/**
* This Source Code Form is subject to the terms of the Mozilla Public License,
* v. 2.0. If a copy of the MPL was not distributed with this file, You can
* obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
* the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
*
* Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
* graphic logo is a trademark of OpenMRS Inc.
*/
package org.openmrs.api.impl;
import java.util.LinkedHashSet;
import java.util.Locale;
import java.util.Set;
import org.openmrs.GlobalProperty;
import org.openmrs.api.GlobalPropertyListener;
import org.openmrs.util.LocaleUtility;
import org.openmrs.util.OpenmrsConstants;
/**
* A utility class which caches the current list of allowed locales, rebuilding the list whenever
* the global properties are updated.
*/
public class GlobalLocaleList implements GlobalPropertyListener {
private Set<Locale> allowedLocales = null;
/**
* @see org.openmrs.api.GlobalPropertyListener#globalPropertyChanged(org.openmrs.GlobalProperty)
*/
@Override
public void globalPropertyChanged(GlobalProperty newValue) {
allowedLocales = new LinkedHashSet<Locale>();
for (String allowedLocaleString : newValue.getPropertyValue().split(",")) {
try {
Locale allowedLocale = LocaleUtility.fromSpecification(allowedLocaleString.trim());
if (allowedLocale != null) {
allowedLocales.add(allowedLocale);
}
}
catch (Exception e) {
// bad locale spec? just ignore it. the UI should take care of
// guiding the user.
}
}
}
/**
* @see org.openmrs.api.GlobalPropertyListener#globalPropertyDeleted(java.lang.String)
*/
@Override
public void globalPropertyDeleted(String propertyName) {
allowedLocales = null;
}
/**
* @see org.openmrs.api.GlobalPropertyListener#supportsPropertyName(java.lang.String)
*/
@Override
public boolean supportsPropertyName(String propertyName) {
return OpenmrsConstants.GLOBAL_PROPERTY_LOCALE_ALLOWED_LIST.equals(propertyName);
}
/**
* Gets the current list of allowed locales.
*
* @return List<Locale> object with allowed Locales defined by the administrator
*/
public Set<Locale> getAllowedLocales() {
return allowedLocales;
}
}