Package org.apache.abdera.xpath

Examples of org.apache.abdera.xpath.XPath

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        jstream.endObject();
    }

    private static Object[] getChildren(Element element) {
        Abdera abdera = element.getFactory().getAbdera();
        XPath xpath = abdera.getXPath();
        List<Object> nodes = xpath.selectNodes("node()", element);
        return nodes.toArray(new Object[nodes.size()]);
    }
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            return;
        Element element = (Element)source;
        sw.startElement(element.getQName());
        for (QName attr : element.getAttributes())
            sw.writeAttribute(attr, element.getAttributeValue(attr));
        XPath xpath = context.getAbdera().getXPath();
        List<?> children = xpath.selectNodes("node()", element);
        for (Object child : children) {
            if (child instanceof Element) {
                process(child, new ObjectContext(child), context, conventions);
            } else if (child instanceof Comment) {
                Comment comment = (Comment)child;
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        // add additional feed metadata
        Entry entry = feed.addEntry();
        // add additional feed metadata
        entry.addLink("alternate.xml"); // relative URI

        XPath xpath = abdera.getXPath();
        System.out.println(xpath.valueOf("abdera:resolve(/a:feed/a:entry/a:link/@href)", feed));

        // You can add your own xpath functions.
        FOMXPath fxpath = (FOMXPath)xpath;
        Map<QName, Function> functions = fxpath.getDefaultFunctions();
        functions.put(AlternateLinkFunction.QNAME, new AlternateLinkFunction());
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    public static void main(String[] args) throws Exception {

        Abdera abdera = new Abdera();
        Parser parser = abdera.getParser();
        XPath xpath = abdera.getXPath();

        InputStream in = XPathExample.class.getResourceAsStream("/simple.xml");
        Document<Feed> doc = parser.parse(in);
        Feed feed = doc.getRoot();

        System.out.println(xpath.evaluate("count(/a:feed)", feed)); // 1.0
        System.out.println(xpath.numericValueOf("count(/a:feed)", feed)); // 1.0
        System.out.println(xpath.booleanValueOf("/a:feed/a:entry", feed)); // true (the feed has an entry)
        System.out.println(xpath.valueOf("/a:feed/a:entry/a:title", feed)); // Atom-Powered Robots Run Amok
        System.out.println(xpath.selectNodes("/a:feed/a:entry", feed)); // every entry
        System.out.println(xpath.selectSingleNode("/a:feed", feed));
        System.out.println(xpath.selectSingleNode("..", feed.getTitleElement()));
        System.out.println(xpath.selectSingleNode("ancestor::*", feed.getEntries().get(0)));
        System.out.println(xpath.valueOf("concat('The feed is is ',/a:feed/a:id)", feed)); // "The feed is is urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6"

    }
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    @Test
    public void testXPath() throws IOException {
        Feed f = Abdera.getInstance().newFeed();
        IntegerElement ext = f.addExtension(OpenSearchConstants.START_INDEX);
        ext.setValue(101);
        XPath path = Abdera.getNewXPath();
        List result = path.selectNodes("node()", ext);
        assertTrue(result.size() > 0);
    }
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    public void testXPath() throws Exception {

        InputStream in = FOMTest.class.getResourceAsStream("/simple.xml");
        Document<Feed> doc = getParser().parse(in);
        Feed feed = doc.getRoot();
        XPath xpath = getXPath();
        assertEquals(1.0d, xpath.evaluate("count(/a:feed)", feed));
        assertTrue(xpath.booleanValueOf("/a:feed/a:entry", feed));
        assertEquals(1.0d, xpath.numericValueOf("count(/a:feed)", feed));
        assertEquals("Atom-Powered Robots Run Amok", xpath.valueOf("/a:feed/a:entry/a:title", feed));
        assertEquals(1, xpath.selectNodes("/a:feed/a:entry", feed).size());
        assertTrue(xpath.selectSingleNode("/a:feed", feed) instanceof Feed);
        assertEquals(feed, xpath.selectSingleNode("..", feed.getTitleElement()));
        assertEquals(feed, xpath.selectSingleNode("ancestor::*", feed.getEntries().get(0)));
        assertEquals("The feed is is urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6", xpath
            .valueOf("concat('The feed is is ',/a:feed/a:id)", feed));

