package java.text;
+import gnu.java.text.AttributedFormatBuffer;
+import gnu.java.text.FormatBuffer;
+import gnu.java.text.FormatCharacterIterator;
+import gnu.java.text.StringFormatBuffer;
+
+import java.io.IOException;
+import java.io.ObjectInputStream;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import java.util.Iterator;
import java.util.Locale;
-import java.util.TimeZone;
import java.util.SimpleTimeZone;
-import java.io.ObjectInputStream;
-import java.io.IOException;
+import java.util.TimeZone;
/**
* SimpleDateFormat provides convenient methods for parsing and formatting
// This string is specified in the JCL. We set it here rather than
// do a DateFormatSymbols(Locale.US).getLocalPatternChars() since
// someone could theoretically change those values (though unlikely).
- private static final String standardChars = "GyMdkHmsSEDFwWahKz";
+ private static final String standardChars = "GyMdkHmsSEDFwWahKzZ";
private void readObject(ObjectInputStream stream)
throws IOException, ClassNotFoundException
* appending to the specified StringBuffer. The input StringBuffer
* is returned as output for convenience.
*/
- public StringBuffer format(Date date, StringBuffer buffer, FieldPosition pos)
+ final private void formatWithAttribute(Date date, FormatBuffer buffer, FieldPosition pos)
{
String temp;
+ AttributedCharacterIterator.Attribute attribute;
calendar.setTime(date);
-
- // go through ArrayList, filling in fields where applicable, else toString
- Iterator i = tokens.iterator();
- while (i.hasNext()) {
- Object o = i.next();
- if (o instanceof FieldSizePair) {
- FieldSizePair p = (FieldSizePair) o;
- int beginIndex = buffer.length();
- switch (p.field) {
- case ERA_FIELD:
- buffer.append(formatData.eras[calendar.get(Calendar.ERA)]);
- break;
- case YEAR_FIELD:
- // If we have two digits, then we truncate. Otherwise, we
- // use the size of the pattern, and zero pad.
- if (p.size == 2)
- {
- temp = String.valueOf(calendar.get(Calendar.YEAR));
- buffer.append(temp.substring(temp.length() - 2));
- }
- else
- withLeadingZeros(calendar.get(Calendar.YEAR), p.size, buffer);
- break;
- case MONTH_FIELD:
- if (p.size < 3)
- withLeadingZeros(calendar.get(Calendar.MONTH)+1,p.size,buffer);
- else if (p.size < 4)
- buffer.append(formatData.shortMonths[calendar.get(Calendar.MONTH)]);
- else
- buffer.append(formatData.months[calendar.get(Calendar.MONTH)]);
- break;
- case DATE_FIELD:
- withLeadingZeros(calendar.get(Calendar.DATE),p.size,buffer);
- break;
- case HOUR_OF_DAY1_FIELD: // 1-24
- withLeadingZeros(((calendar.get(Calendar.HOUR_OF_DAY)+23)%24)+1,p.size,buffer);
- break;
- case HOUR_OF_DAY0_FIELD: // 0-23
- withLeadingZeros(calendar.get(Calendar.HOUR_OF_DAY),p.size,buffer);
- break;
- case MINUTE_FIELD:
- withLeadingZeros(calendar.get(Calendar.MINUTE),p.size,buffer);
- break;
- case SECOND_FIELD:
- withLeadingZeros(calendar.get(Calendar.SECOND),p.size,buffer);
- break;
- case MILLISECOND_FIELD:
- withLeadingZeros(calendar.get(Calendar.MILLISECOND),p.size,buffer);
- break;
- case DAY_OF_WEEK_FIELD:
- if (p.size < 4)
- buffer.append(formatData.shortWeekdays[calendar.get(Calendar.DAY_OF_WEEK)]);
- else
- buffer.append(formatData.weekdays[calendar.get(Calendar.DAY_OF_WEEK)]);
- break;
- case DAY_OF_YEAR_FIELD:
- withLeadingZeros(calendar.get(Calendar.DAY_OF_YEAR),p.size,buffer);
- break;
- case DAY_OF_WEEK_IN_MONTH_FIELD:
- withLeadingZeros(calendar.get(Calendar.DAY_OF_WEEK_IN_MONTH),p.size,buffer);
- break;
- case WEEK_OF_YEAR_FIELD:
- withLeadingZeros(calendar.get(Calendar.WEEK_OF_YEAR),p.size,buffer);
- break;
- case WEEK_OF_MONTH_FIELD:
- withLeadingZeros(calendar.get(Calendar.WEEK_OF_MONTH),p.size,buffer);
- break;
- case AM_PM_FIELD:
- buffer.append(formatData.ampms[calendar.get(Calendar.AM_PM)]);
- break;
- case HOUR1_FIELD: // 1-12
- withLeadingZeros(((calendar.get(Calendar.HOUR)+11)%12)+1,p.size,buffer);
- break;
- case HOUR0_FIELD: // 0-11
- withLeadingZeros(calendar.get(Calendar.HOUR),p.size,buffer);
- break;
- case TIMEZONE_FIELD:
- TimeZone zone = calendar.getTimeZone();
- boolean isDST = calendar.get(Calendar.DST_OFFSET) != 0;
- // FIXME: XXX: This should be a localized time zone.
