1 /******************************************************************** 2 * COPYRIGHT: 3 * Copyright (c) 2008-2014, International Business Machines Corporation and 4 * others. All Rights Reserved. 5 ********************************************************************/ 6 //! [getBestPatternExample1] 7 #include <iostream> 8 #include "unicode/smpdtfmt.h" 9 #include "unicode/dtptngen.h" 10 #include "unicode/ustdio.h" 11 //! [getBestPatternExample1] 12 13 using namespace std; 14 15 static void getBestPatternExample() { 16 17 u_printf("========================================================================\n"); 18 u_printf(" getBestPatternExample()\n"); 19 u_printf("\n"); 20 u_printf(" Use DateTimePatternGenerator to create customized date/time pattern:\n"); 21 u_printf(" yQQQQ,yMMMM, MMMMd, hhmm, jjmm per locale\n"); 22 u_printf("========================================================================\n"); 23 //! [getBestPatternExample] 24 UnicodeString skeletons [] = { 25 UnicodeString("yQQQQ"), // year + full name of quarter, i.e., 4th quarter 1999 26 UnicodeString("yMMMM"), // year + full name of month, i.e., October 1999 27 UnicodeString("MMMMd"), // full name of month + day of the month, i.e., October 25 28 UnicodeString("hhmm"), // 12-hour-cycle format, i.e., 1:32 PM 29 UnicodeString("jjmm"), // preferred hour format for the given locale, i.e., 24-hour-cycle format for fr_FR 30 0, 31 }; 32 33 Locale locales[] = { 34 Locale ("en_US"), 35 Locale ("fr_FR"), 36 Locale ("zh_CN"), 37 }; 38 39 const char* filename = "sample.txt"; 40 /* open a UTF-8 file for writing */ 41 UFILE* f = u_fopen(filename, "w", NULL,"UTF-8"); 42 UnicodeString dateReturned; 43 UErrorCode status =U_ZERO_ERROR; 44 Calendar *cal = Calendar::createInstance(status); 45 cal->set (1999,9,13,23,58,59); 46 UDate date = cal->getTime(status); 47 u_fprintf(f, "%-20S%-20S%-20S%-20S\n", UnicodeString("Skeleton").getTerminatedBuffer(),UnicodeString("en_US").getTerminatedBuffer(),UnicodeString("fr_FR").getTerminatedBuffer(),UnicodeString("zh_CN").getTerminatedBuffer()); 48 for (int i=0;skeletons[i]!=NULL;i++) { 49 u_fprintf(f, "%-20S",skeletons[i].getTerminatedBuffer()); 50 for (int j=0;j<sizeof(locales)/sizeof(locales[0]);j++) { 51 // create a DateTimePatternGenerator instance for given locale 52 DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locales[j],status); 53 // use getBestPattern method to get the best pattern for the given skeleton 54 UnicodeString pattern = dtfg->getBestPattern(skeletons[i],status); 55 // Constructs a SimpleDateFormat with the best pattern generated above and the given locale 56 SimpleDateFormat *sdf = new SimpleDateFormat(pattern,locales[j],status); 57 dateReturned.remove(); 58 // Get the format of the given date 59 sdf->format(date,dateReturned,status); 60 /* write Unicode string to file */ 61 u_fprintf(f, "%-20S", dateReturned.getTerminatedBuffer()); 62 delete dtfg; 63 delete sdf; 64 } 65 u_fprintf(f,"\n"); 66 } 67 /* close the file resource */ 68 u_fclose(f); 69 delete cal; 70 //! [getBestPatternExample] 71 } 72 73 static void addPatternExample() { 74 75 u_printf("========================================================================\n"); 76 u_printf(" addPatternExample()\n"); 77 u_printf("\n"); 78 u_printf(" Use addPattern API to add new '. von' to existing pattern\n"); 79 u_printf("========================================================================\n"); 80 //! [addPatternExample] 81 UErrorCode status =U_ZERO_ERROR; 82 UnicodeString conflictingPattern,dateReturned, pattern; 83 Locale locale=Locale::getFrance(); 84 Calendar *cal = Calendar::createInstance(status); 