Examples with XPathExpression javax.xml.xpath.XPathExpression used on opensource projects

Example 71 with XPathExpression

use of javax.xml.xpath.XPathExpression in project camel by apache.

the class XPathBuilder method logNamespaces.

private void logNamespaces(Exchange exchange) {
    InputStream is = null;
    NodeList answer = null;
    XPathExpression xpathExpression = null;
    try {
        xpathExpression = poolLogNamespaces.poll();
        if (xpathExpression == null) {
            xpathExpression = createTraceNamespaceExpression();
        }
        // prepare the input
        Object document;
        if (isInputStreamNeeded(exchange)) {
            is = exchange.getIn().getBody(InputStream.class);
            document = getDocument(exchange, is);
        } else {
            Object body = exchange.getIn().getBody();
            document = getDocument(exchange, body);
        }
        // fetch all namespaces
        if (document instanceof InputSource) {
            InputSource inputSource = (InputSource) document;
            answer = (NodeList) xpathExpression.evaluate(inputSource, XPathConstants.NODESET);
        } else if (document instanceof DOMSource) {
            DOMSource source = (DOMSource) document;
            answer = (NodeList) xpathExpression.evaluate(source.getNode(), XPathConstants.NODESET);
        } else {
            answer = (NodeList) xpathExpression.evaluate(document, XPathConstants.NODESET);
        }
    } catch (Exception e) {
        LOG.warn("Unable to trace discovered namespaces in XPath expression", e);
    } finally {
        // IOHelper can handle if is is null
        IOHelper.close(is);
        poolLogNamespaces.add(xpathExpression);
    }
    if (answer != null) {
        logDiscoveredNamespaces(answer);
    }
}

Example 72 with XPathExpression

use of javax.xml.xpath.XPathExpression in project sonarqube by SonarSource.

the class XpathParser method executeXPath.

public Object executeXPath(Node node, QName qname, String xPathExpression) {
    XPathExpression expr = compiledExprs.get(xPathExpression);
    try {
        if (expr == null) {
            expr = xpath.compile(xPathExpression);
            compiledExprs.put(xPathExpression, expr);
        }
        return expr.evaluate(node, qname);
    } catch (XPathExpressionException e) {
        throw new XmlParserException("Unable to evaluate xpath expression :" + xPathExpression, e);
    }
}

Example 73 with XPathExpression

use of javax.xml.xpath.XPathExpression in project jangaroo-tools by CoreMedia.

the class ASDocScreenScraper method scrape.

