[kaffe] CVS kaffe (robilad): Resynced with GNU Classpath: SimpleDateFormat fixlet
Kaffe CVS
cvs-commits at kaffe.org
Tue Apr 19 03:32:03 PDT 2005
PatchSet 5707
Date: 2005/04/19 10:25:03
Author: robilad
Branch: HEAD
Tag: (none)
Log:
Resynced with GNU Classpath: SimpleDateFormat fixlet
2005-04-19 Dalibor Topic <robilad at kaffe.org>
Resynced with GNU Classpath.
2005-04-10 Sven de Marothy <sven at physto.se>
* java/text/SimpleDateFormat.java:
(formatWithAttribute): Pad year before truncating digits.
Members:
ChangeLog:1.3874->1.3875
libraries/javalib/java/text/SimpleDateFormat.java:INITIAL->1.51
Index: kaffe/ChangeLog
diff -u kaffe/ChangeLog:1.3874 kaffe/ChangeLog:1.3875
--- kaffe/ChangeLog:1.3874 Tue Apr 19 10:12:19 2005
+++ kaffe/ChangeLog Tue Apr 19 10:25:03 2005
@@ -2,6 +2,15 @@
Resynced with GNU Classpath.
+ 2005-04-10 Sven de Marothy <sven at physto.se>
+
+ * java/text/SimpleDateFormat.java:
+ (formatWithAttribute): Pad year before truncating digits.
+
+2005-04-19 Dalibor Topic <robilad at kaffe.org>
+
+ Resynced with GNU Classpath.
+
2005-04-15 Sven de Marothy <sven at physto.se>
* gnu/java/nio/charset/EncodingHelper.java: Added method
===================================================================
Checking out kaffe/libraries/javalib/java/text/SimpleDateFormat.java
RCS: /home/cvs/kaffe/kaffe/libraries/javalib/java/text/SimpleDateFormat.java,v
VERS: 1.51
***************
--- /dev/null Sun Aug 4 19:57:58 2002
+++ kaffe/libraries/javalib/java/text/SimpleDateFormat.java Tue Apr 19 10:32:02 2005
@@ -0,0 +1,1237 @@
+/* SimpleDateFormat.java -- A class for parsing/formating simple
+ date constructs
+ Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
+ Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+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.InvalidObjectException;
+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.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * SimpleDateFormat provides convenient methods for parsing and formatting
+ * dates using Gregorian calendars (see java.util.GregorianCalendar).
+ */
+public class SimpleDateFormat extends DateFormat
+{
+ /**
+ * This class is used by <code>SimpleDateFormat</code> as a
+ * compiled representation of a format string. The field
+ * ID, size, and character used are stored for each sequence
+ * of pattern characters.
+ */
+ private class CompiledField
+ {
+ /**
+ * The ID of the field within the local pattern characters,
+ */
+ private int field;
+
+ /**
+ * The size of the character sequence.
+ */
+ private int size;
+
+ /**
+ * The character used.
+ */
+ private char character;
+
+ /**
+ * Constructs a compiled field using the
+ * the given field ID, size and character
+ * values.
+ *
+ * @param f the field ID.
+ * @param s the size of the field.
+ * @param c the character used.
+ */
+ public CompiledField(int f, int s, char c)
+ {
+ field = f;
+ size = s;
+ character = c;
+ }
+
+ /**
+ * Retrieves the ID of the field relative to
+ * the local pattern characters.
+ */
+ public int getField()
+ {
+ return field;
+ }
+
+ /**
+ * Retrieves the size of the character sequence.
+ */
+ public int getSize()
+ {
+ return size;
+ }
+
+ /**
+ * Retrieves the character used in the sequence.
+ */
+ public char getCharacter()
+ {
+ return character;
+ }
+
+ /**
+ * Returns a <code>String</code> representation
+ * of the compiled field, primarily for debugging
+ * purposes.
+ *
+ * @return a <code>String</code> representation.
