Example usage for org.jdom2 Document getRootElement

List of usage examples for org.jdom2 Document getRootElement

  1. HOME
  2. Java
  3. org.jdom2
  4. org.jdom2.*
  5. Document
  6. getRootElement

Introduction

In this page you can find the example usage for org.jdom2 Document getRootElement.

Prototype

public Element getRootElement()

Source Link

Document

This will return the root Element for this Document

Usage

From source file:com.rometools.rome.io.impl.Atom10Parser.java

License:Open Source License

@Override
public WireFeed parse(final Document document, final boolean validate, final Locale locale)
        throws IllegalArgumentException, FeedException {
    if (validate) {
        validateFeed(document);//from   w w w.  j  ava 2  s . c  om
    }
    final Element rssRoot = document.getRootElement();
    return parseFeed(rssRoot, locale);
}

From source file:com.rometools.rome.io.impl.Atom10Parser.java

License:Open Source License

/**
 * Parse entry from reader./*from   w ww. ja  va 2s .  c o  m*/
 */
public static Entry parseEntry(final Reader rd, final String baseURI, final Locale locale)
        throws JDOMException, IOException, IllegalArgumentException, FeedException {

    // Parse entry into JDOM tree
    final SAXBuilder builder = new SAXBuilder();
    final Document entryDoc = builder.build(rd);
    final Element fetchedEntryElement = entryDoc.getRootElement();
    fetchedEntryElement.detach();

    // Put entry into a JDOM document with 'feed' root so that Rome can
    // handle it
    final Feed feed = new Feed();
    feed.setFeedType("atom_1.0");
    final WireFeedOutput wireFeedOutput = new WireFeedOutput();
    final Document feedDoc = wireFeedOutput.outputJDom(feed);
    feedDoc.getRootElement().addContent(fetchedEntryElement);

    if (baseURI != null) {
        feedDoc.getRootElement().setAttribute("base", baseURI, Namespace.XML_NAMESPACE);
    }

    final WireFeedInput input = new WireFeedInput(false, locale);
    final Feed parsedFeed = (Feed) input.build(feedDoc);
    return parsedFeed.getEntries().get(0);
}

From source file:com.rometools.rome.io.impl.OPML10Parser.java

License:Apache License

/**
       * Parses an XML document (JDOM Document) into a feed bean.
       * <p>/*  ww w.  j ava  2  s  . c o m*/
       *
       * @param document XML document (JDOM) to parse.
       * @param validate indicates if the feed should be strictly validated (NOT YET IMPLEMENTED).
       * @return the resulting feed bean.
       * @throws IllegalArgumentException thrown if the parser cannot handle the given feed type.
       * @throws FeedException thrown if a feed bean cannot be created out of the XML document (JDOM).
       */
@Override
public WireFeed parse(final Document document, final boolean validate, final Locale locale)
        throws IllegalArgumentException, FeedException {
    final Opml opml = new Opml();
    opml.setFeedType("opml_1.0");

    final Element root = document.getRootElement();
    final Element head = root.getChild("head");

    if (head != null) {
        opml.setTitle(head.getChildText("title"));

        if (head.getChildText("dateCreated") != null) {
            opml.setCreated(DateParser.parseRFC822(head.getChildText("dateCreated"), Locale.US));
        }

        if (head.getChildText("dateModified") != null) {
            opml.setModified(DateParser.parseRFC822(head.getChildText("dateModified"), Locale.US));
        }

        opml.setOwnerName(head.getChildTextTrim("ownerName"));
        opml.setOwnerEmail(head.getChildTextTrim("ownerEmail"));
        opml.setVerticalScrollState(readInteger(head.getChildText("vertScrollState")));
    }

    try {
        opml.setWindowBottom(readInteger(head.getChildText("windowBottom")));
    } catch (final NumberFormatException nfe) {

        if (validate) {
            throw new FeedException("Unable to parse windowBottom", nfe);
        }
    }

    try {
        opml.setWindowLeft(readInteger(head.getChildText("windowLeft")));
    } catch (final NumberFormatException nfe) {
    }

    try {
        opml.setWindowRight(readInteger(head.getChildText("windowRight")));
    } catch (final NumberFormatException nfe) {

        if (validate) {
            throw new FeedException("Unable to parse windowRight", nfe);
        }
    }

    try {
        opml.setWindowLeft(readInteger(head.getChildText("windowLeft")));
    } catch (final NumberFormatException nfe) {

        if (validate) {
            throw new FeedException("Unable to parse windowLeft", nfe);
        }
    }

    try {
        opml.setWindowTop(readInteger(head.getChildText("windowTop")));
    } catch (final NumberFormatException nfe) {

        if (validate) {
            throw new FeedException("Unable to parse windowTop", nfe);
        }
    }

    try {
        opml.setExpansionState(readIntArray(head.getChildText("expansionState")));
    } catch (final NumberFormatException nfe) {

