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From telli...@apache.org
Subject svn commit: r598628 [3/6] - /harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/
Date Tue, 27 Nov 2007 13:03:23 GMT
Modified: harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/TimeZone.java
URL: http://svn.apache.org/viewvc/harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/TimeZone.java?rev=598628&r1=598627&r2=598628&view=diff
==============================================================================
--- harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/TimeZone.java (original)
+++ harmony/enhanced/classlib/trunk/modules/luni/src/main/java/java/util/TimeZone.java Tue
Nov 27 05:03:19 2007
@@ -17,7 +17,6 @@
 
 package java.util;
 
-
 import java.io.Serializable;
 import java.security.AccessController;
 import java.text.DateFormatSymbols;
@@ -29,511 +28,513 @@
  * daylight savings time rules. Subclasses support a particular calendar type,
  * such as the gregorian calendar.
  * 
- * Please note the type returned by factory methods, i.e. <code>getDefault()</code>

- * and <code>getTimeZone(String)</code>, is implementation dependent, so that

- * it may introduce serialization incompatibility issue between different implementations.

- * Harmony returns instance of {@link SimpleTimeZone SimpleTimeZone} so that the 
- * bytes serialized by Harmony can be deserialized on other implementation successfully,

- * but the reverse compatibility cannot be guaranteed. 
+ * Please note the type returned by factory methods, i.e.
+ * <code>getDefault()</code> and <code>getTimeZone(String)</code>,
is
+ * implementation dependent, so that it may introduce serialization
+ * incompatibility issue between different implementations. Harmony returns
+ * instance of {@link SimpleTimeZone SimpleTimeZone} so that the bytes
+ * serialized by Harmony can be deserialized on other implementation
+ * successfully, but the reverse compatibility cannot be guaranteed.
  * 
  * @see GregorianCalendar
  * @see SimpleTimeZone
  */
 
 public abstract class TimeZone implements Serializable, Cloneable {
-	private static final long serialVersionUID = 3581463369166924961L;
+    private static final long serialVersionUID = 3581463369166924961L;
 
-	/**
-	 * The SHORT display name style.
-	 */
-	public static final int SHORT = 0;
+    /**
+     * The SHORT display name style.
+     */
+    public static final int SHORT = 0;
 
-	/**
-	 * The LONG display name style.
-	 */
-	public static final int LONG = 1;
+    /**
+     * The LONG display name style.
+     */
+    public static final int LONG = 1;
 
-	private static HashMap<String, TimeZone> AvailableZones;
+    private static HashMap<String, TimeZone> AvailableZones;
 
-	private static TimeZone Default;
+    private static TimeZone Default;
 
-	static TimeZone GMT = new SimpleTimeZone(0, "GMT"); // Greenwich Mean Time
+    static TimeZone GMT = new SimpleTimeZone(0, "GMT"); // Greenwich Mean Time
 
-	private String ID;
+    private String ID;
 
-	private static void initializeAvailable() {
-		TimeZone[] zones = TimeZones.getTimeZones();
-		AvailableZones = new HashMap<String, TimeZone>((zones.length + 1) * 4 / 3);
-		AvailableZones.put(GMT.getID(), GMT);
-		for (int i = 0; i < zones.length; i++) {
+    private static void initializeAvailable() {
+        TimeZone[] zones = TimeZones.getTimeZones();
+        AvailableZones = new HashMap<String, TimeZone>(
+                (zones.length + 1) * 4 / 3);
+        AvailableZones.put(GMT.getID(), GMT);
+        for (int i = 0; i < zones.length; i++) {
             AvailableZones.put(zones[i].getID(), zones[i]);
         }
-	}
+    }
 
-	/**
-	 * Constructs a new instance of this class.
-	 * 
-	 */
-	public TimeZone() {
-	}
-
-	private void appendNumber(StringBuffer buffer, int count, int value) {
-		String string = Integer.toString(value);
-		if (count > string.length()) {
+    /**
+     * Constructs a new instance of this class.
+     * 
+     */
+    public TimeZone() {
+    }
+
+    private void appendNumber(StringBuffer buffer, int count, int value) {
+        String string = Integer.toString(value);
+        if (count > string.length()) {
             for (int i = 0; i < count - string.length(); i++) {
                 buffer.append('0');
             }
         }
-		buffer.append(string);
-	}
+        buffer.append(string);
+    }
 