+ */
+ public String toString()
+ {
+ StringBuffer builder;
+
+ builder = new StringBuffer(getClass().getName());
+ builder.append("[field=");
+ builder.append(field);
+ builder.append(", size=");
+ builder.append(size);
+ builder.append(", character=");
+ builder.append(character);
+ builder.append("]");
+
+ return builder.toString();
+ }
+ }
+
+ /**
+ * A list of <code>CompiledField</code>s,
+ * representing the compiled version of the pattern.
+ *
+ * @see CompiledField
+ * @serial Ignored.
+ */
+ private transient ArrayList tokens;
+
+ /**
+ * The localised data used in formatting,
+ * such as the day and month names in the local
+ * language, and the localized pattern characters.
+ *
+ * @see DateFormatSymbols
+ * @serial The localisation data. May not be null.
+ */
+ private DateFormatSymbols formatData;
+
+ /**
+ * The date representing the start of the century
+ * used for interpreting two digit years. For
+ * example, 24/10/2004 would cause two digit
+ * years to be interpreted as representing
+ * the years between 2004 and 2104.
+ *
+ * @see get2DigitYearStart()
+ * @see set2DigitYearStart(java.util.Date)
+ * @see Date
+ * @serial The start date of the century for parsing two digit years.
+ * May not be null.
+ */
+ private Date defaultCenturyStart;
+
+ /**
+ * The year at which interpretation of two
+ * digit years starts.
+ *
+ * @see get2DigitYearStart()
+ * @see set2DigitYearStart(java.util.Date)
+ * @serial Ignored.
+ */
+ private transient int defaultCentury;
+
+ /**
+ * The non-localized pattern string. This
+ * only ever contains the pattern characters
+ * stored in standardChars. Localized patterns
+ * are translated to this form.
+ *
+ * @see applyPattern(String)
+ * @see applyLocalizedPattern(String)
+ * @see toPattern()
+ * @see toLocalizedPattern()
+ * @serial The non-localized pattern string. May not be null.
+ */
+ private String pattern;
+
+ /**
+ * The version of serialized data used by this class.
+ * Version 0 only includes the pattern and formatting
+ * data. Version 1 adds the start date for interpreting
+ * two digit years.
+ *
+ * @serial This specifies the version of the data being serialized.
+ * Version 0 (or no version) specifies just <code>pattern</code>
+ * and <code>formatData</code>. Version 1 adds
+ * the <code>defaultCenturyStart</code>. This implementation
+ * always writes out version 1 data.
+ */
+ private int serialVersionOnStream = 1; // 0 indicates JDK1.1.3 or earlier
+
+ /**
+ * For compatability.
+ */
+ private static final long serialVersionUID = 4774881970558875024L;
+
+ // This string is specified in the root of the CLDR. We set it here
+ // rather than doing a DateFormatSymbols(Locale.US).getLocalPatternChars()
+ // since someone could theoretically change those values (though unlikely).
+ private static final String standardChars = "GyMdkHmsSEDFwWahKzYeugAZ";
+
+ /**
+ * Reads the serialized version of this object.
+ * If the serialized data is only version 0,
+ * then the date for the start of the century
+ * for interpreting two digit years is computed.
+ * The pattern is parsed and compiled following the process
+ * of reading in the serialized data.
+ *
+ * @param stream the object stream to read the data from.
+ * @throws IOException if an I/O error occurs.
+ * @throws ClassNotFoundException if the class of the serialized data
+ * could not be found.
+ * @throws InvalidObjectException if the pattern is invalid.
+ */
+ private void readObject(ObjectInputStream stream)
+ throws IOException, ClassNotFoundException
+ {
+ stream.defaultReadObject();
+ if (serialVersionOnStream < 1)
+ {
+ computeCenturyStart ();
+ serialVersionOnStream = 1;
+ }
+ else
+ // Ensure that defaultCentury gets set.
+ set2DigitYearStart(defaultCenturyStart);
+
+ // Set up items normally taken care of by the constructor.
