Example usage for javax.xml.transform.sax TransformerHandler startElement

List of usage examples for javax.xml.transform.sax TransformerHandler startElement

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Introduction

In this page you can find the example usage for javax.xml.transform.sax TransformerHandler startElement.

Prototype

public void startElement(String uri, String localName, String qName, Attributes atts) throws SAXException;

Source Link

Document

Receive notification of the beginning of an element.

Usage

From source file:IOUtils.java

/**
 * Checks if the used Trax implementation correctly handles namespaces set using
 * <code>startPrefixMapping()</code>, but wants them also as 'xmlns:' attributes.
 * <p>/*w w  w . ja v a  2 s .  co m*/
 * The check consists in sending SAX events representing a minimal namespaced document
 * with namespaces defined only with calls to <code>startPrefixMapping</code> (no
 * xmlns:xxx attributes) and check if they are present in the resulting text.
 */
protected static boolean needsNamespacesAsAttributes(Properties format)
        throws TransformerException, SAXException {
    // Serialize a minimal document to check how namespaces are handled.
    final StringWriter writer = new StringWriter();

    final String uri = "namespaceuri";
    final String prefix = "nsp";
    final String check = "xmlns:" + prefix + "='" + uri + "'";

    final TransformerHandler handler = FACTORY.newTransformerHandler();

    handler.getTransformer().setOutputProperties(format);
    handler.setResult(new StreamResult(writer));

    // Output a single element
    handler.startDocument();
    handler.startPrefixMapping(prefix, uri);
    handler.startElement(uri, "element", "element", new AttributesImpl());
    handler.endElement(uri, "element", "element");
    handler.endPrefixMapping(prefix);
    handler.endDocument();

    final String text = writer.toString();

    // Check if the namespace is there (replace " by ' to be sure of what we search in)
    boolean needsIt = (text.replace('"', '\'').indexOf(check) == -1);

    return needsIt;
}

From source file:Main.java

/**
 * Creates a {@link TransformerHandler}.
 * //from   w  ww . ja  va 2s  .c om
 * @param commentHeader the comment header
 * @param rootTag the root tag
 * @param streamResult stream result
 */
public static TransformerHandler createTransformerHandler(String commentHeader, String rootTag,
        StreamResult streamResult, Charset charset)
        throws TransformerFactoryConfigurationError, TransformerConfigurationException, SAXException {
    SAXTransformerFactory tf = (SAXTransformerFactory) TransformerFactory.newInstance();
    try {
        tf.setAttribute("indent-number", new Integer(2));
    } catch (Exception e) {
        // ignore, workaround for JDK 1.5 bug, see http://forum.java.sun.com/thread.jspa?threadID=562510
    }
    TransformerHandler transformerHandler = tf.newTransformerHandler();
    Transformer serializer = transformerHandler.getTransformer();
    serializer.setOutputProperty(OutputKeys.ENCODING, charset.name());
    serializer.setOutputProperty(OutputKeys.METHOD, "xml");
    serializer.setOutputProperty(OutputKeys.INDENT, "yes");
    transformerHandler.setResult(streamResult);
    transformerHandler.startDocument();
    String newline = System.getProperty("line.separator");
    if (newline == null) {
        newline = "\n";
    }
    commentHeader = (newline + commentHeader).replaceAll("\\n--", newline + " ");
    transformerHandler.characters("\n".toCharArray(), 0, 1);
    transformerHandler.comment(commentHeader.toCharArray(), 0, commentHeader.toCharArray().length);
    transformerHandler.characters("\n".toCharArray(), 0, 1);
    if (rootTag.length() > 0) {
        transformerHandler.startElement("", "", rootTag, null);
    }
    return transformerHandler;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.TextInterface.java

private String produceXML(String title) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;/*from   w w w .  ja  v a 2 s .  c o  m*/
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "title", "", title);
        hd.startElement("", "", "Enhancement", null);
        hd.startElement("", "", "Result", atts);
        hd.endElement("", "", "Result");
        hd.endElement("", "", "Enhancement");
        hd.endDocument();
        xml = out.toString("utf-8");
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);

    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.VideoInterface.java

private String produceXML(String videoURL) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;/*from  ww  w.  j a v a 2 s .c  o  m*/
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "videoURL", "", videoURL);
        hd.startElement("", "", "Enhancement", null);
        hd.startElement("", "", "Result", atts);
        hd.endElement("", "", "Result");
        hd.endElement("", "", "Enhancement");
        hd.endDocument();
        xml = out.toString("utf-8");
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.ImageInterface.java

private String produceXML(String imageURL) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;//from w w  w  .  ja v  a  2s. c o m
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "imageURL", "", imageURL);
        hd.startElement("", "", "Enhancement", null);
        hd.startElement("", "", "Result", atts);
        hd.endElement("", "", "Result");
        hd.endElement("", "", "Enhancement");
        hd.endDocument();
        xml = out.toString("utf-8");
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.AbstractInterface.java

private String produceXML(String abstracto) throws TMFOutputException {
    String xml;//from  w w w .j  a v  a 2s . com
    LOG.debug("[produceXML] - BEGIN");
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "abstract", "", abstracto);
        hd.startElement("", "", "Enhancement", null);
        hd.startElement("", "", "Result", atts);
        hd.endElement("", "", "Result");
        hd.endElement("", "", "Enhancement");
        hd.endDocument();
        xml = out.toString("utf-8");
        System.out.println(xml);
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.EpubInterface.java