-	/**
-	 * Answers a new TimeZone with the same ID, rawOffset and daylight savings
-	 * time rules as this TimeZone.
-	 * 
-	 * @return a shallow copy of this TimeZone
-	 * 
-	 * @see java.lang.Cloneable
-	 */
-	@Override
+    /**
+     * Answers a new TimeZone with the same ID, rawOffset and daylight savings
+     * time rules as this TimeZone.
+     * 
+     * @return a shallow copy of this TimeZone
+     * 
+     * @see java.lang.Cloneable
+     */
+    @Override
     public Object clone() {
-		try {
-			TimeZone zone = (TimeZone) super.clone();
-			return zone;
-		} catch (CloneNotSupportedException e) {
-			return null;
-		}
-	}
-
-	/**
-	 * Gets the available time zone IDs.
-	 * 
-	 * @return an array of time zone ID strings
-	 */
-	public static synchronized String[] getAvailableIDs() {
-		if (AvailableZones == null) {
+        try {
+            TimeZone zone = (TimeZone) super.clone();
+            return zone;
+        } catch (CloneNotSupportedException e) {
+            return null;
+        }
+    }
+
+    /**
+     * Gets the available time zone IDs.
+     * 
+     * @return an array of time zone ID strings
+     */
+    public static synchronized String[] getAvailableIDs() {
+        if (AvailableZones == null) {
             initializeAvailable();
         }
-		int length = AvailableZones.size();
-		String[] answer = new String[length];
-		Iterator<String> keys = AvailableZones.keySet().iterator();
-		for (int i = 0; i < length; i++) {
+        int length = AvailableZones.size();
+        String[] answer = new String[length];
+        Iterator<String> keys = AvailableZones.keySet().iterator();
+        for (int i = 0; i < length; i++) {
             answer[i] = keys.next();
         }
-		return answer;
-	}
+        return answer;
+    }
 
-	/**
-	 * Gets the available time zone IDs which match the specified offset from
-	 * GMT.
-	 * 
-	 * @param offset
-	 *            the offset from GMT in milliseconds
-	 * @return an array of time zone ID strings
-	 */
-	public static synchronized String[] getAvailableIDs(int offset) {
-		if (AvailableZones == null) {
+    /**
+     * Gets the available time zone IDs which match the specified offset from
+     * GMT.
+     * 
+     * @param offset
+     *            the offset from GMT in milliseconds
+     * @return an array of time zone ID strings
+     */
+    public static synchronized String[] getAvailableIDs(int offset) {
+        if (AvailableZones == null) {
             initializeAvailable();
         }
-		int count = 0, length = AvailableZones.size();
-		String[] all = new String[length];
-		Iterator<TimeZone> zones = AvailableZones.values().iterator();
-		for (int i = 0; i < length; i++) {
-			TimeZone tz = zones.next();
-			if (tz.getRawOffset() == offset) {
+        int count = 0, length = AvailableZones.size();
+        String[] all = new String[length];
+        Iterator<TimeZone> zones = AvailableZones.values().iterator();
+        for (int i = 0; i < length; i++) {
+            TimeZone tz = zones.next();
+            if (tz.getRawOffset() == offset) {
                 all[count++] = tz.getID();
             }
-		}
-		String[] answer = new String[count];
-		System.arraycopy(all, 0, answer, 0, count);
-		return answer;
-	}
-
-	/**
-	 * Gets the default time zone.
-	 * 
-	 * @return the default time zone
-	 */
-	public static synchronized TimeZone getDefault() {
-		if (Default == null) {
+        }
+        String[] answer = new String[count];
+        System.arraycopy(all, 0, answer, 0, count);
+        return answer;
+    }
+
+    /**
+     * Gets the default time zone.
+     * 
+     * @return the default time zone
+     */
+    public static synchronized TimeZone getDefault() {
+        if (Default == null) {
             setDefault(null);
         }
-		return (TimeZone) Default.clone();
-	}
+        return (TimeZone) Default.clone();
+    }
 
