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

226 lines
8.4 KiB
Java

// translator.java
// -------------------------------------
// part of YACY
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2004
//
// This file ist contributed by Alexander Schier
// last major change: 25.05.2005
//
// 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
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
package de.anomic.data;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Vector;
import java.lang.IndexOutOfBoundsException;
import de.anomic.server.logging.serverLog;
import de.anomic.data.listManager;
/**
* 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(String source, Hashtable translationList){
Enumeration keys = translationList.keys();
String result = source;
String key = "";
while(keys.hasMoreElements()){
key = (String)keys.nextElement();
result = result.replaceAll(key, (String)translationList.get(key));
//System.out.println("Replaced \""+key+"\" by \""+translationList.getProperty(key)+"\""); //DEBUG
}
return result;
}
public static Hashtable loadTranslationsLists(File translationFile){
Hashtable lists = new Hashtable(); //list of translationLists for different files.
Hashtable translationList = new Hashtable(); //current Translation Table
ArrayList list = listManager.getListArray(translationFile);
Iterator it = list.iterator();
String line = "";
String value = "";
String[] splitted;
String forFile="";
while(it.hasNext()){
line = (String)it.next();
if(! line.startsWith("#")){
splitted = line.split("==");
if(splitted.length == 2){
translationList.put(splitted[0], splitted[1]);
}else if(splitted.length > 2){
value = "";
for(int i = splitted.length-1;i>=1;i--){
value += splitted[i];
}
translationList.put(splitted[0], value);
}else{ //Invalid line
}
}else if(line.startsWith("#File: ")){
if(forFile != ""){
lists.put(forFile, translationList);
}
if(line.charAt(6)==' '){
forFile=line.substring(7);
}else{
forFile=line.substring(6);
}
translationList=new Hashtable();
}
}
lists.put(forFile, translationList);
return lists;
}
public static boolean translateFile(File sourceFile, File destFile, File translationFile){
Hashtable translationList = (Hashtable)loadTranslationsLists(translationFile).get(sourceFile.getName());
return translateFile(sourceFile, destFile, translationList);
}
public static boolean translateFile(File sourceFile, File destFile, Hashtable translationList){
String content = "";
String line = "";
BufferedReader br = null;
try{
br = new BufferedReader(new InputStreamReader(new FileInputStream(sourceFile)));
while( (line = br.readLine()) != null){
content += line + de.anomic.server.serverCore.crlfString;
}
br.close();
}catch(IOException e){
return false;
} finally {
if (br!=null)try{br.close();}catch(Exception e){}
}
content = translate(content, translationList);
BufferedWriter bw = null;
try{
bw = new BufferedWriter(new FileWriter(destFile));
bw.write(content);
bw.close();
}catch(IOException e){
return false;
} finally {
if(bw!=null)try{bw.close();}catch(Exception e){}
}
return true;
}
public static boolean translateFiles(File sourceDir, File destDir, File baseDir, File translationFile, String extensions){
Hashtable translationLists = loadTranslationsLists(translationFile);
return translateFiles(sourceDir, destDir, baseDir, translationLists, extensions);
}
public static boolean translateFiles(File sourceDir, File destDir, File baseDir, Hashtable translationLists, String extensions){
destDir.mkdirs();
File[] sourceFiles = sourceDir.listFiles();
Vector exts=listManager.string2vector(extensions);
boolean rightExtension;
Iterator it;
String relativePath;
for(int i=0;i<sourceFiles.length;i++){
it=exts.iterator();
rightExtension=false;
while(it.hasNext()){
if(sourceFiles[i].getName().endsWith((String) 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(IndexOutOfBoundsException e){
serverLog.logSevere("Translator", "Error creating relative Path for "+sourceFiles[i].getAbsolutePath());
relativePath="wrong path"; //not in translationLists
}
if(translationLists.containsKey(relativePath)){
if( translateFile(sourceFiles[i], new File(destDir, sourceFiles[i].getName().replace('/', File.separatorChar)), (Hashtable)translationLists.get(relativePath))){
serverLog.logInfo("Translator", "Translated file: "+ relativePath);
}else{
serverLog.logSevere("Translator", "File error while translating file "+relativePath);
}
}else{
//serverLog.logInfo("Translator", "No translation for file: "+relativePath);
}
}
}
return true;
}
public static boolean translateFilesRecursive(File sourceDir, File destDir, File translationFile, String extensions, String notdir){
ArrayList dirList=listManager.getDirsRecursive(sourceDir, notdir);
dirList.add(sourceDir);
Iterator it=dirList.iterator();
File file=null;
File file2=null;
while(it.hasNext()){
file=(File)it.next();
//cuts the sourcePath and prepends the destPath
file2=new File(destDir, file.getPath().substring(sourceDir.getPath().length()));
//file2=new File(file.getPath().replaceFirst(sourceName.replaceAll("\\\\", "\\\\"), destName));
if(file.isDirectory() && !file.getName().equals(notdir)){
//file2.mkdirs();
translateFiles(file, file2, sourceDir, translationFile, extensions);
//translateFilesRecursive(file, file2, translationFile, extension, notdir);
}/*else{
translateFiles(file, file2, translationFile, extension);
}*/
}
return true;
}
}