Example usage for org.xml.sax XMLReader parse

List of usage examples for org.xml.sax XMLReader parse

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Introduction

In this page you can find the example usage for org.xml.sax XMLReader parse.

Prototype

public void parse(String systemId) throws IOException, SAXException;

Source Link

Document

Parse an XML document from a system identifier (URI).

Usage

From source file:org.intalio.tempo.workflow.wds.core.xforms.XFormsProcessor.java

/**
 * Process an XForms document.//from  ww w  . j a  v  a  2 s.c o m
 * <ul>
 * <li>If the model schema is specified as a relative URI, it is changed to comply to the form URI, 
 *     e.g. if a form is stored at (oxf:/)my/uri/form1.xform and it specified "form1.xsd" 
 *     as its model schema, then the value of the "schema" attribute of the "xforms:model" 
 *     element will be rewritten as: "oxf:/my/uri/form1.xsd"</li>
 * <li>The XForms document is reformatted in a "pretty-print" way.</li>
 * </ul>
 */
@SuppressWarnings("deprecation")
public static Item processXForm(final String itemUri, InputStream inputStream)
        throws IOException, ParserConfigurationException, SAXException {
    if (LOG.isDebugEnabled())
        LOG.debug("Processing " + itemUri);
    StringWriter out = new StringWriter();
    SAXParser parser = SAXParserFactory.newInstance().newSAXParser();
    OutputFormat format = new OutputFormat();
    format.setEncoding(CharEncoding.UTF_8);
    format.setOmitXMLDeclaration(false);
    format.setOmitComments(false);
    format.setPreserveSpace(true);
    SchemaURLRewriter ser = new SchemaURLRewriter(out, format, itemUri);
    XMLReader reader = parser.getXMLReader();
    reader.setContentHandler(ser);
    reader.parse(new InputSource(inputStream));
    return new Item(itemUri, XFORMS_CONTENT_TYPE, out.toString().getBytes(CharEncoding.UTF_8));
}

From source file:org.intermine.modelviewer.jaxb.ConfigParser.java

/**
 * Unmarshalls an XML document using the very forgiving event driven parser provided
 * by SAX. No issues with namespaces and so forth here.
 *  /*from   w w  w .j a  va2  s.  c  o m*/
 * @param context The type of objects expected from the XML file.
 * @param file The file to load.
 * 
 * @return The Object created as a result of reading the file.
 * Its type will depend on <code>context</code>.
 * 
 * @throws SAXException if there is a problem parsing with SAX.
 * @throws ParserConfigurationException if there is a configuration problem with
 * the SAX system.
 * @throws IOException if there is a low level I/O problem.
 * 
 * @see CoreHandler
 * @see GenomicHandler
 * @see ProjectHandler
 * @see GenomicCoreHandler
 */
private Object saxParse(Context context, File file)
        throws SAXException, ParserConfigurationException, IOException {
    //Schema schema = schemas.get(context);
    //schema.newValidator().validate(new StreamSource(file));

    BackupContentHandler handler;
    switch (context) {
    case CORE:
        handler = new CoreHandler();
        break;

    case GENOMIC:
        handler = new GenomicHandler();
        break;

    case PROJECT:
        handler = new ProjectHandler();
        break;

    default:
        throw new UnsupportedOperationException("Cannot load things of type " + context);
    }

    XMLReader reader = XMLReaderFactory.createXMLReader();
    reader.setContentHandler(handler);
    reader.parse(new InputSource(new FileReader(file)));
    return handler.getResult();
}

From source file:org.itracker.web.util.ImportExportUtilities.java

/**
 * Takes an XML file matching the ITracker import/export DTD and returns an array
 * of AbstractBean objects.  The array will contain all of the projects, components
 * versions, users, custom fields, and issues contained in the XML.
 *
 * @param xmlReader an xml reader to import
 * @throws ImportExportException thrown if the xml can not be parsed into the appropriate objects
 *///from ww w  .j a v  a  2 s  .  c  o m
public static AbstractEntity[] importIssues(Reader xmlReader) throws ImportExportException {
    AbstractEntity[] abstractBeans;

    try {
        logger.debug("Starting XML data import.");

