extractorfactory.java

一个用于搜索本地文件内容的小型搜索引擎

package invertedList;


import java.lang.String;

/**
 * @author Administrator
 *	to create an extractor
 */
abstract public class ExtractorFactory {
	/**
	 * get the very extractor
	 * @param type
	 * @return extractor
	 */
	abstract public Extractor createExtractor(String type);
}