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package us.codecraft.webmagic.selector;

/**
 * Object contains regex results.

 * For multi group result extension.

 *
 * @author [email protected] 

 * @since 0.1.0
 */
class RegexResult {

    private String[] groups;

    public static final RegexResult EMPTY_RESULT = new RegexResult();

    public RegexResult() {

    }

    public RegexResult(String[] groups) {
        this.groups = groups;
    }

    public String get(int groupId) {
        if (groups == null) {
            return null;
        }
        return groups[groupId];
    }

}