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Java HttpServletRequest.removeAttribute方法代碼示例

本文整理匯總了Java中javax.servlet.http.HttpServletRequest.removeAttribute方法的典型用法代碼示例。如果您正苦於以下問題：Java HttpServletRequest.removeAttribute方法的具體用法？Java HttpServletRequest.removeAttribute怎麽用？Java HttpServletRequest.removeAttribute使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類javax.servlet.http.HttpServletRequest的用法示例。


在下文中一共展示了HttpServletRequest.removeAttribute方法的14個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: runCallbacks

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@SuppressWarnings("unchecked")
private void runCallbacks(HttpServletRequest httpRequest, HttpServletResponse httpResponse)
{
	List<WebFilterCallback> callbacks = (List<WebFilterCallback>) httpRequest.getAttribute(CALLBACKS_KEY);
	httpRequest.removeAttribute(CALLBACKS_KEY);
	if( callbacks != null )
	{
		// Run them in reverse, don't let one callback stop the rest from happening
		for( int i = callbacks.size() - 1; i >= 0; i-- )
		{
			try
			{
				callbacks.get(i).afterServlet(httpRequest, httpResponse);
			}
			catch( Exception e )
			{
				LOGGER.error("Error running callback", e);
			}
		}
	}
}
開發者ID:equella，項目名稱:Equella，代碼行數:22，代碼來源:RequestDispatchFilter.java

示例2: exposeModelAsRequestAttributes

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * Expose the model objects in the given map as request attributes.
 * Names will be taken from the model Map.
 * This method is suitable for all resources reachable by {@link javax.servlet.RequestDispatcher}.
 * @param model Map of model objects to expose
 * @param request current HTTP request
 */
protected void exposeModelAsRequestAttributes(Map<String, Object> model, HttpServletRequest request) throws Exception {
    for (Map.Entry<String, Object> entry : model.entrySet()) {
        String modelName = entry.getKey();
        Object modelValue = entry.getValue();
        if (modelValue != null) {
            request.setAttribute(modelName, modelValue);
            if (logger.isDebugEnabled()) {
                logger.debug("Added model object '" + modelName + "' of type [" + modelValue.getClass().getName() +
                        "] to request in view");
            }
        }
        else {
            request.removeAttribute(modelName);
            if (logger.isDebugEnabled()) {
                logger.debug("Removed model object '" + modelName +
                        "' from request in view");
            }
        }
    }
}
開發者ID:devefx，項目名稱:validator-web，代碼行數:28，代碼來源:AbstractView.java

示例3: processRequest

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
	response.setContentType("text/html;charset=UTF-8");
	PrintWriter out = response.getWriter();
	out.println("<!DOCTYPE html>");
	out.println("<html>");
	out.println("<head>");
	out.println("<title>Servlet Event Listeners</title>");
	out.println("</head>");
	out.println("<body>");
	out.println("<h1>Servlet Event Listeners</h1>");
	out.println("<h2>Setting, updating, and removing ServletContext Attributes</h2>");
	request.getServletContext().setAttribute("attribute1", "attribute-value1");
	request.getServletContext().setAttribute("attribute1", "attribute-updated-value1");
	request.getServletContext().removeAttribute("attribute1");
	out.println("done");
	out.println("<h2>Setting, updating, and removing HttpSession Attributes</h2>");
	request.getSession(true).setAttribute("attribute1", "attribute-value1");
	request.getSession().setAttribute("attribute1", "attribute-updated-value1");
	request.getSession().removeAttribute("attribute1");
	out.println("done");
	out.println("<h2>Setting, updating, and removing ServletRequest Attributes</h2>");
	request.setAttribute("attribute1", "attribute-value1");
	request.setAttribute("attribute1", "attribute-updated-value1");
	request.removeAttribute("attribute1");
	out.println("done");
	out.println("<h2>Invalidating session</h2>");
	request.getSession().invalidate();
	out.println("done");
	out.println("<br><br>Check output in server log");
	out.println("</body>");
	out.println("</html>");
}
開發者ID:PacktPublishing，項目名稱:Mastering-Java-EE-Development-with-WildFly，代碼行數:34，代碼來源:EventListenerServlet.java

