Example usage for javax.xml.stream XMLStreamWriter writeStartDocument

List of usage examples for javax.xml.stream XMLStreamWriter writeStartDocument

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Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamWriter writeStartDocument.

Prototype

public void writeStartDocument() throws XMLStreamException;

Source Link

Document

Write the XML Declaration.

Usage

From source file:org.osaf.cosmo.mc.MorseCodeServlet.java

private void handleGeneralException(MorseCodeException e, HttpServletResponse resp) throws IOException {
    if (e.getCode() >= 500)
        log.error("Unknown Morse Code exception", e);
    else if (e.getCode() >= 400)
        log.info("Client error (" + e.getCode() + "): " + e.getMessage());

    resp.setStatus(e.getCode());//from   ww  w .j a  v a 2 s  .c o m
    if (!e.hasContent())
        return;

    XMLStreamWriter writer = null;

    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
        writer.writeStartDocument();
        e.writeTo(writer);
        writer.writeEndDocument();

        resp.setContentType("application/xml");
        byte[] bytes = out.toByteArray();
        resp.setContentLength(bytes.length);
        resp.getOutputStream().write(bytes);
    } catch (Throwable e2) {
        log.error("Error writing XML", e2);
        log.error("Original exception", e);
        resp.setStatus(500);
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (XMLStreamException e2) {
                log.warn("Unable to close XML writer", e2);
            }
        }
    }
}

From source file:org.rhq.enterprise.server.sync.ExportingInputStream.java

/**
 * @param wrt/*from www.j  a va2 s.c  om*/
 * @throws XMLStreamException 
 */
private void exportPrologue(XMLStreamWriter wrt) throws XMLStreamException {
    wrt.setDefaultNamespace(SynchronizationConstants.EXPORT_NAMESPACE);
    wrt.setPrefix(SynchronizationConstants.EXPORT_NAMESPACE_PREFIX, SynchronizationConstants.EXPORT_NAMESPACE);
    wrt.setPrefix(SynchronizationConstants.CONFIGURATION_INSTANCE_NAMESPACE_PREFIX,
            SynchronizationConstants.CONFIGURATION_INSTANCE_NAMESPACE);
    wrt.setPrefix(SynchronizationConstants.CONFIGURATION_NAMESPACE_PREFIX,
            SynchronizationConstants.CONFIGURATION_NAMESPACE);

    NamespaceContext nsContext = SynchronizationConstants.createConfigurationExportNamespaceContext();

    wrt.setNamespaceContext(nsContext);

    wrt.writeStartDocument();
    wrt.writeStartElement(SynchronizationConstants.EXPORT_NAMESPACE,
            SynchronizationConstants.CONFIGURATION_EXPORT_ELEMENT);
    wrt.writeNamespace(SynchronizationConstants.CONFIGURATION_INSTANCE_NAMESPACE_PREFIX,
            ConfigurationInstanceDescriptorUtil.NS_CONFIGURATION_INSTANCE);
    wrt.writeNamespace(SynchronizationConstants.CONFIGURATION_NAMESPACE_PREFIX,
            SynchronizationConstants.CONFIGURATION_NAMESPACE);

    writeValidators(wrt);
}

From source file:org.rhq.enterprise.server.sync.test.DeployedAgentPluginsValidatorTest.java

public void testCanExportAndImportState() throws Exception {
    final PluginManagerLocal pluginManager = context.mock(PluginManagerLocal.class);

    final DeployedAgentPluginsValidator validator = new DeployedAgentPluginsValidator(pluginManager);

    context.checking(new Expectations() {
        {//from w w  w.  j a v a 2s. com
            oneOf(pluginManager).getInstalledPlugins();
            will(returnValue(new ArrayList<Plugin>(getDeployedPlugins())));
        }
    });

    validator.initialize(null, null);

    StringWriter output = new StringWriter();
    try {
        XMLOutputFactory ofactory = XMLOutputFactory.newInstance();

        XMLStreamWriter wrt = ofactory.createXMLStreamWriter(output);
        //wrap the exported plugins in "something" so that we produce
        //a valid xml
        wrt.writeStartDocument();
        wrt.writeStartElement("root");

        validator.exportState(new ExportWriter(wrt));

        wrt.writeEndDocument();

        wrt.close();

        StringReader input = new StringReader(output.toString());

        try {
            XMLInputFactory ifactory = XMLInputFactory.newInstance();
            XMLStreamReader rdr = ifactory.createXMLStreamReader(input);

