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/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package foo;
import java.text.DateFormatSymbols;
import java.text.spi.DateFormatSymbolsProvider;
import java.util.Locale;
/*
* Implements DateFormatSymbolsProvider SPI, in order to check if the
* extensions work correctly.
*/
public class DateFormatSymbolsProviderImpl extends DateFormatSymbolsProvider {
private static final Locale AA = Locale.forLanguageTag("en-AA");
private static final Locale USJCAL = Locale.forLanguageTag("en-US-u-ca-japanese");
private static final Locale[] avail = {AA, Locale.US};
@Override
public Locale[] getAvailableLocales() {
return avail;
}
@Override
public boolean isSupportedLocale(Locale l) {
// Overriding to check the relation between
// isSupportedLocale/getAvailableLocales works correctly
if (l.equals(AA)) {
// delegates to super, as if isSupportedLocale didn't exist.
return super.isSupportedLocale(l);
} else {
return (l.equals(USJCAL));
}
}
@Override
public DateFormatSymbols getInstance(Locale l) {
return new MyDateFormatSymbols(l);
}
class MyDateFormatSymbols extends DateFormatSymbols {
Locale locale;
public MyDateFormatSymbols(Locale l) {
super(l);
locale = l;
}
@Override
public String[] getMonths() {
String[] ret = super.getMonths();
// replace the first item with some unique value
if (locale.stripExtensions().equals(AA)) {
ret[0] = "foo";
} else if (locale.equals(USJCAL)) {
ret[0] = "bar";
} else {
throw new RuntimeException("Unsupported locale: " + locale);
}
return ret;
}
}
}
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