| // Copyright 2007, 2008, 2009, 2010 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry5.internal.services; |
| |
| import java.util.Locale; |
| import java.util.Set; |
| |
| import org.apache.tapestry5.SymbolConstants; |
| import org.apache.tapestry5.internal.TapestryInternalUtils; |
| import org.apache.tapestry5.ioc.annotations.Symbol; |
| import org.apache.tapestry5.ioc.internal.util.CollectionFactory; |
| import org.apache.tapestry5.ioc.services.PerthreadManager; |
| import org.apache.tapestry5.services.PersistentLocale; |
| |
| public class PersistentLocaleImpl implements PersistentLocale |
| { |
| private final PerthreadManager perThreadManager; |
| |
| private final String supportedLocales; |
| |
| private final Set<String> localeNames = CollectionFactory.newSet(); |
| |
| public PersistentLocaleImpl(PerthreadManager perThreadManager, |
| |
| @Symbol(SymbolConstants.SUPPORTED_LOCALES) |
| String supportedLocales) |
| { |
| this.perThreadManager = perThreadManager; |
| this.supportedLocales = supportedLocales; |
| |
| for (String name : TapestryInternalUtils.splitAtCommas(supportedLocales)) |
| { |
| localeNames.add(name.toLowerCase()); |
| } |
| } |
| |
| public void set(Locale locale) |
| { |
| assert locale != null; |
| if (!localeNames.contains(locale.toString().toLowerCase())) |
| { |
| String message = String |
| .format( |
| "Locale '%s' is not supported by this application. Supported locales are '%s'; this is configured via the %s symbol.", |
| locale, supportedLocales, SymbolConstants.SUPPORTED_LOCALES); |
| |
| throw new IllegalArgumentException(message); |
| } |
| |
| perThreadManager.put(this, locale); |
| } |
| |
| public Locale get() |
| { |
| return (Locale) perThreadManager.get(this); |
| } |
| |
| public boolean isSet() |
| { |
| return get() != null; |
| } |
| } |