Java Code Examples for com.ibm.icu.util.TimeZone#getDefault()

/**
 * Initialize the transient fields, called from the constructor and
 * readObject.
 *
 * @param locale The locale
 */
private void initialize(ULocale locale) {
    ICUResourceBundle bundle = (ICUResourceBundle)ICUResourceBundle.getBundleInstance(
            ICUData.ICU_ZONE_BASE_NAME, locale);
    _zoneStrings = (ICUResourceBundle)bundle.get(ZONE_STRINGS_BUNDLE);

    // TODO: Access is synchronized, can we use a non-concurrent map?
    _tzNamesMap = new ConcurrentHashMap<String, ZNames>();
    _mzNamesMap = new ConcurrentHashMap<String, ZNames>();
    _namesFullyLoaded = false;

    _namesTrie = new TextTrieMap<NameInfo>(true);
    _namesTrieFullyLoaded = false;

    // Preload zone strings for the default time zone
    TimeZone tz = TimeZone.getDefault();
    String tzCanonicalID = ZoneMeta.getCanonicalCLDRID(tz);
    if (tzCanonicalID != null) {
        loadStrings(tzCanonicalID);
    }
}
 

/**
 * Private method initializing the instance of <code>TimeZoneGenericName</code>.
 * This method should be called from a constructor and readObject.
 */
private void init() {
    if (_tznames == null) {
        _tznames = TimeZoneNames.getInstance(_locale);
    }
    _genericLocationNamesMap = new ConcurrentHashMap<String, String>();
    _genericPartialLocationNamesMap = new ConcurrentHashMap<String, String>();

    _gnamesTrie = new TextTrieMap<NameInfo>(true);
    _gnamesTrieFullyLoaded = false;

    // Preload zone strings for the default time zone
    TimeZone tz = TimeZone.getDefault();
    String tzCanonicalID = ZoneMeta.getCanonicalCLDRID(tz);
    if (tzCanonicalID != null) {
        loadStrings(tzCanonicalID);
    }
}
 

public Object execute( Object[] arguments, IScriptFunctionContext scriptContext )
		throws BirtException
{
	if ( scriptContext != null )
	{
		locale = (ULocale) scriptContext
				.findProperty( org.eclipse.birt.core.script.functionservice.IScriptFunctionContext.LOCALE );
		timeZone = (TimeZone) scriptContext
				.findProperty( org.eclipse.birt.core.script.functionservice.IScriptFunctionContext.TIMEZONE );
	}
	if ( timeZone == null )
	{
		timeZone = TimeZone.getDefault( );
	}
	return executor.execute( arguments, scriptContext );
}
 

@Before
   public void apiSetUp() throws Exception
{

	
	defaultTimeZone = TimeZone.getDefault( );
	TimeZone.setDefault( TimeZone.getTimeZone( "GMT" ) );
	DataEngineContext context = DataEngineContext.newInstance( DataEngineContext.DIRECT_PRESENTATION,
			this.scriptContext,
			null,
			null,
			null );
	context.setTmpdir( this.getTempDir( ) );
	PlatformConfig cfg = new PlatformConfig();
	cfg.setTempDir(this.getTempDir( ));
	dataEngine = DataEngine.newDataEngine( cfg, context );
	prepareDataSource( );
}
 

/**
 * create a new context. Call close to finish using the execution context
 */
public ExecutionContext( EngineTask engineTask )
{
	if ( engineTask != null )
	{
		task = engineTask;
		engine = (ReportEngine) task.getEngine( );
		log = task.getLogger( );
	}
	else
	{
		log = Logger.getLogger( ExecutionContext.class.getName( ) );
	}

	ulocale = ULocale.getDefault( );
	timeZone = TimeZone.getDefault( );
	eventHandlerManager = new EventHandlerManager( );
}
 

/**
 * 
 * @param intervalStart
 * @param intervalRange
 * @throws BirtException
 */
public DateGroupCalculator(Object intervalStart, double intervalRange, ULocale locale, TimeZone timeZone ) throws BirtException
{
	super( intervalStart, intervalRange );
	range = (int)Math.round( intervalRange );
	range = (range == 0 ? 1 : range);
	if ( intervalStart != null )
		this.intervalStart = DataTypeUtil.toDate( intervalStart );
	this.locale = locale == null ? ULocale.getDefault( ):locale;
	this.timeZone = timeZone == null ? TimeZone.getDefault( ):timeZone;
	Calendar c = Calendar.getInstance( this.locale );
	c.setTimeZone( this.timeZone );
	c.clear( );
	c.set( 1970, 0, 1 );
	defaultStart = c.getTime( );
	