示例4: postHandle

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
    //super.postHandle(request, response, handler, modelAndView);
    long startTime = (long) request.getAttribute("startTime");
    request.removeAttribute("startTime");
    long endTime = System.currentTimeMillis();
    System.out.println("本次請求的時間為："+new Long(endTime - startTime)+"ms");
    request.setAttribute("handlingTime",endTime - startTime);
}
開發者ID:shuaishuaila，項目名稱:java_springboot，代碼行數:10，代碼來源:DemoInterceptor.java

示例5: postHandle

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
public void postHandle(HttpServletRequest request, //③
		HttpServletResponse response, Object handler,
		ModelAndView modelAndView) throws Exception {
	long startTime = (Long) request.getAttribute("startTime");
	request.removeAttribute("startTime");
	long endTime = System.currentTimeMillis();
	System.out.println("本次請求處理時間為:" + new Long(endTime - startTime)+"ms");
	request.setAttribute("handlingTime", endTime - startTime);
}
開發者ID:longjiazuo，項目名稱:springMvc4.x-project，代碼行數:11，代碼來源:DemoInterceptor.java

示例6: selectModule

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * Select the module to which the specified request belongs, and
 * add corresponding request attributes to this request.
 *
 * @param prefix The module prefix of the desired module
 * @param request The servlet request we are processing
 * @param context The ServletContext for this web application
 */
public void selectModule(
    String prefix,
    HttpServletRequest request,
    ServletContext context) {

    // Expose the resources for this module
    ModuleConfig config = getModuleConfig(prefix, context);

    if (config != null) {
        request.setAttribute(Globals.MODULE_KEY, config);
    } else {
        request.removeAttribute(Globals.MODULE_KEY);
    }

    MessageResourcesConfig[] mrConfig = config.findMessageResourcesConfigs();
    for(int i = 0; i < mrConfig.length; i++) {
      String key = mrConfig[i].getKey();
      MessageResources resources =
        (MessageResources) context.getAttribute(key + prefix);
      if (resources != null) {
          request.setAttribute(key, resources);
      } else {
          request.removeAttribute(key);
      }
    }
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:35，代碼來源:ModuleUtils.java

示例7: addMessages

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * Adds the specified messages keys into the appropriate request
 * attribute for use by the &lt;html:messages&gt; tag (if
 * messages="true" is set), if any messages are required.
 * Initialize the attribute if it has not already been.
 * Otherwise, ensure that the request attribute is not set.
 *
 * @param request   The servlet request we are processing
 * @param messages  Messages object
 * @since Struts 1.2.1
 */
protected void addMessages(
	HttpServletRequest request,
	ActionMessages messages) {

	if (messages == null){
		//	bad programmer! *slap*
		return;
	}

	// get any existing messages from the request, or make a new one
	ActionMessages requestMessages = (ActionMessages) request.getAttribute(Globals.MESSAGE_KEY);
	if (requestMessages == null){
		requestMessages = new ActionMessages();
	}
	// add incoming messages
	requestMessages.add(messages);

	// if still empty, just wipe it out from the request
	if (requestMessages.isEmpty()) {
		request.removeAttribute(Globals.MESSAGE_KEY);
		return;
	}

	// Save the messages
	request.setAttribute(Globals.MESSAGE_KEY, requestMessages);
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:38，代碼來源:Action.java

示例8: addErrors

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * Adds the specified errors keys into the appropriate request attribute
    * for use by the &lt;html:errors&gt; tag, if any messages are required.
 * Initialize the attribute if it has not already been. Otherwise, ensure
    * that the request attribute is not set.
 *
 * @param request   The servlet request we are processing
 * @param errors  Errors object
 * @since Struts 1.2.1
 */
protected void addErrors(
	HttpServletRequest request,
	ActionMessages errors) {

	if (errors == null){
		//	bad programmer! *slap*
		return;
	}

	// get any existing errors from the request, or make a new one
	ActionMessages requestErrors = (ActionMessages)request.getAttribute(Globals.ERROR_KEY);
	if (requestErrors == null){
		requestErrors = new ActionMessages();
	}
	// add incoming errors
	requestErrors.add(errors);

	// if still empty, just wipe it out from the request
	if (requestErrors.isEmpty()) {
		request.removeAttribute(Globals.ERROR_KEY);
		return;
	}

	// Save the errors
	request.setAttribute(Globals.ERROR_KEY, requestErrors);
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:37，代碼來源:Action.java

