Java Reference
In-Depth Information
Interface
ServiceManagerStub
This interface is a stub for the
ServiceManager
's methods. It is implemented by the JNLP
Client with a concrete class and then registered with the
ServiceManager.setServiceManagerStub
method.
ServiceManagerStub
wraps a hashtable
containing the implemented services ready to be returned as needed to launched applications.
•
String[] getServiceNames()
Returns the names of all services as implemented by the JNLP Client.
•
Object lookup(String name)
Asks the JNLP Client for a service with the given
name
. The method is meant to always
return the same instance. Note that the type of the returned service can be any class, that
is, the service interfaces do not extend to a common service super-type.
Interface
BasicService
The
BasicService
interface provides access to the
codebase
of the application. It also offers
simple interaction with the native browser eventually present on the given platform.
•
java.net.URL getCodeBase()
Returns the
codebase
for the application.
•
boolean isOffline()
Returns
true
if the client is offline at that moment.
•
boolean isWebBrowserSupported()
Returns
true
if a Web browser that is supported by the client JNLP is present on the
client platform.
•
boolean showDocument(java.net.URL url)
Points the Web browser to the specified URL. Returns
false
if the client platform or the
JNLP Client doesn't support a Web browser.
Interface
FileContents
The
FileContents
interface wraps up the contents of a file to be read by the launched applica-
tions with adequate permissions.
•
boolean canRead()
Returns
true
if the file can be read.
•
boolean canWrite()
Returns
true
if the file can be (over)written.
•
java.io.InputStream getInputStream()