	this.dateTimeUtil = new DateTimeUtil( this.locale, this.timeZone );
}
 

/**
 * Get the TimeZone
 * @return A copy of the TimeZone associated with this date interval formatter.
 * @stable ICU 53
 */
public TimeZone getTimeZone()
{
    if ( fDateFormat != null ) {
        // Here we clone, like other getters here, but unlike
        // DateFormat.getTimeZone() and Calendar.getTimeZone()
        // which return the TimeZone from the Calendar's zone variable
        return (TimeZone)(fDateFormat.getTimeZone().clone());
    }
    // If fDateFormat is null (unexpected), return default timezone.
    return TimeZone.getDefault();
}
 

public void initialize( IEmitterServices service ) throws EngineException
{
	if ( service == null )
	{
		return;
	}
	out = EmitterUtil.getOuputStream( service, "report.xls" );
	if ( service.getReportEngine( ) != null )
	{
		this.tempFileDir = service.getReportEngine( ).getConfig( )
				.getTempDir( );
	}
	IReportContext reportContext = service.getReportContext( );
	if ( reportContext != null )
	{
		Locale locale = reportContext.getLocale( );
		this.locale = locale == null ? ULocale.getDefault( ) : ULocale
				.forLocale( locale );
		this.timeZone = reportContext.getTimeZone( );
		if ( timeZone == null )
		{
			timeZone = TimeZone.getDefault( );
		}
	}
	IRenderOption renderOption = service.getRenderOption( );
	Object option = renderOption
			.getOption( IExcelRenderOption.OPTION_MULTIPLE_SHEET );
	if ( option instanceof Boolean )
		enableMultipleSheet = (Boolean) option;
	this.reportContext = service.getReportContext( );
}
 

public TimeZone getTimeZone()
{
	if ( service != null )
	{
		IReportContext reportContext = service.getReportContext( );
		if ( reportContext != null )
		{
			return reportContext.getTimeZone( );
		}
	}
	return TimeZone.getDefault( );
}
 

public ITOCTree getTOCTree( String format, ULocale locale )
{
	if ( tocTree == null )
	{
		return null;
	}
	return new TOCView( tocTree, report.getReportDesign( ), locale,
			TimeZone.getDefault( ) );
}
 

public TimeZone getTimeZone()
{
	if ( service != null )
	{
		IReportContext reportContext = service.getReportContext( );
		if ( reportContext != null )
		{
			return reportContext.getTimeZone( );
		}
	}
	return TimeZone.getDefault( );
}
 

public static void setContext( IScriptFunctionContext context )
{
 scriptContext = context;
if ( scriptContext != null )
{
	timeZone = (TimeZone) scriptContext.findProperty( org.eclipse.birt.core.script.functionservice.IScriptFunctionContext.TIMEZONE );
}
if( timeZone == null )
{
	timeZone = TimeZone.getDefault( );
}
}
 

/**	
 * @param mode
 * @param scope
 * @param reader
 * @param writer
 * @throws BirtException
 */
public DataEngineContext( int mode, Scriptable scope,
		IDocArchiveReader reader, IDocArchiveWriter writer, ClassLoader classLoader, ScriptContext context )
		throws BirtException
{
	Object[] params = {
			Integer.valueOf( mode ), scope, reader, writer, classLoader
	};
	logger.entering( DataEngineContext.class.getName( ),
			"DataEngineContext", //$NON-NLS-1$
			params );
	
	if ( !( mode == MODE_GENERATION
			|| mode == MODE_PRESENTATION || mode == DIRECT_PRESENTATION || mode == MODE_UPDATE ) )
		throw new DataException( ResourceConstants.RD_INVALID_MODE );

	if ( writer == null && mode == MODE_GENERATION )
		throw new DataException( ResourceConstants.RD_INVALID_ARCHIVE );

	if ( reader == null && mode == MODE_PRESENTATION )
		throw new DataException( ResourceConstants.RD_INVALID_ARCHIVE );

	if ( reader == null && mode == MODE_UPDATE )
		throw new DataException( ResourceConstants.RD_INVALID_ARCHIVE );

	this.classLoader = classLoader;
	this.mode = mode;
	this.scope = scope;
	this.reader = reader;
	this.writer = writer;
	this.cacheOption = CACHE_USE_DEFAULT;
	this.scriptContext = context;
	this.currentLocale = ULocale.getDefault( );
	this.currentTimeZone = TimeZone.getDefault( );
	logger.exiting( DataEngineContext.class.getName( ), "DataEngineContext" ); //$NON-NLS-1$
}
 

public DateGroupCalculator( Object intervalStart, double intervalRange, ULocale locale, TimeZone timeZone ) throws BirtException
{
	super( intervalStart, intervalRange );
	ULocale aLocale = locale == null ? ULocale.getDefault( ):locale;
	TimeZone aZone = timeZone == null? TimeZone.getDefault( ):timeZone;
	
