1 /******************************************************************** 2 * COPYRIGHT: 3 * Copyright (c) 1997-2009, International Business Machines Corporation and 4 * others. All Rights Reserved. 5 ********************************************************************/ 6 /* 7 * File CALTZTST.H 8 * 9 * Modification History: 10 * 11 * Date Name Description 12 * 08/06/97 aliu Creation. 13 ******************************************************************************** 14 */ 15 16 #include "unicode/utypes.h" 17 18 #if !UCONFIG_NO_FORMATTING 19 20 #include "caltztst.h" 21 #include "unicode/smpdtfmt.h" 22 #include "mutex.h" 23 24 DateFormat* CalendarTimeZoneTest::fgDateFormat = 0; 25 Calendar* CalendarTimeZoneTest::fgCalendar = 0; 26 27 UBool CalendarTimeZoneTest::failure(UErrorCode status, const char* msg, UBool possibleDataError) 28 { 29 if (U_FAILURE(status)) 30 { 31 if (possibleDataError) { 32 dataerrln(UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status)); 33 } else { 34 errcheckln(status, UnicodeString("FAIL: ") + msg + " failed, error " + u_errorName(status)); 35 } 36 return TRUE; 37 } 38 return FALSE; 39 } 40 41 DateFormat* CalendarTimeZoneTest::getDateFormat() 42 { 43 DateFormat *theFormat = 0; 44 45 if (fgDateFormat != 0) // if there's something in the cache 46 { 47 Mutex lock; 48 49 if (fgDateFormat != 0) // Someone might have grabbed it. 50 { 51 theFormat = fgDateFormat; 52 fgDateFormat = 0; // We have exclusive right to this formatter. 53 } 54 } 55 56 if(theFormat == 0) // If we weren't able to pull it out of the cache, then we have to create it. 57 { 58 UErrorCode status = U_ZERO_ERROR; 59 theFormat = new SimpleDateFormat(UnicodeString("EEE MMM dd HH:mm:ss zzz yyyy"), status); 60 if (U_FAILURE(status)) 61 { 62 delete theFormat; 63 theFormat = 0; 64 errcheckln(status, "FAIL: Could not create SimpleDateFormat - %s", u_errorName(status)); 65 } 66 } 67 68 return theFormat; 69 } 70 71 void CalendarTimeZoneTest::releaseDateFormat(DateFormat *adopt) 72 { 73 if(fgDateFormat == 0) // If the cache is empty we must add it back. 74 { 75 Mutex lock; 76 77 if(fgDateFormat == 0) 78 { 79 fgDateFormat = adopt; 80 adopt = 0; 81 } 82 } 83 else { 84 delete adopt; 85 } 86 } 87 88 Calendar* CalendarTimeZoneTest::getCalendar() 89 { 90 Calendar *theCalendar = 0; 91 92 if (fgCalendar != 0) // if there's something in the cache 93 { 94 Mutex lock; 95 96 if (fgCalendar != 0) // Someone might have grabbed it. 97 { 98 theCalendar = fgCalendar; 99 fgCalendar = 0; // We have exclusive right to this calendar. 100 } 101 } 102 103 if(theCalendar == 0) // If we weren't able to pull it out of the cache, then we have to create it. 104 { 105 UErrorCode status = U_ZERO_ERROR; 106 theCalendar = Calendar::createInstance(status); 107 if (U_FAILURE(status)) 108 { 109 delete theCalendar; 110 theCalendar = 0; 111 errln("FAIL: Calendar::createInstance failed"); 112 } 113 } 114 return theCalendar; 115 } 116 117 void CalendarTimeZoneTest::releaseCalendar(Calendar* adopt) 118 { 119 if(fgCalendar == 0) // If the cache is empty we must add it back. 120 { 121 Mutex lock; 122 123 if(fgCalendar == 0) 124 { 125 fgCalendar = adopt; 126 adopt = 0; 127 } 128 } 129 else 130 { 131 delete adopt; 132 } 133 } 134 135 // Utility method for formatting dates for printing; useful for Java->C++ conversion. 