textextractorfactory.java

一个用于搜索本地文件内容的小型搜索引擎

package invertedList;


public class TextExtractorFactory extends ExtractorFactory {

	@Override
	public Extractor createExtractor(String type) {
		if(type.endsWith(".txt")){
			return new TxtExtractor();
		}
		else if(type.endsWith(".doc")){
			return new DocExtractor();
		}
		return null;//other types are not supported in the current edition
	}
}