-	/**
-	 * Gets the LONG name for this TimeZone for the default Locale in standard
-	 * time. If the name is not available, the result is in the format
-	 * GMT[+-]hh:mm.
-	 * 
-	 * @return the TimeZone name
-	 */
-	public final String getDisplayName() {
-		return getDisplayName(false, LONG, Locale.getDefault());
-	}
-
-	/**
-	 * Gets the LONG name for this TimeZone for the specified Locale in standard
-	 * time. If the name is not available, the result is in the format
-	 * GMT[+-]hh:mm.
-	 * 
-	 * @param locale
-	 *            the Locale
-	 * @return the TimeZone name
-	 */
-	public final String getDisplayName(Locale locale) {
-		return getDisplayName(false, LONG, locale);
-	}
-
-	/**
-	 * Gets the specified style of name (LONG or SHORT) for this TimeZone for
-	 * the default Locale in either standard or daylight time as specified. If
-	 * the name is not available, the result is in the format GMT[+-]hh:mm.
-	 * 
-	 * @param daylightTime
-	 *            true for daylight time, false for standard time
-	 * @param style
-	 *            Either LONG or SHORT
-	 * @return the TimeZone name
-	 */
-	public final String getDisplayName(boolean daylightTime, int style) {
-		return getDisplayName(daylightTime, style, Locale.getDefault());
-	}
-
-	/**
-	 * Gets the specified style of name (LONG or SHORT) for this TimeZone for
-	 * the specified Locale in either standard or daylight time as specified. If
-	 * the name is not available, the result is in the format GMT[+-]hh:mm.
-	 * 
-	 * @param daylightTime
-	 *            true for daylight time, false for standard time
-	 * @param style
-	 *            Either LONG or SHORT
-	 * @param locale
-	 *            the Locale
-	 * @return the TimeZone name
-	 */
-	public String getDisplayName(boolean daylightTime, int style, Locale locale) {
-		if (style == SHORT || style == LONG) {
-			boolean useDaylight = daylightTime && useDaylightTime();
-			DateFormatSymbols data = new DateFormatSymbols(locale);
-			String id = getID();
-			String[][] zones = data.getZoneStrings();
-			for (int i = 0; i < zones.length; i++) {
+    /**
+     * Gets the LONG name for this TimeZone for the default Locale in standard
+     * time. If the name is not available, the result is in the format
+     * GMT[+-]hh:mm.
+     * 
+     * @return the TimeZone name
+     */
+    public final String getDisplayName() {
+        return getDisplayName(false, LONG, Locale.getDefault());
+    }
+
+    /**
+     * Gets the LONG name for this TimeZone for the specified Locale in standard
+     * time. If the name is not available, the result is in the format
+     * GMT[+-]hh:mm.
+     * 
+     * @param locale
+     *            the Locale
+     * @return the TimeZone name
+     */
+    public final String getDisplayName(Locale locale) {
+        return getDisplayName(false, LONG, locale);
+    }
+
+    /**
+     * Gets the specified style of name (LONG or SHORT) for this TimeZone for
+     * the default Locale in either standard or daylight time as specified. If
+     * the name is not available, the result is in the format GMT[+-]hh:mm.
+     * 
+     * @param daylightTime
+     *            true for daylight time, false for standard time
+     * @param style
+     *            Either LONG or SHORT
+     * @return the TimeZone name
+     */
+    public final String getDisplayName(boolean daylightTime, int style) {
+        return getDisplayName(daylightTime, style, Locale.getDefault());
+    }
+
+    /**
+     * Gets the specified style of name (LONG or SHORT) for this TimeZone for
+     * the specified Locale in either standard or daylight time as specified. If
+     * the name is not available, the result is in the format GMT[+-]hh:mm.
+     * 
+     * @param daylightTime
+     *            true for daylight time, false for standard time
+     * @param style
+     *            Either LONG or SHORT
+     * @param locale
+     *            the Locale
+     * @return the TimeZone name
+     */
+    public String getDisplayName(boolean daylightTime, int style, Locale locale) {
+        if (style == SHORT || style == LONG) {
+            boolean useDaylight = daylightTime && useDaylightTime();
+            DateFormatSymbols data = new DateFormatSymbols(locale);
+            String id = getID();
+            String[][] zones = data.getZoneStrings();
+            for (int i = 0; i < zones.length; i++) {
                 if (id.equals(zones[i][0])) {
-                    String res  = style == SHORT ? zones[i][useDaylight ? 4 : 2]
-							: zones[i][useDaylight ? 3 : 1];
-		     return res == null ? "" : res;
+                    String res = style == SHORT ? zones[i][useDaylight ? 4 : 2]
+                            : zones[i][useDaylight ? 3 : 1];
