bayard 2003/01/07 13:21:43
Modified: lang/src/java/org/apache/commons/lang/time
FastDateFormat.java
lang/src/test/org/apache/commons/lang/time
FastDateFormatTest.java
Log:
Reformatted [dos2unix]. A newline was introduced after the licence so that cvs
would allow the commit.
Revision Changes Path
1.2 +1180
-1179jakarta-commons/lang/src/java/org/apache/commons/lang/time/FastDateFormat.java
Index: FastDateFormat.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/lang/src/java/org/apache/commons/lang/time/FastDateFormat.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- FastDateFormat.java 7 Jan 2003 19:55:55 -0000 1.1
+++ FastDateFormat.java 7 Jan 2003 21:21:42 -0000 1.2
@@ -1,1179 +1,1180 @@
-/* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Commons", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact [EMAIL PROTECTED]
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-package org.apache.commons.lang.time;
-
-import java.util.Date;
-import java.util.Calendar;
-import java.util.GregorianCalendar;
-import java.util.Locale;
-import java.util.TimeZone;
-import java.util.List;
-import java.util.ArrayList;
-import java.util.Map;
-import java.util.HashMap;
-import java.text.DateFormatSymbols;
-import java.text.DateFormat;
-import java.text.SimpleDateFormat;
-
-/******************************************************************************
- * Similar to {@link java.text.SimpleDateFormat}, but faster and thread-safe.
- * Only formatting is supported, but all patterns are compatible with
- * SimpleDateFormat. [Code originally taken from the open source TreeTrove
- * project.]
- *
- * @author Brian S O'Neill
- * @author Sean Schofield
- * @since 2.0
- * @version $Id$
- */
-public class FastDateFormat {
- /** Style pattern */
- public static final Object
- FULL = new Integer(SimpleDateFormat.FULL),
- LONG = new Integer(SimpleDateFormat.LONG),
- MEDIUM = new Integer(SimpleDateFormat.MEDIUM),
- SHORT = new Integer(SimpleDateFormat.SHORT);
-
- private static final double LOG_10 = Math.log(10);
-
- private static String cDefaultPattern;
- private static TimeZone cDefaultTimeZone = TimeZone.getDefault();
-
- private static Map cTimeZoneDisplayCache = new HashMap();
-
- private static Map cInstanceCache = new HashMap(7);
- private static Map cDateInstanceCache = new HashMap(7);
- private static Map cTimeInstanceCache = new HashMap(7);
- private static Map cDateTimeInstanceCache = new HashMap(7);
-
- public static FastDateFormat getInstance() {
- //return getInstance(getDefaultPattern(), null, null, null);
- return getInstance(getDefaultPattern(), null, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- */
- public static FastDateFormat getInstance(String pattern) {
- //return getInstance(pattern, null, null, null);
- return getInstance(pattern, null, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- */
- public static FastDateFormat getInstance(String pattern, TimeZone timeZone) {
- //return getInstance(pattern, timeZone, null, null);
- return getInstance(pattern, timeZone, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param locale optional locale, overrides system locale
- */
- public static FastDateFormat getInstance(String pattern, Locale locale) {
- //return getInstance(pattern, null, locale, null);
- return getInstance(pattern, null, locale);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param symbols optional date format symbols, overrides symbols for
- * system locale
- */
- /*
- public static FastDateFormat getInstance
- (String pattern, DateFormatSymbols symbols)
- throws IllegalArgumentException
- {
- return getInstance(pattern, null, null, symbols);
- }
- */
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- */
- public static FastDateFormat getInstance(String pattern, TimeZone timeZone,
Locale locale) {
- //return getInstance(pattern, timeZone, locale, null);
- Object key = pattern;
-
- if (timeZone != null) {
- key = new Pair(key, timeZone);
- }
- if (locale != null) {
- key = new Pair(key, locale);
- }
-
- FastDateFormat format = (FastDateFormat)cInstanceCache.get(key);
- if (format == null) {
- if (locale == null) {
- locale = Locale.getDefault();
- }
-
- format = new FastDateFormat(pattern, timeZone, locale, new
DateFormatSymbols(locale));
- cInstanceCache.put(key, format);
- }
- return format;
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- * @param symbols optional date format symbols, overrides symbols for
- * provided locale
- */
- /*
- public static synchronized FastDateFormat getInstance
- (String pattern, TimeZone timeZone, Locale locale,
- DateFormatSymbols symbols)
- throws IllegalArgumentException
- {
- Object key = pattern;
-
- if (timeZone != null) {
- key = new Pair(key, timeZone);
- }
- if (locale != null) {
- key = new Pair(key, locale);
- }
- if (symbols != null) {
- key = new Pair(key, symbols);
- }
-
- FastDateFormat format = (FastDateFormat)cInstanceCache.get(key);
- if (format == null) {
- if (locale == null) {
- locale = Locale.getDefault();
- }
- if (symbols == null) {
- symbols = new DateFormatSymbols(locale);
- }
- format = new FastDateFormat(pattern, timeZone, locale, symbols);
- cInstanceCache.put(key, format);
- }
- return format;
- }
- */
-
- /**
- * @param style date style: FULL, LONG, MEDIUM, or SHORT (corresponds to those
in java.text.DateFormat)
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- */
- public static synchronized FastDateFormat getDateInstance(int style, TimeZone
timeZone, Locale locale) {
- Object key = new Integer(style);
-
- if (timeZone != null) {
- key = new Pair(key, timeZone);
- }
- if (locale == null) {
- key = new Pair(key, locale);
- }
-
- FastDateFormat format = (FastDateFormat)cDateInstanceCache.get(key);
-
- if (format == null) {
- if (locale == null) {
- locale = Locale.getDefault();
- }
-
- try {
- String pattern =
((SimpleDateFormat)DateFormat.getDateInstance(style, locale)).toPattern();
- format = getInstance(pattern, timeZone, locale);
- cDateInstanceCache.put(key, format);
- }
- catch (ClassCastException e) {
- throw new IllegalArgumentException
- ("No date pattern for locale: " + locale);
- }
- }
-
- return format;
- }
-
- /**
- * @param style time style: FULL, LONG, MEDIUM, or SHORT
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- */
- public static synchronized FastDateFormat getTimeInstance(int style, TimeZone
timeZone, Locale locale) {
- Object key = new Integer(style);
-
- if (timeZone != null) {
- key = new Pair(key, timeZone);
- }
- if (locale != null) {
- key = new Pair(key, locale);
- }
-
- FastDateFormat format = (FastDateFormat)cTimeInstanceCache.get(key);
-
- if (format == null) {
-
- if (locale == null) {
- locale = Locale.getDefault();
- }
-
- try {
- String pattern =
((SimpleDateFormat)DateFormat.getTimeInstance(style, locale)).toPattern();
- format = getInstance(pattern, timeZone, locale);
- cTimeInstanceCache.put(key, format);
- }
- catch (ClassCastException e) {
- throw new IllegalArgumentException
- ("No date pattern for locale: " + locale);
- }
- }
-
- return format;
- }
-
- /**
- * @param dateStyle date style: FULL, LONG, MEDIUM, or SHORT
- * @param timeStyle time style: FULL, LONG, MEDIUM, or SHORT
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- */
- public static synchronized FastDateFormat getDateTimeInstance(Object dateStyle,
Object timeStyle,
- TimeZone timeZone, Locale locale) {
-
- Object key = new Pair(dateStyle, timeStyle);
-
- if (timeZone != null) {
- key = new Pair(key, timeZone);
- }
- if (locale != null) {
- key = new Pair(key, locale);
- }
-
- FastDateFormat format =
- (FastDateFormat)cDateTimeInstanceCache.get(key);
-
- if (format == null) {
- int ds;
- try {
- ds = ((Integer)dateStyle).intValue();
- }
- catch (ClassCastException e) {
- throw new IllegalArgumentException
- ("Illegal date style: " + dateStyle);
- }
-
- int ts;
- try {
- ts = ((Integer)timeStyle).intValue();
- }
- catch (ClassCastException e) {
- throw new IllegalArgumentException
- ("Illegal time style: " + timeStyle);
- }
-
- if (locale == null) {
- locale = Locale.getDefault();
- }
-
- try {
- String pattern =
((SimpleDateFormat)DateFormat.getDateTimeInstance(ds, ts, locale)).toPattern();
- format = getInstance(pattern, timeZone, locale);
- cDateTimeInstanceCache.put(key, format);
- }
- catch (ClassCastException e) {
- throw new IllegalArgumentException
- ("No date time pattern for locale: " + locale);
- }
- }
-
- return format;
- }
-
- static synchronized String getTimeZoneDisplay(TimeZone tz, boolean daylight,
int style, Locale locale) {
- Object key = new TimeZoneDisplayKey(tz, daylight, style, locale);
- String value = (String)cTimeZoneDisplayCache.get(key);
- if (value == null) {
- // This is a very slow call, so cache the results.
