| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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; |
| |
| import com.opensymphony.xwork2.ActionContext; |
| import com.opensymphony.xwork2.util.ValueStack; |
| import org.apache.struts2.dispatcher.mapper.ActionMapping; |
| |
| import javax.servlet.ServletContext; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import javax.servlet.jsp.PageContext; |
| import java.util.Map; |
| |
| /** |
| * Web-specific context information for actions. This class subclasses <tt>ActionContext</tt> which |
| * provides access to things like the action name, value stack, etc. This class adds access to |
| * web objects like servlet parameters, request attributes and things like the HTTP session. |
| */ |
| public class ServletActionContext extends ActionContext implements StrutsStatics { |
| |
| private static final long serialVersionUID = -666854718275106687L; |
| |
| public static final String STRUTS_VALUESTACK_KEY = "struts.valueStack"; |
| public static final String ACTION_MAPPING = "struts.actionMapping"; |
| |
| @SuppressWarnings("unused") |
| private ServletActionContext(Map context) { |
| super(context); |
| } |
| |
| /** |
| * Gets the current action context |
| * |
| * @param req The request |
| * @return The current action context |
| */ |
| public static ActionContext getActionContext(HttpServletRequest req) { |
| ValueStack vs = getValueStack(req); |
| if (vs != null) { |
| return new ActionContext(vs.getContext()); |
| } else { |
| return null; |
| } |
| } |
| |
| /** |
| * Gets the current value stack for this request |
| * |
| * @param req The request |
| * @return The value stack |
| */ |
| public static ValueStack getValueStack(HttpServletRequest req) { |
| return (ValueStack) req.getAttribute(STRUTS_VALUESTACK_KEY); |
| } |
| |
| /** |
| * Gets the action mapping for this context |
| * |
| * @return The action mapping |
| */ |
| public static ActionMapping getActionMapping() { |
| return (ActionMapping) ActionContext.getContext().get(ACTION_MAPPING); |
| } |
| |
| /** |
| * Returns the HTTP page context. |
| * |
| * @return the HTTP page context. |
| */ |
| public static PageContext getPageContext() { |
| return (PageContext) ActionContext.getContext().get(PAGE_CONTEXT); |
| } |
| |
| /** |
| * Sets the HTTP servlet request object. |
| * |
| * @param request the HTTP servlet request object. |
| */ |
| public static void setRequest(HttpServletRequest request) { |
| ActionContext.getContext().put(HTTP_REQUEST, request); |
| } |
| |
| /** |
| * Gets the HTTP servlet request object. |
| * |
| * @return the HTTP servlet request object. |
| */ |
| public static HttpServletRequest getRequest() { |
| return (HttpServletRequest) ActionContext.getContext().get(HTTP_REQUEST); |
| } |
| |
| /** |
| * Sets the HTTP servlet response object. |
| * |
| * @param response the HTTP servlet response object. |
| */ |
| public static void setResponse(HttpServletResponse response) { |
| ActionContext.getContext().put(HTTP_RESPONSE, response); |
| } |
| |
| /** |
| * Gets the HTTP servlet response object. |
| * |
| * @return the HTTP servlet response object. |
| */ |
| public static HttpServletResponse getResponse() { |
| return (HttpServletResponse) ActionContext.getContext().get(HTTP_RESPONSE); |
| } |
| |
| /** |
| * Gets the servlet context. |
| * |
| * @return the servlet context. |
| */ |
| public static ServletContext getServletContext() { |
| return (ServletContext) ActionContext.getContext().get(SERVLET_CONTEXT); |
| } |
| |
| /** |
| * Sets the current servlet context object |
| * |
| * @param servletContext The servlet context to use |
| */ |
| public static void setServletContext(ServletContext servletContext) { |
| ActionContext.getContext().put(SERVLET_CONTEXT, servletContext); |
| } |
| } |