+                    return res == null ? "" : res;
                 }
             }
-			int offset = getRawOffset();
-			if (useDaylight && this instanceof SimpleTimeZone) {
+            int offset = getRawOffset();
+            if (useDaylight && this instanceof SimpleTimeZone) {
                 offset += ((SimpleTimeZone) this).getDSTSavings();
             }
-			offset /= 60000;
-			char sign = '+';
-			if (offset < 0) {
-				sign = '-';
-				offset = -offset;
-			}
-			StringBuffer buffer = new StringBuffer(9);
-			buffer.append("GMT");
-			buffer.append(sign);
-			appendNumber(buffer, 2, offset / 60);
-			buffer.append(':');
-			appendNumber(buffer, 2, offset % 60);
-			return buffer.toString();
-		}
-		throw new IllegalArgumentException();
-	}
-
-	/**
-	 * Gets the ID of this TimeZone.
-	 * 
-	 * @return the time zone ID string
-	 */
-	public String getID() {
-		return ID;
-	}
-
-	/**
-	 * Gets the daylight savings offset in milliseconds for this TimeZone.
-	 * <p>
-	 * This implementation returns 3600000 (1 hour), or 0 if the time zone does
-	 * not observe daylight savings.
-	 * <p>
-	 * Subclasses may override to return daylight savings values other than 1
-	 * hour.
-	 * <p>
-	 * 
-	 * @return the daylight savings offset in milliseconds if this TimeZone
-	 *         observes daylight savings, zero otherwise.
-	 * 
-	 */
-	public int getDSTSavings() {
-		if (useDaylightTime()) {
-			return 3600000;
-		}
-		return 0;
-	}
-
-	/**
-	 * Gets the offset from GMT of this TimeZone for the specified date. The
-	 * offset includes daylight savings time if the specified date is within the
-	 * daylight savings time period.
-	 * 
-	 * @param time
-	 *            the date in milliseconds since January 1, 1970 00:00:00 GMT
-	 * @return the offset from GMT in milliseconds
-	 */
-	public int getOffset(long time) {
-		if (inDaylightTime(new Date(time))) {
-			return getRawOffset() + getDSTSavings();
-		}
-		return getRawOffset();
-	}
-
-	/**
-	 * Gets the offset from GMT of this TimeZone for the specified date and
-	 * time. The offset includes daylight savings time if the specified date and
-	 * time are within the daylight savings time period.
-	 * 
-	 * @param era
-	 *            the GregorianCalendar era, either GregorianCalendar.BC or
-	 *            GregorianCalendar.AD
-	 * @param year
-	 *            the year
-	 * @param month
-	 *            the Calendar month
-	 * @param day
-	 *            the day of the month
-	 * @param dayOfWeek
-	 *            the Calendar day of the week
-	 * @param time
-	 *            the time of day in milliseconds
-	 * @return the offset from GMT in milliseconds
-	 */
-	abstract public int getOffset(int era, int year, int month, int day,
-			int dayOfWeek, int time);
-
-	/**
-	 * Gets the offset for standard time from GMT for this TimeZone.
-	 * 
-	 * @return the offset from GMT in milliseconds
-	 */
-	abstract public int getRawOffset();
-
-	/**
-	 * Gets the time zone with the specified ID.
-	 * 
-	 * @param name
-	 *            a time zone string ID
-	 * @return the time zone with the specified ID or null if a time zone with
-	 *         the specified ID does not exist
-	 */
-	public static synchronized TimeZone getTimeZone(String name) {
-		if (AvailableZones == null) {
+            offset /= 60000;
+            char sign = '+';
+            if (offset < 0) {
+                sign = '-';
+                offset = -offset;
+            }
+            StringBuffer buffer = new StringBuffer(9);
+            buffer.append("GMT");
+            buffer.append(sign);
+            appendNumber(buffer, 2, offset / 60);
+            buffer.append(':');
+            appendNumber(buffer, 2, offset % 60);
+            return buffer.toString();
+        }
+        throw new IllegalArgumentException();
+    }
+
+    /**
+     * Gets the ID of this TimeZone.
+     * 
+     * @return the time zone ID string
+     */
+    public String getID() {
+        return ID;
+    }
+
+    /**
+     * Gets the daylight savings offset in milliseconds for this TimeZone.
+     * <p>
+     * This implementation returns 3600000 (1 hour), or 0 if the time zone does
+     * not observe daylight savings.
+     * <p>
+     * Subclasses may override to return daylight savings values other than 1
+     * hour.
+     * <p>
+     * 
+     * @return the daylight savings offset in milliseconds if this TimeZone
+     *         observes daylight savings, zero otherwise.
+     * 
+     */
+    public int getDSTSavings() {
+        if (useDaylightTime()) {
+            return 3600000;
+        }
+        return 0;
+    }
+
+    /**
+     * Gets the offset from GMT of this TimeZone for the specified date. The
