{
// 0. Define and create the ORB
// Define an ORB suitable for use by the JBoss Transactions product ORB portability layer.
ORB myORB = null;
// Define an object adapter suitable for use by the JBoss Transactions product ORB portability layer.
RootOA myOA = null;
try
{
// Initialize the ORB reference using the JBoss Transactions product ORB portability layer.
myORB = ORB.getInstance("ServerSide");
// Initialize the object adapter reference using the JBoss Transactions product ORB portability layer.
myOA = OA.getRootOA(myORB);
// Initialize the ORB using the JBoss Transactions product ORB portability layer.
myORB.initORB(args, null);
// Initialize the object adapter reference using the JBoss Transactions product ORB portability layer.
myOA.initOA();
}
catch (Exception e)
{
// The ORB has not been correctly configured!
// Display as much help as possible to the user track down the configuration problem
System.err.println("Trailmap Error: ORB Initialisation failed: " + e);
e.printStackTrace();
System.exit(0);
}
// 1. Create the workhorse of this section of the trailmap, the BankImpl which responds to calls under
// transactional control
BankImpl bank = null;
// See if the bank has already been created before
File uidBankFile = new File("UidBankFile");
if (uidBankFile.exists())
{
try
{
// Read the banks UID from the file
FileInputStream file = new FileInputStream(uidBankFile);
InputStreamReader input = new InputStreamReader(file);
BufferedReader reader = new BufferedReader(input);
String stringUid = reader.readLine();
file.close();
// Recreate the bank from its UID
bank = new BankImpl(new Uid(stringUid), myOA);
boolean bankActivated = bank.activate();
System.out.println("File Found, bank was activated?: " + bankActivated);
}
catch (java.io.IOException ioe)
{
// The IOR could not be persisted
// Display as much help as possible to the user track down the configuration problem
System.out.println("Trailmap Error: Could not persist the IOR of the BankImpl: " + ioe);
ioe.printStackTrace();
System.exit(0);
}
}
else
{
// This section is executed when the bank server is executed for the first time.
// Create the bank to obtain it's UID
bank = new BankImpl(myOA);
try
{
// Write the UID to file
FileOutputStream file = new FileOutputStream(uidBankFile);
PrintStream pfile = new PrintStream(file);
pfile.println(bank.get_uid().toString());
file.close();
// Report the success
System.out.println("File not Found and created ");
}
catch (java.io.IOException ioe)
{
// The IOR could not be persisted
// Display as much help as possible to the user track down the configuration problem
System.out.println("Trailmap Error: Could not persist the UID of the BankImpl: " + ioe);
ioe.printStackTrace();
System.exit(0);
}
}
// Create the POA reference to bind
System.out.println("About to create Bank Object");
BankPOATie bankTieClass = new BankPOATie(bank);
System.out.println("Bank Object created");
// 2. Create an IOR reference to the <CODE>BankImpl</CODE> that can be used by the <CODE>BankClient</CODE>
// to locate the server
// Create the reference
String reference = myORB.orb().object_to_string(myOA.corbaReference(bankTieClass));
try
{
// Write the reference to disk for the client to read
java.io.FileOutputStream file = new java.io.FileOutputStream("ObjectId");
java.io.PrintStream pfile = new java.io.PrintStream(file);
pfile.println(reference);
file.close();
}
catch (java.io.IOException ioe)
{
// The IOR could not be persisted
// Display as much help as possible to the user track down the configuration problem
System.out.println("Trailmap Error: Could not persist the IOR of the BankImpl: " + ioe);
ioe.printStackTrace();
System.exit(0);
}
// 3. Start the object adapter listening for requests from the client
try
{
// Display information to indicate that the client application may now be ran
System.out.println("The bank server is now ready...");
myOA.run();
}
catch (SystemException ex)
{
// The OA could not be ran
// Display as much help as possible to the user track down the configuration problem