            //push the reader to the start of the plugin elements
            //this is what is expected by the validators
            rdr.nextTag();

            validator.initializeExportedStateValidation(new ExportReader(rdr));

            rdr.close();

            assertEquals(validator.getPluginsToValidate(), getDeployedPlugins());
        } finally {
            input.close();
        }
    } catch (Exception e) {
        LOG.error("Test failed. Output generated so far:\n" + output, e);
        throw e;
    } finally {
        output.close();
    }
}

From source file:org.rhq.plugins.hadoop.HadoopServerConfigurationDelegate.java

private static void updateFile(File configFile, Map<String, PropertySimple> allProps)
        throws IOException, InterruptedException, XMLStreamException {
    InputStream in = null;//from w  ww .  ja v  a 2s  .  co  m
    XMLStreamReader rdr = null;

    OutputStream out = null;
    XMLStreamWriter outWrt = null;

    try {
        Set<String> processedPropertyNames = new HashSet<String>();

        in = new BufferedInputStream(new FileInputStream(configFile));
        rdr = XML_INPUT_FACTORY.createXMLStreamReader(in);

        File tmpFile = File.createTempFile("hadoop-plugin", null);
        out = new FileOutputStream(tmpFile);
        outWrt = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);

        ByteArrayOutputStream stash = new ByteArrayOutputStream();
        XMLStreamWriter stashWrt = XML_OUTPUT_FACTORY.createXMLStreamWriter(stash);
        boolean outputActive = true;

        outWrt.writeStartDocument();

        while (rdr.hasNext()) {
            int event = rdr.next();

            XMLStreamWriter wrt = outputActive ? outWrt : stashWrt;

            switch (event) {
            case XMLStreamConstants.ATTRIBUTE:
                break;
            case XMLStreamConstants.CDATA:
                wrt.writeCData(rdr.getText());
                break;
            case XMLStreamConstants.CHARACTERS:
                wrt.writeCharacters(rdr.getText());
                break;
            case XMLStreamConstants.COMMENT:
                wrt.writeComment(rdr.getText());
                break;
            case XMLStreamConstants.DTD:
                wrt.writeDTD(rdr.getText());
                break;
            case XMLStreamConstants.END_DOCUMENT:
                wrt.writeEndDocument();
                break;
            case XMLStreamConstants.END_ELEMENT:
                if (PROPERTY_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    String encoding = rdr.getEncoding();
                    if (encoding == null) {
                        encoding = "UTF-8";
                    }

                    String propertyTagSoFar = Charset.forName(encoding)
                            .decode(ByteBuffer.wrap(stash.toByteArray())).toString();
                    DetectedPropertyNameAndUpdatedTag propAndTag = updateProperty(propertyTagSoFar, allProps);

                    //yes, we're intentionally circumventing the xml stream writer, because we already have the XML data we want to write.
                    outWrt.flush();
                    out.write(propAndTag.updatedTag.getBytes("UTF-8"));

                    processedPropertyNames.add(propAndTag.propertyName);

                    //reset stuff
                    stash.reset();
                    wrt = outWrt;
                    outputActive = true;
                } else if (CONFIGURATION_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    //now add the new props
                    for (String prop : processedPropertyNames) {
                        allProps.remove(prop);
                    }

                    for (Map.Entry<String, PropertySimple> e : allProps.entrySet()) {
                        outWrt.writeStartElement(PROPERTY_TAG_NAME);

                        outWrt.writeStartElement(NAME_TAG_NAME);
                        outWrt.writeCharacters(e.getKey());
                        outWrt.writeEndElement();

                        outWrt.writeStartElement(VALUE_TAG_NAME);
                        outWrt.writeCharacters(e.getValue().getStringValue());
                        outWrt.writeEndElement();

