Example usage for javax.xml.xpath XPath evaluate

Introduction

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

Prototype

public String evaluate(String expression, InputSource source) throws XPathExpressionException;

Source Link

Document

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

Usage

From source file:GetName.java

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

    String result = xPath.evaluate("/schedule/@name", new InputSource(new FileReader("tds.xml")));
    System.out.println(result);/*from   w w w.  j av  a 2  s .  c om*/
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    InputSource inputSource = new InputSource("input.xml");
    XPath xPath = XPathFactory.newInstance().newXPath();
    String text = xPath.evaluate("/note/body", inputSource);
    System.out.println(text);//  w w w  .  ja  v  a  2  s.  c  o  m
}

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From source file:MainClass.java

public static void main(String[] args) throws ParserConfigurationException, XPathExpressionException,
        org.xml.sax.SAXException, java.io.IOException {
    String documentName = args[0];
    String expression = args[1];//from ww  w  .j  a  v  a 2  s  .c  o  m

    DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
    Document doc = parser.parse(new java.io.File(documentName));

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

    System.out.println(xpath.evaluate(expression, doc));

    NodeList nodes = (NodeList) xpath.evaluate(expression, doc, XPathConstants.NODESET);
    for (int i = 0, n = nodes.getLength(); i < n; i++) {
        Node node = nodes.item(i);
        System.out.println(node);
    }
}

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From source file:Main.java

public static void main(String[] args) {

    String simpleXML = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><person><name>Bob</name></person>";
    InputSource inputSource = new InputSource(new StringReader(simpleXML));
    XPath xpath = XPathFactory.newInstance().newXPath();

    try {/* w w w  . j  av a  2  s.  co m*/
        String name = xpath.evaluate("//name", inputSource);
        System.out.println(name);
    } catch (XPathExpressionException e) {
        System.out.println(e.getMessage());
    }
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    XPath xpath = XPathFactory.newInstance().newXPath();
    Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse("file:////tmp/whatever.xml");
    String version = xpath.evaluate("//behavior/@version", doc);
    System.out.println(version);/* w w  w.  jav  a 2s. c  om*/
}

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From source file:MainClass.java

public static void main(String[] args) throws Exception {
    XPathFactory factory = XPathFactory.newInstance();
    XPath xPath = factory.newXPath();
    SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
    nsContext.addNamespace("s", "uri:test:schedule");
    xPath.setNamespaceContext(nsContext);

    String result = xPath.evaluate("/s:schedule/@name", new InputSource(new FileReader("t.xml")));
    System.out.println(result);//from   w  w  w . ja  v  a 2s  .c  o  m
}

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From source file:android.databinding.tool.MakeCopy.java

