Instantiating the UCB
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The following steps have to be performed before a process can use the UCB:
- Create and set the UNO service manager.
- Create an instance of the UNO service com.sun.star.ucb.UniversalContentBroker, passing the keys identifying a predefined UCB configuration to
createInstanceWithArguments()
.
There are several predefined UCB configurations. Each configuration contains data that describes a set of UCPs. All UCPs contained in a configuration are registered at the UCB that is created using this configuration. A UCB configuration is identified by two keys that are strings. The standard configuration is "Local
" and "Office
", which generally allows access to all UCPs available in a local installation.
import com.sun.star.lang.XMultiServiceFactory;
import com.sun.star.uno.Exception;
import com.sun.star.uno.XInterface;
boolean initUCB() {
/////////////////////////////////////////////////////////////////////
// Obtain Process Service Manager.
/////////////////////////////////////////////////////////////////////
XMultiServiceFactory xServiceFactory = ...
/////////////////////////////////////////////////////////////////////
// Create UCB. This needs to be done only once per process.
/////////////////////////////////////////////////////////////////////
XInterface xUCB;
try {
// Supply configuration to use for this UCB instance...
String[] keys = new String[2];
keys[ 0 ] = "Local";
keys[ 1 ] = "Office";
xUCB = xServiceFactory.createInstanceWithArguments(
"com.sun.star.ucb.UniversalContentBroker", keys );
}
catch (com.sun.star.uno.Exception e) {
}
if (xUCB == null)
return false;
return true;
}
For information about other configurations, refer to Configuration.
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