Example usage for javax.xml.stream XMLStreamReader next

List of usage examples for javax.xml.stream XMLStreamReader next

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Introduction

In this page you can find the example usage for javax.xml.stream XMLStreamReader next.

Prototype

public int next() throws XMLStreamException;

Source Link

Document

Get next parsing event - a processor may return all contiguous character data in a single chunk, or it may split it into several chunks.

Usage

From source file:org.jasig.schedassist.impl.caldav.xml.ReportResponseHandlerImpl.java

/**
 * Extracts a {@link List} of {@link Calendar}s from the {@link InputStream}, if present.
 * /*  www .j av a 2  s.co  m*/
 * @param inputStream
 * @return a never null, but possibly empty {@link List} of {@link Calendar}s from the {@link InputStream}
 * @throws XmlParsingException in the event the stream could not be properly parsed
 */
public List<CalendarWithURI> extractCalendars(InputStream inputStream) {
    List<CalendarWithURI> results = new ArrayList<CalendarWithURI>();
    ByteArrayOutputStream capturedContent = null;
    XMLInputFactory factory = XMLInputFactory.newInstance();
    try {
        InputStream localReference = inputStream;
        if (log.isDebugEnabled()) {
            capturedContent = new ByteArrayOutputStream();
            localReference = new TeeInputStream(inputStream, capturedContent);
        }
        BufferedInputStream buffered = new BufferedInputStream(localReference);
        buffered.mark(1);
        int firstbyte = buffered.read();
        if (-1 == firstbyte) {
            // short circuit on empty stream
            return results;
        }
        buffered.reset();
        XMLStreamReader parser = factory.createXMLStreamReader(buffered);

        String currentUri = null;
        String currentEtag = null;
        for (int eventType = parser.next(); eventType != XMLStreamConstants.END_DOCUMENT; eventType = parser
                .next()) {
            switch (eventType) {
            case XMLStreamConstants.START_ELEMENT:
                QName name = parser.getName();
                if (isWebdavHrefElement(name)) {
                    currentUri = parser.getElementText();
                } else if (isWebdavEtagElement(name)) {
                    currentEtag = parser.getElementText();
                } else if (isCalendarDataElement(name)) {
                    Calendar cal = extractCalendar(parser.getElementText());
                    if (cal != null) {
                        CalendarWithURI withUri = new CalendarWithURI(cal, currentUri, currentEtag);
                        results.add(withUri);
                    } else if (log.isDebugEnabled()) {
                        log.debug("extractCalendar returned null for " + currentUri + ", skipping");
                    }
                }
                break;
            }
        }

        if (log.isDebugEnabled()) {
            log.debug("extracted " + results.size() + " calendar from " + capturedContent.toString());
        }

    } catch (XMLStreamException e) {
        if (capturedContent != null) {
            log.error("caught XMLStreamException in extractCalendars, captured content: "
                    + capturedContent.toString(), e);
        } else {
            log.error("caught XMLStreamException in extractCalendars, no captured content available", e);
        }
        throw new XmlParsingException("caught XMLStreamException in extractCalendars", e);
    } catch (IOException e) {
        log.error("caught IOException in extractCalendars", e);
        throw new XmlParsingException("caught IOException in extractCalendars", e);
    }

    return results;
}

From source file:org.jbpm.designer.web.profile.impl.JbpmProfileImpl.java

private void initializeLocalPlugins(ServletContext context) {
    Map<String, IDiagramPlugin> registry = PluginServiceImpl.getLocalPluginsRegistry(context);
    FileInputStream fileStream = null;
    try {/*from www. ja  v  a  2  s  . c om*/
        try {
            fileStream = new FileInputStream(new StringBuilder(context.getRealPath("/")).append("/")
                    .append(ConfigurationProvider.getInstance().getDesignerContext()).append("profiles")
                    .append("/").append("jbpm.xml").toString());
        } catch (FileNotFoundException e) {
            throw new RuntimeException(e);
        }
        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader reader = factory.createXMLStreamReader(fileStream, "UTF-8");
        while (reader.hasNext()) {
            if (reader.next() == XMLStreamReader.START_ELEMENT) {
                if ("profile".equals(reader.getLocalName())) {
                    for (int i = 0; i < reader.getAttributeCount(); i++) {
                        if ("stencilset".equals(reader.getAttributeLocalName(i))) {
                            _stencilSet = reader.getAttributeValue(i);
                        }
                    }
                } else if ("plugin".equals(reader.getLocalName())) {
                    String name = null;
                    for (int i = 0; i < reader.getAttributeCount(); i++) {
                        if ("name".equals(reader.getAttributeLocalName(i))) {
                            name = reader.getAttributeValue(i);
                        }
                    }
                    _plugins.put(name, registry.get(name));
                } else if ("localhistory".equals(reader.getLocalName())) {
                    for (int i = 0; i < reader.getAttributeCount(); i++) {
                        if ("enabled".equals(reader.getAttributeLocalName(i))) {
                            String localhistoryenabled = reader.getAttributeValue(i);
                            if (!isEmpty(localhistoryenabled)) {
                                _localHistoryEnabled = localhistoryenabled;
                            } else {
                                _logger.info("Invalid local history enabled");
                            }
                        }
                        if ("timeout".equals(reader.getAttributeLocalName(i))) {
                            String localhistorytimeout = reader.getAttributeValue(i);
                            if (!isEmpty(localhistorytimeout)) {
                                _localHistoryTimeout = localhistorytimeout;
                            } else {
                                _logger.info("Invalid local history timeout");
                            }
                        }
                    }
                } else if ("storesvgonsave".equals(reader.getLocalName())) {
                    for (int i = 0; i < reader.getAttributeCount(); i++) {
                        if ("enabled".equals(reader.getAttributeLocalName(i))) {
                            String storesvgonsaveenabled = reader.getAttributeValue(i);
                            if (!isEmpty(storesvgonsaveenabled)) {
                                _storeSVGonSaveOption = storesvgonsaveenabled;
                            } else {
                                _logger.info("Invalid store svg on save enabled");
                            }
                        }
                    }
                }
            }
        }
    } catch (XMLStreamException e) {
        _logger.error(e.getMessage(), e);
        throw new RuntimeException(e); // stop initialization
    } finally {
        if (fileStream != null) {
            try {
                fileStream.close();
            } catch (IOException e) {
            }
        }
        ;
    }
}