        XMLReader reader = XMLReaderFactory.createXMLReader();
        ImportHandler handler = new ImportHandler();
        reader.setContentHandler(handler);
        reader.setErrorHandler(handler);
        reader.parse(new InputSource(xmlReader));
        abstractBeans = handler.getModels();

        logger.debug("Imported a total of " + abstractBeans.length + " beans.");
    } catch (Exception e) {
        logger.error("Exception.", e);
        throw new ImportExportException(e.getMessage());
    }

    return abstractBeans;
}

From source file:org.jasig.cas.client.util.XmlUtils.java

/**
 * Retrieve the text for a group of elements. Each text element is an entry
 * in a list.// w w  w.ja  v a 2  s .co m
 * <p>This method is currently optimized for the use case of two elements in a list.
 *
 * @param xmlAsString the xml response
 * @param element     the element to look for
 * @return the list of text from the elements.
 */
public static List getTextForElements(final String xmlAsString, final String element) {
    final List elements = new ArrayList(2);
    final XMLReader reader = getXmlReader();

    final DefaultHandler handler = new DefaultHandler() {

        private boolean foundElement = false;

        private StringBuffer buffer = new StringBuffer();

        public void startElement(final String uri, final String localName, final String qName,
                final Attributes attributes) throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = true;
            }
        }

        public void endElement(final String uri, final String localName, final String qName)
                throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = false;
                elements.add(this.buffer.toString());
                this.buffer = new StringBuffer();
            }
        }

        public void characters(char[] ch, int start, int length) throws SAXException {
            if (this.foundElement) {
                this.buffer.append(ch, start, length);
            }
        }
    };

    reader.setContentHandler(handler);
    reader.setErrorHandler(handler);

    try {
        reader.parse(new InputSource(new StringReader(xmlAsString)));
    } catch (final Exception e) {
        LOG.error(e, e);
        return null;
    }

    return elements;
}

From source file:org.jasig.cas.client.util.XmlUtils.java

/**
 * Retrieve the text for a specific element (when we know there is only
 * one).//from ww w.  j av a 2  s  . c o m
 *
 * @param xmlAsString the xml response
 * @param element     the element to look for
 * @return the text value of the element.
 */
public static String getTextForElement(final String xmlAsString, final String element) {
    final XMLReader reader = getXmlReader();
    final StringBuffer buffer = new StringBuffer();

    final DefaultHandler handler = new DefaultHandler() {

        private boolean foundElement = false;

        public void startElement(final String uri, final String localName, final String qName,
                final Attributes attributes) throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = true;
            }
        }

        public void endElement(final String uri, final String localName, final String qName)
                throws SAXException {
            if (localName.equals(element)) {
                this.foundElement = false;
            }
        }

        public void characters(char[] ch, int start, int length) throws SAXException {
            if (this.foundElement) {
                buffer.append(ch, start, length);
            }
        }
    };

    reader.setContentHandler(handler);
    reader.setErrorHandler(handler);

    try {
        reader.parse(new InputSource(new StringReader(xmlAsString)));
    } catch (final Exception e) {
        LOG.error(e, e);
        return null;
    }

    return buffer.toString();
}

From source file:org.kalypso.gml.test.GmlParsingTester.java

protected GMLWorkspace parseGml(final InputStream is, final URL context)
        throws ParserConfigurationException, SAXException, IOException, GMLException {
    final SAXParser saxParser = m_saxFactory.newSAXParser();
    // make namespace-prefxes visible to content handler
    // used to allow necessary schemas from gml document
    // saxParser.setProperty( "http://xml.org/sax/features/namespace-prefixes", Boolean.TRUE );
    final XMLReader reader = saxParser.getXMLReader();

    // TODO: also set an error handler here
    // TODO: use progress-monitors to show progress and let the user cancel parsing

    final GMLorExceptionContentHandler exceptionHandler = new GMLorExceptionContentHandler(reader, null,
            context, null);//from   w  w w  .j av a2  s .  c om
    reader.setContentHandler(exceptionHandler);

    final InputSource inputSource = new InputSource(is);
    reader.parse(inputSource);

    return exceptionHandler.getWorkspace();
}

From source file:org.kalypso.gmlschema.types.AbstractOldFormatMarshallingTypeHandlerAdapter.java