                        outWrt.writeEndElement();
                    }
                }
                wrt.writeEndElement();
                break;
            case XMLStreamConstants.ENTITY_DECLARATION:
                //XXX could not find what to do with this
                break;
            case XMLStreamConstants.ENTITY_REFERENCE:
                wrt.writeEntityRef(rdr.getText());
                break;
            case XMLStreamConstants.NAMESPACE:
                for (int i = 0; i < rdr.getNamespaceCount(); ++i) {
                    wrt.writeNamespace(rdr.getNamespacePrefix(i), rdr.getNamespaceURI(i));
                }
                break;
            case XMLStreamConstants.NOTATION_DECLARATION:
                //XXX could not find what to do with this
                break;
            case XMLStreamConstants.PROCESSING_INSTRUCTION:
                wrt.writeProcessingInstruction(rdr.getPITarget(), rdr.getPIData());
                break;
            case XMLStreamConstants.SPACE:
                wrt.writeCharacters(rdr.getText());
                break;
            case XMLStreamConstants.START_DOCUMENT:
                //this seems to be never called for some strange reason
                //wrt.writeStartDocument();
                break;
            case XMLStreamConstants.START_ELEMENT:
                wrt.writeStartElement(rdr.getName().getPrefix(), rdr.getName().getLocalPart(),
                        rdr.getName().getNamespaceURI());

                for (int i = 0; i < rdr.getAttributeCount(); ++i) {
                    wrt.writeAttribute(rdr.getAttributePrefix(i), rdr.getAttributeNamespace(i),
                            rdr.getAttributeLocalName(i), rdr.getAttributeValue(i));
                }

                if (PROPERTY_TAG_NAME.equals(rdr.getName().getLocalPart())) {
                    wrt.writeCharacters("");
                    outputActive = false;
                }
                break;
            }
        }

        outWrt.flush();
        out.flush();
        out.close();

        in.close();

        //now copy the temp file in the place of the original one
        FileUtil.copyFile(tmpFile, configFile);
    } finally {
        rdr.close();

        outWrt.flush();
        outWrt.close();

        try {
            in.close();
        } finally {
            out.flush();
            out.close();
        }
    }
}

From source file:org.unitedinternet.cosmo.dav.impl.StandardDavResponse.java

public void sendDavError(CosmoDavException e) throws IOException {
    setStatus(e.getErrorCode());//from ww w. j a  v a  2  s  .  c om
    if (!e.hasContent()) {
        return;
    }

    XMLStreamWriter writer = null;

    try {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        writer = XML_OUTPUT_FACTORY.createXMLStreamWriter(out);
        writer.writeStartDocument();
        e.writeTo(writer);
        writer.writeEndDocument();

        setContentType("text/xml; charset=UTF-8");
        byte[] bytes = out.toByteArray();
        setContentLength(bytes.length);
        getOutputStream().write(bytes);
    } catch (Exception e2) {
        LOG.error("Error writing XML", e2);
        LOG.error("Original exception", e);
        setStatus(500);
    } finally {
        if (writer != null) {
            try {
                writer.close();
            } catch (XMLStreamException e2) {
                LOG.warn("Unable to close XML writer", e2);
            }
        }
    }
}

From source file:org.vanbest.xmltv.Horizon.java

/**
 * @param args//from w w w. j av  a  2s.c om
 */
public static void main(String[] args) {
    Config config = Config.getDefaultConfig();
    Horizon horizon = new Horizon(config);
    horizon.clearCache();
    try {
        List<Channel> channels = horizon.getChannels();
        System.out.println("Channels: " + channels);
        XMLStreamWriter writer = XMLOutputFactory.newInstance()
                .createXMLStreamWriter(new FileWriter("horizon.xml"));
        writer.writeStartDocument();
        writer.writeCharacters("\n");
        writer.writeDTD("<!DOCTYPE tv SYSTEM \"xmltv.dtd\">");
        writer.writeCharacters("\n");
        writer.writeStartElement("tv");
        // List<Channel> my_channels = channels;
        List<Channel> my_channels = channels.subList(0, 5);
        for (Channel c : my_channels) {
            c.serialize(writer, true);
        }
        writer.flush();
        for (int day = 0; day < 5; day++) {
            List<Programme> programmes = horizon.getProgrammes(my_channels, day);
            for (Programme p : programmes) {
                p.serialize(writer);
            }
        }
        writer.writeEndElement();
        writer.writeEndDocument();
        writer.flush();
        if (!config.quiet) {
            EPGSource.Stats stats = horizon.getStats();
            System.out.println("Number of programmes from cache: " + stats.cacheHits);
            System.out.println("Number of programmes fetched: " + stats.cacheMisses);
            System.out.println("Number of fetch errors: " + stats.fetchErrors);
        }
        horizon.close();
    } catch (Exception e) {
        logger.error("Error in horizon testing", e);
    }
}

