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1 package jfun.yan.web;
2
3 import javax.servlet.http.HttpServletRequest  ;
4 import javax.servlet.http.HttpSession ;
5
6 import jfun.yan.factory.Pool;
7 import jfun.yan.factory.SimplePool;
8
9
10
17 final class HttpPool {
18 private final ThreadLocal current_request = new InheritableThreadLocal ();
19
20 public void setRequest(HttpServletRequest req){
21 current_request.set(req);
22 }
23 private HttpServletRequest getRequest(){
24 final Object r = current_request.get();
25 if(r==null){
26 throw new IllegalStateException ("no current HttpRequest available.");
27 }
28 return (HttpServletRequest )r;
29 }
30 private HttpSession getSession(){
31 return getRequest().getSession();
32 }
33 public void setCurrentRequest(HttpServletRequest req){
34 current_request.set(req);
35 }
36 public Pool getRequestPool(String key){
37 return new RequestPool(key);
38 }
39 public Pool getSessionPool(String key){
40 return new SessionPool(key);
41 }
42 private final class RequestPool extends SimplePool{
43 private final String key;
44
45 RequestPool(String key) {
46 this.key = key;
47 }
48
49 public Object get() {
50 return getRequest().getAttribute(key);
51 }
52
53 public void set(Object v){
54 getRequest().setAttribute(key, v);
55 }
56 protected Object getMutex(){
57 return getRequest();
58 }
59 }
60 private final class SessionPool extends SimplePool{
61 private final String key;
62
63 SessionPool(String key) {
64 this.key = key;
65 }
66
67 public Object get() {
68 return getSession().getAttribute(key);
69 }
70
71 public void set(Object v){
72 getSession().setAttribute(key, v);
73 }
74
77 protected Object getMutex(){
78 return getSession();
79 }
80 }
81 }
82 |
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