164 lines
7.1 KiB
C++
164 lines
7.1 KiB
C++
/********************************************************************
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* COPYRIGHT:
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* Copyright (c) 2008-2014, International Business Machines Corporation and
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* others. All Rights Reserved.
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********************************************************************/
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//! [getBestPatternExample1]
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#include <iostream>
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#include "unicode/smpdtfmt.h"
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#include "unicode/dtptngen.h"
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#include "unicode/ustdio.h"
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//! [getBestPatternExample1]
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using namespace std;
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static void getBestPatternExample() {
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u_printf("========================================================================\n");
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u_printf(" getBestPatternExample()\n");
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u_printf("\n");
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u_printf(" Use DateTimePatternGenerator to create customized date/time pattern:\n");
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u_printf(" yQQQQ,yMMMM, MMMMd, hhmm, jjmm per locale\n");
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u_printf("========================================================================\n");
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//! [getBestPatternExample]
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UnicodeString skeletons [] = {
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UnicodeString("yQQQQ"), // year + full name of quarter, i.e., 4th quarter 1999
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UnicodeString("yMMMM"), // year + full name of month, i.e., October 1999
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UnicodeString("MMMMd"), // full name of month + day of the month, i.e., October 25
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UnicodeString("hhmm"), // 12-hour-cycle format, i.e., 1:32 PM
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UnicodeString("jjmm"), // preferred hour format for the given locale, i.e., 24-hour-cycle format for fr_FR
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0,
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};
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Locale locales[] = {
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Locale ("en_US"),
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Locale ("fr_FR"),
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Locale ("zh_CN"),
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};
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const char* filename = "sample.txt";
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/* open a UTF-8 file for writing */
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UFILE* f = u_fopen(filename, "w", NULL,"UTF-8");
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UnicodeString dateReturned;
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UErrorCode status =U_ZERO_ERROR;
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Calendar *cal = Calendar::createInstance(status);
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cal->set (1999,9,13,23,58,59);
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UDate date = cal->getTime(status);
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u_fprintf(f, "%-20S%-20S%-20S%-20S\n", UnicodeString("Skeleton").getTerminatedBuffer(),UnicodeString("en_US").getTerminatedBuffer(),UnicodeString("fr_FR").getTerminatedBuffer(),UnicodeString("zh_CN").getTerminatedBuffer());
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for (int i=0;skeletons[i]!=NULL;i++) {
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u_fprintf(f, "%-20S",skeletons[i].getTerminatedBuffer());
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for (int j=0;j<sizeof(locales)/sizeof(locales[0]);j++) {
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// create a DateTimePatternGenerator instance for given locale
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DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locales[j],status);
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// use getBestPattern method to get the best pattern for the given skeleton
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UnicodeString pattern = dtfg->getBestPattern(skeletons[i],status);
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// Constructs a SimpleDateFormat with the best pattern generated above and the given locale
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SimpleDateFormat *sdf = new SimpleDateFormat(pattern,locales[j],status);
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dateReturned.remove();
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// Get the format of the given date
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sdf->format(date,dateReturned,status);
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/* write Unicode string to file */
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u_fprintf(f, "%-20S", dateReturned.getTerminatedBuffer());
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delete dtfg;
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delete sdf;
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}
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u_fprintf(f,"\n");
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}
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/* close the file resource */
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u_fclose(f);
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delete cal;
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//! [getBestPatternExample]
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}
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static void addPatternExample() {
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u_printf("========================================================================\n");
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u_printf(" addPatternExample()\n");
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u_printf("\n");
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u_printf(" Use addPattern API to add new '. von' to existing pattern\n");
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u_printf("========================================================================\n");
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//! [addPatternExample]
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UErrorCode status =U_ZERO_ERROR;
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UnicodeString conflictingPattern,dateReturned, pattern;
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Locale locale=Locale::getFrance();
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Calendar *cal = Calendar::createInstance(status);
