LayoutEventListener


1   package fr.improve.struts.taglib.layout.event;
2   
3   import javax.servlet.jsp.JspException  ;
4   
5   /**
6    * Interface implemented by struts-layout tags that want to collaborate.
7    * @author jnribette
8    */
9   public interface LayoutEventListener {
10      /**
11       * Process a StartLayoutEvent.
12       * If the listener generates <tr> tag it must also write the event value to the out flow and return Boolean.TRUE
13       * However it must return Boolean.FALSE
14       */
15      public Object   processStartLayoutEvent(StartLayoutEvent in_event) throws JspException  ;
16      /**
17       * Process a EndLayoutEvent.
18       * If the listener generates </tr> tag it must also write the event value to the out flow and return Boolean.TRUE
19       * However it must return Boolean.FALSE
20       */
21      public Object   processEndLayoutEvent(EndLayoutEvent in_event) throws JspException  ;
22  }
23

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