- value = tz.getDisplayName(daylight, style, locale);
- cTimeZoneDisplayCache.put(key, value);
- }
- return value;
- }
-
- private static synchronized String getDefaultPattern() {
- if (cDefaultPattern == null) {
- cDefaultPattern = new SimpleDateFormat().toPattern();
- }
- return cDefaultPattern;
- }
-
- /**
- * Returns a list of Rules.
- */
- private static List parse(String pattern, TimeZone timeZone, Locale locale,
DateFormatSymbols symbols) {
- List rules = new ArrayList();
-
- String[] ERAs = symbols.getEras();
- String[] months = symbols.getMonths();
- String[] shortMonths = symbols.getShortMonths();
- String[] weekdays = symbols.getWeekdays();
- String[] shortWeekdays = symbols.getShortWeekdays();
- String[] AmPmStrings = symbols.getAmPmStrings();
-
- int length = pattern.length();
- int[] indexRef = new int[1];
-
- for (int i=0; i<length; i++) {
- indexRef[0] = i;
- String token = parseToken(pattern, indexRef);
- i = indexRef[0];
-
- int tokenLen = token.length();
- if (tokenLen == 0) {
- break;
- }
-
- Rule rule;
- char c = token.charAt(0);
-
- switch (c) {
- case 'G': // era designator (text)
- rule = new TextField(Calendar.ERA, ERAs);
- break;
- case 'y': // year (number)
- if (tokenLen >= 4) {
- rule = new UnpaddedNumberField(Calendar.YEAR);
- }
- else {
- rule = new TwoDigitYearField();
- }
- break;
- case 'M': // month in year (text and number)
- if (tokenLen >= 4) {
- rule = new TextField(Calendar.MONTH, months);
- }
- else if (tokenLen == 3) {
- rule = new TextField(Calendar.MONTH, shortMonths);
- }
- else if (tokenLen == 2) {
- rule = new TwoDigitMonthField();
- }
- else {
- rule = new UnpaddedMonthField();
- }
- break;
- case 'd': // day in month (number)
- rule = selectNumberRule(Calendar.DAY_OF_MONTH, tokenLen);
- break;
- case 'h': // hour in am/pm (number, 1..12)
- rule = new TwelveHourField
- (selectNumberRule(Calendar.HOUR, tokenLen));
- break;
- case 'H': // hour in day (number, 0..23)
- rule = selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen);
- break;
- case 'm': // minute in hour (number)
- rule = selectNumberRule(Calendar.MINUTE, tokenLen);
- break;
- case 's': // second in minute (number)
- rule = selectNumberRule(Calendar.SECOND, tokenLen);
- break;
- case 'S': // millisecond (number)
- rule = selectNumberRule(Calendar.MILLISECOND, tokenLen);
- break;
- case 'E': // day in week (text)
- rule = new TextField
- (Calendar.DAY_OF_WEEK,
- tokenLen < 4 ? shortWeekdays : weekdays);
- break;
- case 'D': // day in year (number)
- rule = selectNumberRule(Calendar.DAY_OF_YEAR, tokenLen);
- break;
- case 'F': // day of week in month (number)
- rule = selectNumberRule
- (Calendar.DAY_OF_WEEK_IN_MONTH, tokenLen);
- break;
- case 'w': // week in year (number)
- rule = selectNumberRule(Calendar.WEEK_OF_YEAR, tokenLen);
- break;
- case 'W': // week in month (number)
- rule = selectNumberRule(Calendar.WEEK_OF_MONTH, tokenLen);
- break;
- case 'a': // am/pm marker (text)
- rule = new TextField(Calendar.AM_PM, AmPmStrings);
- break;
- case 'k': // hour in day (1..24)
- rule = new TwentyFourHourField
- (selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen));
- break;
- case 'K': // hour in am/pm (0..11)
- rule = selectNumberRule(Calendar.HOUR, tokenLen);
- break;
- case 'z': // time zone (text)
- if (tokenLen >= 4) {
- rule = new TimeZoneRule(timeZone, locale, TimeZone.LONG);
- }
- else {
- rule = new TimeZoneRule(timeZone, locale, TimeZone.SHORT);
- }
- break;
- case '\'': // literal text
- String sub = token.substring(1);
- if (sub.length() == 1) {
- rule = new CharacterLiteral(sub.charAt(0));
- }
- else {
- rule = new StringLiteral(new String(sub));
- }
- break;
- default:
- throw new IllegalArgumentException
- ("Illegal pattern component: " + token);
- }
-
- rules.add(rule);
- }
-
- return rules;
- }
-
- private static String parseToken(String pattern, int[] indexRef) {
- StringBuffer buf = new StringBuffer();
-
- int i = indexRef[0];
- int length = pattern.length();
-
- char c = pattern.charAt(i);
- if (c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z') {
- // Scan a run of the same character, which indicates a time
- // pattern.
- buf.append(c);
-
- while (i + 1 < length) {
- char peek = pattern.charAt(i + 1);
- if (peek == c) {
- buf.append(c);
- i++;
- }
- else {
- break;
- }
- }
- }
- else {
- // This will identify token as text.
- buf.append('\'');
-
- boolean inLiteral = false;
-
- for (; i < length; i++) {
- c = pattern.charAt(i);
-
- if (c == '\'') {
- if (i + 1 < length && pattern.charAt(i + 1) == '\'') {
- // '' is treated as escaped '
- i++;
- buf.append(c);
- }
- else {
- inLiteral = !inLiteral;
- }
- }
- else if (!inLiteral &&
- (c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z')) {
- i--;
- break;
- }
- else {
- buf.append(c);
- }
- }
- }
-
- indexRef[0] = i;
- return buf.toString();
- }
-
- private static NumberRule selectNumberRule(int field, int padding) {
- switch (padding) {
- case 1:
- return new UnpaddedNumberField(field);
- case 2:
- return new TwoDigitNumberField(field);
- default:
- return new PaddedNumberField(field, padding);
- }
- }
-
- private final String mPattern;
- private final TimeZone mTimeZone;
- private final Locale mLocale;
- private final Rule[] mRules;
- private final int mMaxLengthEstimate;
-
- private FastDateFormat() {
- this(getDefaultPattern(), null, null, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- */
- private FastDateFormat(String pattern) throws IllegalArgumentException {
- this(pattern, null, null, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- */
- private FastDateFormat(String pattern, TimeZone timeZone) {
- this(pattern, timeZone, null, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param locale optional locale, overrides system locale
- */
- private FastDateFormat(String pattern, Locale locale) {
- this(pattern, null, locale, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param symbols optional date format symbols, overrides symbols for
- * system locale
- */
- private FastDateFormat(String pattern, DateFormatSymbols symbols) {
- this(pattern, null, null, symbols);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- */
- private FastDateFormat(String pattern, TimeZone timeZone, Locale locale) {
- this(pattern, timeZone, locale, null);
- }
-
- /**
- * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
- * @param timeZone optional time zone, overrides time zone of formatted
- * date
- * @param locale optional locale, overrides system locale
- * @param symbols optional date format symbols, overrides symbols for
- * provided locale
- */
- private FastDateFormat(String pattern, TimeZone timeZone, Locale locale,
DateFormatSymbols symbols) {
- if (locale == null) {
- locale = Locale.getDefault();
- }
-
- mPattern = pattern;
- mTimeZone = timeZone;
- mLocale = locale;
-
- if (symbols == null) {
- symbols = new DateFormatSymbols(locale);
- }
-
- List rulesList = parse(pattern, timeZone, locale, symbols);
- mRules = (Rule[])rulesList.toArray(new Rule[rulesList.size()]);
-
- int len = 0;
- for (int i=mRules.length; --i >= 0; ) {
- len += mRules[i].estimateLength();
- }
-
- mMaxLengthEstimate = len;
- }
-
- public String format(Date date) {
- Calendar c = new GregorianCalendar(cDefaultTimeZone);
- c.setTime(date);
- if (mTimeZone != null) {
- c.setTimeZone(mTimeZone);
- }
- return applyRules(c, new StringBuffer(mMaxLengthEstimate)).toString();
- }
-
- public String format(Calendar calendar) {
- return format(calendar, new StringBuffer(mMaxLengthEstimate))
- .toString();
- }
-
- public StringBuffer format(Date date, StringBuffer buf) {
- Calendar c = new GregorianCalendar(cDefaultTimeZone);
- c.setTime(date);
- if (mTimeZone != null) {
- c.setTimeZone(mTimeZone);
- }
- return applyRules(c, buf);
- }
-
- public StringBuffer format(Calendar calendar, StringBuffer buf) {
- if (mTimeZone != null) {
- calendar = (Calendar)calendar.clone();
- calendar.setTimeZone(mTimeZone);
- }
- return applyRules(calendar, buf);
- }
-
- private StringBuffer applyRules(Calendar calendar, StringBuffer buf) {
- Rule[] rules = mRules;
- int len = mRules.length;
- for (int i=0; i<len; i++) {
- rules[i].appendTo(buf, calendar);
- }
- return buf;
- }
-
- public String getPattern() {
- return mPattern;
- }
-
- /**
- * Returns the time zone used by this formatter, or null if time zone of
- * formatted dates is used instead.