From source file:org.jbpm.designer.web.server.ProcessDiffServiceServlet.java

private List<String> getAssetVersions(String packageName, String assetName, String uuid,
        IDiagramProfile profile) {//from   ww w  . j a v  a  2s .c  om
    try {
        String assetVersionURL = RepositoryInfo.getRepositoryProtocol(profile) + "://"
                + RepositoryInfo.getRepositoryHost(profile) + "/"
                + RepositoryInfo.getRepositorySubdomain(profile).substring(0,
                        RepositoryInfo.getRepositorySubdomain(profile).indexOf("/"))
                + "/rest/packages/" + URLEncoder.encode(packageName, "UTF-8") + "/assets/" + assetName
                + "/versions/";
        List<String> versionList = new ArrayList<String>();

        XMLInputFactory factory = XMLInputFactory.newInstance();
        XMLStreamReader reader = factory.createXMLStreamReader(
                ServletUtil.getInputStreamForURL(assetVersionURL, "GET", profile), "UTF-8");
        boolean isFirstTitle = true;
        String title = "";
        while (reader.hasNext()) {
            int next = reader.next();
            if (next == XMLStreamReader.START_ELEMENT) {
                if ("title".equals(reader.getLocalName())) {
                    if (isFirstTitle) {
                        isFirstTitle = false;
                    } else {
                        versionList.add(reader.getElementText());
                    }
                }
            }
        }
        return versionList;
    } catch (Exception e) {
        _logger.error(e.getMessage());
        return null;
    }
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * {@inheritDoc}//from  ww w.j ava 2 s .c  o m
 */
@Override
public Config processConfig(XMLStreamReader aStreamReader) {
    JWebSocketConfig.Builder lConfigBuilder = new JWebSocketConfig.Builder();

    try {
        while (aStreamReader.hasNext()) {
            aStreamReader.next();
            if (aStreamReader.isStartElement()) {
                String lElementName = aStreamReader.getLocalName();
                if (lElementName.equals(ELEMENT_PROTOCOL)) {
                    aStreamReader.next();
                    lConfigBuilder.setProtocol(aStreamReader.getText());
                } else if (lElementName.equals(ELEMENT_NODE_ID)) {
                    aStreamReader.next();
                    lConfigBuilder.setNodeId(aStreamReader.getText());
                } else if (lElementName.equals(ELEMENT_LIBRARY_FOLDER)) {
                    aStreamReader.next();
                    lConfigBuilder.setLibraryFolder(aStreamReader.getText());
                } else if (lElementName.equals(ELEMENT_LIBRARIES)) {
                    List<LibraryConfig> lLibraries = handleLibraries(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setLibraries(lLibraries);
                } else if (lElementName.equals(ELEMENT_ENGINES)) {
                    List<EngineConfig> lEngines = handleEngines(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setEngines(lEngines);
                } else if (lElementName.equals(ELEMENT_SERVERS)) {
                    List<ServerConfig> lServers = handleServers(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setServers(lServers);
                } else if (lElementName.equals(ELEMENT_PLUGINS)) {
                    List<PluginConfig> lPlugins = handlePlugins(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setPlugins(lPlugins);
                } else if (lElementName.equals(ELEMENT_FILTERS)) {
                    List<FilterConfig> lFilters = handleFilters(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setFilters(lFilters);
                } else if (lElementName.equals(ELEMENT_LOGGING)) {
                    List<LoggingConfig> loggingConfigs = handleLoggingConfigs(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setLoggingConfig(loggingConfigs);
                } else if (lElementName.equals(ELEMENT_RIGHTS)) {
                    List<RightConfig> lGlobalRights = handleRights(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setGlobalRights(lGlobalRights);
                } else if (lElementName.equals(ELEMENT_ROLES)) {
                    List<RoleConfig> lRoles = handleRoles(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setGlobalRoles(lRoles);
                } else if (lElementName.equals(ELEMENT_USERS)) {
                    List<UserConfig> lUsers = handleUsers(aStreamReader);
                    lConfigBuilder = lConfigBuilder.setUsers(lUsers);
                } else {
                    // ignore
                }
            }
            if (aStreamReader.isEndElement()) {
                String lElementName = aStreamReader.getLocalName();
                if (lElementName.equals(JWEBSOCKET)) {
                    break;
                }
            }
        }
    } catch (XMLStreamException lEx) {
        throw new WebSocketRuntimeException("Error parsing jWebSocket.xml configuration file", lEx);
    }

