// translator.java
// -------------------------------------
// part of YACY
// (C) by Michael Peter Christen; mc@yacy.net
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// This file ist contributed by Alexander Schier
// last major change: 25.05.2005
//
// $LastChangedDate: 2010-11-21 02:29:32 +0100 (So, 21. Nov 2010) $
// $LastChangedRevision: 7330 $
// $LastChangedBy: low012 $
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package de.anomic.data;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.yacy.kelondro.logging.Log;
import net.yacy.kelondro.util.FileUtils;
import net.yacy.kelondro.util.Formatter;
import de.anomic.server.serverSwitch;
import java.util.List;
import java.util.Map;
import java.util.Set;
/**
* Wordlist based translator
*
* Uses a Property like file with phrases or single words to translate a string or a file
* */
public class Translator {
public static String translate(final String source, final Map<String, String> translationTable){
final Set<String> keys = translationTable.keySet();
String result = source;
for (final String key : keys){
final Pattern pattern = Pattern.compile(key);
final Matcher matcher = pattern.matcher(result);
if (matcher.find()) {
result = matcher.replaceAll(translationTable.get(key));
} else {
//Filename not available, but it will be printed in Log
//after all untranslated Strings as "Translated file: "
if (Log.isFine("TRANSLATOR")) Log.logFine("TRANSLATOR", "Unused String: "+key);
}
}
return result;
}
/**
* Load multiple translationLists from one File. Each List starts with #File: relative/path/to/file
* @param translationFile the File, which contains the Lists
* @return a Hashtable, which contains for each File a Hashtable with translations.
*/
public static Map<String, Map<String, String>> loadTranslationsLists(final File translationFile){
final Map<String, Map<String, String>> lists = new HashMap<String, Map<String, String>>(); //list of translationLists for different files.
Map<String, String> translationList = new HashMap<String, String>(); //current Translation Table
final List<String> list = FileUtils.getListArray(translationFile);
String forFile = "";
for (final String line : list){
if (line.length() == 0 || line.charAt(0) != '#'){
final String[] split = line.split("==", 2);
if (split.length == 2) {
translationList.put(split[0], split[1]);
//}else{ //Invalid line
}
} else if (line.startsWith("#File: ")) {
if (!forFile.equals("")){
lists.put(forFile, translationList);
}
if (line.charAt(6) == ' ') {
forFile=line.substring(7);
} else {
forFile=line.substring(6);
}
if (lists.containsKey(forFile)) {
translationList = lists.get(forFile);
} else {
translationList = new HashMap<String, String>();
}
}
}
lists.put(forFile, translationList);
return lists;
}
public static boolean translateFile(final File sourceFile, final File destFile, final File translationFile){
return translateFile(sourceFile, destFile, loadTranslationsLists(translationFile).get(sourceFile.getName()));
}
public static boolean translateFile(final File sourceFile, final File destFile, final Map<String, String> translationList){
StringBuilder content = new StringBuilder();
BufferedReader br = null;
try{
br = new BufferedReader(new InputStreamReader(new FileInputStream(sourceFile),"UTF-8"));
String line = null;
while( (line = br.readLine()) != null){
content.append(line).append(de.anomic.server.serverCore.CRLF_STRING);
}
br.close();
} catch(final IOException e) {
return false;
} finally {
if (br !=null) {
try {
br.close();
} catch (final Exception e) {}
}
}
content = new StringBuilder(translate(content.toString(), translationList));
BufferedWriter bw = null;
try{
bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(destFile),"UTF-8"));
bw.write(content.toString());
bw.close();
}catch(final IOException e){
return false;
} finally {
if (bw != null) {
try {
bw.close();
} catch (final Exception e) {}
}
}
return true;
}
public static boolean translateFiles(final File sourceDir, final File destDir, final File baseDir, final File translationFile, final String extensions){
return translateFiles(sourceDir, destDir, baseDir, loadTranslationsLists(translationFile), extensions);
}
public static boolean translateFiles(final File sourceDir, final File destDir, final File baseDir, final Map<String, Map<String, String>> translationLists, final String extensions){
destDir.mkdirs();
final File[] sourceFiles = sourceDir.listFiles();
final List<String> exts = ListManager.string2vector(extensions);
boolean rightExtension;
String relativePath;
for (final File sourceFile : sourceFiles) {
rightExtension=false;
for (final String ext : exts) {
if (sourceFile.getName().endsWith(ext)) {
rightExtension=true;
break;
}
}
if (rightExtension) {
try {
relativePath=sourceFile.getAbsolutePath().substring(baseDir.getAbsolutePath().length()+1); //+1 to get the "/"
relativePath = relativePath.replace(File.separatorChar, '/');
} catch (final IndexOutOfBoundsException e) {
Log.logSevere("TRANSLATOR", "Error creating relative Path for "+sourceFile.getAbsolutePath());
relativePath = "wrong path"; //not in translationLists
}
if (translationLists.containsKey(relativePath)) {
Log.logInfo("TRANSLATOR", "Translating file: "+ relativePath);
if(!translateFile(
sourceFile,
new File(destDir, sourceFile.getName().replace('/', File.separatorChar)),
translationLists.get(relativePath)))
{
Log.logSevere("TRANSLATOR", "File error while translating file "+relativePath);
}
//}else{
//serverLog.logInfo("TRANSLATOR", "No translation for file: "+relativePath);
}
}
}
return true;
}
public static boolean translateFilesRecursive(final File sourceDir, final File destDir, final File translationFile, final String extensions, final String notdir){
final List<File> dirList=FileUtils.getDirsRecursive(sourceDir, notdir);
dirList.add(sourceDir);
for (final File file : dirList) {
if(file.isDirectory() && !file.getName().equals(notdir)) {
//cuts the sourcePath and prepends the destPath
File file2 = new File(destDir, file.getPath().substring(sourceDir.getPath().length()));
translateFiles(file, file2, sourceDir, translationFile, extensions);
}
}
return true;
}
public static Map<String, String> langMap(final serverSwitch env) {
final String[] ms = env.getConfig("locale.lang", "").split(",");
final Map<String, String> map = new HashMap<String, String>();
for (final String element : ms) {
int p = element.indexOf('/');
if (p > 0)
map.put(element.substring(0, p), element.substring(p + 1));
}
return map;
}
public static boolean changeLang(final serverSwitch env, final String langPath, final String lang) {
boolean ret = false;
if ("default".equals(lang) || "default.lng".equals(lang)) {
env.setConfig("locale.language", "default");
ret = true;
} else {
final String htRootPath = env.getConfig("htRootPath", "htroot");
final File sourceDir = new File(env.getAppPath(), htRootPath);
final File destDir = new File(env.getDataPath("locale.translated_html", "DATA/LOCALE/htroot"), lang.substring(0, lang.length() - 4));// cut
// .lng
//File destDir = new File(env.getRootPath(), htRootPath + "/locale/" + lang.substring(0, lang.length() - 4));// cut
// .lng
final File translationFile = new File(langPath, lang);
//if (translator.translateFiles(sourceDir, destDir, translationFile, "html")) {
if (Translator.translateFilesRecursive(sourceDir, destDir, translationFile, "html,template,inc", "locale")) {
env.setConfig("locale.language", lang.substring(0, lang.length() - 4));
Formatter.setLocale(env.getConfig("locale.language", "en"));
try {
final BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(new File(destDir, "version"))));
bw.write(env.getConfig("svnRevision", "Error getting Version"));
bw.close();
} catch (final IOException e) {
// Error
}
ret = true;
}
}
return ret;
}
}