/**
* Initializes COM and gets an instance of the IShellLink interface.
*
* @exception Exception if problems are encountered
*/
private void initialize() throws Exception {
try {
Librarian.getInstance().loadLibrary("ShellLink", this);
} catch (UnsatisfiedLinkError exception) {
throw (new Exception("could not locate native library"));
}
try {
if (initializeCOM() != SL_OK) {
throw (new Exception("could not initialize COM"));
} else {
initializeSucceeded = true;
}
} catch (Throwable exception) {
throw (new Exception("unidentified problem initializing COM\n" + exception.toString()));
}
int successCode = getInterface();
if (successCode != SL_OK) {
releaseCOM();
initializeSucceeded = false;
if (successCode == SL_OUT_OF_HANDLES) {
throw (new Exception("could not get an instance of IShellLink, no more handles available"));
} else {
throw (new Exception(
"could not get an instance of IShellLink, failed to co-create instance"));
}
}
}
/** Destructor, releases COM and frees native resources. */
protected void finalize() throws Throwable {
releaseInterface();
if (initializeSucceeded) {
releaseCOM();
initializeSucceeded = false;
}
super.finalize();
}