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/* LanguageTool, a natural language style checker
* Copyright (C) 2010 Marcin Miłkowski (http://www.languagetool.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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 for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
package de.danielnaber.languagetool.bitext;
import java.io.IOException;
import java.util.Iterator;
/**
* Reader of WordFast Translation Memory text files.
* They are simple tab-delimited text files.
*
* @author Marcin Miłkowski
*/
public class WordFastTMReader extends TabBitextReader {
public WordFastTMReader(final String filename, final String encoding) throws IOException {
super(filename, encoding);
//skip the header (first line)
if (nextLine != null) {
nextLine = in.readLine();
nextPair = tab2StringPair(nextLine);
}
}
public final StringPair tab2StringPair(final String line) {
if (line == null) {
return null;
}
final String[] fields = line.split("\t");
sentencePos = fields[4].length() + 1;
return new StringPair(fields[4], fields[6]);
}
@Override
public Iterator<StringPair> iterator() {
return new TabReader();
}
class TabReader implements Iterator<StringPair> {
public boolean hasNext() {
return nextLine != null;
}
public StringPair next() {
try {
final StringPair result = nextPair;
if (nextLine != null) {
nextLine = in.readLine();
nextPair = tab2StringPair(nextLine);
if (nextLine == null) {
in.close();
}
}
return result;
} catch(IOException e) {
throw new IllegalArgumentException(e);
}
}
// The file is read-only.
public void remove() {
throw new UnsupportedOperationException();
}
}
}
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