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1
7 package org.jboss.jms.p2p.naming;
8
9 import java.util.Hashtable  ;
10 import java.util.Map ;
11 import java.util.HashMap ;
12 import java.util.Iterator ;
13
14 import javax.naming.spi.InitialContextFactory ;
15 import javax.naming.Context ;
16 import javax.naming.NamingException ;
17
18
24 public class InitialContextFactoryImpl implements InitialContextFactory
25 {
26 private static final Map INITIAL_CONTEXT_MAP = new HashMap ();
27
28 public synchronized Context getInitialContext(Hashtable environment) throws NamingException
29 {
30 try
31 {
32 Integer key = new Integer (environment.hashCode());
33 if (!INITIAL_CONTEXT_MAP.containsKey(key))
34 {
35 Context context = new ContextImpl(environment);
36 INITIAL_CONTEXT_MAP.put(key, context);
37 return context;
38 }
39 else
40 {
41 return (Context ) INITIAL_CONTEXT_MAP.get(key);
42 }
43 }
44 catch (Exception exception)
45 {
46 throw new NamingException (exception.getMessage());
47 }
48 }
49
50 static synchronized void unregisterInitialContext(Context context)
51 {
52 if (INITIAL_CONTEXT_MAP.containsValue(context))
53 {
54 Iterator iterator = INITIAL_CONTEXT_MAP.keySet().iterator();
55 while (iterator.hasNext())
56 {
57 Object key = iterator.next();
58 if (INITIAL_CONTEXT_MAP.get(key) == context)
59 {
60 INITIAL_CONTEXT_MAP.remove(key);
61 }
62 }
63 }
64 }
65 }
66 |
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