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import uk.ac.ukc.iscream.core.*; |
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/** |
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* A ClientInterface startup class |
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* This class starts the real time clients |
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* client interface. |
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* This is an iscream component that sends data |
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* direct to clients running on desktops to provide |
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* real time information. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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class ClientInterfaceMain { |
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public class ClientInterfaceMain implements uk.ac.ukc.iscream.util.Component { |
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//---FINAL ATTRIBUTES--- |
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//---STATIC METHODS--- |
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public static void main(String[] args) { |
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// *************************************** |
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// VERY TEMPORARY - will find a better way |
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System.setProperty("org.omg.CORBA.ORBClass","jacorb.orb.ORB"); |
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System.setProperty("org.omg.CORBA.ORBSingletonClass","jacorb.orb.ORBSingleton"); |
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// *************************************** |
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//---CONSTRUCTORS--- |
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ReferenceManager refman = ReferenceManager.init(null, null); |
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//---PUBLIC METHODS--- |
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// can't have a real toString() :) |
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String toString = "ClientInterface{" + refman.getName() + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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refman.getLogger().write(toString, Logger.SYSINIT, "coming up"); |
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/** |
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* This method starts the ClientInterface |
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*/ |
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public void start() throws ComponentStartException { |
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_logger.write(toString(), Logger.SYSINIT, "coming up"); |
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// configuration variables we require |
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String ourName = null; |
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int listenPort = 0; |
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Configuration config = refman.getCM().getConfiguration("ClientInterface"); |
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Configuration config = _refman.getCM().getConfiguration("ClientInterface"); |
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if (config == null) { |
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throw new RuntimeException ("CRITICAL:Unable to obtain configuration" + |
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" Advise you check the i-scream log for more information."); |
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System.err.println("CRITICAL:Unable to obtain configuration" + |
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"\n Advise you check the i-scream log for more information."); |
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_logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration"); |
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System.exit(1); |
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} else { |
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try { |
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ourName = config.getProperty("RootFilter.realtimeInterfaceName"); |
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listenPort = Integer.parseInt(config.getProperty("ClientInterface.listenPort")); |
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} catch (org.omg.CORBA.MARSHAL e) { |
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refman.getLogger().write(toString, Logger.FATAL, "required config property not present"); |
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throw new RuntimeException ("CRITICAL:Unable to obtain required configuration property" + |
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" Advise you check the i-scream log for more information."); |
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System.err.println ("CRITICAL:Unable to obtain required configuration property" + |
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"\n Advise you check the i-scream log for more information."); |
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_logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present"); |
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System.exit(1); |
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} |
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} |
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// now we have the name of the interface we set it |
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refman.setName(ourName); |
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toString = "ClientInterface{" + refman.getName() + "}(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
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refman.getLogger().write(toString, Logger.SYSINIT, "configured"); |
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NAME = ourName; |
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_logger.write(toString(), Logger.SYSINIT, "configured"); |
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// ClientInterfaceServant start (for inbound data) |
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refman.getLogger().write(toString, Logger.DEBUG, "starting servant for inbound data"); |
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_logger.write(toString(), Logger.DEBUG, "starting servant for inbound data"); |
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ClientInterfaceServant ciServant = new ClientInterfaceServant(); |
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refman.bindToOrb(ciServant, "iscream.ClientInterface." + refman.getName()); |
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_refman.bindToOrb(ciServant, "iscream.ClientInterface." + ClientInterfaceMain.NAME); |
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ClientListener clientListener = new ClientListener(listenPort, ciServant); |
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clientListener.start(); |
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// start the POA off |
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// now we are running, we just need to serve |
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// so we ask the orb to block for us until it has finished |
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refman.activatePOA(); |
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refman.getLogger().write(toString, Logger.SYSINIT, "started"); |
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refman.getORB().run(); |
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_logger.write(toString(), Logger.SYSINIT, "started"); |
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} |
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//---CONSTRUCTORS--- |
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/** |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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*/ |
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public String toString() { |
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return FormatName.getName( |
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_name, |
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getClass().getName(), |
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REVISION); |
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} |
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– |
//---PUBLIC METHODS--- |
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– |
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//---PRIVATE METHODS--- |
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//---ACCESSOR/MUTATOR METHODS--- |
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//---ATTRIBUTES--- |
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/** |
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* This is the friendly identifier of the |
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* component this class is running in. |
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* eg, a Filter may be called "filter1", |
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* If this class does not have an owning |
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* component, a name from the configuration |
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* can be placed here. This name could also |
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* be changed to null for utility classes. |
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*/ |
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private String _name = ClientInterfaceMain.NAME; |
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/** |
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* This holds a reference to the |
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* system logger that is being used. |
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*/ |
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private Logger _logger = ReferenceManager.getInstance().getLogger(); |
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/** |
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* A reference to the reference manager in use |
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*/ |
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private ReferenceManager _refman = ReferenceManager.getInstance(); |
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//---STATIC ATTRIBUTES--- |
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} |
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/** |
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* The friendly name for this component, used by |
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* all related classes. |
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* This is set from the configuration. |
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*/ |
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public static String NAME; |
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} |
