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java.lang.Object SK.gnome.dwarf.GenericService SK.gnome.dwarf.thread.ThreadService SK.gnome.dwarf.main.Command SK.gnome.dwarf.main.cmd.LSCmd
Prints a list of the contained services.
This command may be added only to Console
instances.
Field Summary |
Fields inherited from class SK.gnome.dwarf.thread.ThreadService |
daemon, thread |
Fields inherited from class SK.gnome.dwarf.GenericService |
initParameters, parent |
Fields inherited from interface SK.gnome.dwarf.Service |
INITIALIZED, LOG_DEBUG, LOG_ERROR, LOG_FATAL, LOG_INFO, LOG_TRACE, LOG_WARN, LOG_XFER, SHUTDOWN, STARTED, STOPPED |
Constructor Summary | |
LSCmd(java.lang.String name)
|
Method Summary | |
protected void |
execute(javax.security.auth.Subject subject,
Service service,
java.lang.String[] args,
java.io.Writer out)
Executes the command. |
java.lang.String |
getDescription()
Returns the command description. |
void |
init(Server parent)
Initializes the service. |
void |
printHelp(java.io.PrintWriter out)
Prints the command help. |
Methods inherited from class SK.gnome.dwarf.thread.ThreadService |
enableThread, finish, loop, run, setDaemon, shutdown, start, stop |
Methods inherited from class SK.gnome.dwarf.GenericService |
getAuthenticator, getAuthFacility, getFullName, getInitParameter, getInitParameterNames, getLogFacility, getLogger, getName, getParameters, getPrincipal, getShutdownTimeout, getState, log, log, login, logout, setAuthFacility, setInitParameters, setLogFacility, toString |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
public LSCmd(java.lang.String name)
Method Detail |
public java.lang.String getDescription()
Command
It should return a short one-line command description.
getDescription
in class Command
public void printHelp(java.io.PrintWriter out)
Command
By default it prints the string returned from the Command.getDescription()
method.
It may be overriden to provide more detailed help on the command usage.
printHelp
in class Command
out
- the output Writerpublic void init(Server parent) throws ServiceException
Service
This method changes the service state to Service.INITIALIZED
.
If the parent argument is not null, it means that the service is becomig a part of the server which the parent argument points to.
After a successful initialization the service can be started by invoking the
Service.start()
method, or it can be shut down by invoking the Service.shutdown()
method.
init
in interface Service
init
in class GenericService
ServiceException
protected void execute(javax.security.auth.Subject subject, Service service, java.lang.String[] args, java.io.Writer out) throws CommandException
Command
Executes the command action. This method is called by the console's
Console.execute(Subject, String, Writer)
method. The service parameter
contains a reference to the current working service of the subject executing the
command. Command arguments are passed in via the string array args and the command
output is redirected to the out stream. The command should throw a
CommandException
in the case of an error.
execute
in class Command
subject
- the subject executing the commandservice
- the current working serviceargs
- the command argumentsout
- the output stream
CommandException
- if the command fails for any reason
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