+ tokens = new ArrayList();
+ try
+ {
+ compileFormat(pattern);
+ }
+ catch (IllegalArgumentException e)
+ {
+ throw new InvalidObjectException("The stream pattern was invalid.");
+ }
+ }
+
+ /**
+ * Compiles the supplied non-localized pattern into a form
+ * from which formatting and parsing can be performed.
+ * This also detects errors in the pattern, which will
+ * be raised on later use of the compiled data.
+ *
+ * @param pattern the non-localized pattern to compile.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ private void compileFormat(String pattern)
+ {
+ // Any alphabetical characters are treated as pattern characters
+ // unless enclosed in single quotes.
+
+ char thisChar;
+ int pos;
+ int field;
+ CompiledField current = null;
+
+ for (int i=0; i<pattern.length(); i++) {
+ thisChar = pattern.charAt(i);
+ field = standardChars.indexOf(thisChar);
+ if (field == -1) {
+ current = null;
+ if ((thisChar >= 'A' && thisChar <= 'Z')
+ || (thisChar >= 'a' && thisChar <= 'z')) {
+ // Not a valid letter
+ throw new IllegalArgumentException("Invalid letter " + thisChar +
+ "encountered at character " + i
+ + ".");
+ } else if (thisChar == '\'') {
+ // Quoted text section; skip to next single quote
+ pos = pattern.indexOf('\'',i+1);
+ if (pos == -1) {
+ throw new IllegalArgumentException("Quotes starting at character "
+ + i + " not closed.");
+ }
+ if ((pos+1 < pattern.length()) && (pattern.charAt(pos+1) == '\'')) {
+ tokens.add(pattern.substring(i+1,pos+1));
+ } else {
+ tokens.add(pattern.substring(i+1,pos));
+ }
+ i = pos;
+ } else {
+ // A special character
+ tokens.add(new Character(thisChar));
+ }
+ } else {
+ // A valid field
+ if ((current != null) && (field == current.field)) {
+ current.size++;
+ } else {
+ current = new CompiledField(field,1,thisChar);
+ tokens.add(current);
+ }
+ }
+ }
+ }
+
+ /**
+ * Returns a string representation of this
+ * class.
+ *
+ * @return a string representation of the <code>SimpleDateFormat</code>
+ * instance.
+ */
+ public String toString()
+ {
+ StringBuffer output = new StringBuffer(getClass().getName());
+ output.append("[tokens=");
+ output.append(tokens);
+ output.append(", formatData=");
+ output.append(formatData);
+ output.append(", defaultCenturyStart=");
+ output.append(defaultCenturyStart);
+ output.append(", defaultCentury=");
+ output.append(defaultCentury);
+ output.append(", pattern=");
+ output.append(pattern);
+ output.append(", serialVersionOnStream=");
+ output.append(serialVersionOnStream);
+ output.append(", standardChars=");
+ output.append(standardChars);
+ output.append("]");
+ return output.toString();
+ }
+
+ /**
+ * Constructs a SimpleDateFormat using the default pattern for
+ * the default locale.
+ */
+ public SimpleDateFormat()
+ {
+ /*
+ * There does not appear to be a standard API for determining
+ * what the default pattern for a locale is, so use package-scope
+ * variables in DateFormatSymbols to encapsulate this.
+ */
+ super();
+ Locale locale = Locale.getDefault();
+ calendar = new GregorianCalendar(locale);
+ computeCenturyStart();
+ tokens = new ArrayList();
+ formatData = new DateFormatSymbols(locale);
+ pattern = (formatData.dateFormats[DEFAULT] + ' '
+ + formatData.timeFormats[DEFAULT]);
+ compileFormat(pattern);
+ numberFormat = NumberFormat.getInstance(locale);
+ numberFormat.setGroupingUsed (false);
+ numberFormat.setParseIntegerOnly (true);
+ numberFormat.setMaximumFractionDigits (0);
+ }
+
+ /**
+ * Creates a date formatter using the specified non-localized pattern,
+ * with the default DateFormatSymbols for the default locale.
