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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: GSIReader.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
/*
* Created on 2005
* by Christian Schmidt
*/
package com.sun.star.tooling.converter;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Map;
import com.sun.star.tooling.languageResolver.LanguageResolver;
import com.sun.star.tooling.languageResolver.LanguageResolver.LanguageResolvingException;
/**
* @author Christian Schmidt 2005
*
*/
public class GSIReader extends DataReader {
/**
* A Map holding an empty GSIBlock
*/
private Map EmptyGSIBlock;
/**
* @see LanguageResolver
*/
LanguageResolver languageResolver;
/**
* The source language identifier
*/
protected String sourceLanguage;
/**
* The target language identifier
*/
protected String targetLanguage;
/**
* The number of the last block
*/
private String oldBlockNr;
/**
* A buffer holding one GSILine
*/
private Map GSILineBuffer;
/**
* Indicates whether to use the buffered line
*/
private boolean useBuffer = false;
private static final String EMPTY = new String("");
/**
* An empty Map to fill with language depending data
*/
private ExtMap EmptyLanguageMap;
/**
* Indicates whether the first block is read
*/
private boolean isFirst = true;
private int lineCounter;
private int blockCounter;
/**
* Indicates whether the last line is read
*/
private boolean lastLineFound = false;
/**
* Create a new Instance of GSIReader
*
* @param source
* the file to read from
* @param sourceLanguage
* the sourceLanguage (must not be empty)
* @param targetLanguage
* the targetLanguage
* @param charset
* the charset used to read source
* @throws java.io.IOException
* @throws Exception
*/
public GSIReader(File source, String sourceLanguage, String targetLanguage,
String charset) throws java.io.IOException {
super(new InputStreamReader(new FileInputStream(source), charset));
this.languageResolver = new LanguageResolver();
this.sourceLanguage = sourceLanguage;
this.targetLanguage = targetLanguage;
EmptyLanguageMap = new ExtMap(new String[0], new String[0]);
}
/**
* Read the next GSIBlock and return the data
*
* @return A Map containing the data of the read GSIBlock the keys for the language depending data are the language id (numeric) the
* single language are acessible with the keys "BlockNr", "resType", "languageNr", "status","content".
*
* @throws IOException
*/
public Map getGSIData() throws IOException {
String help;
Map helpmap;
Map GSIBlock = new HashMap();
GSIBlock.put(sourceLanguage, EmptyLanguageMap.clone());
GSIBlock.put(targetLanguage, EmptyLanguageMap.clone());
String line = EMPTY;
String[] splitLine;
Map GSILine;
String[] GSINames = { "BlockNr", "resType", "languageNr", "status",
"content" };
while (useBuffer || (line = readLine()) != null) {
if (useBuffer) {
GSILine = GSILineBuffer;
GSIBlock.put(sourceLanguage, EmptyLanguageMap.clone());
GSIBlock.put(targetLanguage, EmptyLanguageMap.clone());
GSIBlock.put("BlockNr", GSILine.get("BlockNr"));
useBuffer = false;
} else {
this.lineCounter++;
if ((splitLine = split(line)) == null) {
continue;
}
GSILine = new ExtMap(GSINames, splitLine);
if (isFirst) {
GSIBlock.put("BlockNr", GSILine.get("BlockNr"));
oldBlockNr = (String) GSILine.get("BlockNr");
isFirst = false;
}
}
if (oldBlockNr == null) {
oldBlockNr = (String) GSILine.get("BlockNr");
}
if (!oldBlockNr.equals((String) GSILine.get("BlockNr"))) {
GSILineBuffer = GSILine;
oldBlockNr = (String) GSILine.get("BlockNr");
useBuffer = true;
break;
}
String lang;
try {
// Is there the source language in this line?
if ((lang = languageResolver.getISOfromNr((String) GSILine
.get("languageNr"))).equals(this.sourceLanguage)) {
// ok..store it as Source String under the depending
// ressource type
((Map) GSIBlock.get(sourceLanguage)).put("Source"
+ ResTypeResolver.getInternKey((String) GSILine
.get("resType")), GSILine.get("content"));
// ..maybe the target language?
} else {
if (targetLanguage.equals(EMPTY)) {
// if no target language is given at command line
targetLanguage = lang;
GSIBlock.put(targetLanguage, EmptyLanguageMap.clone());
}
if (lang.equals(this.targetLanguage)) {
// ok..store it as target String under the depending
// ressource type
((Map) GSIBlock.get(targetLanguage)).put("Target"
+ ResTypeResolver.getInternKey((String) GSILine
.get("resType")), GSILine
.get("content"));
}
}
} catch (LanguageResolvingException e) {
OutputHandler.out("Can not resolve the language "+e.getMessage());
}
}
if (line == null) {
if (lastLineFound){
OutputHandler.out("\n\n");
OutputHandler.out("GSI Blocks : " + this.blockCounter);
OutputHandler.out("GSI Lines : " + this.lineCounter);
return null;
}else{
lastLineFound = true;
this.blockCounter++;
return GSIBlock;
}
} else {
this.blockCounter++;
return GSIBlock;
}
}
/**
* Split a GSILine to single fields
*
* @param line
* The line to split
* @return An array containing the contents of the columns in the given line
*/
private String[] split(String line) {
String[] splitLine = (line.substring(0, line.length() - 1))
.split("\\(\\$\\$\\)");
if (splitLine.length != 5)
return null;
else
return splitLine;
}
}
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