	Calendar c = Calendar.getInstance( aLocale );
	c.setTimeZone( aZone );
	c.clear( );
	c.set( 1970, 0, 1 );
	this.defaultStart = c.getTime( );
	this.dateTimeUtil = new DateTimeUtil( aLocale, aZone );
}
 

public Object execute( Object[] arguments, IScriptFunctionContext scriptContext )
		throws BirtException
{
	if ( scriptContext != null )
	{
		Object locale = scriptContext.findProperty(
				org.eclipse.birt.core.script.functionservice.IScriptFunctionContext.LOCALE );
		if ( !( locale instanceof ULocale ) )
		{
			locale = ULocale.getDefault( );
		}
		if ( threadLocale.get( ) != locale )
		{
			threadLocale.set( (ULocale) locale );
			List<SimpleDateFormat> sdfList = new ArrayList<SimpleDateFormat>( );
			sdfList.add(
					new SimpleDateFormat( "MMM", threadLocale.get( ) ) );
			sdfList.add(
					new SimpleDateFormat( "MMMM", threadLocale.get( ) ) );
			sdfList.add(
					new SimpleDateFormat( "EEE", threadLocale.get( ) ) );
			sdfList.add(
					new SimpleDateFormat( "EEEE", threadLocale.get( ) ) );
			threadSDFArray.set( sdfList );
		}

		Object timeZone = scriptContext.findProperty(
				org.eclipse.birt.core.script.functionservice.IScriptFunctionContext.TIMEZONE );
		if ( !( timeZone instanceof TimeZone ) )
		{
			timeZone = TimeZone.getDefault( );
		}
		if ( threadTimeZone.get( ) != timeZone )
		{
			threadTimeZone.set( (TimeZone) timeZone );
		}
	}
	return this.executor.execute( arguments, scriptContext );
}
 

/**
 * Initializes the common options based on the data extraction option. If
 * the passed option doesn't contain common options, use default values.
 * 
 * @param context
 * @param options
 *            options
 */
private void initCommonOptions( IReportContext context,
		IDataExtractionOption options )
{
	String dateFormat = null;
	ICommonDataExtractionOption commonOptions;
	if ( options instanceof ICommonDataExtractionOption )
	{
		commonOptions = (ICommonDataExtractionOption) options;
	}
	else
	{
		commonOptions = new CommonDataExtractionOption( options.getOptions( ) );
	}

	this.isLocaleNeutral = commonOptions.isLocaleNeutralFormat( );
	this.localeNeutralFlags = commonOptions.getLocaleNeutralFlags( );

	dateFormat = commonOptions.getDateFormat( );
	// get locale info
	Locale aLocale = null;
	if ( commonOptions.getLocale( ) != null )
	{
		aLocale = commonOptions.getLocale( );
	}
	else if ( context != null )
	{
		aLocale = context.getLocale( );
	}
	if ( aLocale == null )
	{
		this.locale = ULocale.forLocale( Locale.getDefault( ) );
	}
	else
	{
		this.locale = ULocale.forLocale( aLocale );
	}

	java.util.TimeZone javaTimeZone = commonOptions.getTimeZone( );
	if ( javaTimeZone != null )
	{
		// convert java time zone to ICU time zone
		this.timeZone = TimeZone.getTimeZone( javaTimeZone.getID( ) );
	}
	else if ( context != null )
	{
		timeZone = context.getTimeZone( );
	}
	else
	{
		timeZone = TimeZone.getDefault( );
	}

	if ( !isLocaleNeutral )
	{
		dateFormatter = createDateFormatter( dateFormat,
				this.locale,
				this.timeZone );
	}
	formatterMap = commonOptions.getFormatter( );
}
 

public DateTimeUtil( ULocale locale, TimeZone timeZone )
{
	this.locale = locale == null? ULocale.getDefault( ):locale;
	this.timeZone = timeZone == null?TimeZone.getDefault( ):timeZone;
}
 

/**
 * Construct a ChineseDateFormat from a date format pattern, numbering system override and locale
 * @param pattern the pattern
 * @param override The override string.  A numbering system override string can take one of the following forms:
 *     1). If just a numbering system name is specified, it applies to all numeric fields in the date format pattern.
 *     2). To specify an alternate numbering system on a field by field basis, use the field letters from the pattern
 *         followed by an = sign, followed by the numbering system name.  For example, to specify that just the year
 *         be formatted using Hebrew digits, use the override "y=hebr".  Multiple overrides can be specified in a single
 *         string by separating them with a semi-colon. For example, the override string "m=thai;y=deva" would format using
 *         Thai digits for the month and Devanagari digits for the year.
 * @param locale the locale
 * @deprecated ICU 50
 */
@Deprecated
public ChineseDateFormat(String pattern, String override, ULocale locale) {
   super(pattern, new ChineseDateFormatSymbols(locale),
           new ChineseCalendar(TimeZone.getDefault(), locale), locale, true, override);
}