portletrequestdispatcher.java

来自「GridSphere 门户 提供一个基于 portlet 的高级开放源代码门户。」· Java 代码 · 共 53 行

/**
 * Copyright 2003 IBM Corporation and Sun Microsystems, Inc.
 * All rights reserved.
 * Use is subject to license terms.
 */

package javax.portlet;


/**
 * The <code>PortletRequestDispatcher</code> interface
 * defines an object that receives requests from the client
 * and sends them to the specified resources (such as a servlet,
 * HTML file, or JSP file) on the server. The portlet
 * container creates the <code>PortletRequestDispatcher</code> object,
 * which is used as a wrapper around a server resource located
 * at a particular path or given by a particular name.
 */

public interface PortletRequestDispatcher {

    /**
     * Includes the content of a resource (servlet, JSP page,
     * HTML file) in the response. In essence, this method enables
     * programmatic server-side includes.
     * <p/>
     * The included servlet cannot set or change the response status code
     * or set headers; any attempt to make a change is ignored.
     *
     * @param request  a {@link RenderRequest} object
     *                 that contains the client request
     * @param response a {@link RenderResponse} object
     *                 that contains the render response
     * @throws PortletException    if the included resource throws a ServletException,
     *                             or other exceptions that are not Runtime-
     *                             or IOExceptions.
     * @throws java.io.IOException if the included resource throws this exception
     */

    public void include(RenderRequest request, RenderResponse response)
            throws PortletException, java.io.IOException;


}