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1
45 package org.openejb.client;
46
47 import org.openejb.loader.OpenEJBInstance;
48 import org.openejb.loader.SystemInstance;
49
50 import javax.naming.Context  ;
51 import javax.naming.NamingException ;
52 import javax.naming.spi.InitialContextFactory ;
53 import java.util.Hashtable ;
54 import java.util.Properties ;
55
56
62 public class LocalInitialContextFactory implements javax.naming.spi.InitialContextFactory {
63
64 static Context intraVmContext;
65 private static OpenEJBInstance openejb;
66
67 public Context getInitialContext(Hashtable env) throws javax.naming.NamingException {
68 if (intraVmContext == null) {
69 try {
70 Properties properties = new Properties ();
71 properties.putAll(env);
72 init(properties);
73 } catch (Exception e) {
74 throw (NamingException ) new NamingException ("Attempted to load OpenEJB. " + e.getMessage()).initCause(e);
75 }
76 intraVmContext = getIntraVmContext(env);
77 }
78 return intraVmContext;
79 }
80
81 public void init(Properties properties) throws Exception {
82 if (openejb != null) return;
83 SystemInstance.init(properties);
84 openejb = new OpenEJBInstance();
85 if (openejb.isInitialized()) return;
86 openejb.init(properties);
87 }
88
89 private Context getIntraVmContext(Hashtable env) throws javax.naming.NamingException {
90 Context context = null;
91 try {
92 InitialContextFactory factory = null;
93 ClassLoader cl = SystemInstance.get().getClassLoader();
94 Class ivmFactoryClass = Class.forName("org.openejb.core.ivm.naming.InitContextFactory", true, cl);
95
96 factory = (InitialContextFactory ) ivmFactoryClass.newInstance();
97 context = factory.getInitialContext(env);
98 } catch (Exception e) {
99 throw new javax.naming.NamingException ("Cannot instantiate an IntraVM InitialContext. Exception: "
100 + e.getClass().getName() + " " + e.getMessage());
101 }
102
103 return context;
104 }
105 }
106
107 |
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