- String zoneID = zone.getDisplayName(isDST, p.size > 3 ? TimeZone.LONG : TimeZone.SHORT);
- buffer.append(zoneID);
- break;
- default:
- throw new IllegalArgumentException("Illegal pattern character");
- }
- if (pos != null && p.field == pos.getField())
+
+ // go through vector, filling in fields where applicable, else toString
+ Iterator iter = tokens.iterator();
+ while (iter.hasNext())
+ {
+ Object o = iter.next();
+ if (o instanceof FieldSizePair)
{
- pos.setBeginIndex(beginIndex);
- pos.setEndIndex(buffer.length());
- }
- } else {
- buffer.append(o.toString());
+ FieldSizePair p = (FieldSizePair) o;
+ int beginIndex = buffer.length();
+
+ switch (p.field)
+ {
+ case ERA_FIELD:
+ buffer.append (formatData.eras[calendar.get (Calendar.ERA)], DateFormat.Field.ERA);
+ break;
+ case YEAR_FIELD:
+ // If we have two digits, then we truncate. Otherwise, we
+ // use the size of the pattern, and zero pad.
+ buffer.setDefaultAttribute (DateFormat.Field.YEAR);
+ if (p.size == 2)
+ {
+ temp = String.valueOf (calendar.get (Calendar.YEAR));
+ buffer.append (temp.substring (temp.length() - 2));
+ }
+ else
+ withLeadingZeros (calendar.get (Calendar.YEAR), p.size, buffer);
+ break;
+ case MONTH_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MONTH);
+ if (p.size < 3)
+ withLeadingZeros (calendar.get (Calendar.MONTH) + 1, p.size, buffer);
+ else if (p.size < 4)
+ buffer.append (formatData.shortMonths[calendar.get (Calendar.MONTH)]);
+ else
+ buffer.append (formatData.months[calendar.get (Calendar.MONTH)]);
+ break;
+ case DATE_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.DAY_OF_MONTH);
+ withLeadingZeros (calendar.get (Calendar.DATE), p.size, buffer);
+ break;
+ case HOUR_OF_DAY1_FIELD: // 1-24
+ buffer.setDefaultAttribute(DateFormat.Field.HOUR_OF_DAY1);
+ withLeadingZeros ( ((calendar.get (Calendar.HOUR_OF_DAY) + 23) % 24) + 1,
+ p.size, buffer);
+ break;
+ case HOUR_OF_DAY0_FIELD: // 0-23
+ buffer.setDefaultAttribute (DateFormat.Field.HOUR_OF_DAY0);
+ withLeadingZeros (calendar.get (Calendar.HOUR_OF_DAY), p.size, buffer);
+ break;
+ case MINUTE_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MINUTE);
+ withLeadingZeros (calendar.get (Calendar.MINUTE),
+ p.size, buffer);
+ break;
+ case SECOND_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.SECOND);
+ withLeadingZeros(calendar.get (Calendar.SECOND),
+ p.size, buffer);
+ break;
+ case MILLISECOND_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MILLISECOND);
+ withLeadingZeros (calendar.get (Calendar.MILLISECOND), p.size, buffer);
+ break;
+ case DAY_OF_WEEK_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.DAY_OF_WEEK);
+ if (p.size < 4)
+ buffer.append (formatData.shortWeekdays[calendar.get (Calendar.DAY_OF_WEEK)]);
+ else
+ buffer.append (formatData.weekdays[calendar.get (Calendar.DAY_OF_WEEK)]);
+ break;
+ case DAY_OF_YEAR_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.DAY_OF_YEAR);
