github.com/gogf/gf/v2@v2.7.4/net/ghttp/ghttp_server_status.go (about)

     1  // Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the MIT License.
     4  // If a copy of the MIT was not distributed with this file,
     5  // You can obtain one at https://github.com/gogf/gf.
     6  
     7  package ghttp
     8  
     9  import (
    10  	"fmt"
    11  )
    12  
    13  // getStatusHandler retrieves and returns the handler for given status code.
    14  func (s *Server) getStatusHandler(status int, r *Request) []HandlerFunc {
    15  	domains := []string{r.GetHost(), DefaultDomainName}
    16  	for _, domain := range domains {
    17  		if f, ok := s.statusHandlerMap[s.statusHandlerKey(status, domain)]; ok {
    18  			return f
    19  		}
    20  	}
    21  	return nil
    22  }
    23  
    24  // addStatusHandler sets the handler for given status code.
    25  // The parameter `pattern` is like: domain#status
    26  func (s *Server) addStatusHandler(pattern string, handler HandlerFunc) {
    27  	if s.statusHandlerMap[pattern] == nil {
    28  		s.statusHandlerMap[pattern] = make([]HandlerFunc, 0)
    29  	}
    30  	s.statusHandlerMap[pattern] = append(s.statusHandlerMap[pattern], handler)
    31  }
    32  
    33  // statusHandlerKey creates and returns key for given status and domain.
    34  func (s *Server) statusHandlerKey(status int, domain string) string {
    35  	return fmt.Sprintf("%s#%d", domain, status)
    36  }
    37  
    38  // BindStatusHandler registers handler for given status code.
    39  func (s *Server) BindStatusHandler(status int, handler HandlerFunc) {
    40  	s.addStatusHandler(s.statusHandlerKey(status, DefaultDomainName), handler)
    41  }
    42  
    43  // BindStatusHandlerByMap registers handler for given status code using map.
    44  func (s *Server) BindStatusHandlerByMap(handlerMap map[int]HandlerFunc) {
    45  	for k, v := range handlerMap {
    46  		s.BindStatusHandler(k, v)
    47  	}
    48  }