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cal->set (1999,9,13,23,58,59);
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UDate date = cal->getTime(status);
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// Create an DateTimePatternGenerator instance for the given locale
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DateTimePatternGenerator *dtfg= DateTimePatternGenerator::createInstance(locale,status);
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SimpleDateFormat *sdf = new SimpleDateFormat(dtfg->getBestPattern("MMMMddHmm",status),locale,status);
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// Add '. von' to the existing pattern
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dtfg->addPattern("dd'. von' MMMM", true, conflictingPattern,status);
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// Apply the new pattern
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sdf->applyPattern(dtfg->getBestPattern("MMMMddHmm",status));
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dateReturned = sdf->format(date, dateReturned, status);
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pattern =sdf->toPattern(pattern);
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u_printf("%s\n", "New Pattern for FRENCH: ");
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u_printf("%S\n", pattern.getTerminatedBuffer());
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u_printf("%s\n", "Date Time in new Pattern: ");
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u_printf("%S\n", dateReturned.getTerminatedBuffer());
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delete dtfg;
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delete sdf;
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delete cal;
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//! [addPatternExample]
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/* output of the sample code:
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************************************************************************************************
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New Pattern for FRENCH: dd. 'von' MMMM HH:mm
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Date Time in new Pattern: 13. von octobre 23:58
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*************************************************************************************************/
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}
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static void replaceFieldTypesExample() {
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// Use repalceFieldTypes API to replace zone 'zzzz' with 'vvvv'
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u_printf("========================================================================\n");
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u_printf(" replaceFieldTypeExample()\n");
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u_printf("\n");
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u_printf(" Use replaceFieldTypes API to replace zone 'zzzz' with 'vvvv'\n");
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u_printf("========================================================================\n");
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//! [replaceFieldTypesExample]
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UFILE *out = u_finit(stdout, NULL, "UTF-8");
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UErrorCode status =U_ZERO_ERROR;
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UnicodeString pattern,dateReturned;
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Locale locale =Locale::getFrance();
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Calendar *cal = Calendar::createInstance(status);
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cal->set (1999,9,13,23,58,59);
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UDate date = cal->getTime(status);
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TimeZone *zone = TimeZone::createTimeZone(UnicodeString("Europe/Paris"));
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DateTimePatternGenerator *dtfg = DateTimePatternGenerator::createInstance(locale,status);
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SimpleDateFormat *sdf = new SimpleDateFormat("EEEE d MMMM y HH:mm:ss zzzz",locale,status);
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sdf->setTimeZone(*zone);
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pattern = sdf->toPattern(pattern);
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u_fprintf(out, "%S\n", UnicodeString("Pattern before replacement:").getTerminatedBuffer());
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u_fprintf(out, "%S\n", pattern.getTerminatedBuffer());
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dateReturned.remove();
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dateReturned = sdf->format(date, dateReturned, status);
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u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer());
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u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer());
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// Replace zone "zzzz" in the pattern with "vvvv"
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UnicodeString newPattern = dtfg->replaceFieldTypes(pattern, "vvvv", status);
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// Apply the new pattern
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sdf->applyPattern(newPattern);
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dateReturned.remove();
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dateReturned = sdf->format(date, dateReturned, status);
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u_fprintf(out, "%S\n", UnicodeString("Pattern after replacement:").getTerminatedBuffer());
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u_fprintf(out, "%S\n", newPattern.getTerminatedBuffer());
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u_fprintf(out, "%S\n", UnicodeString("Date/Time format in fr_FR:").getTerminatedBuffer());
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u_fprintf(out, "%S\n", dateReturned.getTerminatedBuffer());
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delete sdf;
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delete dtfg;
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delete zone;
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delete cal;
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u_fclose(out);
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//! [replaceFieldTypesExample]
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}
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int main (int argc, char* argv[])
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{
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getBestPatternExample();
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addPatternExample();
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replaceFieldTypesExample();
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return 0;
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}
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