+ withLeadingZeros (calendar.get (Calendar.DAY_OF_YEAR), p.size, buffer);
+ break;
+ case DAY_OF_WEEK_IN_MONTH_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.DAY_OF_WEEK_IN_MONTH);
+ withLeadingZeros (calendar.get (Calendar.DAY_OF_WEEK_IN_MONTH),
+ p.size, buffer);
+ break;
+ case WEEK_OF_YEAR_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.WEEK_OF_YEAR);
+ withLeadingZeros (calendar.get (Calendar.WEEK_OF_YEAR),
+ p.size, buffer);
+ break;
+ case WEEK_OF_MONTH_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.WEEK_OF_MONTH);
+ withLeadingZeros (calendar.get (Calendar.WEEK_OF_MONTH),
+ p.size, buffer);
+ break;
+ case AM_PM_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.AM_PM);
+ buffer.append (formatData.ampms[calendar.get (Calendar.AM_PM)]);
+ break;
+ case HOUR1_FIELD: // 1-12
+ buffer.setDefaultAttribute (DateFormat.Field.HOUR1);
+ withLeadingZeros (((calendar.get (Calendar.HOUR) + 11) % 12) + 1, p.size, buffer);
+ break;
+ case HOUR0_FIELD: // 0-11
+ buffer.setDefaultAttribute (DateFormat.Field.HOUR0);
+ withLeadingZeros (calendar.get (Calendar.HOUR), p.size, buffer);
+ break;
+ case TIMEZONE_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.TIME_ZONE);
+ TimeZone zone = calendar.getTimeZone();
+ boolean isDST = calendar.get (Calendar.DST_OFFSET) != 0;
+ // FIXME: XXX: This should be a localized time zone.
+ String zoneID = zone.getDisplayName (isDST, p.size > 3 ? TimeZone.LONG : TimeZone.SHORT);
+ buffer.append (zoneID);
+ break;
+ default:
+ throw new IllegalArgumentException ("Illegal pattern character " + p.field);
+ }
+ if (pos != null && (buffer.getDefaultAttribute() == pos.getFieldAttribute()
+ || p.field == pos.getField()))
+ {
+ pos.setBeginIndex(beginIndex);
+ pos.setEndIndex(buffer.length());
+ }
+ }
+ else
+ {
+ buffer.append(o.toString(), null);
+ }
}
- }
+ }
+
+ public StringBuffer format(Date date, StringBuffer buffer, FieldPosition pos)
+ {
+ formatWithAttribute(date, new StringFormatBuffer (buffer), pos);
+
return buffer;
}
- private void withLeadingZeros(int value, int length, StringBuffer buffer)
+ public AttributedCharacterIterator formatToCharacterIterator(Object date)
+ throws IllegalArgumentException
+ {
+ if (date == null)
+ throw new NullPointerException("null argument");
+ if (!(date instanceof Date))
+ throw new IllegalArgumentException("argument should be an instance of java.util.Date");
+
+ AttributedFormatBuffer buf = new AttributedFormatBuffer();
+ formatWithAttribute((Date)date, buf,
+ null);
+ buf.sync();
+
+ return new FormatCharacterIterator(buf.getBuffer().toString(),
+ buf.getRanges(),
+ buf.getAttributes());
+ }
+
+ private void withLeadingZeros(int value, int length, FormatBuffer buffer)
{
String valStr = String.valueOf(value);
for (length -= valStr.length(); length > 0; length--)
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