+ *
+ * @param pattern the pattern to use.
+ * @throws NullPointerException if the pattern is null.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ public SimpleDateFormat(String pattern)
+ {
+ this(pattern, Locale.getDefault());
+ }
+
+ /**
+ * Creates a date formatter using the specified non-localized pattern,
+ * with the default DateFormatSymbols for the given locale.
+ *
+ * @param pattern the non-localized pattern to use.
+ * @param locale the locale to use for the formatting symbols.
+ * @throws NullPointerException if the pattern is null.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ public SimpleDateFormat(String pattern, Locale locale)
+ {
+ super();
+ calendar = new GregorianCalendar(locale);
+ computeCenturyStart();
+ tokens = new ArrayList();
+ formatData = new DateFormatSymbols(locale);
+ compileFormat(pattern);
+ this.pattern = pattern;
+ numberFormat = NumberFormat.getInstance(locale);
+ numberFormat.setGroupingUsed (false);
+ numberFormat.setParseIntegerOnly (true);
+ numberFormat.setMaximumFractionDigits (0);
+ }
+
+ /**
+ * Creates a date formatter using the specified non-localized
+ * pattern. The specified DateFormatSymbols will be used when
+ * formatting.
+ *
+ * @param pattern the non-localized pattern to use.
+ * @param formatData the formatting symbols to use.
+ * @throws NullPointerException if the pattern or formatData is null.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ public SimpleDateFormat(String pattern, DateFormatSymbols formatData)
+ {
+ super();
+ calendar = new GregorianCalendar();
+ computeCenturyStart ();
+ tokens = new ArrayList();
+ if (formatData == null)
+ throw new NullPointerException("formatData");
+ this.formatData = formatData;
+ compileFormat(pattern);
+ this.pattern = pattern;
+ numberFormat = NumberFormat.getInstance();
+ numberFormat.setGroupingUsed (false);
+ numberFormat.setParseIntegerOnly (true);
+ numberFormat.setMaximumFractionDigits (0);
+ }
+
+ /**
+ * This method returns a string with the formatting pattern being used
+ * by this object. This string is unlocalized.
+ *
+ * @return The format string.
+ */
+ public String toPattern()
+ {
+ return pattern;
+ }
+
+ /**
+ * This method returns a string with the formatting pattern being used
+ * by this object. This string is localized.
+ *
+ * @return The format string.
+ */
+ public String toLocalizedPattern()
+ {
+ String localChars = formatData.getLocalPatternChars();
+ return translateLocalizedPattern(pattern, standardChars, localChars);
+ }
+
+ /**
+ * This method sets the formatting pattern that should be used by this
+ * object. This string is not localized.
+ *
+ * @param pattern The new format pattern.
+ * @throws NullPointerException if the pattern is null.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ public void applyPattern(String pattern)
+ {
+ tokens = new ArrayList();
+ compileFormat(pattern);
+ this.pattern = pattern;
+ }
+
+ /**
+ * This method sets the formatting pattern that should be used by this
+ * object. This string is localized.
+ *
+ * @param pattern The new format pattern.
+ * @throws NullPointerException if the pattern is null.
+ * @throws IllegalArgumentException if the pattern is invalid.
+ */
+ public void applyLocalizedPattern(String pattern)
+ {
+ String localChars = formatData.getLocalPatternChars();
+ pattern = translateLocalizedPattern(pattern, localChars, standardChars);
+ applyPattern(pattern);
+ }
+
+ /**
+ * Translates either from or to a localized variant of the pattern
+ * string. For example, in the German locale, 't' (for 'tag') is
+ * used instead of 'd' (for 'date'). This method translates
+ * a localized pattern (such as 'ttt') to a non-localized pattern
+ * (such as 'ddd'), or vice versa. Non-localized patterns use
+ * a standard set of characters, which match those of the U.S. English
+ * locale.
+ *
+ * @param pattern the pattern to translate.
+ * @param oldChars the old set of characters (used in the pattern).