From source file:org.vanbest.xmltv.Main.java

public void fetchData() throws FactoryConfigurationError, Exception {
    if (!config.quiet) {
        showHeader();// ww w  . j av a 2s  .c o  m
        logger.info("Fetching programme data for " + this.days + " days starting from day " + this.offset);
        int enabledCount = 0;
        for (Channel c : config.channels) {
            if (c.enabled)
                enabledCount++;
        }
        logger.info("... from " + enabledCount + " channels");
        logger.info("... using cache at " + config.cacheDbHandle);
    }
    if (clearCache) {
        ProgrammeCache cache = new ProgrammeCache(config);
        cache.clear();
        cache.close();
    }
    Map<String, EPGSource> guides = new HashMap<String, EPGSource>();
    EPGSourceFactory factory = EPGSourceFactory.newInstance();
    // EPGSource gids = new TvGids(config);
    // if (clearCache) gids.clearCache();

    XMLStreamWriter writer = XMLOutputFactory.newInstance().createXMLStreamWriter(outputWriter);
    writer.writeStartDocument();
    writer.writeCharacters("\n");
    writer.writeDTD("<!DOCTYPE tv SYSTEM \"xmltv.dtd\">");
    writer.writeCharacters("\n");
    writer.writeStartElement("tv");
    writer.writeAttribute("generator-info-url", "http://github.com/janpascal/tv_grab_nl_java");
    writer.writeAttribute("source-info-url", "http://tvgids.nl/");
    writer.writeAttribute("source-info-name", "TvGids.nl");
    writer.writeAttribute("generator-info-name",
            "tv_grab_nl_java release " + config.project_version + ", built " + config.build_time);
    writer.writeCharacters(System.getProperty("line.separator"));

    for (Channel c : config.channels)
        if (c.enabled)
            c.serialize(writer, config.fetchLogos);

    for (int day = offset; day < offset + days; day++) {
        if (!config.quiet)
            System.out.print("Fetching information for day " + day);
        for (Channel c : config.channels) {
            if (!c.enabled)
                continue;
            if (!config.quiet)
                System.out.print(".");
            if (!guides.containsKey(c.source)) {
                guides.put(c.source, factory.createEPGSource(c.source, config));
            }
            List<Programme> programmes = guides.get(c.source).getProgrammes(c, day);
            for (Programme p : programmes)
                p.serialize(writer);
            writer.flush();
        }
        if (!config.quiet)
            System.out.println();
    }

    writer.writeEndElement();
    writer.writeEndDocument();
    writer.flush();
    writer.close();

    for (String source : guides.keySet()) {
        guides.get(source).close();
    }

    if (!config.quiet) {
        EPGSource.Stats stats = new EPGSource.Stats();
        for (String source : guides.keySet()) {
            EPGSource.Stats part = guides.get(source).getStats();
            stats.cacheHits += part.cacheHits;
            stats.cacheMisses += part.cacheMisses;
            stats.fetchErrors += part.fetchErrors;
        }
        logger.info("Number of programmes from cache: " + stats.cacheHits);
        logger.info("Number of programmes fetched: " + stats.cacheMisses);
        logger.warn("Number of fetch errors: " + stats.fetchErrors);
    }
}

From source file:org.vanbest.xmltv.RTL.java

/**
 * @param args// w w w . j  a v a2 s  .  c o  m
 * @throws FileNotFoundException
 */
public static void main(String[] args) throws FileNotFoundException {
    debug = true;
    Logger.getRootLogger().setLevel(Level.TRACE);

    Config config = Config.getDefaultConfig();
    config.niceMilliseconds = 50;
    RTL rtl = new RTL(config);
    if (debug) {
        rtl.cache.clear();
        logger.info("Writing CSV to rtl.csv");
        rtl.debugWriter = new PrintWriter(new BufferedOutputStream(new FileOutputStream("rtl.csv")));
        rtl.debugWriter.print("\"zender\",\"starttime\",\"title\",\"quark1\",\"quark2\",");
        /*
        for (int k = 0; k < rtl.xmlKeys.length; k++) {
                rtl.debugWriter.print(rtl.xmlKeys[k]);
                rtl.debugWriter.print(",");
        }
        */
        rtl.debugWriter.println();
    }

