ex6_29.txt

来自「j2ee core design patterns」· 文本 代码 · 共 14 行

Example 6.29 	Tag Handler Using JSTL Config
public class AnnouncementsTag extends TagSupport implements Tag {
  public int doStartTag() throws JspException {

    String announcements = (String)Config.find(pageContext, 
        Constants.DISPLAY_ANNOUNCEMENT);
    if ( "true".equalsIgnoreCase(announcements)) {
      .  .  .
 
      return EVAL_BODY_INCLUDE;
    }
    return SKIP_BODY;
  }
}