+ * @param newChars the new set of characters (which will be used in the
+ * pattern).
+ * @return a version of the pattern using the characters in
+ * <code>newChars</code>.
+ */
+ private String translateLocalizedPattern(String pattern,
+ String oldChars, String newChars)
+ {
+ int len = pattern.length();
+ StringBuffer buf = new StringBuffer(len);
+ boolean quoted = false;
+ for (int i = 0; i < len; i++)
+ {
+ char ch = pattern.charAt(i);
+ if (ch == '\'')
+ quoted = ! quoted;
+ if (! quoted)
+ {
+ int j = oldChars.indexOf(ch);
+ if (j >= 0)
+ ch = newChars.charAt(j);
+ }
+ buf.append(ch);
+ }
+ return buf.toString();
+ }
+
+ /**
+ * Returns the start of the century used for two digit years.
+ *
+ * @return A <code>Date</code> representing the start of the century
+ * for two digit years.
+ */
+ public Date get2DigitYearStart()
+ {
+ return defaultCenturyStart;
+ }
+
+ /**
+ * Sets the start of the century used for two digit years.
+ *
+ * @param date A <code>Date</code> representing the start of the century for
+ * two digit years.
+ */
+ public void set2DigitYearStart(Date date)
+ {
+ defaultCenturyStart = date;
+ calendar.clear();
+ calendar.setTime(date);
+ int year = calendar.get(Calendar.YEAR);
+ defaultCentury = year - (year % 100);
+ }
+
+ /**
+ * This method returns a copy of the format symbol information used
+ * for parsing and formatting dates.
+ *
+ * @return a copy of the date format symbols.
+ */
+ public DateFormatSymbols getDateFormatSymbols()
+ {
+ return (DateFormatSymbols) formatData.clone();
+ }
+
+ /**
+ * This method sets the format symbols information used for parsing
+ * and formatting dates.
+ *
+ * @param formatData The date format symbols.
+ * @throws NullPointerException if <code>formatData</code> is null.
+ */
+ public void setDateFormatSymbols(DateFormatSymbols formatData)
+ {
+ if (formatData == null)
+ {
+ throw new
+ NullPointerException("The supplied format data was null.");
+ }
+ this.formatData = formatData;
+ }
+
+ /**
+ * This methods tests whether the specified object is equal to this
+ * object. This will be true if and only if the specified object:
+ * <p>
+ * <ul>
+ * <li>Is not <code>null</code>.</li>
+ * <li>Is an instance of <code>SimpleDateFormat</code>.</li>
+ * <li>Is equal to this object at the superclass (i.e., <code>DateFormat</code>)
+ * level.</li>
+ * <li>Has the same formatting pattern.</li>
+ * <li>Is using the same formatting symbols.</li>
+ * <li>Is using the same century for two digit years.</li>
+ * </ul>
+ *
+ * @param obj The object to compare for equality against.
+ *
+ * @return <code>true</code> if the specified object is equal to this object,
+ * <code>false</code> otherwise.
+ */
+ public boolean equals(Object o)
+ {
+ if (!super.equals(o))
+ return false;
+
+ if (!(o instanceof SimpleDateFormat))
+ return false;
+
+ SimpleDateFormat sdf = (SimpleDateFormat)o;
+
+ if (defaultCentury != sdf.defaultCentury)
+ return false;
+
+ if (!toPattern().equals(sdf.toPattern()))
+ return false;
+
+ if (!getDateFormatSymbols().equals(sdf.getDateFormatSymbols()))
+ return false;
+
+ return true;
+ }
+
+ /**
+ * This method returns a hash value for this object.
+ *
+ * @return A hash value for this object.
+ */
+ public int hashCode()
+ {
+ return super.hashCode() ^ toPattern().hashCode() ^ defaultCentury ^
+ getDateFormatSymbols().hashCode();
+ }
+
+
+ /**
+ * Formats the date input according to the format string in use,
+ * appending to the specified StringBuffer. The input StringBuffer
+ * is returned as output for convenience.
