/**
* Copyright 2007 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.
*/
package com.sohospace.lucene.analysis.xanalyzer.collector;
import java.util.Iterator;
import java.util.LinkedList;
import org.apache.lucene.analysis.Token;
import com.sohospace.lucene.analysis.xanalyzer.TokenCollector;
/**
*
* @author Zhiliang Wang [qieqie.wang@gmail.com]
*
* @since 1.1
*/
public class WriterTokenCollector implements TokenCollector {
/**
* �洢��ǰ��knife�ֽ���ɵ�Token����
*
*/
private LinkedList<Token> tokens;
/**
* Collector�ӿ�ʵ�֡�<br>
* �������Token����������tokens��
*
*/
public void collect(String word, int begin, int end) {
if (tokens == null) {
this.tokens = new LinkedList<Token>();
}
this.tokens.add(new Token(word, begin, end));
}
public Iterator<Token> iterator() {
if (this.tokens == null) {
this.tokens = new LinkedList<Token>();
}
Iterator<Token> iter = this.tokens.iterator();
this.tokens = null;
return iter;
}
}