Restful API

1. Flowchart

   

    

    

2. 소스코드

   RestAPI Flowchart 코드

   // initailize
   rankdir=TB
   fontname="맑은 고딕"
   graph [concentrate=true, splines=ortho, nodesep=0.5]
   node  [peripheries=0, style=filled, fillcolor=lightyellow, fontcolor=black,fontname="맑은 고딕",fixedsize=true, width=1, height=0.4]
   edge  [fontname="맑은 고딕",fontsize=8,fontcolor=black, labeldistance=1.8]
   start [shape=record, style="filled,rounded", label="HTTP Request", width=1.7]
   check [shape=rect, style="filled", label="Check HTTP Method\n(GET|POST|PUT|DELETE)", fillcolor="#8ECCFC", width=1.7,height=0.7]
   end	  [shape=record, style="filled,rounded", label="HTTP Response", width=1.7]
   
   {
     rank=same;
     match      [shape=rect, style="filled", label="Find Matching API URL", fillcolor="#8ECCFC", width=1.7, height=0.7]
     is_url     [shape=diamond, style="filled",label="URL\nFound?", fillcolor="#8ECCFC", width=1.2, height=1.2]
     is_protect [shape=diamond, style="filled",label="Protected\nAPI?", fillcolor="#8ECCFC", width=1.2, height=1.2]
   }
   
   subgraph cluster_a
   {
     color=white;
     {
       rank=same;
       auth    [shape=diamond, style="filled",label="Authenticated?", fillcolor="#8ECCFC", width=1.2, height=1.2]
       error   [shape=rect, style="filled", label="ERROR", fillcolor="#FF682A"]
     }
   }
   
   subgraph cluster_b
   {
     color=white;
     {
       rank=same;
       result  [shape=rect, style="filled", label="RESULT", fillcolor="#84FA3F"]
       method  [shape=rect, style="filled", label="API Method", fillcolor=yellow]
     }
   }
   
   // Draw flow
   start -> check
   check -> match
   match -> is_url
   is_url -> is_protect  [headlabel="YES", color=green]
   is_url -> error       [headlabel="NO", color=red, fontcolor=red]
   is_protect -> auth    [headlabel="YES", color=green]
   is_protect -> method  [headlabel="NO", color=red, fontcolor=red]
   auth -> error         [headlabel="NO", color=red, fontcolor=red]
   auth -> method        [headlabel="YES", color=green]
   method -> result
   {error, result} -> end