Example usage for javax.xml.xpath XPathExpression evaluate

Introduction

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

Prototype

public String evaluate(InputSource source) throws XPathExpressionException;

Source Link

Document

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

Usage

From source file:Main.java

public static String getResultXpathstring(String expr, InputSource inputSource)
        throws XPathExpressionException {
    XPathExpression xExpr = xPath.compile(expr);
    return xExpr.evaluate(inputSource);
}

From source file:Main.java

public static String getValue(Node node, String exprStr) throws XPathExpressionException {
    XPathExpression expr = xpath.compile(exprStr);
    return expr.evaluate(node);
}

From source file:Main.java

/**
 * Evaluate an XPath against a Document, returning a String.
 * //from   w  w  w .j  a va  2s  .co  m
 * @param doc Document
 * @param xp XPath to evaluate against Document
 * @return String found at path or null
 */
public static String xpathOrNull(Document doc, String xp) {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    try {
        XPathExpression expr = xpath.compile(xp);
        return expr.evaluate(doc);
    } catch (XPathExpressionException e) {
        return null;
    }
}

From source file:Main.java

public static String getValueByPath(Node node, String path) {
    XPathExpression expr = compile(path);
    try {/*w ww .  jav a  2s.co  m*/
        return expr.evaluate(node);
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static synchronized String evaluate(String path, Node node) throws RuntimeException {
    path = path.trim();//from   w  w w  . j ava 2s  .c o  m
    try {
        XPath xp = XPathFactory.newInstance().newXPath();
        XPathExpression expr = xp.compile(path);
        String ret = expr.evaluate(node);

        return ret;

    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:com.thoughtworks.go.util.XpathUtils.java

private static String evaluate(XPathFactory factory, InputSource inputSource, String xpath)
        throws XPathExpressionException {
    XPathExpression expression = factory.newXPath().compile(xpath);
    return expression.evaluate(inputSource).trim();
}

From source file:Main.java

public static String getNodeCount(String nodeName, String xmlString) {
    String response = "";
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    try {//from ww w  . j av a  2s .  co  m
        XPathExpression xPathExpression = xPath.compile("count(//" + nodeName + ")");
        InputSource is = new InputSource();
        is.setCharacterStream(new StringReader(xmlString));
        response = xPathExpression.evaluate(is);

    } catch (XPathExpressionException e) {
        e.printStackTrace();
    }

    return response;
}

From source file:org.fcrepo.kernel.impl.identifiers.HttpPidMinter.java

/**
 * Extract the desired identifier value from an XML response using XPath
**//*  ww w.j  ava  2 s . c o  m*/
private static String xpath(final String xml, final XPathExpression xpath) throws Exception {
    final DocumentBuilder builder = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    final Document doc = builder.parse(new ByteArrayInputStream(xml.getBytes()));
    return xpath.evaluate(doc);
}

From source file:com.indoqa.maven.wadldoc.AbstractWadlDocumentationMojo.java

private static String getWadlDocumentName(XPathExpression expression, File wadlFile)
        throws MavenReportException {
    try {/* ww w.  j ava 2s .co  m*/
        return expression.evaluate(new InputSource(new FileInputStream(wadlFile)));
    } catch (Exception e) {
        throw new MavenReportException("Can't evaluate XPath expression on " + wadlFile, e);
    }
}

From source file:org.fcrepo.mint.HttpPidMinter.java

/**
 * Extract the desired identifier value from an XML response using XPath
**//*from  w  w w .j  a  v a  2 s . c o m*/
private static String xpath(final String xml, final XPathExpression xpath)
        throws ParserConfigurationException, SAXException, IOException, XPathExpressionException {
    final DocumentBuilder builder = DOCUMENT_BUILDER_FACTORY.newDocumentBuilder();
    final Document doc = builder.parse(new ByteArrayInputStream(xml.getBytes()));
    return xpath.evaluate(doc);
}