zkoss/zk

/* Action.java

    Purpose:
        
    Description:
        
    History:
        Mon Sep  5 20:29:31     2005, Created by tomyeh

Copyright (C) 2005 Potix Corporation. All Rights Reserved.

{{IS_RIGHT
    This program is distributed under LGPL Version 2.1 in the hope that
    it will be useful, but WITHOUT ANY WARRANTY.
}}IS_RIGHT
*/
package org.zkoss.web.servlet.dsp.action;

import java.io.IOException;

import org.zkoss.web.servlet.dsp.DspException;

/**
 * An action that could be used with
 * {@link org.zkoss.web.servlet.dsp.InterpreterServlet}.
 * It is like a tag in JSP.
 *
 * @author tomyeh
 */
public interface Action {
    /** Processes the action and renders the output to
     * {@link ActionContext#getOut}.
     *
     * @param nested whether there is any nested content.
     */
    public void render(ActionContext ac, boolean nested) throws DspException, IOException;
}