/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.openmeetings.servlet.outputhandler;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Date;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.openmeetings.OpenmeetingsVariables;
import org.apache.openmeetings.data.basic.FieldLanguageDao;
import org.apache.openmeetings.data.basic.FieldManager;
import org.apache.openmeetings.data.basic.SessiondataDao;
import org.apache.openmeetings.data.user.UserManager;
import org.apache.openmeetings.persistence.beans.lang.FieldLanguage;
import org.apache.openmeetings.persistence.beans.lang.Fieldlanguagesvalues;
import org.apache.openmeetings.servlet.BaseHttpServlet;
import org.dom4j.Document;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.dom4j.Namespace;
import org.dom4j.io.OutputFormat;
import org.dom4j.io.XMLWriter;
import org.red5.logging.Red5LoggerFactory;
import org.slf4j.Logger;
/**
*
* @author sebastianwagner
*
*/
public class LangExport extends BaseHttpServlet {
private static final long serialVersionUID = 243294279856160463L;
private static final Logger log = Red5LoggerFactory.getLogger(
LangExport.class, OpenmeetingsVariables.webAppRootKey);
public static final String FILE_COMMENT = ""
+ "\n"
+ " Licensed to the Apache Software Foundation (ASF) under one\n"
+ " or more contributor license agreements. See the NOTICE file\n"
+ " distributed with this work for additional information\n"
+ " regarding copyright ownership. The ASF licenses this file\n"
+ " to you under the Apache License, Version 2.0 (the\n"
+ " \"License\"); you may not use this file except in compliance\n"
+ " with the License. You may obtain a copy of the License at\n"
+ " \n"
+ " http://www.apache.org/licenses/LICENSE-2.0\n"
+ " \n"
+ " Unless required by applicable law or agreed to in writing,\n"
+ " software distributed under the License is distributed on an\n"
+ " \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n"
+ " KIND, either express or implied. See the License for the\n"
+ " specific language governing permissions and limitations\n"
+ " under the License.\n"
+ " \n"
+ "\n"
+ "\n"
+ "###############################################\n"
+ "This File is auto-generated by the LanguageEditor \n"
+ "to add new Languages or modify/customize it use the LanguageEditor \n"
+ "see http://openmeetings.apache.org/LanguageEditor.html for Details \n"
+ "###############################################";
/*
* (non-Javadoc)
*
* @see
* javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest
* , javax.servlet.http.HttpServletResponse)
*/
@Override
protected void service(HttpServletRequest httpServletRequest,
HttpServletResponse httpServletResponse) throws ServletException,
IOException {
try {
if (getBean(UserManager.class) == null
|| getBean(FieldLanguageDao.class) == null
|| getBean(FieldManager.class) == null
|| getBean(SessiondataDao.class) == null) {
return;
}
String sid = httpServletRequest.getParameter("sid");
if (sid == null) {
sid = "default";
}
log.debug("sid: " + sid);
String language = httpServletRequest.getParameter("language");
if (language == null) {
language = "0";
}
Long language_id = Long.valueOf(language).longValue();
log.debug("language_id: " + language_id);
Long users_id = getBean(SessiondataDao.class).checkSession(sid);
Long user_level = getBean(UserManager.class).getUserLevelByID(users_id);
log.debug("users_id: " + users_id);
log.debug("user_level: " + user_level);
if (user_level != null && user_level > 0) {
FieldLanguage fl = getBean(FieldLanguageDao.class)
.getFieldLanguageById(language_id);
List<Fieldlanguagesvalues> flvList = getBean(FieldManager.class).getMixedFieldValuesList(language_id);
if (fl != null && flvList != null) {
Document doc = createDocument(flvList, getBean(FieldManager.class).getUntranslatedFieldValuesList(language_id));
String requestedFile = fl.getName() + ".xml";
httpServletResponse.reset();
httpServletResponse.resetBuffer();
OutputStream out = httpServletResponse.getOutputStream();
httpServletResponse
.setContentType("APPLICATION/OCTET-STREAM");
httpServletResponse.setHeader("Content-Disposition",
"attachment; filename=\"" + requestedFile + "\"");
// httpServletResponse.setHeader("Content-Length", ""+
// rf.length());
serializetoXML(out, "UTF-8", doc);
out.flush();
out.close();
}
} else {
log.debug("ERROR LangExport: not authorized FileDownload "
+ (new Date()));
}
} catch (Exception er) {
log.error("ERROR ", er);
System.out.println("Error exporting: " + er);
er.printStackTrace();
}
}
public static Document createDocument() {
Document document = DocumentHelper.createDocument();
document.setXMLEncoding("UTF-8");
document.addComment(LangExport.FILE_COMMENT);
return document;
}
public static Element createRoot(Document document) {
Element root = document.addElement("language");
root.add(new Namespace("xsi",
"http://www.w3.org/2001/XMLSchema-instance"));
root.add(new Namespace("noNamespaceSchemaLocation", "language.xsd"));
return root;
}
public Document createDocument(List<Fieldlanguagesvalues> flvList, List<Fieldlanguagesvalues> untranslatedList) throws Exception {
Document document = createDocument();
Element root = createRoot(document);
for (Fieldlanguagesvalues flv : flvList) {
Element eTemp = root.addElement("string")
.addAttribute("id", flv.getFieldvalues().getFieldvalues_id().toString())
.addAttribute("name", flv.getFieldvalues().getName());
Element value = eTemp.addElement("value");
value.addText(flv.getValue());
}
//untranslated
if (untranslatedList.size() > 0) {
root.addComment("Untranslated strings");
for (Fieldlanguagesvalues flv : untranslatedList) {
Element eTemp = root.addElement("string")
.addAttribute("id", flv.getFieldvalues().getFieldvalues_id().toString())
.addAttribute("name", flv.getFieldvalues().getName());
Element value = eTemp.addElement("value");
value.addText(flv.getValue());
}
}
return document;
}
public static void serializetoXML(OutputStream out, String aEncodingScheme,
Document doc) throws Exception {
OutputFormat outformat = OutputFormat.createPrettyPrint();
outformat.setEncoding(aEncodingScheme);
XMLWriter writer = new XMLWriter(out, outformat);
writer.write(doc);
writer.flush();
}
}