- */
- public TimeZone getTimeZone() {
- return mTimeZone;
- }
-
- public Locale getLocale() {
- return mLocale;
- }
-
- /**
- * Returns an estimate for the maximum length date that this date
- * formatter will produce. The actual formatted length will almost always
- * be less than or equal to this amount.
- */
- public int getMaxLengthEstimate() {
- return mMaxLengthEstimate;
- }
-
- private interface Rule {
- int estimateLength();
-
- void appendTo(StringBuffer buffer, Calendar calendar);
- }
-
- private interface NumberRule extends Rule {
- void appendTo(StringBuffer buffer, int value);
- }
-
- private static class CharacterLiteral implements Rule {
- private final char mValue;
-
- CharacterLiteral(char value) {
- mValue = value;
- }
-
- public int estimateLength() {
- return 1;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- buffer.append(mValue);
- }
- }
-
- private static class StringLiteral implements Rule {
- private final String mValue;
-
- StringLiteral(String value) {
- mValue = value;
- }
-
- public int estimateLength() {
- return mValue.length();
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- buffer.append(mValue);
- }
- }
-
- private static class TextField implements Rule {
- private final int mField;
- private final String[] mValues;
-
- TextField(int field, String[] values) {
- mField = field;
- mValues = values;
- }
-
- public int estimateLength() {
- int max = 0;
- for (int i=mValues.length; --i >= 0; ) {
- int len = mValues[i].length();
- if (len > max) {
- max = len;
- }
- }
- return max;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- buffer.append(mValues[calendar.get(mField)]);
- }
- }
-
- private static class UnpaddedNumberField implements NumberRule {
- private final int mField;
-
- UnpaddedNumberField(int field) {
- mField = field;
- }
-
- public int estimateLength() {
- return 4;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(mField));
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- if (value < 10) {
- buffer.append((char)(value + '0'));
- }
- else if (value < 100) {
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- else {
- buffer.append(Integer.toString(value));
- }
- }
- }
-
- private static class UnpaddedMonthField implements NumberRule {
- UnpaddedMonthField() {
- }
-
- public int estimateLength() {
- return 2;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(Calendar.MONTH) + 1);
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- if (value < 10) {
- buffer.append((char)(value + '0'));
- }
- else {
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- }
- }
-
- private static class PaddedNumberField implements NumberRule {
- private final int mField;
- private final int mSize;
-
- PaddedNumberField(int field, int size) {
- if (size < 3) {
- // Should use UnpaddedNumberField or TwoDigitNumberField.
- throw new IllegalArgumentException();
- }
- mField = field;
- mSize = size;
- }
-
- public int estimateLength() {
- return 4;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(mField));
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- if (value < 100) {
- for (int i = mSize; --i >= 2; ) {
- buffer.append('0');
- }
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- else {
- int digits;
- if (value < 1000) {
- digits = 3;
- }
- else {
- digits = (int)(Math.log(value) / LOG_10) + 1;
- }
- for (int i = mSize; --i >= digits; ) {
- buffer.append('0');
- }
- buffer.append(Integer.toString(value));
- }
- }
- }
-
- private static class TwoDigitNumberField implements NumberRule {
- private final int mField;
-
- TwoDigitNumberField(int field) {
- mField = field;
- }
-
- public int estimateLength() {
- return 2;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(mField));
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- if (value < 100) {
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- else {
- buffer.append(Integer.toString(value));
- }
- }
- }
-
- private static class TwoDigitYearField implements NumberRule {
- TwoDigitYearField() {
- }
-
- public int estimateLength() {
- return 2;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(Calendar.YEAR) % 100);
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- }
-
- private static class TwoDigitMonthField implements NumberRule {
- TwoDigitMonthField() {
- }
-
- public int estimateLength() {
- return 2;
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- appendTo(buffer, calendar.get(Calendar.MONTH) + 1);
- }
-
- public final void appendTo(StringBuffer buffer, int value) {
- buffer.append((char)(value / 10 + '0'));
- buffer.append((char)(value % 10 + '0'));
- }
- }
-
- private static class TwelveHourField implements NumberRule {
- private final NumberRule mRule;
-
- TwelveHourField(NumberRule rule) {
- mRule = rule;
- }
-
- public int estimateLength() {
- return mRule.estimateLength();
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- int value = calendar.get(Calendar.HOUR);
- if (value == 0) {
- value = calendar.getLeastMaximum(Calendar.HOUR) + 1;
- }
- mRule.appendTo(buffer, value);
- }
-
- public void appendTo(StringBuffer buffer, int value) {
- mRule.appendTo(buffer, value);
- }
- }
-
- private static class TwentyFourHourField implements NumberRule {
- private final NumberRule mRule;
-
- TwentyFourHourField(NumberRule rule) {
- mRule = rule;
- }
-
- public int estimateLength() {
- return mRule.estimateLength();
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- int value = calendar.get(Calendar.HOUR_OF_DAY);
- if (value == 0) {
- value = calendar.getMaximum(Calendar.HOUR_OF_DAY) + 1;
- }
- mRule.appendTo(buffer, value);
- }
-
- public void appendTo(StringBuffer buffer, int value) {
- mRule.appendTo(buffer, value);
- }
- }
-
- private static class TimeZoneRule implements Rule {
- private final TimeZone mTimeZone;
- private final Locale mLocale;
- private final int mStyle;
- private final String mStandard;
- private final String mDaylight;
-
- TimeZoneRule(TimeZone timeZone, Locale locale, int style) {
- mTimeZone = timeZone;
- mLocale = locale;
- mStyle = style;
-
- if (timeZone != null) {
- mStandard = getTimeZoneDisplay(timeZone, false, style, locale);
- mDaylight = getTimeZoneDisplay(timeZone, true, style, locale);
- }
- else {
- mStandard = null;
- mDaylight = null;
- }
- }
-
- public int estimateLength() {
- if (mTimeZone != null) {
- return Math.max(mStandard.length(), mDaylight.length());
- }
- else if (mStyle == TimeZone.SHORT) {
- return 4;
- }
- else {
- return 40;
- }
- }
-
- public void appendTo(StringBuffer buffer, Calendar calendar) {
- TimeZone timeZone;
- if ((timeZone = mTimeZone) != null) {
- if (timeZone.useDaylightTime() &&
- calendar.get(Calendar.DST_OFFSET) != 0) {
-
- buffer.append(mDaylight);
- }
- else {
- buffer.append(mStandard);
- }
- }
- else {
- timeZone = calendar.getTimeZone();
- if (timeZone.useDaylightTime() &&
- calendar.get(Calendar.DST_OFFSET) != 0) {
-
- buffer.append(getTimeZoneDisplay
- (timeZone, true, mStyle, mLocale));
- }
- else {
- buffer.append(getTimeZoneDisplay
- (timeZone, false, mStyle, mLocale));
- }
- }
- }
- }
-
- private static class TimeZoneDisplayKey {
- private final TimeZone mTimeZone;
- private final int mStyle;
- private final Locale mLocale;
-
- TimeZoneDisplayKey(TimeZone timeZone,
- boolean daylight, int style, Locale locale) {
- mTimeZone = timeZone;
- if (daylight) {
- style |= 0x80000000;
- }
- mStyle = style;
- mLocale = locale;
- }
-
- public int hashCode() {
- return mStyle * 31 + mLocale.hashCode();
- }
-
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
- if (obj instanceof TimeZoneDisplayKey) {
- TimeZoneDisplayKey other = (TimeZoneDisplayKey)obj;
- return
- mTimeZone.equals(other.mTimeZone) &&
- mStyle == other.mStyle &&
- mLocale.equals(other.mLocale);
- }
- return false;
- }
- }
-
- // Pair
- //
----------------------------------------------------------------------------------
- /**
- * Helper class for creating compound objects. One use for this class is to
create a
- * hashtable key out of multiple objects.