+ */
+ private void formatWithAttribute(Date date, FormatBuffer buffer, FieldPosition pos)
+ {
+ String temp;
+ AttributedCharacterIterator.Attribute attribute;
+ calendar.setTime(date);
+
+ // go through vector, filling in fields where applicable, else toString
+ Iterator iter = tokens.iterator();
+ while (iter.hasNext())
+ {
+ Object o = iter.next();
+ if (o instanceof CompiledField)
+ {
+ CompiledField cf = (CompiledField) o;
+ int beginIndex = buffer.length();
+
+ switch (cf.getField())
+ {
+ 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 (cf.getSize() == 2)
+ {
+ temp = "00"+String.valueOf (calendar.get (Calendar.YEAR));
+ buffer.append (temp.substring (temp.length() - 2));
+ }
+ else
+ withLeadingZeros (calendar.get (Calendar.YEAR), cf.getSize(), buffer);
+ break;
+ case MONTH_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MONTH);
+ if (cf.getSize() < 3)
+ withLeadingZeros (calendar.get (Calendar.MONTH) + 1, cf.getSize(), buffer);
+ else if (cf.getSize() < 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), cf.getSize(), 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,
+ cf.getSize(), buffer);
+ break;
+ case HOUR_OF_DAY0_FIELD: // 0-23
+ buffer.setDefaultAttribute (DateFormat.Field.HOUR_OF_DAY0);
+ withLeadingZeros (calendar.get (Calendar.HOUR_OF_DAY), cf.getSize(), buffer);
+ break;
+ case MINUTE_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MINUTE);
+ withLeadingZeros (calendar.get (Calendar.MINUTE),
+ cf.getSize(), buffer);
+ break;
+ case SECOND_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.SECOND);
+ withLeadingZeros(calendar.get (Calendar.SECOND),
+ cf.getSize(), buffer);
+ break;
+ case MILLISECOND_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.MILLISECOND);
+ withLeadingZeros (calendar.get (Calendar.MILLISECOND), cf.getSize(), buffer);
+ break;
+ case DAY_OF_WEEK_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.DAY_OF_WEEK);
+ if (cf.getSize() < 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), cf.getSize(), 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),
+ cf.getSize(), buffer);
+ break;
+ case WEEK_OF_YEAR_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.WEEK_OF_YEAR);
+ withLeadingZeros (calendar.get (Calendar.WEEK_OF_YEAR),
+ cf.getSize(), buffer);
+ break;
+ case WEEK_OF_MONTH_FIELD:
+ buffer.setDefaultAttribute (DateFormat.Field.WEEK_OF_MONTH);
+ withLeadingZeros (calendar.get (Calendar.WEEK_OF_MONTH),
+ cf.getSize(), 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,
+ cf.getSize(), buffer);
+ break;
+ case HOUR0_FIELD: // 0-11
+ buffer.setDefaultAttribute (DateFormat.Field.HOUR0);
+ withLeadingZeros (calendar.get (Calendar.HOUR), cf.getSize(), 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, cf.getSize() > 3 ? TimeZone.LONG : TimeZone.SHORT);
+ buffer.append (zoneID);
+ break;
+ case RFC822_TIMEZONE_FIELD:
+ buffer.setDefaultAttribute(DateFormat.Field.RFC822_TIME_ZONE);
+ int pureMinutes = (calendar.get(Calendar.ZONE_OFFSET) +
+ calendar.get(Calendar.DST_OFFSET)) / (1000 * 60);
+ String sign = (pureMinutes < 0) ? "-" : "+";
+ int hours = pureMinutes / 60;
+ int minutes = pureMinutes % 60;
+ buffer.append(sign);
+ withLeadingZeros(hours, 2, buffer);
+ withLeadingZeros(minutes, 2, buffer);
+ break;
+ default:
+ throw new IllegalArgumentException ("Illegal pattern character " +
+ cf.getCharacter());
+ }
+ if (pos != null && (buffer.getDefaultAttribute() == pos.getFieldAttribute()
+ || cf.getField() == 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;
+ }
+
+ 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--)
+ buffer.append('0');
+ buffer.append(valStr);
+ }
+
+ private boolean expect(String source, ParsePosition pos, char ch)
+ {
+ int x = pos.getIndex();
+ boolean r = x < source.length() && source.charAt(x) == ch;
+ if (r)
+ pos.setIndex(x + 1);
+ else
+ pos.setErrorIndex(x);
+ return r;
+ }
+
+ /**
+ * This method parses the specified string into a date.