示例9: saveErrors

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * <p>Save the specified error messages keys into the appropriate request
 * attribute for use by the &lt;html:errors&gt; tag, if any messages
 * are required. Otherwise, ensure that the request attribute is not
 * created.</p>
 *
 * @param request The servlet request we are processing
 * @param errors Error messages object
 * @since Struts 1.2
 */
protected void saveErrors(HttpServletRequest request, ActionMessages errors) {

    // Remove any error messages attribute if none are required
    if ((errors == null) || errors.isEmpty()) {
        request.removeAttribute(Globals.ERROR_KEY);
        return;
    }

    // Save the error messages we need
    request.setAttribute(Globals.ERROR_KEY, errors);

}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:23，代碼來源:Action.java

示例10: saveMessages

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * <p>Save the specified messages keys into the appropriate request
 * attribute for use by the &lt;html:messages&gt; tag (if
 * messages="true" is set), if any messages are required. Otherwise,
 * ensure that the request attribute is not created.</p>
 *
 * @param request The servlet request we are processing.
 * @param messages The messages to save. <code>null</code> or empty
 * messages removes any existing ActionMessages in the request.
 *
 * @since Struts 1.1
 */
protected void saveMessages(
    HttpServletRequest request,
    ActionMessages messages) {

    // Remove any messages attribute if none are required
    if ((messages == null) || messages.isEmpty()) {
        request.removeAttribute(Globals.MESSAGE_KEY);
        return;
    }

    // Save the messages we need
    request.setAttribute(Globals.MESSAGE_KEY, messages);
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:26，代碼來源:Action.java

示例11: getErrorData

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
@Override
public ErrorData getErrorData(T ex, HttpServletRequest request) {
    if (request.getAttribute(CONTROLLER_ERROR_HANDLING_ATTRIBUTE) != null) {
        request.removeAttribute(CONTROLLER_ERROR_HANDLING_ATTRIBUTE);
        throw (RuntimeException) ex;
    }
    return buildErrorData(ex, getHeadersAsText(request))
            .withRequestMethod(request.getMethod())
            .withRequestUri(request.getRequestURI())
            .build();
}
開發者ID:mkopylec，項目名稱:errorest-spring-boot-starter，代碼行數:12，代碼來源:SecurityErrorDataProvider.java

示例12: around

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**配置環繞通知,使用在方法aspect()上注冊的切入點*/
@Around("aspect()")
public Object around(ProceedingJoinPoint pjd) {
	HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
       Object result = null;
       //執行目標方法
       try {
           //前置通知
           result = pjd.proceed();
           if(Statics.Record_System_Log){
           	if(result instanceof ReturnUtil){
           		List<JSONObject> operationLogs = ReflectHelperUtil.getInstance(result, "operation_logs");
           		if(operationLogs==null)operationLogs = new ArrayList<JSONObject>();
       			if(Statics.Record_Select_System_Log || (!Statics.Record_Select_System_Log && operationLogs.size()>0)){
           			if(request.getAttribute(Statics.SYSTEM_LOG_ID)!=null && !request.getAttribute(Statics.SYSTEM_LOG_ID).toString().equals("")){
           				//-----添加係統日誌begin-----
           				JSONObject log = JSONObject.parseObject(request.getAttribute(Statics.SYSTEM_LOG_ID).toString());
           				log.put("result", JSONObject.toJSONString(result));
           				long systemLogId = Long.parseLong(AuthorityAnnotationInterceptor.myBaseService.add(null,log, "systemMapper.addSystemLog", true).getExtend_info().toString());
           				//-----添加係統日誌end-----
           				JSONObject memberJson = StorageUtil.init(request.getSession()).getLoginMemberInfoJson();
           				if(memberJson!=null && operationLogs.size()>0){
           					for (int i = 0,length=operationLogs.size(); i < length; i++) {
								JSONObject operationLog = operationLogs.get(i);
								if(operationLog.getInteger("operation_type")!=3){
									//-----添加操作日誌begin-----
									operationLog.put("system_log_id", systemLogId);
									operationLog.put("memberId", memberJson.getLong("id"));
									AuthorityAnnotationInterceptor.myBaseService.add(null,operationLog, "systemMapper.addOperationLog",true);
									//-----添加操作日誌end-----
								}
							}
           				}
           			}
           		}
           	}
           }
           request.removeAttribute("Statics.SYSTEM_LOG_ID");
           //返回通知
       } catch (Throwable e) {
           //異常通知
       	if(result instanceof ReturnUtil){
       		result = ((ReturnUtil) result).addSeriousErrorMsg("發生異常："+e.toString());
       	}else{
       		throw new RuntimeException(e);
       	}
       	e.printStackTrace();
       }
       //後置通知
       if(Statics.out_implement_time){
       	long implement_time =System.currentTimeMillis() - Long.parseLong(request.getAttribute("start_implement_time").toString());
       	System.out.println(request.getAttribute("implement_method_name")+"方法處理時間："+implement_time+"毫秒。");
       }
       return result;
   }
開發者ID:zhiqiang94，項目名稱:BasicsProject，代碼行數:56，代碼來源:SystemLogAop.java

