/**
* Copyright 2010 Google Inc.
*
* 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.waveprotocol.wave.client.gadget.renderer;
/**
* Locale implementation for Wave Session.
*
*/
public class SessionLocale implements Locale {
/**
* RFC 3066 pattern for language (primary subtag).
*/
private static final String LANG_PATTERN = "[a-zA-Z]{1,8}";
/**
* RFC 3066 pattern for subtag.
*/
private static final String COUNTRY_PATTERN = "[a-zA-Z0-9]{1,8}";
private static final String DEFAULT_LANG = "en";
private static final String DEFAULT_COUNTRY = "ALL";
private final String localeString;
/**
* Constructs a locale instance based on given session.
*
* NOTE(user): Do not access session.getLocale() in constructor to avoid
* issues with wavepanel tests.
*
* @param session Wave session to get locale information from
*/
public SessionLocale(String localeString) {
this.localeString = localeString;
}
private String[] splitSessionLocale() {
return localeString.split("[_-]", 3);
}
@Override
public String getCountry() {
String[] split = splitSessionLocale();
if ((split.length > 1) && split[1].matches(COUNTRY_PATTERN)) {
return split[1];
} else {
return DEFAULT_COUNTRY;
}
}
@Override
public String getLanguage() {
String[] split = splitSessionLocale();
if ((split.length > 0) && split[0].matches(LANG_PATTERN)) {
return split[0];
} else {
return DEFAULT_LANG;
}
}
}