/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.core.commons.chiefcontrollers;
import java.util.Locale;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.olat.core.dispatcher.mapper.Mapper;
import org.olat.core.gui.media.MediaResource;
import org.olat.core.gui.media.StringMediaResource;
import org.olat.core.util.i18n.I18nManager;
/**
* Description:<br>
* The JSTranslatorMapper offers data files needed to generate java script
* translators. The file support time stamp checks to allow browser caching.
*
* <P>
* Initial Date: 29.09.2008 <br>
*
* @author gnaegi
*/
class JSTranslatorMapper implements Mapper {
/**
* @see org.olat.core.dispatcher.mapper.Mapper#handle(java.lang.String, javax.servlet.http.HttpServletRequest)
*/
public MediaResource handle(String relPath, HttpServletRequest request) {
I18nManager i18nManager = I18nManager.getInstance();
// Get bundle and locale
String[] parts = relPath.split("/");
String localeKey = parts[1];
String bundleName = parts[2];
Locale locale = i18nManager.getLocaleOrDefault(localeKey);
// Create a media resource
StringMediaResource resource = new StringMediaResource() {
@Override
public void prepare(HttpServletResponse hres) {
// don't use normal string media headers which prevent caching,
// use standard browser caching based on last modified timestamp
}
};
resource.setLastModified(i18nManager.getLastModifiedDate(locale, bundleName));
resource.setContentType("text/javascript");
// Get the translation data
String translationData = i18nManager.getJSTranslatorData(locale, bundleName);
resource.setData(translationData);
// UTF-8 encoding used in this js file since explicitly set in the ajax
// call (usually js files are 8859-1)
resource.setEncoding("utf-8");
return resource;
}
}