeft.exists());
        File implBoundLeft = new File(compiler2.getXjcDir() + File.separator
                + "org.jboss.drools.semantics.diamond".replace(".", File.separator) + File.separator
                + "LeftImpl.java");
        assertTrue(implBoundLeft.exists());

        File leftInterface = new File(compiler2.getJavaDir() + File.separator
                + "org.jboss.drools.semantics.diamond".replace(".", File.separator) + File.separator
                + "Left.java");

        assertTrue(leftInterface.exists());

        List<Diagnostic<? extends JavaFileObject>> diagnostics = compiler2.doCompile();

        for (Diagnostic<?> dx : diagnostics) {
            System.out.println(dx);
            assertFalse(dx.getKind() == Diagnostic.Kind.ERROR);
        }

        showDirContent(folder);

        Document dox = parseXML(new File(compiler2.getBinDir().getPath() + "/META-INF/persistence.xml"), false);
        XPath xpath = XPathFactory.newInstance().newXPath();
        XPathExpression expr = xpath.compile("//persistence-unit/@name");
        assertEquals("diamondX", (String) expr.evaluate(dox, XPathConstants.STRING));

        File YInterface = new File(compiler2.getJavaDir() + File.separator
                + "org.jboss.drools.semantics.diamond".replace(".", File.separator) + File.separator
                + "X.java");
        assertTrue(YInterface.exists());

        Class colf = Class.forName("some.dependency.test.ChildOfLeftImpl", true, urlKL);
        Assert.assertNotNull(colf);
        Object colfInst = colf.newInstance();

        List<String> hierarchy = getHierarchy(colf);
        assertTrue(hierarchy.contains("some.dependency.test.ChildOfLeftImpl"));
        assertTrue(hierarchy.contains("some.dependency.test.org.jboss.drools.semantics.diamond.LeftImpl"));
        assertTrue(hierarchy.contains("org.jboss.drools.semantics.diamond.LeftImpl"));
        assertTrue(hierarchy.contains("org.jboss.drools.semantics.diamond.C0Impl"));
        assertTrue(hierarchy.contains("org.jboss.drools.semantics.diamond.TopImpl"));
        assertTrue(hierarchy.contains("org.w3._2002._07.owl.ThingImpl"));

        Set<String> itfHierarchy = getIFHierarchy(colf);

        System.err.println(itfHierarchy.containsAll(
                Arrays.asList("org.jboss.drools.semantics.diamond.C1", "org.jboss.drools.semantics.diamond.C0",
                        "some.dependency.test.org.jboss.drools.semantics.diamond.Left",
                        "some.dependency.test.ChildOfLeft", "org.jboss.drools.semantics.diamond.Left",
                        "org.jboss.drools.semantics.diamond.Top", "com.clarkparsia.empire.EmpireGenerated",
                        "org.w3._2002._07.owl.Thing", "java.io.Serializable", "org.drools.semantics.Thing",
                        "com.clarkparsia.empire.SupportsRdfId")));

        Method getter1 = colf.getMethod("getAnotherLeftProp");
        assertNotNull(getter1);
        Method getter2 = colf.getMethod("getImportantProp");
        assertNotNull(getter2);

        for (Method m : colf.getMethods()) {
            if (m.getName().equals("addImportantProp")) {
                m.getName();
            }
        }

        Method adder = colf.getMethod("addImportantProp", botIF);
        assertNotNull(adder);
        adder.invoke(colfInst, botInst);
        List l = (List) getter2.invoke(colfInst);
        assertEquals(1, l.size());

        File off = new File(compiler2.getXjcDir() + File.separator
                + "org.jboss.drools.semantics.diamond".replace(".", File.separator) + File.separator
                + "Left_Off.java");
        assertFalse(off.exists());

        testPersistenceWithInstance(urlKL, "org.jboss.drools.semantics.diamond.Bottom", diamond.getName());
        System.out.println(" Done");

    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    }

}

From source file:org.drugis.addis.util.ConvertDiabetesDatasetUtil.java

private void renameStudies() throws IOException {
    for (Study study : d_domain.getStudies()) {
        PubMedIdList pubmed = (PubMedIdList) study.getCharacteristic(BasicStudyCharacteristic.PUBMED);

        try {//www .jav a 2  s .  c  o  m
            Document doc = getPubMedXML(pubmed);

            XPathFactory factory = XPathFactory.newInstance();
            XPath xpath = factory.newXPath();