+     * offset includes daylight savings time if the specified date is within the
+     * daylight savings time period.
+     * 
+     * @param time
+     *            the date in milliseconds since January 1, 1970 00:00:00 GMT
+     * @return the offset from GMT in milliseconds
+     */
+    public int getOffset(long time) {
+        if (inDaylightTime(new Date(time))) {
+            return getRawOffset() + getDSTSavings();
+        }
+        return getRawOffset();
+    }
+
+    /**
+     * Gets the offset from GMT of this TimeZone for the specified date and
+     * time. The offset includes daylight savings time if the specified date and
+     * time are within the daylight savings time period.
+     * 
+     * @param era
+     *            the GregorianCalendar era, either GregorianCalendar.BC or
+     *            GregorianCalendar.AD
+     * @param year
+     *            the year
+     * @param month
+     *            the Calendar month
+     * @param day
+     *            the day of the month
+     * @param dayOfWeek
+     *            the Calendar day of the week
+     * @param time
+     *            the time of day in milliseconds
+     * @return the offset from GMT in milliseconds
+     */
+    abstract public int getOffset(int era, int year, int month, int day,
+            int dayOfWeek, int time);
+
+    /**
+     * Gets the offset for standard time from GMT for this TimeZone.
+     * 
+     * @return the offset from GMT in milliseconds
+     */
+    abstract public int getRawOffset();
+
+    /**
+     * Gets the time zone with the specified ID.
+     * 
+     * @param name
+     *            a time zone string ID
+     * @return the time zone with the specified ID or null if a time zone with
+     *         the specified ID does not exist
+     */
+    public static synchronized TimeZone getTimeZone(String name) {
+        if (AvailableZones == null) {
             initializeAvailable();
         }
-		TimeZone zone = AvailableZones.get(name);
-		if (zone == null) {
-			if (name.startsWith("GMT") && name.length() > 3) {
-				char sign = name.charAt(3);
-				if (sign == '+' || sign == '-') {
-					int[] position = new int[1];
-					String formattedName = formatTimeZoneName(name, 4);
-					int hour = parseNumber(formattedName, 4, position);
-					if (hour < 0 || hour > 23) {
-						return (TimeZone) GMT.clone();
-					}
-					int index = position[0];
-					if (index != -1) {
-						int raw = hour * 3600000;
-						if (index < formattedName.length()
-								&& formattedName.charAt(index) == ':') {
-							int minute = parseNumber(formattedName, index + 1,
-									position);
-							if (position[0] == -1 || minute < 0 || minute > 59) {
+        TimeZone zone = AvailableZones.get(name);
+        if (zone == null) {
+            if (name.startsWith("GMT") && name.length() > 3) {
+                char sign = name.charAt(3);
+                if (sign == '+' || sign == '-') {
+                    int[] position = new int[1];
+                    String formattedName = formatTimeZoneName(name, 4);
+                    int hour = parseNumber(formattedName, 4, position);
+                    if (hour < 0 || hour > 23) {
+                        return (TimeZone) GMT.clone();
+                    }
+                    int index = position[0];
+                    if (index != -1) {
+                        int raw = hour * 3600000;
+                        if (index < formattedName.length()
+                                && formattedName.charAt(index) == ':') {
+                            int minute = parseNumber(formattedName, index + 1,
+                                    position);
+                            if (position[0] == -1 || minute < 0 || minute > 59) {
                                 return (TimeZone) GMT.clone();
                             }
-							raw += minute * 60000;
-						} else if (hour >= 30 || index > 6) {
-							raw = (hour / 100 * 3600000) + (hour % 100 * 60000);
-						}
-						if (sign == '-') {
+                            raw += minute * 60000;
+                        } else if (hour >= 30 || index > 6) {
+                            raw = (hour / 100 * 3600000) + (hour % 100 * 60000);
+                        }
+                        if (sign == '-') {
                             raw = -raw;
                         }
-						return new SimpleTimeZone(raw, formattedName);
-					}
-				}
-			}
-			zone = GMT;
-		}
-		return (TimeZone) zone.clone();
-	}
-
-	private static String formatTimeZoneName(String name, int offset) {
-		StringBuffer buf = new StringBuffer();
-		int index = offset, length = name.length();
-		buf.append(name.substring(0, offset));
-
-		while (index < length) {
-			if (Character.digit(name.charAt(index), 10) != -1) {
