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import org.omg.CosNaming.*;
import org.omg.CosNaming.NamingContextPackage.*;
import org.omg.PortableServer.*;
import java.io.*;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class CamController extends JFrame
{
public JPanel videoViewer;
public static String hostName = ""; // This computer's host name
public static org.omg.CORBA.ORB orb;
public static rowc.MediaStore mediaStore;
public static rowc.Registration regObject;
public static NamingContext nc;
public static boolean connectedToServer = false; // Keep track of whether binded to Server
private final String PROPERTY_FILE = "project.conf";
public CamController(String args[])
{
System.out.println("initializing...");
initCorba(args);
// Determine this computer's ip address
try
{
java.net.InetAddress ia = java.net.InetAddress.getLocalHost();
hostName = ia.getHostName();
System.out.println("InetAddress = "+ia);
}
catch (java.net.UnknownHostException ex)
{
ex.printStackTrace();
}
// Call constructor AFTER getting ORB up because of ORB-dependent methods in VideoViewer
videoViewer = new VideoViewer();
JPanel contentPane = (JPanel) this.getContentPane();
contentPane.setLayout(new BorderLayout());
this.setSize(new Dimension(580, 580));
this.setTitle("Cam Controller");
contentPane.add(videoViewer, BorderLayout.CENTER);
show();
}
private void initCorba(String commandLineArgs[])
{
System.out.println("Initializing CORBA... ");
try
{
// Initialize the ORB
java.util.Properties props = System.getProperties();
try
{
// Read properties from project property file that indicates location
// of Name and Event Services.
FileInputStream f = new FileInputStream(PROPERTY_FILE);
props.load(f);
f.close();
}
catch (FileNotFoundException e)
{
// Got this most likely because app is being ran in Java Web Start.
// Need to load property file differently.
ClassLoader cl = this.getClass().getClassLoader();
java.net.URL url = cl.getResource(PROPERTY_FILE);
props.load(url.openStream());
}
props.setProperty("org.omg.CORBA.ORBClass", "com.ooc.CORBA.ORB");
props.setProperty("org.omg.CORBA.ORBSingletonClass",
"com.ooc.CORBA.ORBSingleton");
orb = org.omg.CORBA.ORB.init(commandLineArgs, props);
}
catch (Exception e)
{
e.printStackTrace();
return;
}
try
{
// Find MediaStore using Naming Service
nc = NamingContextHelper.narrow(
orb.resolve_initial_references("NameService"));
// Resolve names with the Naming Service
NameComponent[] ncArray = new NameComponent[1];
ncArray[0] = new NameComponent("MediaStore","");
mediaStore = rowc.MediaStoreHelper.narrow(nc.resolve(ncArray));
ncArray[0] = new NameComponent("Registration","");
regObject = rowc.RegistrationHelper.narrow(nc.resolve(ncArray));
POA rootPOA =
POAHelper.narrow(orb.resolve_initial_references("RootPOA"));
// Create policies for our persistent POA and activate
org.omg.CORBA.Policy[] policies = {
rootPOA.create_lifespan_policy(LifespanPolicyValue.PERSISTENT),
rootPOA.create_id_assignment_policy(IdAssignmentPolicyValue.USER_ID)
};
POA myPOA = rootPOA.create_POA("blahh",
rootPOA.the_POAManager(), policies);
myPOA.the_POAManager().activate();
connectedToServer = true;
}
catch (org.omg.CORBA.TRANSIENT e)
{
e.printStackTrace();
JOptionPane.showMessageDialog(null,
"Unable to locate Naming Service.\nMake sure Naming Service is running.",
"Cam Viewer Error", JOptionPane.ERROR_MESSAGE);
System.exit(0);
}
catch (Exception e)
{
e.printStackTrace();
JOptionPane.showMessageDialog(null,
"Error locating remote objects.\nMake sure the CORBA server is running.",
"Cam Viewer Error", JOptionPane.ERROR_MESSAGE);
}
}
public static void main(String args[])
{
final CamController app = new CamController(args);
app.addWindowListener(
new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.out.println("About to stopCamViewer");
try
{
VideoViewer.terminate();
VideoViewer.stopCamViewer();
}
catch (Exception ex)
{
ex.printStackTrace();
}
System.exit(0);
}
}
);
}
}
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almond