    // if no filters where given in the .xml file
    // initialize empty filter list here
    if (lConfigBuilder.getFilters() == null) {
        lConfigBuilder.setFilters(new FastList<FilterConfig>());
    }

    // now return the config object, this is the only one config object that
    // should exists
    // in the system
    return lConfigBuilder.buildConfig();
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * private method to handle the user config.
 *
 * @param aStreamReader/*from   w  w  w  . j a  v a 2  s. c o m*/
 *      the stream reader object
 * @return the list of user config
 * @throws XMLStreamException
 *       if there's any exception reading configuration
 */
private List<UserConfig> handleUsers(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<UserConfig> lUsers = new FastList<UserConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_USER)) {
                UserConfig lUser = (UserConfig) handlerContext.get(lElementName).processConfig(aStreamReader);
                lUsers.add(lUser);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_USERS)) {
                break;
            }
        }
    }
    return lUsers;
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * method that reads the roles configuration
 *
 * @param aStreamReader/*from  ww w  .  jav  a 2 s.c om*/
 *      the stream reader object
 * @return the list of roles config
 * @throws XMLStreamException
 *       if there's any exception reading configuration
 */
private List<RoleConfig> handleRoles(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<RoleConfig> lRoles = new FastList<RoleConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_ROLE)) {
                RoleConfig lRole = (RoleConfig) handlerContext.get(lElementName).processConfig(aStreamReader);
                lRoles.add(lRole);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_ROLES)) {
                break;
            }
        }
    }
    return lRoles;
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * private method to read the list of rights configuration
 *
 * @param aStreamReader/*from   w  ww .j av a2  s.c om*/
 *      the stream reader object
 * @return the list of rights configuration
 * @throws XMLStreamException
 *       if there's any exception reading configuration
 */
private List<RightConfig> handleRights(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<RightConfig> lRights = new FastList<RightConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_RIGHT)) {
                RightConfig lRight = (RightConfig) handlerContext.get(lElementName)
                        .processConfig(aStreamReader);
                lRights.add(lRight);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_RIGHTS)) {
                break;
            }
        }
    }
    return lRights;
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * private method that reads the config for plugins
 *
 * @param aStreamReader/*w w w .j  av a 2  s .c om*/
 *      the stream reader object
 * @return the list of plugin configs
 * @throws XMLStreamException
 *       if exception occurs while reading
 */
protected List<PluginConfig> handlePlugins(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<PluginConfig> lPlugins = new FastList<PluginConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_PLUGIN)) {
                PluginConfig lPlugin = (PluginConfig) handlerContext.get(lElementName)
                        .processConfig(aStreamReader);
                lPlugins.add(lPlugin);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_PLUGINS)) {
                break;
            }
        }
    }
    return lPlugins;
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * private method that reads the config for filters
 *
 * @param aStreamReader/*from  w ww . j  a  v  a  2s .  c  o m*/
 *      the stream reader object
 * @return the list of filter configs
 * @throws XMLStreamException
 *       if exception occurs while reading
 */
protected List<FilterConfig> handleFilters(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<FilterConfig> lFilters = new FastList<FilterConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_FILTER)) {
                FilterConfig lFilter = (FilterConfig) handlerContext.get(lElementName)
                        .processConfig(aStreamReader);
                lFilters.add(lFilter);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_FILTERS)) {
                break;
            }
        }
    }
    return lFilters;
}

From source file:org.jwebsocket.config.xml.JWebSocketConfigHandler.java

/**
 * private method that reads the config for logging
 *
 * @param aStreamReader// w w w . j a v  a  2 s  .  c  om
 *      the stream reader object
 * @return the list of logging configs
 * @throws XMLStreamException
 *       if exception occurs while reading
 */
private List<LoggingConfig> handleLoggingConfigs(XMLStreamReader aStreamReader) throws XMLStreamException {
    List<LoggingConfig> loggingConfigs = new FastList<LoggingConfig>();
    while (aStreamReader.hasNext()) {
        aStreamReader.next();
        if (aStreamReader.isStartElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_LOG4J)) {
                LoggingConfig loggingConfig = (LoggingConfig) handlerContext.get(lElementName)
                        .processConfig(aStreamReader);
                loggingConfigs.add(loggingConfig);
            }
        }
        if (aStreamReader.isEndElement()) {
            String lElementName = aStreamReader.getLocalName();
            if (lElementName.equals(ELEMENT_LOGGING)) {
                break;
            }
        }
    }
    return loggingConfigs;
}