-				buf.append(name.charAt(index));
-				if ((length - (index + 1)) == 2) {
-					buf.append(':');
-				}
-			} else if (name.charAt(index) == ':') {
-				buf.append(':');
-			}
-			index++;
-		}
-
-		if (buf.toString().indexOf(":") == -1) {
-			buf.append(':');
-			buf.append("00");
-		}
-
-		if (buf.toString().indexOf(":") == 5) {
-			buf.insert(4, '0');
-		}
-
-		return buf.toString();
-	}
-
-	/**
-	 * Answers if the specified TimeZone has the same raw offset as this
-	 * TimeZone.
-	 * 
-	 * @param zone
-	 *            a TimeZone
-	 * @return true when the TimeZones have the same raw offset, false otherwise
-	 */
-	public boolean hasSameRules(TimeZone zone) {
-		if (zone == null) {
+                        return new SimpleTimeZone(raw, formattedName);
+                    }
+                }
+            }
+            zone = GMT;
+        }
+        return (TimeZone) zone.clone();
+    }
+
+    private static String formatTimeZoneName(String name, int offset) {
+        StringBuffer buf = new StringBuffer();
+        int index = offset, length = name.length();
+        buf.append(name.substring(0, offset));
+
+        while (index < length) {
+            if (Character.digit(name.charAt(index), 10) != -1) {
+                buf.append(name.charAt(index));
+                if ((length - (index + 1)) == 2) {
+                    buf.append(':');
+                }
+            } else if (name.charAt(index) == ':') {
+                buf.append(':');
+            }
+            index++;
+        }
+
+        if (buf.toString().indexOf(":") == -1) {
+            buf.append(':');
+            buf.append("00");
+        }
+
+        if (buf.toString().indexOf(":") == 5) {
+            buf.insert(4, '0');
+        }
+
+        return buf.toString();
+    }
+
+    /**
+     * Answers if the specified TimeZone has the same raw offset as this
+     * TimeZone.
+     * 
+     * @param zone
+     *            a TimeZone
+     * @return true when the TimeZones have the same raw offset, false otherwise
+     */
+    public boolean hasSameRules(TimeZone zone) {
+        if (zone == null) {
             return false;
         }
-		return getRawOffset() == zone.getRawOffset();
-	}
+        return getRawOffset() == zone.getRawOffset();
+    }
+
+    /**
+     * Answers if the specified Date is in the daylight savings time period for
+     * this TimeZone.
+     * 
+     * @param time
+     *            a Date
+     * @return true when the Date is in the daylight savings time period, false
+     *         otherwise
+     */
+    abstract public boolean inDaylightTime(Date time);
+
+    private static int parseNumber(String string, int offset, int[] position) {
+        int index = offset, length = string.length(), digit, result = 0;
+        while (index < length
+                && (digit = Character.digit(string.charAt(index), 10)) != -1) {
+            index++;
+            result = result * 10 + digit;
+        }
+        position[0] = index == offset ? -1 : index;
+        return result;
+    }
+
+    /**
+     * Sets the default time zone.
+     * 
+     * @param timezone
+     *            a TimeZone object
+     */
+    public static synchronized void setDefault(TimeZone timezone) {
+        if (timezone != null) {
+            Default = timezone;
+            return;
+        }
+
+        String zone = AccessController.doPrivileged(new PriviAction<String>(
+                "user.timezone"));
+
+        // if property user.timezone is not set, we call the native method
+        // getCustomTimeZone
+        if (zone == null) {
+            int[] tzinfo = new int[10];
+            boolean[] isCustomTimeZone = new boolean[1];
+
+            String zoneId = getCustomTimeZone(tzinfo, isCustomTimeZone);
+
+            // if returned TimeZone is a user customized TimeZone
+            if (isCustomTimeZone[0]) {
+                // build a new SimpleTimeZone
+                switch (tzinfo[1]) {
+                case 0:
+                    // does not observe DST
+                    Default = new SimpleTimeZone(tzinfo[0], zoneId);
+                    break;
+                default:
+                    // observes DST
+                    Default = new SimpleTimeZone(tzinfo[0], zoneId, tzinfo[5],
+                            tzinfo[4], tzinfo[3], tzinfo[2], tzinfo[9],
+                            tzinfo[8], tzinfo[7], tzinfo[6], tzinfo[1]);
+                }
+            } else {
+                // get TimeZone
+                Default = getTimeZone(zoneId);
+            }
+        } else {
+            // if property user.timezone is set in command line (with -D option)
+            Default = getTimeZone(zone);
+        }
+    }
 
