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标题: Struts2中获取http请求对象的各种方法 [打印本页]

作者: 涛声依旧 时间: 2012-3-14 17:33:22 标题: Struts2中获取http请求对象的各种方法

import java.util.Map;

import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.ApplicationAware;
import org.apache.struts2.interceptor.RequestAware;
import org.apache.struts2.interceptor.ServletRequestAware;
import org.apache.struts2.interceptor.ServletResponseAware;
import org.apache.struts2.interceptor.SessionAware;
import org.apache.struts2.util.ServletContextAware;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings( { "serial", "unused", "unchecked" })
public class Test extends ActionSupport implements ServletRequestAware, ServletResponseAware, RequestAware, SessionAware, ServletContextAware, ApplicationAware {

private HttpServletRequest request;

private HttpServletResponse response;

private HttpSession session;

private Map<String, Object> requestMap, sessionMap, contextMap;

private ServletContext context;

@Override
public String execute() throws Exception {
      this.request = ServletActionContext.getRequest();
      this.request = (HttpServletRequest) ActionContext.getContext().get(ServletActionContext.HTTP_REQUEST);

      this.session = this.request.getSession();
      this.sessionMap = ActionContext.getContext().getSession();
      this.sessionMap = ServletActionContext.getContext().getSession();// 调用父类ActionContext的方法
      this.sessionMap = (Map<String, Object>) ActionContext.getContext().get(ServletActionContext.SESSION);

      this.response = ServletActionContext.getResponse();
      this.response = (HttpServletResponse) ActionContext.getContext().get(ServletActionContext.HTTP_RESPONSE);

      this.context = this.session.getServletContext();
      this.context = ServletActionContext.getServletContext();
      this.context = (ServletContext) ActionContext.getContext().get(ServletActionContext.SERVLET_CONTEXT);
      this.contextMap = ActionContext.getContext().getApplication();
      this.contextMap = ActionContext.getContext().getContextMap();
      this.contextMap = (Map<String, Object>) ActionContext.getContext().get(ActionContext.APPLICATION);
      this.contextMap = (Map<String, Object>) ActionContext.getContext().get(ServletActionContext.APPLICATION);

      return SUCCESS;
}

@Override
public void setServletRequest(HttpServletRequest request) {
      this.request = request;
}

@Override
public void setServletResponse(HttpServletResponse response) {
      this.response = response;
}

@Override
public void setRequest(Map<String, Object> requestMap) {
      this.requestMap = requestMap;
}

@Override
public void setSession(Map<String, Object> sessionMap) {
      this.sessionMap = sessionMap;
}

@Override
public void setServletContext(ServletContext context) {
      this.context = context;
}

@Override
public void setApplication(Map<String, Object> contextMap) {
      this.contextMap = contextMap;
}
}

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