/**
 * @see org.kalypso.gmlschema.types.IMarshallingTypeHandler#marshal(java.lang.Object, org.xml.sax.ContentHandler,
 *      org.xml.sax.ext.LexicalHandler, java.net.URL)
 *//*from   ww w  .j  a  v a2  s.c  o m*/
@Override
public void marshal(final Object value, final XMLReader reader, final URL context, final String gmlVersion)
        throws SAXException {
    try {
        final Document document = m_builder.newDocument();
        final Node node = marshall(value, document, context);
        // value is encoded in xml in document object
        final StringWriter writer = new StringWriter();
        // REMARK: we do not write the dom formatted here (argument false), because later the
        // content handler will probably do the formatting (IndentContentHandler). If we format here, we will get empty
        // lines later.
        XMLHelper.writeDOM(node, "UTF-8", writer, false); //$NON-NLS-1$
        IOUtils.closeQuietly(writer);
        // value is encoded in string
        final String xmlString = writer.toString();
        final String xmlStringNoHeader = XMLUtilities.removeXMLHeader(xmlString);
        final InputSource input = new InputSource(new StringReader(xmlStringNoHeader));

        SAX_FACTORY.setNamespaceAware(true);
        final SAXParser saxParser = SAX_FACTORY.newSAXParser();
        final XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setContentHandler(reader.getContentHandler());
        xmlReader.parse(input);
    } catch (final SAXException e) {
        throw e;
    } catch (final Exception e) {
        throw new SAXException(e);
    }
}

From source file:org.kalypso.gmlschema.types.SimpleDOMTypeHandler.java

@Override
public void marshal(final Object value, final XMLReader reader, final URL context, final String gmlVersion)
        throws SAXException {
    try {//w  w  w.jav a2  s  .com
        final DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        final DocumentBuilder builder = factory.newDocumentBuilder();
        final Document document = builder.newDocument();
        final Node node = internalMarshall(value, document, context);

        // value is encoded in xml in document object
        final StringWriter writer = new StringWriter();
        XMLHelper.writeDOM(node, "UTF-8", writer); //$NON-NLS-1$
        IOUtils.closeQuietly(writer);

        // value is encoded in string
        final String xmlString = writer.toString();
        final InputSource input = new InputSource(new StringReader(xmlString));
        final SAXParserFactory saxFac = SAXParserFactory.newInstance();
        saxFac.setNamespaceAware(true);

        final SAXParser saxParser = saxFac.newSAXParser();
        final XMLReader xmlReader = saxParser.getXMLReader();
        xmlReader.setContentHandler(reader.getContentHandler());
        xmlReader.parse(input);
    } catch (final SAXException saxe) {
        throw saxe;
    } catch (final Exception e) {
        throw new SAXException(e);
    }
}

From source file:org.kalypso.mapserver.utils.MapFileUtilities.java

/**
 * This function loads a map file from XML.
 *
 * @param inputStream// w  w  w  .j  av  a 2s.co  m
 *          The input stream.
 * @return The contents of the map file.
 */
public static Map loadFromXML(final InputStream inputStream)
        throws JAXBException, SAXException, ParserConfigurationException, IOException {
    /* Create the unmarshaller. */
    final Unmarshaller unmarshaller = JC.createUnmarshaller();

    /* Get the sax parser factory. */
    final SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);
    spf.setXIncludeAware(true);

    /* Get the xml reader. */
    final XMLReader xr = spf.newSAXParser().getXMLReader();
    xr.setContentHandler(unmarshaller.getUnmarshallerHandler());
    xr.parse(new InputSource(inputStream));

    return (Map) unmarshaller.getUnmarshallerHandler().getResult();
}

From source file:org.kalypso.ogc.gml.GisTemplateHelper.java

public static final Gismapview loadGisMapView(final InputSource is)
        throws JAXBException, SAXException, ParserConfigurationException, IOException {
    final Unmarshaller unmarshaller = TemplateUtilities.createGismapviewUnmarshaller();

    // XInclude awareness
    final SAXParserFactory spf = SAXParserFactory.newInstance();
    spf.setNamespaceAware(true);//from   w  w  w .j a v  a2  s .c om
    spf.setXIncludeAware(true);
    final XMLReader xr = spf.newSAXParser().getXMLReader();
    xr.setContentHandler(unmarshaller.getUnmarshallerHandler());
    xr.parse(is);
    return (Gismapview) unmarshaller.getUnmarshallerHandler().getResult();
}