public static void main(String[] args) {
    if (args.length < 5) {
        System.out.println("required parameters: [-l] manifest adk-dir src-out-dir xml-out-dir "
                + "res-out-dir res-in-dir...");
        System.out.println("Creates an android data binding class and copies resources from");
        System.out.println("res-source to res-target and modifies binding layout files");
        System.out.println("in res-target. Binding data is extracted into XML files");
        System.out.println("and placed in xml-out-dir.");
        System.out.println("  -l          indicates that this is a library");
        System.out.println("  manifest    path to AndroidManifest.xml file");
        System.out.println("  src-out-dir path to where generated source goes");
        System.out.println("  xml-out-dir path to where generated binding XML goes");
        System.out.println("  res-out-dir path to the where modified resources should go");
        System.out.println(/*from  ww  w  .  j  a v a 2 s.  c  o m*/
                "  res-in-dir  path to source resources \"res\" directory. One" + " or more are allowed.");
        System.exit(1);
    }
    final boolean isLibrary = args[0].equals("-l");
    final int indexOffset = isLibrary ? 1 : 0;
    final String applicationPackage;
    final int minSdk;
    final Document androidManifest = readAndroidManifest(new File(args[MANIFEST_INDEX + indexOffset]));
    try {
        final XPathFactory xPathFactory = XPathFactory.newInstance();
        final XPath xPath = xPathFactory.newXPath();
        applicationPackage = xPath.evaluate("string(/manifest/@package)", androidManifest);
        final Double minSdkNumber = (Double) xPath.evaluate("number(/manifest/uses-sdk/@android:minSdkVersion)",
                androidManifest, XPathConstants.NUMBER);
        minSdk = minSdkNumber == null ? 1 : minSdkNumber.intValue();
    } catch (XPathExpressionException e) {
        e.printStackTrace();
        System.exit(6);
        return;
    }
    final File srcDir = new File(args[SRC_INDEX + indexOffset], APP_SUBPATH);
    if (!makeTargetDir(srcDir)) {
        System.err.println("Could not create source directory " + srcDir);
        System.exit(2);
    }
    final File resTarget = new File(args[RES_OUT_INDEX + indexOffset]);
    if (!makeTargetDir(resTarget)) {
        System.err.println("Could not create resource directory: " + resTarget);
        System.exit(4);
    }
    final File xmlDir = new File(args[XML_INDEX + indexOffset]);
    if (!makeTargetDir(xmlDir)) {
        System.err.println("Could not create xml output directory: " + xmlDir);
        System.exit(5);
    }
    System.out.println("Application Package: " + applicationPackage);
    System.out.println("Minimum SDK: " + minSdk);
    System.out.println("Target Resources: " + resTarget.getAbsolutePath());
    System.out.println("Target Source Dir: " + srcDir.getAbsolutePath());
    System.out.println("Target XML Dir: " + xmlDir.getAbsolutePath());
    System.out.println("Library? " + isLibrary);

    boolean foundSomeResources = false;
    for (int i = RES_IN_INDEX + indexOffset; i < args.length; i++) {
        final File resDir = new File(args[i]);
        if (!resDir.exists()) {
            System.out.println("Could not find resource directory: " + resDir);
        } else {
            System.out.println("Source Resources: " + resDir.getAbsolutePath());
            try {
                FileUtils.copyDirectory(resDir, resTarget);
                addFromFile(resDir, resTarget);
                foundSomeResources = true;
            } catch (IOException e) {
                System.err.println("Could not copy resources from " + resDir + " to " + resTarget + ": "
                        + e.getLocalizedMessage());
                System.exit(3);
            }
        }
    }

    if (!foundSomeResources) {
        System.err.println("No resource directories were found.");
        System.exit(7);
    }
    processLayoutFiles(applicationPackage, resTarget, srcDir, xmlDir, minSdk, isLibrary);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    String source = "<p xmlns='http://www.java2s.com/nfe' versao='2.00'></p>";

    XPathFactory xPathFactory = XPathFactory.newInstance();
    XPath xPath = xPathFactory.newXPath();

    NamespaceContext context = new NamespaceContext() {
        String PREFIX = "nfe";
        String URI = "http://www.java2s.com/nfe";

        @Override//from w w  w.  j  a  va 2  s  .  c  o m
        public String getNamespaceURI(String prefix) {
            return (PREFIX.equals(prefix)) ? URI : XMLConstants.NULL_NS_URI;
        }

        @Override
        public String getPrefix(String namespaceUri) {
            return (URI.equals(namespaceUri)) ? PREFIX : XMLConstants.DEFAULT_NS_PREFIX;
        }

        @Override
        public Iterator getPrefixes(String namespaceUri) {
            return Collections.singletonList(this.getPrefix(namespaceUri)).iterator();
        }
    };
    xPath.setNamespaceContext(context);
    InputSource inputSource = new InputSource(new StringReader(source));
    String versao = xPath.evaluate("//nfe:p/@versao", inputSource);
    System.out.println(versao.toString());
}

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From source file:Main.java

public static String getQuery(String id) throws Exception {
    InputStream is = new ByteArrayInputStream(xml.getBytes("UTF8"));
    InputSource inputSource = new InputSource(is);
    XPath xpath = XPathFactory.newInstance().newXPath();
    return xpath.evaluate("/queries/query[@id='" + id + "']", inputSource);
}

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From source file:Main.java

public static String stringValue(Object item) throws Exception {
    XPath xpath = factory.newXPath();
    return xpath.evaluate("text()", item);
}

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