85 cal->set (1999,9,13,23,58,59); 86 UDate date = cal->getTime(status); 87 // Create an DateTimePatternGenerator instance for the given locale 88 DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locale,status); 89 SimpleDateFormat *sdf = new SimpleDateFormat(dtfg->getBestPattern("MMMMddHmm",status),locale,status); 90 // Add '. von' to the existing pattern 91 dtfg->addPattern("dd'. von' MMMM", true, conflictingPattern,status); 92 // Apply the new pattern 93 sdf->applyPattern(dtfg->getBestPattern("MMMMddHmm",status)); 94 dateReturned = sdf->format(date, dateReturned, status); 95 pattern =sdf->toPattern(pattern); 96 u_printf("%s\n", "New Pattern for FRENCH: "); 97 u_printf("%S\n", pattern.getTerminatedBuffer()); 98 u_printf("%s\n", "Date Time in new Pattern: "); 99 u_printf("%S\n", dateReturned.getTerminatedBuffer()); 100 delete dtfg; 101 delete sdf; 102 delete cal; 103 104 //! [addPatternExample] 105 /* output of the sample code: 106 ************************************************************************************************ 107 New Pattern for FRENCH: dd. 'von' MMMM HH:mm 108 Date Time in new Pattern: 13. von octobre 23:58 109 110 *************************************************************************************************/ 111 } 112 113 static void replaceFieldTypesExample() { 114 // Use repalceFieldTypes API to replace zone 'zzzz' with 'vvvv' 115 u_printf("========================================================================\n"); 116 u_printf(" replaceFieldTypeExample()\n"); 117 u_printf("\n"); 118 u_printf(" Use replaceFieldTypes API to replace zone 'zzzz' with 'vvvv'\n"); 119 u_printf("========================================================================\n"); 120 //! [replaceFieldTypesExample] 121 UFILE *out = u_finit(stdout, NULL, "UTF-8"); 122 UErrorCode status =U_ZERO_ERROR; 123 UnicodeString pattern,dateReturned; 124 Locale locale =Locale::getFrance(); 125 Calendar *cal = Calendar::createInstance(status); 126 cal->set (1999,9,13,23,58,59); 127 UDate date = cal->getTime(status); 128 TimeZone *zone = TimeZone::createTimeZone(UnicodeString("Europe/Paris")); 129 DateTimePatternGenerator *dtfg = DateTimePatternGenerator::createInstance(locale,status); 130 SimpleDateFormat *sdf = new SimpleDateFormat("EEEE d MMMM y HH:mm:ss zzzz",locale,status); 131 sdf->setTimeZone(*zone); 132 pattern = sdf->toPattern(pattern); 133 u_fprintf(out, "%S\n", UnicodeString("Pattern before replacement:").getTerminatedBuffer()); 134 u_fprintf(out, "%S\n", pattern.getTerminatedBuffer()); 135 dateReturned.remove(); 136 dateReturned = sdf->format(date, dateReturned, status); 137 u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer()); 138 u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer()); 139 // Replace zone "zzzz" in the pattern with "vvvv" 140 UnicodeString newPattern = dtfg->replaceFieldTypes(pattern, "vvvv", status); 141 // Apply the new pattern 142 sdf->applyPattern(newPattern); 143 dateReturned.remove(); 144 dateReturned = sdf->format(date, dateReturned, status); 145 u_fprintf(out, "%S\n", UnicodeString("Pattern after replacement:").getTerminatedBuffer()); 146 u_fprintf(out, "%S\n", newPattern.getTerminatedBuffer()); 147 u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer()); 148 u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer()); 149 delete sdf; 150 delete dtfg; 151 delete zone; 152 delete cal; 153 u_fclose(out); 154 //! [replaceFieldTypesExample] 155 } 156 157 int main (int argc, char* argv[]) 158 { 159 getBestPatternExample(); 160 addPatternExample(); 161 replaceFieldTypesExample(); 162 return 0; 163 } 164
