| 1 |
//---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 |
* @version $Id: ClientInterfaceServant.java,v 1.2 2000/12/04 18:42:19 ajm4 Exp $ |
| 19 |
*/ |
| 20 |
class ClientInterfaceServant extends ClientInterfacePOA { |
| 21 |
|
| 22 |
//---FINAL ATTRIBUTES--- |
| 23 |
|
| 24 |
/** |
| 25 |
* The current CVS revision of this class |
| 26 |
*/ |
| 27 |
public final String REVISION = "$Revision: 1.2 $"; |
| 28 |
|
| 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 |
_logger.write(toString(), Logger.DEBUG, "got data, passing to clients"); |
| 51 |
Iterator i = _clients.iterator(); |
| 52 |
while(i.hasNext()) { |
| 53 |
((ClientHandler) i.next()).receiveXML(xml); |
| 54 |
} |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Simply adds clients to a linked list |
| 59 |
* |
| 60 |
* @param newClient a reference to the client to add |
| 61 |
*/ |
| 62 |
public void register(ClientHandler newClient) { |
| 63 |
_logger.write(toString(), Logger.SYSMSG, "registered client - " + newClient.toString()); |
| 64 |
_clients.add(newClient); |
| 65 |
} |
| 66 |
|
| 67 |
/** |
| 68 |
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 69 |
* method to provide clean logging (every class should have this). |
| 70 |
* |
| 71 |
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
| 72 |
* to format the toString() |
| 73 |
* |
| 74 |
* @return the name of this class and its CVS revision |
| 75 |
*/ |
| 76 |
public String toString() { |
| 77 |
return FormatName.getName( |
| 78 |
_name, |
| 79 |
getClass().getName(), |
| 80 |
REVISION); |
| 81 |
} |
| 82 |
|
| 83 |
//---PRIVATE METHODS--- |
| 84 |
|
| 85 |
//---ACCESSOR/MUTATOR METHODS--- |
| 86 |
|
| 87 |
//---ATTRIBUTES--- |
| 88 |
|
| 89 |
/** |
| 90 |
* This is the friendly identifier of the |
| 91 |
* component this class is running in. |
| 92 |
* eg, a Filter may be called "filter1", |
| 93 |
* If this class does not have an owning |
| 94 |
* component, a name from the configuration |
| 95 |
* can be placed here. This name could also |
| 96 |
* be changed to null for utility classes. |
| 97 |
*/ |
| 98 |
private String _name = ClientInterfaceMain.NAME; |
| 99 |
|
| 100 |
/** |
| 101 |
* This holds a reference to the |
| 102 |
* system logger that is being used. |
| 103 |
*/ |
| 104 |
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 105 |
|
| 106 |
private LinkedList _clients; |
| 107 |
|
| 108 |
//---STATIC ATTRIBUTES--- |
| 109 |
|
| 110 |
} |
