package org.apache.lucene.search.spell;
/**
* Copyright 2002-2005 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.util.Iterator;
import java.io.InputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.*;
/**
* Dictionary represented by a file text.
*
* <p>Format allowed: 1 word per line:<br>
* word1<br>
* word2<br>
* word3<br>
*
* @author Nicolas Maisonneuve
*/
public class PlainTextDictionary implements Dictionary {
private BufferedReader in;
private String line;
private boolean has_next_called;
public PlainTextDictionary(File file) throws FileNotFoundException {
in = new BufferedReader(new FileReader(file));
}
public PlainTextDictionary(InputStream dictFile) {
in = new BufferedReader(new InputStreamReader(dictFile));
}
public Iterator getWordsIterator() {
return new fileIterator();
}
final class fileIterator implements Iterator {
public Object next() {
if (!has_next_called) {
hasNext();
}
has_next_called = false;
return line;
}
public boolean hasNext() {
has_next_called = true;
try {
line = in.readLine();
} catch (IOException ex) {
ex.printStackTrace();
line = null;
return false;
}
return (line != null) ? true : false;
}
public void remove() {
};
}
}
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