- */
- private static class Pair implements Comparable, java.io.Serializable {
- private final Object mObj1;
- private final Object mObj2;
-
- public Pair(Object obj1, Object obj2) {
- mObj1 = obj1;
- mObj2 = obj2;
- }
-
- public int compareTo(Object obj) {
- if (this == obj) {
- return 0;
- }
-
- Pair other = (Pair)obj;
-
- Object a = mObj1;
- Object b = other.mObj1;
-
- firstTest: {
- if (a == null) {
- if (b != null) {
- return 1;
- }
- // Both a and b are null.
- break firstTest;
- }
- else {
- if (b == null) {
- return -1;
- }
- }
-
- int result = ((Comparable)a).compareTo(b);
-
- if (result != 0) {
- return result;
- }
- }
-
- a = mObj2;
- b = other.mObj2;
-
- if (a == null) {
- if (b != null) {
- return 1;
- }
- // Both a and b are null.
- return 0;
- }
- else {
- if (b == null) {
- return -1;
- }
- }
-
- return ((Comparable)a).compareTo(b);
- }
-
- public boolean equals(Object obj) {
- if (this == obj) {
- return true;
- }
-
- if (!(obj instanceof Pair)) {
- return false;
- }
-
- Pair key = (Pair)obj;
-
- return
- (mObj1 == null ?
- key.mObj1 == null : mObj1.equals(key.mObj1)) &&
- (mObj2 == null ?
- key.mObj2 == null : mObj2.equals(key.mObj2));
- }
-
- public int hashCode() {
- return
- (mObj1 == null ? 0 : mObj1.hashCode()) +
- (mObj2 == null ? 0 : mObj2.hashCode());
- }
-
- public String toString() {
- return "[" + mObj1 + ':' + mObj2 + ']';
- }
- }
-}
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact [EMAIL PROTECTED]
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+package org.apache.commons.lang.time;
+
+import java.util.Date;
+import java.util.Calendar;
+import java.util.GregorianCalendar;
+import java.util.Locale;
+import java.util.TimeZone;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.text.DateFormatSymbols;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+
+/******************************************************************************
+ * Similar to {@link java.text.SimpleDateFormat}, but faster and thread-safe.
+ * Only formatting is supported, but all patterns are compatible with
+ * SimpleDateFormat. [Code originally taken from the open source TreeTrove
+ * project.]
+ *
+ * @author Brian S O'Neill
+ * @author Sean Schofield
+ * @since 2.0
+ * @version $Id$
+ */
+public class FastDateFormat {
+ /** Style pattern */
+ public static final Object
+ FULL = new Integer(SimpleDateFormat.FULL),
+ LONG = new Integer(SimpleDateFormat.LONG),
+ MEDIUM = new Integer(SimpleDateFormat.MEDIUM),
+ SHORT = new Integer(SimpleDateFormat.SHORT);
+
+ private static final double LOG_10 = Math.log(10);
+
+ private static String cDefaultPattern;
+ private static TimeZone cDefaultTimeZone = TimeZone.getDefault();
+
+ private static Map cTimeZoneDisplayCache = new HashMap();
+
+ private static Map cInstanceCache = new HashMap(7);
+ private static Map cDateInstanceCache = new HashMap(7);
+ private static Map cTimeInstanceCache = new HashMap(7);
+ private static Map cDateTimeInstanceCache = new HashMap(7);
+
+ public static FastDateFormat getInstance() {
+ //return getInstance(getDefaultPattern(), null, null, null);
+ return getInstance(getDefaultPattern(), null, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ */
+ public static FastDateFormat getInstance(String pattern) {
+ //return getInstance(pattern, null, null, null);
+ return getInstance(pattern, null, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ */
+ public static FastDateFormat getInstance(String pattern, TimeZone timeZone) {
+ //return getInstance(pattern, timeZone, null, null);
+ return getInstance(pattern, timeZone, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param locale optional locale, overrides system locale
+ */
+ public static FastDateFormat getInstance(String pattern, Locale locale) {
+ //return getInstance(pattern, null, locale, null);
+ return getInstance(pattern, null, locale);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param symbols optional date format symbols, overrides symbols for
+ * system locale
+ */
+ /*
+ public static FastDateFormat getInstance
+ (String pattern, DateFormatSymbols symbols)
+ throws IllegalArgumentException
+ {
+ return getInstance(pattern, null, null, symbols);
+ }
+ */
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ */
+ public static FastDateFormat getInstance(String pattern, TimeZone timeZone,
Locale locale) {
+ //return getInstance(pattern, timeZone, locale, null);
+ Object key = pattern;
+
+ if (timeZone != null) {
+ key = new Pair(key, timeZone);
+ }
+ if (locale != null) {
+ key = new Pair(key, locale);
+ }
+
+ FastDateFormat format = (FastDateFormat)cInstanceCache.get(key);
+ if (format == null) {
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+
+ format = new FastDateFormat(pattern, timeZone, locale, new
DateFormatSymbols(locale));
+ cInstanceCache.put(key, format);
+ }
+ return format;
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ * @param symbols optional date format symbols, overrides symbols for
+ * provided locale
+ */
+ /*
+ public static synchronized FastDateFormat getInstance
+ (String pattern, TimeZone timeZone, Locale locale,
+ DateFormatSymbols symbols)
+ throws IllegalArgumentException
+ {
+ Object key = pattern;
+
+ if (timeZone != null) {
+ key = new Pair(key, timeZone);
+ }
+ if (locale != null) {
+ key = new Pair(key, locale);
+ }
+ if (symbols != null) {
+ key = new Pair(key, symbols);
+ }
+
+ FastDateFormat format = (FastDateFormat)cInstanceCache.get(key);
+ if (format == null) {
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+ if (symbols == null) {
+ symbols = new DateFormatSymbols(locale);
+ }
+ format = new FastDateFormat(pattern, timeZone, locale, symbols);
+ cInstanceCache.put(key, format);
+ }
+ return format;
+ }
+ */
+
+ /**
+ * @param style date style: FULL, LONG, MEDIUM, or SHORT (corresponds to those
in java.text.DateFormat)
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ */
+ public static synchronized FastDateFormat getDateInstance(int style, TimeZone
timeZone, Locale locale) {
+ Object key = new Integer(style);
+
+ if (timeZone != null) {
+ key = new Pair(key, timeZone);
+ }
+ if (locale == null) {
+ key = new Pair(key, locale);
+ }
+
+ FastDateFormat format = (FastDateFormat)cDateInstanceCache.get(key);
+
+ if (format == null) {
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+
+ try {
+ String pattern =
((SimpleDateFormat)DateFormat.getDateInstance(style, locale)).toPattern();
+ format = getInstance(pattern, timeZone, locale);
+ cDateInstanceCache.put(key, format);
+ }
+ catch (ClassCastException e) {
+ throw new IllegalArgumentException
+ ("No date pattern for locale: " + locale);
+ }
+ }
+
+ return format;
+ }
+
+ /**
+ * @param style time style: FULL, LONG, MEDIUM, or SHORT
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ */
+ public static synchronized FastDateFormat getTimeInstance(int style, TimeZone
timeZone, Locale locale) {
+ Object key = new Integer(style);
+
+ if (timeZone != null) {
+ key = new Pair(key, timeZone);
+ }
+ if (locale != null) {
+ key = new Pair(key, locale);
+ }
+
+ FastDateFormat format = (FastDateFormat)cTimeInstanceCache.get(key);
+
+ if (format == null) {
+
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+
+ try {
+ String pattern =
((SimpleDateFormat)DateFormat.getTimeInstance(style, locale)).toPattern();
+ format = getInstance(pattern, timeZone, locale);
+ cTimeInstanceCache.put(key, format);
+ }
+ catch (ClassCastException e) {
+ throw new IllegalArgumentException
+ ("No date pattern for locale: " + locale);
+ }
+ }
+
+ return format;
+ }
+
+ /**
+ * @param dateStyle date style: FULL, LONG, MEDIUM, or SHORT
+ * @param timeStyle time style: FULL, LONG, MEDIUM, or SHORT
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ */
+ public static synchronized FastDateFormat getDateTimeInstance(Object dateStyle,
Object timeStyle,
+ TimeZone timeZone, Locale locale) {
+
+ Object key = new Pair(dateStyle, timeStyle);
+
+ if (timeZone != null) {
+ key = new Pair(key, timeZone);
+ }
+ if (locale != null) {
+ key = new Pair(key, locale);
+ }
+
+ FastDateFormat format =
+ (FastDateFormat)cDateTimeInstanceCache.get(key);
+
+ if (format == null) {
+ int ds;
+ try {
+ ds = ((Integer)dateStyle).intValue();
+ }
+ catch (ClassCastException e) {
+ throw new IllegalArgumentException
+ ("Illegal date style: " + dateStyle);
+ }
+
+ int ts;
+ try {
+ ts = ((Integer)timeStyle).intValue();
+ }
+ catch (ClassCastException e) {
+ throw new IllegalArgumentException
+ ("Illegal time style: " + timeStyle);
+ }
+
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+
+ try {
+ String pattern =
((SimpleDateFormat)DateFormat.getDateTimeInstance(ds, ts, locale)).toPattern();
+ format = getInstance(pattern, timeZone, locale);
+ cDateTimeInstanceCache.put(key, format);
+ }
+ catch (ClassCastException e) {
+ throw new IllegalArgumentException
+ ("No date time pattern for locale: " + locale);
+ }
+ }
+
+ return format;
+ }
+
+ static synchronized String getTimeZoneDisplay(TimeZone tz, boolean daylight,
int style, Locale locale) {
+ Object key = new TimeZoneDisplayKey(tz, daylight, style, locale);
+ String value = (String)cTimeZoneDisplayCache.get(key);
+ if (value == null) {
+ // This is a very slow call, so cache the results.