        if (validate) {
            throw new FeedException("Unable to parse expansionState", nfe);
        }
    }

    opml.setOutlines(parseOutlines(root.getChild("body").getChildren("outline"), validate, locale));
    opml.setModules(parseFeedModules(root, locale));

    return opml;
}

From source file:com.rometools.rome.io.impl.OPML20Parser.java

License:Apache License

/**
 * Inspects an XML Document (JDOM) to check if it can parse it.
 * <p>// ww w  .jav  a  2 s .c om
 * It checks if the given document if the type of feeds the parser understands.
 * <p>
 *
 * @param document XML Document (JDOM) to check if it can be parsed by this parser.
 * @return <b>true</b> if the parser know how to parser this feed, <b>false</b> otherwise.
 */
@Override
public boolean isMyType(final Document document) {
    final Element e = document.getRootElement();
    String name = e.getName();
    if (!"opml".equals(name)) {
        return false;
    }
    String version = e.getAttributeValue("version");
    if ("2.0".equals(version)) {
        return true;
    }
    Element head = e.getChild("head");
    if (head != null) {
        Element docs = head.getChild("docs");
        if (docs != null) {
            return true;
        }
        Element ownerId = head.getChild("ownerId");
        if (ownerId != null) {
            return true;
        }
    }
    return false;
}

From source file:com.rometools.rome.io.impl.RSS090Parser.java

License:Open Source License

@Override
public boolean isMyType(final Document document) {

    final Element rssRoot = document.getRootElement();
    final Namespace defaultNS = rssRoot.getNamespace();
    final List<Namespace> additionalNSs = rssRoot.getAdditionalNamespaces();

    boolean myType = false;
    if (defaultNS != null && defaultNS.equals(getRDFNamespace()) && additionalNSs != null) {
        for (final Namespace namespace : additionalNSs) {
            if (getRSSNamespace().equals(namespace)) {
                myType = true;/*  w w  w.  ja v  a  2  s  .  com*/
                break;
            }
        }
    }
    return myType;

}

From source file:com.rometools.rome.io.impl.RSS090Parser.java

License:Open Source License

@Override
public WireFeed parse(final Document document, final boolean validate, final Locale locale)
        throws IllegalArgumentException, FeedException {

    if (validate) {
        validateFeed(document);//from  w  w w. j  a va 2  s. c  o  m
    }

    final Element rssRoot = document.getRootElement();
    return parseChannel(rssRoot, locale);
}

From source file:com.rometools.rome.io.impl.RSS091NetscapeParser.java

License:Open Source License

@Override
public boolean isMyType(final Document document) {

    final Element rssRoot = document.getRootElement();
    final String name = rssRoot.getName();
    final Attribute version = rssRoot.getAttribute("version");
    final DocType docType = document.getDocType();

    return name.equals(ELEMENT_NAME) && version != null && version.getValue().equals(getRSSVersion())
            && docType != null && ELEMENT_NAME.equals(docType.getElementName())
            && PUBLIC_ID.equals(docType.getPublicID()) && SYSTEM_ID.equals(docType.getSystemID());

}

From source file:com.rometools.rome.io.impl.RSS091UserlandParser.java

License:Open Source License

@Override
public boolean isMyType(final Document document) {
    final Element rssRoot = document.getRootElement();
    final Attribute version = rssRoot.getAttribute("version");
    return rssRoot.getName().equals("rss") && version != null && version.getValue().equals(getRSSVersion());
}

From source file:com.rometools.rome.io.impl.RSS10Parser.java

License:Open Source License

/**
 * Indicates if a JDom document is an RSS instance that can be parsed with the parser.
 * <p/>/*from   w  w  w .j  a va 2s .  c  o m*/
 * It checks for RDF ("http://www.w3.org/1999/02/22-rdf-syntax-ns#") namespace being defined in
 * the root element and for the RSS 1.0 ("http://purl.org/rss/1.0/") namespace in the channel
 * element.
 *
 * @param document document to check if it can be parsed with this parser implementation.
 * @return <b>true</b> if the document is RSS1., <b>false</b> otherwise.
 */
@Override
public boolean isMyType(final Document document) {
    final Element rssRoot = document.getRootElement();
    final Namespace defaultNS = rssRoot.getNamespace();
    return defaultNS != null && defaultNS.equals(getRDFNamespace())
            && rssRoot.getChild("channel", getRSSNamespace()) != null;
}

From source file:com.rometools.rome.io.impl.RSS20Parser.java

License:Open Source License

@Override
public boolean isMyType(final Document document) {
    final Element rssRoot = document.getRootElement();
    final Attribute version = rssRoot.getAttribute("version");
    // as far ROME is concerned RSS 2.0, 2.00 and 2.0.X are all the same, so let's use
    // startsWith for leniency.
    return rssRoot.getName().equals("rss") && version != null && version.getValue().startsWith(getRSSVersion());
}