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YearMonthNominativeSpelloutFormat.java
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YearMonthNominativeSpelloutFormat.java
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package ua.abc.util;
import java.io.IOException;
import java.io.Writer;
import java.util.Locale;
import org.joda.time.Chronology;
import org.joda.time.DateTime;
import org.joda.time.DateTimeFieldType;
import org.joda.time.DateTimeZone;
import org.joda.time.ReadablePartial;
import org.joda.time.YearMonth;
import org.joda.time.format.DateTimeFormatter;
import org.joda.time.format.DateTimeFormatterBuilder;
import org.joda.time.format.DateTimePrinter;
import com.google.common.collect.ImmutableList;
public class YearMonthNominativeSpelloutFormat {
public static String format(YearMonth yearMonth, String pattern, Locale locale) {
DateTimeFormatterBuilder dateTimeFormatterBuilder = new DateTimeFormatterBuilder();
if (pattern.contains("MMMM")) {
if (locale.equals(new Locale("uk"))) {
dateTimeFormatterBuilder.append(new UkrainianNominativeMonthPrinter());
pattern = pattern.replace("MMMM", "");
}
else if (locale.equals(new Locale("ru"))) {
dateTimeFormatterBuilder.append(new RussianNominativeMonthPrinter());
pattern = pattern.replace("MMMM", "");
}
}
dateTimeFormatterBuilder.appendPattern(pattern);
DateTimeFormatter dateTimeFormatter = dateTimeFormatterBuilder.toFormatter().withLocale(locale);
return dateTimeFormatter.print(yearMonth);
}
public static class UkrainianNominativeMonthPrinter extends SimpleDateTimePrinter {
private static final ImmutableList<String> MONTH_NAMES =
ImmutableList.of("січень", "лютий", "березень", "квітень", "травень", "червень",
"липень", "серпень", "вересень", "жовтень", "листопад", "грудень");
private static final int MAX_MONTH_LENGTH;
static {
int max = 0;
for (String month : MONTH_NAMES) {
if (month.length() > max) {
max = month.length();
}
}
MAX_MONTH_LENGTH = max;
}
@Override
public int estimatePrintedLength() {
return MAX_MONTH_LENGTH;
}
protected String getText(ReadablePartial partial, Locale locale) {
int month = partial.get(DateTimeFieldType.monthOfYear());
return MONTH_NAMES.get(month - 1);
}
}
public static class RussianNominativeMonthPrinter extends SimpleDateTimePrinter {
private static final ImmutableList<String> MONTH_NAMES =
ImmutableList.of("январь", "февраль", "март", "апрель", "май", "июнь",
"июль", "август", "сентябрь", "октябрь", "ноябрь", "декабрь");
private static final int MAX_MONTH_LENGTH;
static {
int max = 0;
for (String month : MONTH_NAMES) {
if (month.length() > max) {
max = month.length();
}
}
MAX_MONTH_LENGTH = max;
}
@Override
public int estimatePrintedLength() {
return MAX_MONTH_LENGTH;
}
protected String getText(ReadablePartial partial, Locale locale) {
int month = partial.get(DateTimeFieldType.monthOfYear());
return MONTH_NAMES.get(month - 1);
}
}
public static abstract class SimpleDateTimePrinter implements DateTimePrinter {
protected abstract String getText(ReadablePartial partial, Locale locale);
@Override
public void printTo(StringBuffer buf, long instant, Chronology chrono, int displayOffset,
DateTimeZone displayZone, Locale locale) {
DateTime dateTime = new DateTime(instant, chrono.withZone(displayZone));
String text = getText(dateTime.toLocalDateTime(), locale);
buf.append(text);
}
@Override
public void printTo(Writer out, long instant, Chronology chrono, int displayOffset, DateTimeZone displayZone,
Locale locale) throws IOException {
DateTime dateTime = new DateTime(instant, chrono.withZone(displayZone));
String text = getText(dateTime.toLocalDateTime(), locale);
out.write(text);
}
@Override
public void printTo(StringBuffer buf, ReadablePartial partial, Locale locale) {
buf.append(getText(partial, locale));
}
@Override
public void printTo(Writer out, ReadablePartial partial, Locale locale) throws IOException {
out.write(getText(partial, locale));
}
}
}