44 |
|
|
45 |
public final class Naming { |
public final class Naming { |
46 |
|
|
47 |
|
/** <pre> |
48 |
|
* Looks for the remote object that is associated with the named service. |
49 |
|
* Name and location is given in form of a URL without a scheme: |
50 |
|
* |
51 |
|
* //host:port/service-name |
52 |
|
* |
53 |
|
* The port is optional. |
54 |
|
* </pre> |
55 |
|
* @param name the service name and location |
56 |
|
* @return Remote-object that implements the named service |
57 |
|
* @throws NotBoundException if no object implements the service |
58 |
|
* @throws MalformedURLException |
59 |
|
* @throws RemoteException |
60 |
|
*/ |
61 |
public static Remote lookup(String name) throws NotBoundException, MalformedURLException, RemoteException { |
public static Remote lookup(String name) throws NotBoundException, MalformedURLException, RemoteException { |
62 |
|
// hack to accept "rmi://host:port/service" strings |
63 |
|
if(name.startsWith("rmi:")){ name = name.substring(4); } |
64 |
URL u = new URL("http:" + name); |
URL u = new URL("http:" + name); |
65 |
return (getRegistry(u).lookup(u.getFile().substring(1))); |
return (getRegistry(u).lookup(u.getFile().substring(1))); |
66 |
} |
} |
67 |
|
|
68 |
|
/** |
69 |
|
* Try to bind the given object to the given service name. |
70 |
|
* @param name |
71 |
|
* @param obj |
72 |
|
* @throws AlreadyBoundException |
73 |
|
* @throws MalformedURLException |
74 |
|
* @throws RemoteException |
75 |
|
*/ |
76 |
public static void bind(String name, Remote obj) throws AlreadyBoundException, MalformedURLException, RemoteException { |
public static void bind(String name, Remote obj) throws AlreadyBoundException, MalformedURLException, RemoteException { |
77 |
URL u = new URL("http:" + name); |
URL u = new URL("http:" + name); |
78 |
getRegistry(u).bind(u.getFile().substring(1), obj); |
getRegistry(u).bind(u.getFile().substring(1), obj); |
79 |
} |
} |
80 |
|
|
81 |
|
/** |
82 |
|
* Remove a binding for a given service name. |
83 |
|
* @param name |
84 |
|
* @throws RemoteException |
85 |
|
* @throws NotBoundException |
86 |
|
* @throws MalformedURLException |
87 |
|
*/ |
88 |
public static void unbind(String name) throws RemoteException, NotBoundException, MalformedURLException { |
public static void unbind(String name) throws RemoteException, NotBoundException, MalformedURLException { |
89 |
URL u = new URL("http:" + name); |
URL u = new URL("http:" + name); |
90 |
getRegistry(u).unbind(u.getFile().substring(1)); |
getRegistry(u).unbind(u.getFile().substring(1)); |
91 |
} |
} |
92 |
|
|
93 |
|
/** |
94 |
|
* Forces the binding between the given Remote-object and the given service name, even |
95 |
|
* if there was already an object bound to this name. |
96 |
|
* @param name |
97 |
|
* @param obj |
98 |
|
* @throws RemoteException |
99 |
|
* @throws MalformedURLException |
100 |
|
*/ |
101 |
public static void rebind(String name, Remote obj) throws RemoteException, MalformedURLException { |
public static void rebind(String name, Remote obj) throws RemoteException, MalformedURLException { |
102 |
URL u = new URL("http:" + name); |
URL u = new URL("http:" + name); |
103 |
getRegistry(u).rebind(u.getFile().substring(1), obj); |
getRegistry(u).rebind(u.getFile().substring(1), obj); |
104 |
} |
} |
105 |
|
|
106 |
|
/** |
107 |
|
* Lists all services at the named registry. |
108 |
|
* @param name url that specifies the registry |
109 |
|
* @return list of services at the name registry |
110 |
|
* @throws RemoteException |
111 |
|
* @throws MalformedURLException |
112 |
|
*/ |
113 |
public static String[] list(String name) throws RemoteException, MalformedURLException { |
public static String[] list(String name) throws RemoteException, MalformedURLException { |
114 |
return (getRegistry(new URL("http:" + name)).list()); |
return (getRegistry(new URL("http:" + name)).list()); |
115 |
} |
} |