private String produceXML(ArrayList<String[]> topics) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;//w w  w  .j  a v  a  2  s. c  o m
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "service", "", "ClassifyEpub");
        hd.startElement("", "", "Classification", atts);
        int i = 0;
        for (String[] topic : topics) {
            if (i == 0) {
                atts.clear();
                hd.startElement("", "", "Resources", atts);
            }
            atts.addAttribute("", "", "uri", "", topic[0]);
            atts.addAttribute("", "", "label", "", topic[1]);
            atts.addAttribute("", "", "title", "", topic[2]);
            atts.addAttribute("", "", "score", "", topic[3]);
            atts.addAttribute("", "", "mergedTypes", "", topic[4]);
            atts.addAttribute("", "", "image", "", topic[5]);
            hd.startElement("", "", "Resource", atts);
            hd.endElement("", "", "Resource");
            i++;
        }
        if (i > 0)
            hd.endElement("", "", "Resources");
        hd.endElement("", "", "Classification");
        hd.endDocument();
        xml = out.toString("utf-8");
        System.out.println(xml);
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.ClassifyInterface.java

private String produceXML(List<String[]> topics) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;/*from w w  w .j a  v  a  2 s.  co  m*/
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "service", "", "Classify");
        hd.startElement("", "", "Classification", atts);
        int i = 0;
        for (String[] topic : topics) {
            if (i == 0) {
                atts.clear();
                hd.startElement("", "", "Resources", atts);
            }
            atts.addAttribute("", "", "uri", "", topic[0]);
            atts.addAttribute("", "", "label", "", topic[1]);
            atts.addAttribute("", "", "title", "", topic[2]);
            atts.addAttribute("", "", "score", "", topic[3]);
            atts.addAttribute("", "", "mergedTypes", "", topic[4]);
            atts.addAttribute("", "", "image", "", ""); // We should remove this parameter in favour of Wikimedia/Wikidata API
            hd.startElement("", "", "Resource", atts);
            hd.endElement("", "", "Resource");
            i++;
        }
        if (i > 0)
            hd.endElement("", "", "Resources");
        hd.endElement("", "", "Classification");
        hd.endDocument();
        xml = out.toString("utf-8");
        System.out.println(xml);
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.EpubChaptersInterface.java

private String produceXML(HashMap<String, List<String[]>> chapters) throws TMFOutputException {

    LOG.debug("[produceXML] - BEGIN");

    String xml;//from w w w.j  av a  2  s .  c o  m
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        atts.addAttribute("", "", "service", "", "ClassifyEpubChapters");
        hd.startElement("", "", "Classification", atts);
        int i = 0;
        Set set = chapters.entrySet();
        Iterator iterator = set.iterator();
        while (iterator.hasNext()) {
            Map.Entry me = (Map.Entry) iterator.next();
            atts.clear();
            if (i == 0) {
                hd.startElement("", "", "Chapters", atts);
            }
            atts.addAttribute("", "", "toc", "", me.getKey().toString());
            hd.startElement("", "", "Chapter", atts);
            atts.clear();
            ArrayList<String[]> topics = (ArrayList<String[]>) me.getValue();
            int j = 0;
            for (String[] topic : topics) {
                atts.clear();
                if (j == 0) {
                    hd.startElement("", "", "Resources", atts);
                }
                atts.addAttribute("", "", "uri", "", topic[0]);
                atts.addAttribute("", "", "label", "", topic[1]);
                atts.addAttribute("", "", "title", "", topic[2]);
                atts.addAttribute("", "", "score", "", topic[3]);
                atts.addAttribute("", "", "mergedTypes", "", topic[4]);
                atts.addAttribute("", "", "image", "", topic[5]);
                hd.startElement("", "", "Resource", atts);
                hd.endElement("", "", "Resource");
                j++;
            }
            if (j > 0)
                hd.endElement("", "", "Resources");
            hd.endElement("", "", "Chapter");
            i++;
        }
        if (i > 0)
            hd.endElement("", "", "Chapters");
        hd.endElement("", "", "Classification");
        hd.endDocument();
        xml = out.toString("utf-8");
        System.out.println(xml);
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }

    LOG.debug("[produceXML] - END");

    return xml;
}

From source file:it.polito.tellmefirst.web.rest.interfaces.MapInterface.java

private String produceXML(String[] coordinates) throws TMFOutputException {
    LOG.debug("[produceXML] - BEGIN");
    String xml;//w  ww. ja  v  a2 s  .  c om
    String res1 = "";
    String res2 = "";
    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        TransformerHandler hd = initXMLDoc(out);
        AttributesImpl atts = new AttributesImpl();
        if (coordinates[0] != null) {
            res1 = coordinates[0];
        }
        if (coordinates[1] != null) {
            res2 = coordinates[1];
        }
        atts.addAttribute("", "", "lat", "", res1);
        atts.addAttribute("", "", "long", "", res2);
        hd.startElement("", "", "Enhancement", null);
        hd.startElement("", "", "Map", atts);
        hd.endElement("", "", "Map");
        hd.endElement("", "", "Enhancement");
        hd.endDocument();
        xml = out.toString("utf-8");
    } catch (Exception e) {
        throw new TMFOutputException("Error creating XML output.", e);
    }
    LOG.debug("[produceXML] - END");
    return xml;
}