            XPathExpression yearExpr = xpath
                    .compile("/PubmedArticleSet/PubmedArticle[1]/MedlineCitation[1]/DateCreated[1]/Year[1]");
            Object yearResults = yearExpr.evaluate(doc, XPathConstants.NODESET);

            String year = ((NodeList) yearResults).item(0).getTextContent();

            XPathExpression authorExpr = xpath.compile(
                    "/PubmedArticleSet/PubmedArticle[1]/MedlineCitation[1]/Article[1]/AuthorList[1]/Author/LastName");
            Object authorResults = authorExpr.evaluate(doc, XPathConstants.NODESET);
            NodeList authorNodes = (NodeList) authorResults;

            List<String> authors = new ArrayList<String>();

            for (int i = 0; i < authorNodes.getLength(); i++) {
                authors.add(authorNodes.item(i).getTextContent());
            }
            String title = "";
            if (authors.size() > 2) {
                title = authors.get(0) + " et al, " + year;
            } else {
                title = StringUtils.join(authors, ", ") + ", " + year;
            }
            study.setName(title);

        } catch (Exception e) {
            continue;
        }
    }
}

From source file:org.eclipse.lyo.testsuite.oslcv2.asset.UsageCaseXmlTests.java

private Node getBestAsset(Document document) throws XPathExpressionException {

    String getAssets = "/rdf:RDF/oslc_asset:Asset";
    XPath xPath = OSLCUtils.getXPath();
    XPathExpression assetsExpr = xPath.compile(getAssets);
    NodeList assets = (NodeList) assetsExpr.evaluate(document, XPathConstants.NODESET);

    Node bestAsset = null;//from w  w  w.  j  ava 2 s.c  o m
    String highestVersion = "";
    for (int i = 0; i < assets.getLength(); i++) {
        NodeList nodeKids = assets.item(i).getChildNodes();
        for (int j = 0; j < nodeKids.getLength(); j++) {
            Node node = nodeKids.item(j);
            if (node.getNodeName().equals("oslc_asset:version")) {
                String version = node.getTextContent();
                if (version.compareTo(highestVersion) > 0) {
                    highestVersion = version;
                    bestAsset = assets.item(i);
                }
                break;
            }
        }
    }
    return bestAsset;
}

From source file:org.eclipse.mdht.dita.ui.util.DitaUtil.java

private static String getFileNameFromMap(String ditaMapPath) {

    StringBuffer fileName = new StringBuffer();

    try {//from  w  w  w  .  j  a v a  2s.c  o  m

        FileInputStream ditaMapStream;

        ditaMapStream = new FileInputStream(ditaMapPath);

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        factory.setNamespaceAware(true);

        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);

        DocumentBuilder builder;

        Document doc = null;

        XPathExpression expr = null;

        builder = factory.newDocumentBuilder();

        doc = builder.parse(new InputSource(ditaMapStream));

        XPathFactory xFactory = XPathFactory.newInstance();

        XPath xpath = xFactory.newXPath();

        expr = xpath.compile("//bookmap/bookmeta/prodinfo/prodname");

        Node prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);

        if (prodNameNode != null) {

            fileName.append(prodNameNode.getTextContent());

            expr = xpath.compile("//bookmap/bookmeta/prodinfo/vrmlist");

            Element vrmlistNode = (Element) expr.evaluate(doc, XPathConstants.NODE);

            if (vrmlistNode != null) {
                NodeList versions = vrmlistNode.getElementsByTagName("vrm");
                if (versions.getLength() > 0) {

                    NamedNodeMap versionAttributes = versions.item(0).getAttributes();
                    Attr releaseAttr = (Attr) versionAttributes.getNamedItem("release");

                    if (releaseAttr != null) {
                        fileName.append(String.format("_%s", releaseAttr.getValue()));
                    }

                    Attr versionAttr = (Attr) versionAttributes.getNamedItem("version");

                    if (versionAttr != null) {
                        fileName.append(String.format("_%s", versionAttr.getValue()));
                    }
                }
            }
        } else {
            expr = xpath.compile("/bookmap");
            prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
            if (prodNameNode != null) {
                Node node = prodNameNode.getAttributes().getNamedItem("id");
                if (node != null) {
                    fileName.append(node.getTextContent());
                }
            } else {
                expr = xpath.compile("/map");
                prodNameNode = (Node) expr.evaluate(doc, XPathConstants.NODE);
                if (prodNameNode != null) {
                    Node node = prodNameNode.getAttributes().getNamedItem("title");
                    if (node != null) {
                        fileName.append(node.getTextContent());
                    }
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
        System.out.println();
    }
    return fileName.toString();
}