| 1 |
|
//---PACKAGE DECLARATION--- |
| 2 |
< |
package uk.ac.ukc.iscream.filtermanager; |
| 2 |
> |
package uk.org.iscream.filtermanager; |
| 3 |
|
|
| 4 |
|
//---IMPORTS--- |
| 5 |
< |
import uk.ac.ukc.iscream.util.*; |
| 6 |
< |
import uk.ac.ukc.iscream.core.*; |
| 5 |
> |
import uk.org.iscream.util.*; |
| 6 |
> |
import uk.org.iscream.core.*; |
| 7 |
> |
import uk.org.iscream.componentmanager.*; |
| 8 |
|
|
| 9 |
|
/** |
| 10 |
|
* The FilterManager handles initialisation |
| 15 |
|
* @author $Author$ |
| 16 |
|
* @version $Id$ |
| 17 |
|
*/ |
| 18 |
< |
public class FilterManager implements uk.ac.ukc.iscream.util.Component { |
| 18 |
> |
public class FilterManager implements Component { |
| 19 |
|
|
| 20 |
|
//---FINAL ATTRIBUTES--- |
| 21 |
|
|
| 40 |
|
* This method starts the FilterManager |
| 41 |
|
*/ |
| 42 |
|
public void start() throws ComponentStartException { |
| 43 |
< |
|
| 43 |
> |
// get references to key objects |
| 44 |
> |
_logger = _refman.getLogger(); |
| 45 |
> |
|
| 46 |
|
_logger.write(toString(), Logger.SYSINIT, "coming up"); |
| 47 |
|
|
| 48 |
< |
// configuration variable we require |
| 49 |
< |
int listenPort = 0; |
| 47 |
< |
|
| 48 |
< |
Configuration config = _refman.getCM().getConfiguration("FilterManager"); |
| 49 |
< |
if (config == null) { |
| 50 |
< |
System.err.println("CRITICAL:Unable to obtain configuration" + |
| 51 |
< |
"\n Advise you check the i-scream log for more information."); |
| 52 |
< |
_logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration"); |
| 53 |
< |
System.exit(1); |
| 54 |
< |
} else { |
| 55 |
< |
try { |
| 56 |
< |
listenPort = Integer.parseInt(config.getProperty("FilterManager.listenPort")); |
| 57 |
< |
} catch (org.omg.CORBA.MARSHAL e) { |
| 58 |
< |
System.err.println ("CRITICAL:Unable to obtain required configuration property" + |
| 59 |
< |
"\n Advise you check the i-scream log for more information."); |
| 60 |
< |
_logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present"); |
| 61 |
< |
System.exit(1); |
| 62 |
< |
} |
| 63 |
< |
} |
| 64 |
< |
|
| 65 |
< |
_logger.write(toString(), Logger.SYSMSG, "configured"); |
| 66 |
< |
|
| 67 |
< |
HostListener hostListener = new HostListener(listenPort); |
| 48 |
> |
// startup a thread to listen for hosts |
| 49 |
> |
HostListener hostListener = new HostListener(); |
| 50 |
|
hostListener.start(); |
| 51 |
|
|
| 52 |
|
_logger.write(toString(), Logger.SYSINIT, "started"); |
| 53 |
|
} |
| 54 |
< |
|
| 54 |
> |
|
| 55 |
|
/** |
| 56 |
+ |
* Does a dependency check. Used mainly at startup to |
| 57 |
+ |
* see if the required dependencies (components) are up |
| 58 |
+ |
* and running. |
| 59 |
+ |
* |
| 60 |
+ |
* @return a boolean value, true if the depdencies are satisfied |
| 61 |
+ |
*/ |
| 62 |
+ |
public boolean depCheck() { |
| 63 |
+ |
// This also depends on Filters.. but only when requested. |
| 64 |
+ |
// I believe the code is in place to handle that elsewhere. |
| 65 |
+ |
try { |
| 66 |
+ |
org.omg.CORBA.Object obj; |
| 67 |
+ |
obj = _refman.getCORBARef("iscream.Logger"); |
| 68 |
+ |
obj = _refman.getCORBARef("iscream.ConfigurationManager"); |
| 69 |
+ |
} catch(ComponentCORBAException e) { |
| 70 |
+ |
System.err.println(toString() + ": Dependency Failure: "+e); |
| 71 |
+ |
return false; |
| 72 |
+ |
} |
| 73 |
+ |
// dependency check suceeded |
| 74 |
+ |
return true; |
| 75 |
+ |
} |
| 76 |
+ |
|
| 77 |
+ |
/** |
| 78 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 79 |
|
* method to provide clean logging (every class should have this). |
| 80 |
|
* |
| 81 |
< |
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
| 81 |
> |
* This uses the uk.org.iscream.util.NameFormat class |
| 82 |
|
* to format the toString() |
| 83 |
|
* |
| 84 |
|
* @return the name of this class and its CVS revision |
| 111 |
|
* This holds a reference to the |
| 112 |
|
* system logger that is being used. |
| 113 |
|
*/ |
| 114 |
< |
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 115 |
< |
|
| 114 |
> |
private Logger _logger; |
| 115 |
> |
|
| 116 |
|
/** |
| 117 |
|
* A reference to the reference manager in use |
| 118 |
|
*/ |
