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yacy_search_server/source/de/anomic/data/translator.java

266 lines
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// 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
//
// $LastChangedDate$
// $LastChangedRevision$
// $LastChangedBy$
//
// 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.ArrayList;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Vector;
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;
/**
* 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 Hashtable<String, String> translationList){
final Enumeration<String> keys = translationList.keys();
String result = source;
String key = "";
while(keys.hasMoreElements()){
key = keys.nextElement();
final Pattern pattern = Pattern.compile(key);
final Matcher matcher = pattern.matcher(result);
if (matcher.find()) {
result = matcher.replaceAll(translationList.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 Hashtable<String, Hashtable<String, String>> loadTranslationsLists(final File translationFile){
final Hashtable<String, Hashtable<String, String>> lists = new Hashtable<String, Hashtable<String, String>>(); //list of translationLists for different files.
Hashtable<String, String> translationList = new Hashtable<String, String>(); //current Translation Table
final ArrayList<String> list = FileUtils.getListArray(translationFile);
final Iterator<String> it = list.iterator();
String line = "";
String[] splitted;
String forFile="";
while(it.hasNext()){
line = it.next();
if (line.length() == 0 || line.charAt(0) != '#'){
splitted = line.split("==", 2);
if (splitted.length == 2) {
translationList.put(splitted[0], splitted[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 Hashtable<String, String>();
}
}
}
lists.put(forFile, translationList);
return lists;
}
public static boolean translateFile(final File sourceFile, final File destFile, final File translationFile){
final Hashtable<String, String> translationList = loadTranslationsLists(translationFile).get(sourceFile.getName());
return translateFile(sourceFile, destFile, translationList);
}
public static boolean translateFile(final File sourceFile, final File destFile, final Hashtable<String, String> translationList){
String content = "";
String line = "";
BufferedReader br = null;
try{
br = new BufferedReader(new InputStreamReader(new FileInputStream(sourceFile),"UTF-8"));
while( (line = br.readLine()) != null){
content += line + 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 = translate(content, translationList);
BufferedWriter bw = null;
try{
bw = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(destFile),"UTF-8"));
bw.write(content);
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){
final Hashtable<String, Hashtable<String, String>> translationLists = loadTranslationsLists(translationFile);
return translateFiles(sourceDir, destDir, baseDir, translationLists, extensions);
}
public static boolean translateFiles(final File sourceDir, final File destDir, final File baseDir, final Hashtable<String, Hashtable<String, String>> translationLists, final String extensions){
destDir.mkdirs();
final File[] sourceFiles = sourceDir.listFiles();
final Vector<String> exts=listManager.string2vector(extensions);
boolean rightExtension;
Iterator<String> it;
String relativePath;
for(int i=0;i<sourceFiles.length;i++){
it=exts.iterator();
rightExtension=false;
while(it.hasNext()){
if(sourceFiles[i].getName().endsWith(it.next())){
rightExtension=true;
break;
}
}
if(rightExtension){
try{
relativePath=sourceFiles[i].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 "+sourceFiles[i].getAbsolutePath());
relativePath="wrong path"; //not in translationLists
}
if(translationLists.containsKey(relativePath)){
Log.logInfo("TRANSLATOR", "Translating file: "+ relativePath);
if(!translateFile(
sourceFiles[i]
, new File(destDir, sourceFiles[i].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 ArrayList<File> dirList=FileUtils.getDirsRecursive(sourceDir, notdir);
dirList.add(sourceDir);
final Iterator<File> it=dirList.iterator();
File file=null;
File file2=null;
while(it.hasNext()){
file=it.next();
//cuts the sourcePath and prepends the destPath
file2=new File(destDir, file.getPath().substring(sourceDir.getPath().length()));
if(file.isDirectory() && !file.getName().equals(notdir)){
translateFiles(file, file2, sourceDir, translationFile, extensions);
}
}
return true;
}
public static HashMap<String, String> langMap(final serverSwitch env) {
final String[] ms = env.getConfig("locale.lang", "").split(",");
final HashMap<String, String> map = new HashMap<String, String>();
int p;
for (int i = 0; i < ms.length; i++) {
p = ms[i].indexOf("/");
if (p > 0)
map.put(ms[i].substring(0, p), ms[i].substring(p + 1));
}
return map;
}
public static boolean changeLang(final serverSwitch env, final String langPath, final String lang) {
if ((lang.equals("default")) || (lang.equals("default.lng"))) {
env.setConfig("locale.language", "default");
return true;
}
final String htRootPath = env.getConfig("htRootPath", "htroot");
final File sourceDir = new File(env.getRootPath(), htRootPath);
final File destDir = new File(env.getConfigPath("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
}
return true;
}
return false;
}
}