+ *
+ * @param dateStr The date string to parse.
+ * @param pos The input and output parse position
+ *
+ * @return The parsed date, or <code>null</code> if the string cannot be
+ * parsed.
+ */
+ public Date parse (String dateStr, ParsePosition pos)
+ {
+ int fmt_index = 0;
+ int fmt_max = pattern.length();
+
+ calendar.clear();
+ boolean saw_timezone = false;
+ int quote_start = -1;
+ boolean is2DigitYear = false;
+ try
+ {
+ for (; fmt_index < fmt_max; ++fmt_index)
+ {
+ char ch = pattern.charAt(fmt_index);
+ if (ch == '\'')
+ {
+ int index = pos.getIndex();
+ if (fmt_index < fmt_max - 1
+ && pattern.charAt(fmt_index + 1) == '\'')
+ {
+ if (! expect (dateStr, pos, ch))
+ return null;
+ ++fmt_index;
+ }
+ else
+ quote_start = quote_start < 0 ? fmt_index : -1;
+ continue;
+ }
+
+ if (quote_start != -1
+ || ((ch < 'a' || ch > 'z')
+ && (ch < 'A' || ch > 'Z')))
+ {
+ if (! expect (dateStr, pos, ch))
+ return null;
+ continue;
+ }
+
+ // We've arrived at a potential pattern character in the
+ // pattern.
+ int fmt_count = 1;
+ while (++fmt_index < fmt_max && pattern.charAt(fmt_index) == ch)
+ {
+ ++fmt_count;
+ }
+
+ // We might need to limit the number of digits to parse in
+ // some cases. We look to the next pattern character to
+ // decide.
+ boolean limit_digits = false;
+ if (fmt_index < fmt_max
+ && standardChars.indexOf(pattern.charAt(fmt_index)) >= 0)
+ limit_digits = true;
+ --fmt_index;
+
+ // We can handle most fields automatically: most either are
+ // numeric or are looked up in a string vector. In some cases
+ // we need an offset. When numeric, `offset' is added to the
+ // resulting value. When doing a string lookup, offset is the
+ // initial index into the string array.
+ int calendar_field;
+ boolean is_numeric = true;
+ int offset = 0;
+ boolean maybe2DigitYear = false;
+ boolean oneBasedHour = false;
+ boolean oneBasedHourOfDay = false;
+ Integer simpleOffset;
+ String[] set1 = null;
+ String[] set2 = null;
+ switch (ch)
+ {
+ case 'd':
+ calendar_field = Calendar.DATE;
+ break;
+ case 'D':
+ calendar_field = Calendar.DAY_OF_YEAR;
+ break;
+ case 'F':
+ calendar_field = Calendar.DAY_OF_WEEK_IN_MONTH;
+ break;
+ case 'E':
+ is_numeric = false;
+ offset = 1;
+ calendar_field = Calendar.DAY_OF_WEEK;
+ set1 = formatData.getWeekdays();
+ set2 = formatData.getShortWeekdays();
+ break;
+ case 'w':
+ calendar_field = Calendar.WEEK_OF_YEAR;
+ break;
+ case 'W':
+ calendar_field = Calendar.WEEK_OF_MONTH;
+ break;
+ case 'M':
+ calendar_field = Calendar.MONTH;
+ if (fmt_count <= 2)
+ offset = -1;
*** Patch too long, truncated ***
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