public void scrape() throws IOException, ParserConfigurationException, SAXException, XPathExpressionException, TransformerException {
    Document doc = loadAndParse(url);
    this.document = doc;
    XPath xpath = xPathFactory.newXPath();
    XPathExpression packageNameExpression = xpath.compile("//*[@id='packageName']/text()");
    Node packageNameNode = (Node) packageNameExpression.evaluate(doc, XPathConstants.NODE);
    packageName = htmlTrim(packageNameNode.getNodeValue());
    if ("Top Level".equals(packageName)) {
        packageName = "";
    }
    String packageDirs = "../joo/" + packageName.replaceAll("\\.", "/");
    File packageDirsFile = new File(packageDirs);
    if (!packageDirsFile.mkdirs()) {
        System.out.println("[INFO] Package directory " + packageDirsFile.getAbsolutePath() + " already exists.");
    }
    className = htmlTrim(packageNameNode.getParentNode().getNextSibling().getNextSibling().getNodeValue());
    File classFile = new File(packageDirsFile, className + ".as");
    System.out.println("Writing file " + classFile.getCanonicalPath());
    PrintWriter writer = new PrintWriter(classFile, "UTF-8");
    writer.println("package " + packageName + " {");
    XPathExpression classDeclarationExpression = xpath.compile("/*[name()='html']/*[name()='body']/*[name()='div']/*[name()='div'][@id='content']/*[name()='div'][1]/*[name()='div'][1]/*[name()='table'][1]/*[name()='tr'][2]/*[name()='td'][2]/text()");
    Node classDeclarationNode = (Node) classDeclarationExpression.evaluate(doc, XPathConstants.NODE);
    String classDeclaration = classDeclarationNode.getNodeValue();
    // TODO: more exact match (Pattern) needed?
    isInterface = classDeclaration.indexOf("interface") != -1;
    while (classDeclarationNode.getNextSibling() != null) {
        classDeclarationNode = classDeclarationNode.getNextSibling();
        classDeclaration += "a".equals(classDeclarationNode.getNodeName()) ? toType(classDeclarationNode) : classDeclarationNode.getNodeValue();
    }
    XPathExpression extendsExpression = xpath.compile("//*[@class='classHeaderTableLabel'][text()='Inheritance']/following-sibling::*/*[name()='a']");
    Node extendsClassNode = (Node) extendsExpression.evaluate(doc, XPathConstants.NODE);
    String extendsClause = "";
    if (extendsClassNode != null) {
        String extendsClass = toType(extendsClassNode);
        if (!"Object".equals(extendsClass)) {
            extendsClause = " extends " + extendsClass;
        }
    }
    XPathExpression implementsExpression = xpath.compile("//*[@class='classHeaderTableLabel'][text()='Implements']/following-sibling::*/*[name()='a']");
    NodeList implementsNodes = (NodeList) implementsExpression.evaluate(doc, XPathConstants.NODESET);
    String implementsClause = getImplementsClause(implementsNodes);
    XPathExpression propertyDeclarations = xpath.compile("//*[@class='content']//*[name()='span'][not(@product)][contains(@runtime,'Flash::')] | //*[@class='content']/*[@class='MainContent']/*[name()='span'][not(@product)][not(@runtime)]");
    //XPathExpression propertyDeclarations = xpath.compile("//*[@class='MainContent'][2]/*[name()='div'][@class='detailBody']");
    NodeList propertyDeclarationNodes = (NodeList) propertyDeclarations.evaluate(doc, XPathConstants.NODESET);
    XPathExpression eventNameExpression = xPathFactory.newXPath().compile(".//*[name()='h2']/text()");
    StringBuilder eventCode = new StringBuilder();
    StringBuilder memberCode = new StringBuilder();
    for (int i = 0; i < propertyDeclarationNodes.getLength(); i++) {
        Node propertyDeclarationNode = propertyDeclarationNodes.item(i);
        Node propertyDeclarationHeader = propertyDeclarationNode.getNextSibling();
        propertyDeclarationNode = propertyDeclarationHeader.getNextSibling();
        if (!(propertyDeclarationNode != null && propertyDeclarationNode instanceof Element && "detailBody".equals(((Element) propertyDeclarationNode).getAttribute("class")))) {
            System.out.println("[WARN] Property declaration not followed by <div class='detailBody'>.");
        } else {
            NodeList eventNodes = (NodeList) xpath.evaluate("*[name()='a']/*[name()='code']/text()", propertyDeclarationNode, XPathConstants.NODESET);
            Node implementationNode = (Node) xpath.evaluate("*[name()='span'][@class='label'][text()='Implementation']", propertyDeclarationNode, XPathConstants.NODE);
            NodeList docNodes = propertyDeclarationNode.getChildNodes();
            if (eventNodes.getLength() == 2) {
                eventCode.append(getASDoc(docNodes, eventNodes.item(1)));
                String eventName = ((String) eventNameExpression.evaluate(propertyDeclarationHeader, XPathConstants.STRING)).trim();
                eventCode.append("[Event(name=\"").append(eventName).append("\", type=\"").append(eventNodes.item(0).getNodeValue()).append("\")]\n");
            } else {
                memberCode.append(getASDoc(docNodes, null));
                memberCode.append(unparseCode(implementationNode == null ? propertyDeclarationNode.getFirstChild() : implementationNode.getNextSibling()));
            }
        }
    }
    writer.println(getImports());
    writer.println(eventCode);
    writer.print(getClassDoc());
    writer.println(classDeclaration + extendsClause + implementsClause + " {");
    writer.print(memberCode);
    writer.println("}");
    writer.println("}");
    writer.flush();
    writer.close();
}

Example 74 with XPathExpression

use of javax.xml.xpath.XPathExpression in project jangaroo-tools by CoreMedia.

the class ASDocScreenScraper method main.

public static void main(String[] args) throws IOException, ParserConfigurationException, SAXException, XPathExpressionException, TransformerException, URISyntaxException {
    if (args.length > 0) {
        new ASDocScreenScraper(ADOBE_FLASH_PLATFORM_REFERENCE_BASE_URL + args[0].replaceAll("\\.", "/") + ".html").scrape();
        return;
    }
    Document classSummaryDocument = loadAndParse(new URI(ADOBE_FLASH_PLATFORM_REFERENCE_BASE_URL + "class-summary.html"));
    XPath xpath = xPathFactory.newXPath();
    XPathExpression classNodesExpression = xpath.compile("//*[@class='summaryTable']//*[name()='tr'][not(@product)][contains(@runtime,'Flash::')]//*[name()='a']/@href");
    NodeList classNodes = (NodeList) classNodesExpression.evaluate(classSummaryDocument, XPathConstants.NODESET);
    System.out.println("Hits: " + classNodes.getLength());
    for (int i = 0; i < classNodes.getLength(); i++) {
        String relativeClassUrl = classNodes.item(i).getNodeValue();
        if (!relativeClassUrl.endsWith("package-detail.html")) {
            System.out.println(relativeClassUrl);
            new ASDocScreenScraper(ADOBE_FLASH_PLATFORM_REFERENCE_BASE_URL + relativeClassUrl).scrape();
        }
    }
}

Example 75 with XPathExpression

use of javax.xml.xpath.XPathExpression in project spring-boot by spring-projects.

the class GradleIT method evaluateExpression.

private static String evaluateExpression(String expression) {
    try {
        XPathFactory xPathFactory = XPathFactory.newInstance();
        XPath xpath = xPathFactory.newXPath();
        XPathExpression expr = xpath.compile(expression);
        String version = expr.evaluate(new InputSource(new FileReader("pom.xml")));
        return version;
    } catch (Exception ex) {
        throw new IllegalStateException("Failed to evaluate expression", ex);
    }
}