-	/**
-	 * Answers if the specified Date is in the daylight savings time period for
-	 * this TimeZone.
-	 * 
-	 * @param time
-	 *            a Date
-	 * @return true when the Date is in the daylight savings time period, false
-	 *         otherwise
-	 */
-	abstract public boolean inDaylightTime(Date time);
-
-	private static int parseNumber(String string, int offset, int[] position) {
-		int index = offset, length = string.length(), digit, result = 0;
-		while (index < length
-				&& (digit = Character.digit(string.charAt(index), 10)) != -1) {
-			index++;
-			result = result * 10 + digit;
-		}
-		position[0] = index == offset ? -1 : index;
-		return result;
-	}
-
-	/**
-	 * Sets the default time zone.
-	 * 
-	 * @param timezone
-	 *            a TimeZone object
-	 */
-	public static synchronized void setDefault(TimeZone timezone) {
-		if (timezone != null) {
-			Default = timezone;
-			return;
-		}
-
-		String zone = AccessController.doPrivileged(new PriviAction<String>(
-				"user.timezone"));
-
-		// if property user.timezone is not set, we call the native method
-		// getCustomTimeZone
-		if (zone == null) {
-			int[] tzinfo = new int[10];
-			boolean[] isCustomTimeZone = new boolean[1];
-
-			String zoneId = getCustomTimeZone(tzinfo, isCustomTimeZone);
-
-			// if returned TimeZone is a user customized TimeZone
-			if (isCustomTimeZone[0]) {
-				// build a new SimpleTimeZone
-				switch (tzinfo[1]) {
-				case 0:
-					// does not observe DST
-					Default = new SimpleTimeZone(tzinfo[0], zoneId);
-					break;
-				default:
-					// observes DST
-					Default = new SimpleTimeZone(tzinfo[0], zoneId, tzinfo[5],
-							tzinfo[4], tzinfo[3], tzinfo[2], tzinfo[9],
-							tzinfo[8], tzinfo[7], tzinfo[6], tzinfo[1]);
-				}
-			} else {
-				// get TimeZone
-				Default = getTimeZone(zoneId);
-			}
-		} else {
-			// if property user.timezone is set in command line (with -D option)
-			Default = getTimeZone(zone);
-		}
-	}
-
-	/**
-	 * Sets the ID of this TimeZone.
-	 * 
-	 * @param name
-	 *            a string which is the time zone ID
-	 */
-	public void setID(String name) {
-		if (name == null) {
+    /**
+     * Sets the ID of this TimeZone.
+     * 
+     * @param name
+     *            a string which is the time zone ID
+     */
+    public void setID(String name) {
+        if (name == null) {
             throw new NullPointerException();
         }
-		ID = name;
-	}
+        ID = name;
+    }
 