    }
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  public static void main(String[] args) throws Exception {
   
    Abdera abdera = new Abdera();
    Parser parser = abdera.getParser();
    XPath xpath = abdera.getXPath();
   
    InputStream in = XPathExample.class.getResourceAsStream("/simple.xml");
    Document<Feed> doc = parser.parse(in);
    Feed feed = doc.getRoot();
   
    System.out.println(xpath.evaluate("count(/a:feed)", feed));         // 1.0
    System.out.println(xpath.numericValueOf("count(/a:feed)", feed));   // 1.0
    System.out.println(xpath.booleanValueOf("/a:feed/a:entry", feed));          // true (the feed has an entry)
    System.out.println(xpath.valueOf("/a:feed/a:entry/a:title", feed)); // Atom-Powered Robots Run Amok
    System.out.println(xpath.selectNodes("/a:feed/a:entry", feed));     // every entry
    System.out.println(xpath.selectSingleNode("/a:feed", feed));
    System.out.println(xpath.selectSingleNode("..", feed.getTitleElement()));
    System.out.println(xpath.selectSingleNode("ancestor::*", feed.getEntries().get(0)));
    System.out.println(xpath.valueOf("concat('The feed is is ',/a:feed/a:id)", feed)); // "The feed is is urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6"
   
  }
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  public void testXPath() throws Exception {
   
    InputStream in = FOMTest.class.getResourceAsStream("/simple.xml");
    Document<Feed> doc = getParser().parse(in);
    Feed feed = doc.getRoot();
    XPath xpath = getXPath();
    assertEquals(xpath.evaluate("count(/a:feed)", feed), 1.0d);
    assertTrue(xpath.booleanValueOf("/a:feed/a:entry", feed));
    assertEquals(xpath.numericValueOf("count(/a:feed)", feed), 1.0d);
    assertEquals(xpath.valueOf("/a:feed/a:entry/a:title", feed), "Atom-Powered Robots Run Amok");
    assertEquals(xpath.selectNodes("/a:feed/a:entry", feed).size(), 1);
    assertTrue(xpath.selectSingleNode("/a:feed", feed) instanceof Feed);
    assertEquals(xpath.selectSingleNode("..", feed.getTitleElement()), feed);
    assertEquals(xpath.selectSingleNode("ancestor::*", feed.getEntries().get(0)), feed);
    assertEquals(xpath.valueOf("concat('The feed is is ',/a:feed/a:id)", feed), "The feed is is urn:uuid:60a76c80-d399-11d9-b93C-0003939e0af6");
   
  }
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      sw.startElement(element.getQName());
      for (QName attr : element.getAttributes())
        sw.writeAttribute(
          attr,
          element.getAttributeValue(attr));
      XPath xpath = context.getAbdera().getXPath();
      List<?> children = xpath.selectNodes("node()", element);
      for (Object child : children) {
        if (child instanceof Element) {
          process(child, new ObjectContext(child), context, conventions);
        } else if (child instanceof Comment) {
          Comment comment = (Comment) child;
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  private static Object[] getChildren(
    Element element) {
      Abdera abdera = element.getFactory().getAbdera();
      XPath xpath = abdera.getXPath();
      List<Object> nodes = xpath.selectNodes("node()", element);
      return nodes.toArray(new Object[nodes.size()]);
  }
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Related Classes of org.apache.abdera.xpath.XPath

  • org.apache.abdera.contrib.rss.RssChannel
  • org.apache.abdera.examples.html.HtmlExample
  • org.apache.abdera.examples.xsltxpath.XPathExample
  • org.apache.abdera.examples.xsltxpath.XPathFunctionsExample
  • org.apache.abdera.ext.json.JSONUtil
  • org.apache.abdera.ext.rss.RssChannel
  • org.apache.abdera.ext.serializer.impl.FOMSerializer
  • org.apache.abdera.test.ext.opensearch.model.TestSelectNodes
  • org.apache.abdera.test.parser.stax.FOMTest
  • org.apache.abdera.test.security.DSigThirdPartyVerifyTest
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