trunk/core/src/main/java/org/apache/struts2/StrutsStatics.java

/*
 * $Id$
 *
 * Copyright 2006 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.struts2;


/**
 * Constants used by Struts. The constants can be used to get or set objects 
 * out of the action context or other collections.
 * 
 * <p/>
 * 
 * Example:
 * <ul><code>ActionContext.getContext().put(HTTP_REQUEST, request);</code></ul>
 * <p/>
 * or
 * <p/>
 * <ul><code>
 * ActionContext context = ActionContext.getContext();<br>
 * HttpServletRequest request = (HttpServletRequest)context.get(HTTP_REQUEST);</code></ul>
 */
public interface StrutsStatics {

    /**
     * Constant for the HTTP request object.
     */
    public static final String HTTP_REQUEST = "com.opensymphony.xwork2.dispatcher.HttpServletRequest";

    /**
     * Constant for the HTTP response object.
     */
    public static final String HTTP_RESPONSE = "com.opensymphony.xwork2.dispatcher.HttpServletResponse";

    /**
     * Constant for an HTTP {@link javax.servlet.RequestDispatcher request dispatcher}.
     */
    public static final String SERVLET_DISPATCHER = "com.opensymphony.xwork2.dispatcher.ServletDispatcher";

    /**
     * Constant for the {@link javax.servlet.ServletContext servlet context} object.
     */
    public static final String SERVLET_CONTEXT = "com.opensymphony.xwork2.dispatcher.ServletContext";

    /**
     * Constant for the JSP {@link javax.servlet.jsp.PageContext page context}.
     */
    public static final String PAGE_CONTEXT = "com.opensymphony.xwork2.dispatcher.PageContext";
    
    /** Constant for the PortletContext object */
    public static final String STRUTS_PORTLET_CONTEXT = "struts.portlet.context";
}