136 // Tries to mimic the Java Date.toString() format. 137 UnicodeString 138 CalendarTimeZoneTest::dateToString(UDate d) 139 { 140 UnicodeString str; 141 return dateToString(d, str); 142 } 143 144 UnicodeString& 145 CalendarTimeZoneTest::dateToString(UDate d, UnicodeString& str) 146 { 147 str.remove(); 148 DateFormat* format = getDateFormat(); 149 if (format == 0) 150 { 151 str += "DATE_FORMAT_FAILURE"; 152 return str; 153 } 154 format->format(d, str); 155 releaseDateFormat(format); 156 return str; 157 } 158 159 UnicodeString& 160 CalendarTimeZoneTest::dateToString(UDate d, UnicodeString& str, 161 const TimeZone& tz) 162 { 163 str.remove(); 164 DateFormat* format = getDateFormat(); 165 if (format == 0) 166 { 167 str += "DATE_FORMAT_FAILURE"; 168 return str; 169 } 170 TimeZone* save = format->getTimeZone().clone(); 171 format->setTimeZone(tz); 172 format->format(d, str); 173 format->adoptTimeZone(save); 174 releaseDateFormat(format); 175 return str; 176 } 177 178 // Utility methods to create a date. This is useful for converting Java constructs 179 // which create a Date object. 180 UDate 181 CalendarTimeZoneTest::date(int32_t y, int32_t m, int32_t d, int32_t hr, int32_t min, int32_t sec) 182 { 183 Calendar* cal = getCalendar(); 184 if (cal == 0) return 0.0; 185 cal->clear(); 186 cal->set(1900 + y, m, d, hr, min, sec); // Add 1900 to follow java.util.Date protocol 187 UErrorCode status = U_ZERO_ERROR; 188 UDate dt = cal->getTime(status); 189 releaseCalendar(cal); 190 if (U_FAILURE(status)) 191 { 192 errln("FAIL: Calendar::getTime failed"); 193 return 0.0; 194 } 195 return dt; 196 } 197 198 // Utility methods to create a date. The returned Date is UTC rather than local. 199 /*Date 200 CalendarTimeZoneTest::utcDate(int32_t y, int32_t m, int32_t d, int32_t hr, int32_t min, int32_t sec) 201 { 202 Calendar* cal = getCalendar(); 203 if (cal == 0) return 0.0; 204 UErrorCode status = U_ZERO_ERROR; 205 Date dt = date(y, m, d, hr, min, sec) + 206 cal->get(Calendar::ZONE_OFFSET, status) - 207 cal->get(Calendar::DST_OFFSET, status); 208 releaseCalendar(cal); 209 if (U_FAILURE(status)) 210 { 211 errln("FAIL: Calendar::get failed"); 212 return 0.0; 213 } 214 return dt; 215 }*/ 216 217 // Mimics Date.getYear() etc. 218 void 219 CalendarTimeZoneTest::dateToFields(UDate date, int32_t& y, int32_t& m, int32_t& d, int32_t& hr, int32_t& min, int32_t& sec) 220 { 221 Calendar* cal = getCalendar(); 222 if (cal == 0) return; 223 UErrorCode status = U_ZERO_ERROR; 224 cal->setTime(date, status); 225 y = cal->get(UCAL_YEAR, status) - 1900; 226 m = cal->get(UCAL_MONTH, status); 227 d = cal->get(UCAL_DATE, status); 228 hr = cal->get(UCAL_HOUR_OF_DAY, status); 229 min = cal->get(UCAL_MINUTE, status); 230 sec = cal->get(UCAL_SECOND, status); 231 releaseCalendar(cal); 232 } 233 234 void CalendarTimeZoneTest::cleanup() 235 { 236 delete fgDateFormat; 237 fgDateFormat = 0; 238 delete fgCalendar; 239 fgCalendar = 0; 240 } 241 242 #endif /* #if !UCONFIG_NO_FORMATTING */ 243 244 //eof 245
