1 package us.codecraft.webmagic.selector;
2
3 import java.util.List;
4
5 /**
6 * Selector(extractor) for text.<br>
7 *
8 * @author code4crafter@gmail.com <br>
9 * @since 0.1.0
10 */
11 public interface Selector {
12
13 /**
14 * Extract single result in text.<br>
15 * If there are more than one result, only the first will be chosen.
16 *
17 * @param text text
18 * @return result
19 */
20 public String select(String text);
21
22 /**
23 * Extract all results in text.<br>
24 *
25 * @param text text
26 * @return results
27 */
28 public List<String> selectList(String text);
29
30 }