示例13: doFilter

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * If the request contains a SAML 2.0 response, forward to the originally
 * requested resource is done. In case of service login, the request is
 * forwarded to an auto-submit page, to do the login in UserBean. <br/>
 * If the response does not contain a SAML 2.0 response, the next filter is
 * called. See web.xml for excluded url pattern.
 *
 */
@Override
public void doFilter(ServletRequest request, ServletResponse response,
                     FilterChain chain) throws IOException, ServletException {

    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;

    if (!httpRequest.getServletPath().matches(excludeUrlPattern)) {

        if (containsSamlResponse(httpRequest)) {
            httpRequest.setAttribute(Constants.REQ_ATTR_IS_SAML_FORWARD,
                    Boolean.TRUE);
            String samlResponse = httpRequest.getParameter("SAMLResponse");

            if (samlResponseExtractor.isFromLogout(samlResponse)) {
                try {
                    if (!samlLogoutResponseValidator.responseStatusCodeSuccessful(samlResponse)) {
                        httpRequest.setAttribute(
                                Constants.REQ_ATTR_ERROR_KEY,
                                BaseBean.ERROR_INVALID_SAML_RESPONSE_STATUS_CODE);
                        redirector.forward(httpRequest, httpResponse,
                                BaseBean.ERROR_PAGE);
                        return;
                    }
                    HttpSession currentSession = httpRequest.getSession();
                    getSsl().deletePlatformSession(currentSession.getId());
                    currentSession.invalidate();
                    httpRequest.removeAttribute("SAMLResponse");
                    httpRequest.setAttribute(Constants.REQ_ATTR_IS_SAML_FORWARD,
                            Boolean.FALSE);
                } catch (SAML2StatusCodeInvalidException e) {
                    httpRequest.setAttribute(
                            Constants.REQ_ATTR_ERROR_KEY,
                            BaseBean.ERROR_INVALID_SAML_RESPONSE);
                    redirector.forward(httpRequest, httpResponse,
                            BaseBean.ERROR_PAGE);
                    LOGGER.logError(Log4jLogger.SYSTEM_LOG, e,
                            ERROR_SAML2_INVALID_STATUS_CODE);
                    return;
                }
                String relayState = httpRequest.getParameter("RelayState");
                if (relayState != null) {
                    String forwardUrl = getForwardUrl(httpRequest, relayState);
                    ((HttpServletResponse) response).sendRedirect(forwardUrl);
                    return;
                }
                if (httpRequest
                        .getAttribute(Constants.REQ_ATTR_ERROR_KEY) != null) {
                    redirector.forward(httpRequest, httpResponse,
                            BaseBean.ERROR_PAGE);
                    return;
                }

                httpRequest.setAttribute(Constants.REQ_ATTR_IS_SAML_FORWARD,
                        Boolean.FALSE);
            }
        }
    }

    chain.doFilter(request, response);
}
開發者ID:servicecatalog，項目名稱:oscm，代碼行數:70，代碼來源:IdPLogoutFilter.java

示例14: deleteReference

import javax.servlet.http.HttpServletRequest; //導入方法依賴的package包/類
/**
 * Deletes the nested reference from the request object.
 * @param request object to remove the reference from
 */
public static final void deleteReference(HttpServletRequest request) {
  // delete the reference
  request.removeAttribute(NESTED_INCLUDES_KEY);
}
開發者ID:lamsfoundation，項目名稱:lams，代碼行數:9，代碼來源:NestedPropertyHelper.java


注：本文中的javax.servlet.http.HttpServletRequest.removeAttribute方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。