+ value = tz.getDisplayName(daylight, style, locale);
+ cTimeZoneDisplayCache.put(key, value);
+ }
+ return value;
+ }
+
+ private static synchronized String getDefaultPattern() {
+ if (cDefaultPattern == null) {
+ cDefaultPattern = new SimpleDateFormat().toPattern();
+ }
+ return cDefaultPattern;
+ }
+
+ /**
+ * Returns a list of Rules.
+ */
+ private static List parse(String pattern, TimeZone timeZone, Locale locale,
DateFormatSymbols symbols) {
+ List rules = new ArrayList();
+
+ String[] ERAs = symbols.getEras();
+ String[] months = symbols.getMonths();
+ String[] shortMonths = symbols.getShortMonths();
+ String[] weekdays = symbols.getWeekdays();
+ String[] shortWeekdays = symbols.getShortWeekdays();
+ String[] AmPmStrings = symbols.getAmPmStrings();
+
+ int length = pattern.length();
+ int[] indexRef = new int[1];
+
+ for (int i=0; i<length; i++) {
+ indexRef[0] = i;
+ String token = parseToken(pattern, indexRef);
+ i = indexRef[0];
+
+ int tokenLen = token.length();
+ if (tokenLen == 0) {
+ break;
+ }
+
+ Rule rule;
+ char c = token.charAt(0);
+
+ switch (c) {
+ case 'G': // era designator (text)
+ rule = new TextField(Calendar.ERA, ERAs);
+ break;
+ case 'y': // year (number)
+ if (tokenLen >= 4) {
+ rule = new UnpaddedNumberField(Calendar.YEAR);
+ }
+ else {
+ rule = new TwoDigitYearField();
+ }
+ break;
+ case 'M': // month in year (text and number)
+ if (tokenLen >= 4) {
+ rule = new TextField(Calendar.MONTH, months);
+ }
+ else if (tokenLen == 3) {
+ rule = new TextField(Calendar.MONTH, shortMonths);
+ }
+ else if (tokenLen == 2) {
+ rule = new TwoDigitMonthField();
+ }
+ else {
+ rule = new UnpaddedMonthField();
+ }
+ break;
+ case 'd': // day in month (number)
+ rule = selectNumberRule(Calendar.DAY_OF_MONTH, tokenLen);
+ break;
+ case 'h': // hour in am/pm (number, 1..12)
+ rule = new TwelveHourField
+ (selectNumberRule(Calendar.HOUR, tokenLen));
+ break;
+ case 'H': // hour in day (number, 0..23)
+ rule = selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen);
+ break;
+ case 'm': // minute in hour (number)
+ rule = selectNumberRule(Calendar.MINUTE, tokenLen);
+ break;
+ case 's': // second in minute (number)
+ rule = selectNumberRule(Calendar.SECOND, tokenLen);
+ break;
+ case 'S': // millisecond (number)
+ rule = selectNumberRule(Calendar.MILLISECOND, tokenLen);
+ break;
+ case 'E': // day in week (text)
+ rule = new TextField
+ (Calendar.DAY_OF_WEEK,
+ tokenLen < 4 ? shortWeekdays : weekdays);
+ break;
+ case 'D': // day in year (number)
+ rule = selectNumberRule(Calendar.DAY_OF_YEAR, tokenLen);
+ break;
+ case 'F': // day of week in month (number)
+ rule = selectNumberRule
+ (Calendar.DAY_OF_WEEK_IN_MONTH, tokenLen);
+ break;
+ case 'w': // week in year (number)
+ rule = selectNumberRule(Calendar.WEEK_OF_YEAR, tokenLen);
+ break;
+ case 'W': // week in month (number)
+ rule = selectNumberRule(Calendar.WEEK_OF_MONTH, tokenLen);
+ break;
+ case 'a': // am/pm marker (text)
+ rule = new TextField(Calendar.AM_PM, AmPmStrings);
+ break;
+ case 'k': // hour in day (1..24)
+ rule = new TwentyFourHourField
+ (selectNumberRule(Calendar.HOUR_OF_DAY, tokenLen));
+ break;
+ case 'K': // hour in am/pm (0..11)
+ rule = selectNumberRule(Calendar.HOUR, tokenLen);
+ break;
+ case 'z': // time zone (text)
+ if (tokenLen >= 4) {
+ rule = new TimeZoneRule(timeZone, locale, TimeZone.LONG);
+ }
+ else {
+ rule = new TimeZoneRule(timeZone, locale, TimeZone.SHORT);
+ }
+ break;
+ case '\'': // literal text
+ String sub = token.substring(1);
+ if (sub.length() == 1) {
+ rule = new CharacterLiteral(sub.charAt(0));
+ }
+ else {
+ rule = new StringLiteral(new String(sub));
+ }
+ break;
+ default:
+ throw new IllegalArgumentException
+ ("Illegal pattern component: " + token);
+ }
+
+ rules.add(rule);
+ }
+
+ return rules;
+ }
+
+ private static String parseToken(String pattern, int[] indexRef) {
+ StringBuffer buf = new StringBuffer();
+
+ int i = indexRef[0];
+ int length = pattern.length();
+
+ char c = pattern.charAt(i);
+ if (c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z') {
+ // Scan a run of the same character, which indicates a time
+ // pattern.
+ buf.append(c);
+
+ while (i + 1 < length) {
+ char peek = pattern.charAt(i + 1);
+ if (peek == c) {
+ buf.append(c);
+ i++;
+ }
+ else {
+ break;
+ }
+ }
+ }
+ else {
+ // This will identify token as text.
