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1 package com.quadcap.app.dbimage;
2
3
40
41 import java.util.HashMap  ;
42
43 import javax.servlet.ServletConfig ;
44 import javax.servlet.ServletException ;
45
46 import javax.servlet.http.HttpServlet ;
47 import javax.servlet.http.HttpServletRequest ;
48 import javax.servlet.http.HttpServletResponse ;
49
50
56 public class DbImageController extends HttpServlet {
57 HashMap actions = new HashMap ();
58
59 static HashMap actionClasses = new HashMap ();
60 static {
61 actionClasses.put("/load", "com.quadcap.app.dbimage.ActionLoad");
62 }
63
64 public void init(ServletConfig config) throws ServletException {
65 super.init(config);
66
67 }
68
69 public void doPost(HttpServletRequest request,
70 HttpServletResponse response)
71 throws ServletException
72 {
73 doGet(request, response);
74 }
75
76 public void doGet(HttpServletRequest request,
77 HttpServletResponse response)
78 throws ServletException
79 {
80 try {
81 Action action = getAction(request);
82 if (action == null) {
83 response.sendError(HttpServletResponse.SC_NOT_FOUND,
84 "Not Found");
85 } else {
86 try {
87 action.service(request, response);
88 } catch (ServletException e) {
89 throw e;
90 }
91 }
92 } catch (Throwable t) {
93 throw new ServletException (t);
94 }
95 }
96
97 Action getAction(HttpServletRequest request) throws Exception {
98 String s = request.getPathInfo();
99 Action action = (Action)actions.get(s);
100 if (action == null) {
101 String actionClass = (String )actionClasses.get(s);
102 if (actionClass != null) {
103 Class c = Class.forName(actionClass);
104 action = (Action)c.newInstance();
105 action.init(getServletConfig());
106 actions.put(s, action);
107 }
108 }
109 return action;
110 }
111 }
112 |
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