1 |
ajm |
1.3 |
//---PACKAGE DECLARATION--- |
2 |
|
|
package uk.ac.ukc.iscream.clientinterface; |
3 |
|
|
|
4 |
|
|
//---IMPORTS--- |
5 |
|
|
import uk.ac.ukc.iscream.core.*; |
6 |
|
|
import uk.ac.ukc.iscream.util.*; |
7 |
|
|
import java.util.LinkedList; |
8 |
|
|
import java.util.Iterator; |
9 |
|
|
|
10 |
|
|
/** |
11 |
|
|
* A client interface servant |
12 |
|
|
* This keeps a track of all connected clients to |
13 |
|
|
* the system and passes data to their handlers. |
14 |
|
|
* |
15 |
|
|
* Currently it has limited client management facilities. |
16 |
|
|
* |
17 |
|
|
* @author $Author: ajm4 $ |
18 |
ajm |
1.4 |
* @version $Id: ClientInterfaceServant.java,v 1.3 2000/12/13 12:57:38 ajm4 Exp $ |
19 |
ajm |
1.3 |
*/ |
20 |
|
|
class ClientInterfaceServant extends ClientInterfacePOA { |
21 |
|
|
|
22 |
|
|
//---FINAL ATTRIBUTES--- |
23 |
|
|
|
24 |
|
|
/** |
25 |
|
|
* The current CVS revision of this class |
26 |
|
|
*/ |
27 |
ajm |
1.4 |
public final String REVISION = "$Revision: 1.3 $"; |
28 |
ajm |
1.3 |
|
29 |
|
|
//---STATIC METHODS--- |
30 |
|
|
|
31 |
|
|
//---CONSTRUCTORS--- |
32 |
|
|
|
33 |
|
|
/** |
34 |
|
|
* Creates a new ClientInterfaceServant. |
35 |
|
|
*/ |
36 |
|
|
public ClientInterfaceServant() { |
37 |
|
|
// here would be a nice place to pass in local clients |
38 |
|
|
_clients = new LinkedList(); |
39 |
|
|
_logger.write(toString(), Logger.SYSINIT, "created"); |
40 |
|
|
} |
41 |
|
|
|
42 |
|
|
//---PUBLIC METHODS--- |
43 |
|
|
|
44 |
|
|
/** |
45 |
|
|
* Method to receive a string over corba. |
46 |
|
|
* |
47 |
|
|
* @param xml the String of XML to print out |
48 |
|
|
*/ |
49 |
|
|
public void receiveXML(String xml) { |
50 |
|
|
Iterator i = _clients.iterator(); |
51 |
|
|
while(i.hasNext()) { |
52 |
|
|
((ClientHandler) i.next()).receiveXML(xml); |
53 |
|
|
} |
54 |
|
|
} |
55 |
|
|
|
56 |
|
|
/** |
57 |
|
|
* Simply adds clients to a linked list |
58 |
|
|
* |
59 |
|
|
* @param newClient a reference to the client to add |
60 |
|
|
*/ |
61 |
|
|
public void register(ClientHandler newClient) { |
62 |
|
|
_logger.write(toString(), Logger.SYSMSG, "registered client - " + newClient.toString()); |
63 |
|
|
_clients.add(newClient); |
64 |
|
|
} |
65 |
|
|
|
66 |
|
|
/** |
67 |
|
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
68 |
|
|
* method to provide clean logging (every class should have this). |
69 |
|
|
* |
70 |
|
|
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
71 |
|
|
* to format the toString() |
72 |
|
|
* |
73 |
|
|
* @return the name of this class and its CVS revision |
74 |
|
|
*/ |
75 |
|
|
public String toString() { |
76 |
|
|
return FormatName.getName( |
77 |
|
|
_name, |
78 |
|
|
getClass().getName(), |
79 |
|
|
REVISION); |
80 |
|
|
} |
81 |
|
|
|
82 |
|
|
//---PRIVATE METHODS--- |
83 |
|
|
|
84 |
|
|
//---ACCESSOR/MUTATOR METHODS--- |
85 |
|
|
|
86 |
|
|
//---ATTRIBUTES--- |
87 |
|
|
|
88 |
|
|
/** |
89 |
|
|
* This is the friendly identifier of the |
90 |
|
|
* component this class is running in. |
91 |
|
|
* eg, a Filter may be called "filter1", |
92 |
|
|
* If this class does not have an owning |
93 |
|
|
* component, a name from the configuration |
94 |
|
|
* can be placed here. This name could also |
95 |
|
|
* be changed to null for utility classes. |
96 |
|
|
*/ |
97 |
|
|
private String _name = ClientInterfaceMain.NAME; |
98 |
|
|
|
99 |
|
|
/** |
100 |
|
|
* This holds a reference to the |
101 |
|
|
* system logger that is being used. |
102 |
|
|
*/ |
103 |
|
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
104 |
|
|
|
105 |
|
|
private LinkedList _clients; |
106 |
|
|
|
107 |
|
|
//---STATIC ATTRIBUTES--- |
108 |
|
|
|
109 |
|
|
} |