+ buf.append('\'');
+
+ boolean inLiteral = false;
+
+ for (; i < length; i++) {
+ c = pattern.charAt(i);
+
+ if (c == '\'') {
+ if (i + 1 < length && pattern.charAt(i + 1) == '\'') {
+ // '' is treated as escaped '
+ i++;
+ buf.append(c);
+ }
+ else {
+ inLiteral = !inLiteral;
+ }
+ }
+ else if (!inLiteral &&
+ (c >= 'A' && c <= 'Z' || c >= 'a' && c <= 'z')) {
+ i--;
+ break;
+ }
+ else {
+ buf.append(c);
+ }
+ }
+ }
+
+ indexRef[0] = i;
+ return buf.toString();
+ }
+
+ private static NumberRule selectNumberRule(int field, int padding) {
+ switch (padding) {
+ case 1:
+ return new UnpaddedNumberField(field);
+ case 2:
+ return new TwoDigitNumberField(field);
+ default:
+ return new PaddedNumberField(field, padding);
+ }
+ }
+
+ private final String mPattern;
+ private final TimeZone mTimeZone;
+ private final Locale mLocale;
+ private final Rule[] mRules;
+ private final int mMaxLengthEstimate;
+
+ private FastDateFormat() {
+ this(getDefaultPattern(), null, null, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ */
+ private FastDateFormat(String pattern) throws IllegalArgumentException {
+ this(pattern, null, null, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ */
+ private FastDateFormat(String pattern, TimeZone timeZone) {
+ this(pattern, timeZone, null, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param locale optional locale, overrides system locale
+ */
+ private FastDateFormat(String pattern, Locale locale) {
+ this(pattern, null, locale, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param symbols optional date format symbols, overrides symbols for
+ * system locale
+ */
+ private FastDateFormat(String pattern, DateFormatSymbols symbols) {
+ this(pattern, null, null, symbols);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ */
+ private FastDateFormat(String pattern, TimeZone timeZone, Locale locale) {
+ this(pattern, timeZone, locale, null);
+ }
+
+ /**
+ * @param pattern {@link java.text.SimpleDateFormat} compatible pattern
+ * @param timeZone optional time zone, overrides time zone of formatted
+ * date
+ * @param locale optional locale, overrides system locale
+ * @param symbols optional date format symbols, overrides symbols for
+ * provided locale
+ */
+ private FastDateFormat(String pattern, TimeZone timeZone, Locale locale,
DateFormatSymbols symbols) {
+ if (locale == null) {
+ locale = Locale.getDefault();
+ }
+
+ mPattern = pattern;
+ mTimeZone = timeZone;
+ mLocale = locale;
+
+ if (symbols == null) {
+ symbols = new DateFormatSymbols(locale);
+ }
+
+ List rulesList = parse(pattern, timeZone, locale, symbols);
+ mRules = (Rule[])rulesList.toArray(new Rule[rulesList.size()]);
+
+ int len = 0;
+ for (int i=mRules.length; --i >= 0; ) {
+ len += mRules[i].estimateLength();
+ }
+
+ mMaxLengthEstimate = len;
+ }
+
+ public String format(Date date) {
+ Calendar c = new GregorianCalendar(cDefaultTimeZone);
+ c.setTime(date);
+ if (mTimeZone != null) {
+ c.setTimeZone(mTimeZone);
+ }
+ return applyRules(c, new StringBuffer(mMaxLengthEstimate)).toString();
+ }
+
+ public String format(Calendar calendar) {
+ return format(calendar, new StringBuffer(mMaxLengthEstimate))
+ .toString();
+ }
+
+ public StringBuffer format(Date date, StringBuffer buf) {
+ Calendar c = new GregorianCalendar(cDefaultTimeZone);
+ c.setTime(date);
+ if (mTimeZone != null) {
+ c.setTimeZone(mTimeZone);
+ }
+ return applyRules(c, buf);
+ }
+
+ public StringBuffer format(Calendar calendar, StringBuffer buf) {
+ if (mTimeZone != null) {
+ calendar = (Calendar)calendar.clone();
+ calendar.setTimeZone(mTimeZone);
+ }
+ return applyRules(calendar, buf);
+ }
+
+ private StringBuffer applyRules(Calendar calendar, StringBuffer buf) {
+ Rule[] rules = mRules;
+ int len = mRules.length;
+ for (int i=0; i<len; i++) {
+ rules[i].appendTo(buf, calendar);
+ }
+ return buf;
+ }
+
+ public String getPattern() {
+ return mPattern;
+ }
+
+ /**
+ * Returns the time zone used by this formatter, or null if time zone of
+ * formatted dates is used instead.
+ */
+ public TimeZone getTimeZone() {
+ return mTimeZone;
+ }
+
+ public Locale getLocale() {
+ return mLocale;
+ }
+
+ /**
+ * Returns an estimate for the maximum length date that this date
+ * formatter will produce. The actual formatted length will almost always
+ * be less than or equal to this amount.
+ */
+ public int getMaxLengthEstimate() {
+ return mMaxLengthEstimate;
+ }
+
+ private interface Rule {
+ int estimateLength();
+
+ void appendTo(StringBuffer buffer, Calendar calendar);
+ }
+
+ private interface NumberRule extends Rule {
+ void appendTo(StringBuffer buffer, int value);
+ }
+
+ private static class CharacterLiteral implements Rule {
+ private final char mValue;
+
+ CharacterLiteral(char value) {
+ mValue = value;
+ }
+
+ public int estimateLength() {
+ return 1;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ buffer.append(mValue);
+ }
+ }
+
+ private static class StringLiteral implements Rule {
+ private final String mValue;
+
+ StringLiteral(String value) {
+ mValue = value;
+ }
+
+ public int estimateLength() {
+ return mValue.length();
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ buffer.append(mValue);
+ }
+ }
+
+ private static class TextField implements Rule {
+ private final int mField;
+ private final String[] mValues;
+
+ TextField(int field, String[] values) {
+ mField = field;
+ mValues = values;
+ }
+
+ public int estimateLength() {
+ int max = 0;
+ for (int i=mValues.length; --i >= 0; ) {
+ int len = mValues[i].length();
+ if (len > max) {
+ max = len;
+ }
+ }
+ return max;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ buffer.append(mValues[calendar.get(mField)]);
+ }
+ }
+
+ private static class UnpaddedNumberField implements NumberRule {
+ private final int mField;
+
+ UnpaddedNumberField(int field) {
+ mField = field;
+ }
+
+ public int estimateLength() {
+ return 4;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(mField));
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ if (value < 10) {
+ buffer.append((char)(value + '0'));
+ }
+ else if (value < 100) {
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ else {
+ buffer.append(Integer.toString(value));
+ }
+ }
+ }
+
+ private static class UnpaddedMonthField implements NumberRule {
+ UnpaddedMonthField() {
+ }
+
+ public int estimateLength() {
+ return 2;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(Calendar.MONTH) + 1);
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ if (value < 10) {
+ buffer.append((char)(value + '0'));
+ }
+ else {
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ }
+ }
+
+ private static class PaddedNumberField implements NumberRule {
+ private final int mField;
+ private final int mSize;
+
+ PaddedNumberField(int field, int size) {
+ if (size < 3) {
+ // Should use UnpaddedNumberField or TwoDigitNumberField.