    try {
        List<Channel> channels = rtl.getChannels();
        logger.info("Channels: " + channels);
        XMLStreamWriter writer = XMLOutputFactory.newInstance()
                .createXMLStreamWriter(new FileWriter("rtl.xml"));
        writer.writeStartDocument();
        writer.writeCharacters("\n");
        writer.writeDTD("<!DOCTYPE tv SYSTEM \"xmltv.dtd\">");
        writer.writeCharacters("\n");
        writer.writeStartElement("tv");
        for (Channel c : channels) {
            c.serialize(writer, true);
        }
        writer.flush();
        // List<Programme> programmes =
        // rtl.getProgrammes(channels.subList(6, 9), 0);
        for (int day = 0; day < 10; day++) {
            List<Programme> programmes = rtl.getProgrammes(channels, day);
            for (Programme p : programmes) {
                p.serialize(writer);
            }
        }
        writer.writeEndElement();
        writer.writeEndDocument();
        writer.flush();
        if (!config.quiet) {
            EPGSource.Stats stats = rtl.getStats();
            logger.info("Number of programmes from cache: " + stats.cacheHits);
            logger.info("Number of programmes fetched: " + stats.cacheMisses);
            logger.info("Number of fetch errors: " + stats.fetchErrors);
        }
        if (debug) {
            rtl.debugWriter.flush();
            rtl.debugWriter.close();
        }
        rtl.close();
    } catch (Exception e) {
        // TODO Auto-generated catch block
        logger.debug("Exception in RTL.main()", e);
    }
}

From source file:org.vanbest.xmltv.TvGids.java

/**
 * @param args//from ww w.j a va2 s.  co m
 */
public static void main(String[] args) {
    Config config = Config.getDefaultConfig();
    TvGids gids = new TvGids(config);
    try {
        List<Channel> channels = gids.getChannels();
        System.out.println("Channels: " + channels);
        XMLStreamWriter writer = XMLOutputFactory.newInstance()
                .createXMLStreamWriter(new FileWriter("tvgids.xml"));
        writer.writeStartDocument();
        writer.writeCharacters("\n");
        writer.writeDTD("<!DOCTYPE tv SYSTEM \"xmltv.dtd\">");
        writer.writeCharacters("\n");
        writer.writeStartElement("tv");
        // List<Channel> my_channels = channels;
        List<Channel> my_channels = channels.subList(0, 15);
        for (Channel c : my_channels) {
            c.serialize(writer, true);
        }
        writer.flush();
        List<Programme> programmes = gids.getProgrammes(my_channels, 2);
        for (Programme p : programmes) {
            p.serialize(writer);
        }
        writer.writeEndElement();
        writer.writeEndDocument();
        writer.flush();
        if (!config.quiet) {
            EPGSource.Stats stats = gids.getStats();
            System.out.println("Number of programmes from cache: " + stats.cacheHits);
            System.out.println("Number of programmes fetched: " + stats.cacheMisses);
            System.out.println("Number of fetch errors: " + stats.fetchErrors);
        }
        gids.close();
    } catch (Exception e) {
        logger.error("Error in tvgids testing", e);
    }
}

From source file:org.vanbest.xmltv.ZiggoGids.java

/**
 * @param args//from   w w w.j  av a2  s  .co m
 */
public static void main(String[] args) {
    Config config = Config.getDefaultConfig();
    logger.setLevel(Level.TRACE);
    ZiggoGids gids = new ZiggoGids(config);
    try {
        List<Channel> channels = gids.getChannels();
        System.out.println("Channels: " + channels);

        XMLStreamWriter writer = XMLOutputFactory.newInstance()
                .createXMLStreamWriter(new FileWriter("ziggogids.xml"));
        writer.writeStartDocument();
        writer.writeCharacters("\n");
        writer.writeDTD("<!DOCTYPE tv SYSTEM \"xmltv.dtd\">");
        writer.writeCharacters("\n");
        writer.writeStartElement("tv");
        //List<Channel> my_channels = channels;
        //List<Channel> my_channels = channels.subList(0, 15);
        List<Channel> my_channels = channels.subList(0, 4);
        for (Channel c : my_channels) {
            c.serialize(writer, true);
        }
        writer.flush();
        List<Programme> programmes = gids.getProgrammes(my_channels, 2);
        for (Programme p : programmes) {
            p.serialize(writer);
        }
        writer.writeEndElement();
        writer.writeEndDocument();
        writer.flush();
        if (!config.quiet) {
            EPGSource.Stats stats = gids.getStats();
            System.out.println("Number of programmes from cache: " + stats.cacheHits);
            System.out.println("Number of programmes fetched: " + stats.cacheMisses);
            System.out.println("Number of fetch errors: " + stats.fetchErrors);
        }

        gids.close();
    } catch (Exception e) {
        logger.error("Error in ziggogids testing", e);
    }
}