-	/**
-	 * Sets the offset for standard time from GMT for this TimeZone.
-	 * 
-	 * @param offset
-	 *            the offset from GMT in milliseconds
-	 */
-	abstract public void setRawOffset(int offset);
-
-	/**
-	 * Answers if this TimeZone has a daylight savings time period.
-	 * 
-	 * @return true if this time zone has a daylight savings time period, false
-	 *         otherwise
-	 */
-	abstract public boolean useDaylightTime();
-
-	/**
-	 * Gets the name and the details of the user-selected TimeZone on the
-	 * device.
-	 * 
-	 * @param tzinfo
-	 *            int array of 10 elements to be filled with the TimeZone
-	 *            information. Once filled, the contents of the array are
-	 *            formatted as follows: tzinfo[0] -> the timezone offset;
-	 *            tzinfo[1] -> the dst adjustment; tzinfo[2] -> the dst start
-	 *            hour; tzinfo[3] -> the dst start day of week; tzinfo[4] -> the
-	 *            dst start week of month; tzinfo[5] -> the dst start month;
-	 *            tzinfo[6] -> the dst end hour; tzinfo[7] -> the dst end day of
-	 *            week; tzinfo[8] -> the dst end week of month; tzinfo[9] -> the
-	 *            dst end month;
-	 * @param isCustomTimeZone
-	 *            boolean array of size 1 that indicates if a timezone
-	 *            match is found
-	 * @return the name of the TimeZone or null if error occurs in native
-	 *         method.
-	 */
-	private static native String getCustomTimeZone(int[] tzinfo,
-			boolean[] isCustomTimeZone);
+    /**
+     * Sets the offset for standard time from GMT for this TimeZone.
+     * 
+     * @param offset
+     *            the offset from GMT in milliseconds
+     */
+    abstract public void setRawOffset(int offset);
+
+    /**
+     * Answers if this TimeZone has a daylight savings time period.
+     * 
+     * @return true if this time zone has a daylight savings time period, false
+     *         otherwise
+     */
+    abstract public boolean useDaylightTime();
+
+    /**
+     * Gets the name and the details of the user-selected TimeZone on the
+     * device.
+     * 
+     * @param tzinfo
+     *            int array of 10 elements to be filled with the TimeZone
+     *            information. Once filled, the contents of the array are
+     *            formatted as follows: tzinfo[0] -> the timezone offset;
+     *            tzinfo[1] -> the dst adjustment; tzinfo[2] -> the dst start
+     *            hour; tzinfo[3] -> the dst start day of week; tzinfo[4] -> the
+     *            dst start week of month; tzinfo[5] -> the dst start month;
+     *            tzinfo[6] -> the dst end hour; tzinfo[7] -> the dst end day of
+     *            week; tzinfo[8] -> the dst end week of month; tzinfo[9] -> the
+     *            dst end month;
+     * @param isCustomTimeZone
+     *            boolean array of size 1 that indicates if a timezone match is
+     *            found
+     * @return the name of the TimeZone or null if error occurs in native
+     *         method.
+     */
+    private static native String getCustomTimeZone(int[] tzinfo,
+            boolean[] isCustomTimeZone);
 }



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