+ throw new IllegalArgumentException();
+ }
+ mField = field;
+ mSize = size;
+ }
+
+ public int estimateLength() {
+ return 4;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(mField));
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ if (value < 100) {
+ for (int i = mSize; --i >= 2; ) {
+ buffer.append('0');
+ }
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ else {
+ int digits;
+ if (value < 1000) {
+ digits = 3;
+ }
+ else {
+ digits = (int)(Math.log(value) / LOG_10) + 1;
+ }
+ for (int i = mSize; --i >= digits; ) {
+ buffer.append('0');
+ }
+ buffer.append(Integer.toString(value));
+ }
+ }
+ }
+
+ private static class TwoDigitNumberField implements NumberRule {
+ private final int mField;
+
+ TwoDigitNumberField(int field) {
+ mField = field;
+ }
+
+ public int estimateLength() {
+ return 2;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(mField));
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ if (value < 100) {
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ else {
+ buffer.append(Integer.toString(value));
+ }
+ }
+ }
+
+ private static class TwoDigitYearField implements NumberRule {
+ TwoDigitYearField() {
+ }
+
+ public int estimateLength() {
+ return 2;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(Calendar.YEAR) % 100);
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ }
+
+ private static class TwoDigitMonthField implements NumberRule {
+ TwoDigitMonthField() {
+ }
+
+ public int estimateLength() {
+ return 2;
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ appendTo(buffer, calendar.get(Calendar.MONTH) + 1);
+ }
+
+ public final void appendTo(StringBuffer buffer, int value) {
+ buffer.append((char)(value / 10 + '0'));
+ buffer.append((char)(value % 10 + '0'));
+ }
+ }
+
+ private static class TwelveHourField implements NumberRule {
+ private final NumberRule mRule;
+
+ TwelveHourField(NumberRule rule) {
+ mRule = rule;
+ }
+
+ public int estimateLength() {
+ return mRule.estimateLength();
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ int value = calendar.get(Calendar.HOUR);
+ if (value == 0) {
+ value = calendar.getLeastMaximum(Calendar.HOUR) + 1;
+ }
+ mRule.appendTo(buffer, value);
+ }
+
+ public void appendTo(StringBuffer buffer, int value) {
+ mRule.appendTo(buffer, value);
+ }
+ }
+
+ private static class TwentyFourHourField implements NumberRule {
+ private final NumberRule mRule;
+
+ TwentyFourHourField(NumberRule rule) {
+ mRule = rule;
+ }
+
+ public int estimateLength() {
+ return mRule.estimateLength();
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ int value = calendar.get(Calendar.HOUR_OF_DAY);
+ if (value == 0) {
+ value = calendar.getMaximum(Calendar.HOUR_OF_DAY) + 1;
+ }
+ mRule.appendTo(buffer, value);
+ }
+
+ public void appendTo(StringBuffer buffer, int value) {
+ mRule.appendTo(buffer, value);
+ }
+ }
+
+ private static class TimeZoneRule implements Rule {
+ private final TimeZone mTimeZone;
+ private final Locale mLocale;
+ private final int mStyle;
+ private final String mStandard;
+ private final String mDaylight;
+
+ TimeZoneRule(TimeZone timeZone, Locale locale, int style) {
+ mTimeZone = timeZone;
+ mLocale = locale;
+ mStyle = style;
+
+ if (timeZone != null) {
+ mStandard = getTimeZoneDisplay(timeZone, false, style, locale);
+ mDaylight = getTimeZoneDisplay(timeZone, true, style, locale);
+ }
+ else {
+ mStandard = null;
+ mDaylight = null;
+ }
+ }
+
+ public int estimateLength() {
+ if (mTimeZone != null) {
+ return Math.max(mStandard.length(), mDaylight.length());
+ }
+ else if (mStyle == TimeZone.SHORT) {
+ return 4;
+ }
+ else {
+ return 40;
+ }
+ }
+
+ public void appendTo(StringBuffer buffer, Calendar calendar) {
+ TimeZone timeZone;
+ if ((timeZone = mTimeZone) != null) {
+ if (timeZone.useDaylightTime() &&
+ calendar.get(Calendar.DST_OFFSET) != 0) {
+
+ buffer.append(mDaylight);
+ }
+ else {
+ buffer.append(mStandard);
+ }
+ }
+ else {
+ timeZone = calendar.getTimeZone();
+ if (timeZone.useDaylightTime() &&
+ calendar.get(Calendar.DST_OFFSET) != 0) {
+
+ buffer.append(getTimeZoneDisplay
+ (timeZone, true, mStyle, mLocale));
+ }
+ else {
+ buffer.append(getTimeZoneDisplay
+ (timeZone, false, mStyle, mLocale));
+ }
+ }
+ }
+ }
+
+ private static class TimeZoneDisplayKey {
+ private final TimeZone mTimeZone;
+ private final int mStyle;
+ private final Locale mLocale;
+
+ TimeZoneDisplayKey(TimeZone timeZone,
+ boolean daylight, int style, Locale locale) {
+ mTimeZone = timeZone;
+ if (daylight) {
+ style |= 0x80000000;
+ }
+ mStyle = style;
+ mLocale = locale;
+ }
+
+ public int hashCode() {
+ return mStyle * 31 + mLocale.hashCode();
+ }
+
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+ if (obj instanceof TimeZoneDisplayKey) {
+ TimeZoneDisplayKey other = (TimeZoneDisplayKey)obj;
+ return
+ mTimeZone.equals(other.mTimeZone) &&
+ mStyle == other.mStyle &&
+ mLocale.equals(other.mLocale);
+ }
+ return false;
+ }
+ }
+
+ // Pair
+ //
----------------------------------------------------------------------------------
+ /**
+ * Helper class for creating compound objects. One use for this class is to
create a
+ * hashtable key out of multiple objects.
+ */
+ private static class Pair implements Comparable, java.io.Serializable {
+ private final Object mObj1;
+ private final Object mObj2;
+
+ public Pair(Object obj1, Object obj2) {
+ mObj1 = obj1;
+ mObj2 = obj2;
+ }
+
+ public int compareTo(Object obj) {
+ if (this == obj) {
+ return 0;
+ }
+
+ Pair other = (Pair)obj;
+
+ Object a = mObj1;
+ Object b = other.mObj1;
+
+ firstTest: {
+ if (a == null) {
+ if (b != null) {
+ return 1;
+ }
+ // Both a and b are null.
+ break firstTest;
+ }
+ else {
+ if (b == null) {
+ return -1;
+ }
+ }
+
+ int result = ((Comparable)a).compareTo(b);
+
+ if (result != 0) {
+ return result;
+ }
+ }
+
+ a = mObj2;
+ b = other.mObj2;
+
+ if (a == null) {
+ if (b != null) {
+ return 1;
+ }
+ // Both a and b are null.
+ return 0;
+ }
+ else {
+ if (b == null) {
+ return -1;
+ }
+ }
+
+ return ((Comparable)a).compareTo(b);
+ }
+
+ public boolean equals(Object obj) {
+ if (this == obj) {
+ return true;
+ }
+
+ if (!(obj instanceof Pair)) {
+ return false;
+ }
+
+ Pair key = (Pair)obj;
+
+ return
+ (mObj1 == null ?
+ key.mObj1 == null : mObj1.equals(key.mObj1)) &&
+ (mObj2 == null ?
+ key.mObj2 == null : mObj2.equals(key.mObj2));
+ }
+
+ public int hashCode() {
+ return
+ (mObj1 == null ? 0 : mObj1.hashCode()) +
+ (mObj2 == null ? 0 : mObj2.hashCode());
+ }
+
+ public String toString() {
+ return "[" + mObj1 + ':' + mObj2 + ']';
+ }
+ }
+}
1.2 +167 -166
jakarta-commons/lang/src/test/org/apache/commons/lang/time/FastDateFormatTest.java
Index: FastDateFormatTest.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/lang/src/test/org/apache/commons/lang/time/FastDateFormatTest.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- FastDateFormatTest.java 7 Jan 2003 19:55:55 -0000 1.1
+++ FastDateFormatTest.java 7 Jan 2003 21:21:43 -0000 1.2
@@ -1,166 +1,167 @@
-/* ====================================================================
- * The Apache Software License, Version 1.1
- *
- * Copyright (c) 2002 The Apache Software Foundation. All rights
- * reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. The end-user documentation included with the redistribution, if
- * any, must include the following acknowlegement:
- * "This product includes software developed by the
- * Apache Software Foundation (http://www.apache.org/)."
- * Alternately, this acknowlegement may appear in the software itself,
- * if and wherever such third-party acknowlegements normally appear.
- *
- * 4. The names "The Jakarta Project", "Commons", and "Apache Software
- * Foundation" must not be used to endorse or promote products derived
- * from this software without prior written permission. For written
- * permission, please contact [EMAIL PROTECTED]
- *
- * 5. Products derived from this software may not be called "Apache"
- * nor may "Apache" appear in their names without prior written
- * permission of the Apache Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- * ====================================================================
- *
- * This software consists of voluntary contributions made by many
- * individuals on behalf of the Apache Software Foundation. For more
- * information on the Apache Software Foundation, please see
- * <http://www.apache.org/>.
- */
-package org.apache.commons.lang.time;
-
-import junit.framework.*;
-import junit.textui.TestRunner;
-import java.util.*;
-import java.text.*;
-
-/**
- * Unit tests {@link org.apache.commons.lang.time.FastDateFormat}.
