Example usage for javax.xml.xpath XPathConstants STRING

Introduction

In this page you can find the example usage for javax.xml.xpath XPathConstants STRING.

Prototype

QName STRING

To view the source code for javax.xml.xpath XPathConstants STRING.

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Document

The XPath 1.0 string data type.

Maps to Java String .

Usage

From source file:Main.java

public static void main(String[] args) throws Exception {
    XPathFactory xPathfactory = XPathFactory.newInstance();
    XPath xpath = xPathfactory.newXPath();

    String xml1 = "<xml><product><product_id>2</product_id></product><car><product_id>12345678</product_id></car></xml>";
    String xml2 = "<xml><product><product_id>2</product_id></product><car><car_type id_1=\"2\" id_2=\"32\">55555</car_type></car></xml>";

    Document doc1 = stringToDom(xml1);
    Document doc2 = stringToDom(xml2);

    XPathExpression expr1 = xpath.compile("//car/product_id/text()");
    String carId = (String) expr1.evaluate(doc1, XPathConstants.STRING);

    XPathExpression expr2 = xpath.compile("//car/car_type/text()");
    String carType = (String) expr2.evaluate(doc2, XPathConstants.STRING);

    System.out.println("carId: " + carId);
    System.out.println("carType: " + carType);

}

From source file:Main.java

public static void main(String[] args) throws Throwable {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();
    String entryType = null;//from ww w  . jav a  2  s .c o m
    XPathExpression[] expressions = new XPathExpression[] {
            xpath.compile("local-name(*[local-name() = 'package'])"),
            xpath.compile("local-name(*[local-name() = 'libapp'])"),
            xpath.compile("local-name(*[local-name() = 'module'])") };

    DocumentBuilderFactory fac = DocumentBuilderFactory.newInstance();
    DocumentBuilder parser = fac.newDocumentBuilder();
    Document doc = parser.parse(args[0]);

    for (int i = 0; i < expressions.length; i++) {
        String found = (String) expressions[i].evaluate(doc.getDocumentElement(), XPathConstants.STRING);
        entryType = mappings.get(found);
        if (entryType != null && !entryType.trim().isEmpty()) {
            break;
        }
    }
    System.out.println(entryType);
}

From source file:ApplyXPathJAXP.java

public static void main(String[] args) {
    QName returnType = null;/*from w ww  . j  a v a2s .  com*/

    if (args.length != 3) {
        System.err.println("Usage: java ApplyXPathAPI xml_file xpath_expression type");
    }

    InputSource xml = new InputSource(args[0]);
    String expr = args[1];

    // set the return type
    if (args[2].equals("num"))
        returnType = XPathConstants.NUMBER;
    else if (args[2].equals("bool"))
        returnType = XPathConstants.BOOLEAN;
    else if (args[2].equals("str"))
        returnType = XPathConstants.STRING;
    else if (args[2].equals("node"))
        returnType = XPathConstants.NODE;
    else if (args[2].equals("nodeset"))
        returnType = XPathConstants.NODESET;
    else
        System.err.println("Invalid return type: " + args[2]);

    // Create a new XPath
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();

    Object result = null;
    try {
        // compile the XPath expression
        XPathExpression xpathExpr = xpath.compile(expr);

        // Evaluate the XPath expression against the input document
        result = xpathExpr.evaluate(xml, returnType);

        // Print the result to System.out.
        printResult(result);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:ExtensionFunctionResolver.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xpath = factory.newXPath();

    // set the NamespaceContext to 
    // org.apache.xalan.extensions.ExtensionNamespaceContext
    xpath.setNamespaceContext(new ExtensionNamespaceContext());

    // set the XPathFunctionResolver to 
    // org.apache.xalan.extensions.XPathFunctionResolverImpl
    xpath.setXPathFunctionResolver(new XPathFunctionResolverImpl());

    Object result = null;/*w  ww .j ava2  s  .  c  om*/
    // Evaluate the XPath expression "math:max(/doc/num)" against 
    // the input document numlist.xml
    InputSource context = new InputSource("numlist.xml");
    result = xpath.evaluate(EXPR1, context, XPathConstants.NUMBER);
    System.out.println(EXPR1 + " = " + result);

    // Evaluate the XPath expression "java:ExtensionTest.test('Bob')"
    result = xpath.evaluate(EXPR2, context, XPathConstants.STRING);
    System.out.println(EXPR2 + " = " + result);
}

From source file:Main.java

public static String selectString(String xpath, Object node) {
    return ((String) evaluateXPath(xpath, node, XPathConstants.STRING)).trim();
}

From source file:Main.java

public static String findString(Node node, XPathExpression name) throws XPathExpressionException {
    return (String) name.evaluate(node, XPathConstants.STRING);
}

From source file:Main.java

public static String selectString(String xpath, Object node) {
    try {/*from www . java  2 s. co  m*/
        return ((String) getXPath(xpath).evaluate(node, XPathConstants.STRING)).trim();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

public static String evalXPathString(String xpath, InputSource source) throws XPathExpressionException {
    return (String) newXPath(xpath).evaluate(source, XPathConstants.STRING);
}

From source file:Main.java

public static String getXmlNodeValue(Document doc, String nodePath) throws Exception {
    XPath xpath = XPathFactory.newInstance().newXPath();
    String nodeValue = (String) xpath.evaluate(nodePath, doc, XPathConstants.STRING);
    return nodeValue;
}

From source file:Main.java

static public String string(Node context, String expression) {
    try {/*from ww w  .  j  a v a  2  s . c  o m*/
        String result = (String) xpath.evaluate(expression, context, XPathConstants.STRING);
        if (result == null || result.length() == 0)
            return null;
        else
            return result;
    } catch (XPathExpressionException ex) {
        ex.printStackTrace();
        throw new RuntimeException("invalid xpath expresion used");
    }
}