【04-20】httpclient处理302重定向问题

最新推荐文章于 2021-10-11 21:04:24 发布

weixin_33682719

最新推荐文章于 2021-10-11 21:04:24 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/achievec/p/6741614.html

本文探讨了如何自定义HTTP客户端的重定向策略，并深入解析了Spring框架中利用AOP进行服务层权限验证的方法。通过示例代码展示了如何实现更灵活的重定向逻辑及围绕业务方法进行前置与后置的权限校验。

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DefaultRedirectStrategy



client.setRedirectHandler(new DefaultRedirectHandler() {                  
                    @Override  
                    public boolean isRedirectRequested(HttpResponse response, HttpContext context) {  
                        boolean isRedirect = super.isRedirectRequested(response, context);  
                        if (!isRedirect) {  
                            int responseCode = response.getStatusLine().getStatusCode();  
                            if (responseCode == 301 || responseCode == 302) {  
                                return true;  
                            }  
                        }  
                        return isRedirect;  
                    }  
                });  




    /**
     * @since 4.2
     */
    protected boolean isRedirectable(final String method) {
        for (final String m: REDIRECT_METHODS) {
            if (m.equalsIgnoreCase(method)) {
                return true;
            }
        }
        return false;
    }



   /**
     * Redirectable methods.
     */
    private static final String[] REDIRECT_METHODS = new String[] {
        HttpGet.METHOD_NAME,
        HttpHead.METHOD_NAME
    };

http://blog.youkuaiyun.com/chszs/article/details/16996489

/** 
     * spring中Around通知   
     * @param joinPoint 
     * @return 
     * @throws Throwable  
     */  
    @Around("com.leanyu.lcsystem.pointcut.PointcutsDefinition.inServiceLayer()")     
    public Object checkPermissionAround( ProceedingJoinPoint joinPoint )    
    {  
        try  
        {   
             Object[] args           = joinPoint.getArgs();  
             AbstractRequest request =  (AbstractRequest)args[0];  
             int userId          = request.getUserId();  
             String password     = request.getPassword();  
             Signature signature = joinPoint.getSignature();  
             String service      = signature.getDeclaringTypeName();  
             String method       = signature.getName();  
                           
             if ( checkPermission.hasServicePermission(userId, service , method , password) )  
             {  
                 Object result = joinPoint.proceed( args );    
                 return result;  
             }  
               
         }catch(Throwable e)  
         {  
             logger.error(e.toString(), e);  
         }  
         return null;  
    }

转载于:https://www.cnblogs.com/achievec/p/6741614.html