- *
- * @author Sean Schofield
- * @since 2.0
- * @version $Id$
- */
-public class FastDateFormatTest extends TestCase {
-
- private FastDateFormat fastDateFormat = null;
-
- public FastDateFormatTest(String name) {
- super(name);
- }
-
- public static void main(String[] args) {
- TestRunner.run(suite());
- }
-
- public static Test suite() {
- TestSuite suite = new TestSuite(FastDateFormatTest.class);
- suite.setName("FastDateFormat Tests");
-
- return suite;
- }
-
- protected void setUp() throws Exception {
- super.setUp();
- }
-
- protected void tearDown() throws Exception {
- super.tearDown();
- }
-
- public void test_getInstance() {
- FastDateFormat format1 = FastDateFormat.getInstance();
- FastDateFormat format2 = FastDateFormat.getInstance();
- assertSame(format1, format2);
- }
-
- public void test_getInstance_String() {
- FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy");
- FastDateFormat format2 = FastDateFormat.getInstance("MM-DD-yyyy");
- assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
- assertSame(format1, FastDateFormat.getInstance("MM/DD/yyyy"));
- }
-
- public void test_getInstance_String_TimeZone() {
- Locale realDefaultLocale = Locale.getDefault();
- Locale.setDefault(Locale.US);
- TimeZone realDefaultZone = TimeZone.getDefault();
- TimeZone.setDefault(TimeZone.getTimeZone("America/New_York"));
-
- FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
- TimeZone.getTimeZone("Atlantic/Reykjavik"));
- FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy");
- FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
TimeZone.getDefault());
- FastDateFormat format4 = FastDateFormat.getInstance("MM/DD/yyyy",
TimeZone.getDefault());
- FastDateFormat format5 = FastDateFormat.getInstance("MM-DD-yyyy",
TimeZone.getDefault());
-
- assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
-
assertTrue(format1.getTimeZone().equals(TimeZone.getTimeZone("Atlantic/Reykjavik")));
- assertNull(format2.getTimeZone());
- assertSame(format3, format4);
- assertTrue(format3 != format5); // -- junit 3.8 version --
assertFalse(format3 == format5);
-
- Locale.setDefault(realDefaultLocale);
- TimeZone.setDefault(realDefaultZone);
- }
-
- public void test_getInstance_String_Locale() {
- Locale realDefaultLocale = Locale.getDefault();
- Locale.setDefault(Locale.US);
- FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
- FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy");
- FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
-
- assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
- assertSame(format1, format3);
- assertSame(Locale.GERMANY, format1.getLocale());
-
- Locale.setDefault(realDefaultLocale);
- }
-
- public void test_getInstance_String_TimeZone_Locale() {
- Locale realDefaultLocale = Locale.getDefault();
- Locale.setDefault(Locale.US);
- TimeZone realDefaultZone = TimeZone.getDefault();
- TimeZone.setDefault(TimeZone.getTimeZone("America/New_York"));
-
- FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
- TimeZone.getTimeZone("Atlantic/Reykjavik"), Locale.GERMANY);
- FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
- FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
- TimeZone.getDefault(), Locale.GERMANY);
-
- assertTrue(format1 != format2); // -- junit 3.8 version --
assertNotSame(format1, format2);
- assertEquals(format1.getTimeZone(),
TimeZone.getTimeZone("Atlantic/Reykjavik"));
- assertNull(format2.getTimeZone());
- assertEquals(format3.getTimeZone(), TimeZone.getDefault());
- assertEquals(format3.getTimeZone(),
TimeZone.getTimeZone("America/New_York"));
-
- Locale.setDefault(realDefaultLocale);
- TimeZone.setDefault(realDefaultZone);
- }
-}
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution, if
+ * any, must include the following acknowlegement:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowlegement may appear in the software itself,
+ * if and wherever such third-party acknowlegements normally appear.
+ *
+ * 4. The names "The Jakarta Project", "Commons", and "Apache Software
+ * Foundation" must not be used to endorse or promote products derived
+ * from this software without prior written permission. For written
+ * permission, please contact [EMAIL PROTECTED]
+ *
+ * 5. Products derived from this software may not be called "Apache"
+ * nor may "Apache" appear in their names without prior written
+ * permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+package org.apache.commons.lang.time;
+
+import junit.framework.*;
+import junit.textui.TestRunner;
+import java.util.*;
+import java.text.*;
+
+/**
+ * Unit tests {@link org.apache.commons.lang.time.FastDateFormat}.
+ *
+ * @author Sean Schofield
+ * @since 2.0
+ * @version $Id$
+ */
+public class FastDateFormatTest extends TestCase {
+
+ private FastDateFormat fastDateFormat = null;
+
+ public FastDateFormatTest(String name) {
+ super(name);
+ }
+
+ public static void main(String[] args) {
+ TestRunner.run(suite());
+ }
+
+ public static Test suite() {
+ TestSuite suite = new TestSuite(FastDateFormatTest.class);
+ suite.setName("FastDateFormat Tests");
+
+ return suite;
+ }
+
+ protected void setUp() throws Exception {
+ super.setUp();
+ }
+
+ protected void tearDown() throws Exception {
+ super.tearDown();
+ }
+
+ public void test_getInstance() {
+ FastDateFormat format1 = FastDateFormat.getInstance();
+ FastDateFormat format2 = FastDateFormat.getInstance();
+ assertSame(format1, format2);
+ }
+
+ public void test_getInstance_String() {
+ FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy");
+ FastDateFormat format2 = FastDateFormat.getInstance("MM-DD-yyyy");
+ assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
+ assertSame(format1, FastDateFormat.getInstance("MM/DD/yyyy"));
+ }
+
+ public void test_getInstance_String_TimeZone() {
+ Locale realDefaultLocale = Locale.getDefault();
+ Locale.setDefault(Locale.US);
+ TimeZone realDefaultZone = TimeZone.getDefault();
+ TimeZone.setDefault(TimeZone.getTimeZone("America/New_York"));
+
+ FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
+ TimeZone.getTimeZone("Atlantic/Reykjavik"));
+ FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy");
+ FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
TimeZone.getDefault());
+ FastDateFormat format4 = FastDateFormat.getInstance("MM/DD/yyyy",
TimeZone.getDefault());
+ FastDateFormat format5 = FastDateFormat.getInstance("MM-DD-yyyy",
TimeZone.getDefault());
+
+ assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
+
assertTrue(format1.getTimeZone().equals(TimeZone.getTimeZone("Atlantic/Reykjavik")));
+ assertNull(format2.getTimeZone());
+ assertSame(format3, format4);
+ assertTrue(format3 != format5); // -- junit 3.8 version --
assertFalse(format3 == format5);
+
+ Locale.setDefault(realDefaultLocale);
+ TimeZone.setDefault(realDefaultZone);
+ }
+
+ public void test_getInstance_String_Locale() {
+ Locale realDefaultLocale = Locale.getDefault();
+ Locale.setDefault(Locale.US);
+ FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
+ FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy");
+ FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
+
+ assertTrue(format1 != format2); // -- junit 3.8 version --
assertFalse(format1 == format2);
+ assertSame(format1, format3);
+ assertSame(Locale.GERMANY, format1.getLocale());
+
+ Locale.setDefault(realDefaultLocale);
+ }
+
+ public void test_getInstance_String_TimeZone_Locale() {
+ Locale realDefaultLocale = Locale.getDefault();
+ Locale.setDefault(Locale.US);
+ TimeZone realDefaultZone = TimeZone.getDefault();
+ TimeZone.setDefault(TimeZone.getTimeZone("America/New_York"));
+
+ FastDateFormat format1 = FastDateFormat.getInstance("MM/DD/yyyy",
+ TimeZone.getTimeZone("Atlantic/Reykjavik"), Locale.GERMANY);
+ FastDateFormat format2 = FastDateFormat.getInstance("MM/DD/yyyy",
Locale.GERMANY);
+ FastDateFormat format3 = FastDateFormat.getInstance("MM/DD/yyyy",
+ TimeZone.getDefault(), Locale.GERMANY);
+
+ assertTrue(format1 != format2); // -- junit 3.8 version --
assertNotSame(format1, format2);
+ assertEquals(format1.getTimeZone(),
TimeZone.getTimeZone("Atlantic/Reykjavik"));
+ assertNull(format2.getTimeZone());
+ assertEquals(format3.getTimeZone(), TimeZone.getDefault());
+ assertEquals(format3.getTimeZone(),
TimeZone.getTimeZone("America/New_York"));
+
+ Locale.setDefault(realDefaultLocale);
+ TimeZone.setDefault(realDefaultZone);
+ }
+}
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