uk.ac.ed.epcc.webapp.exec

Class DefaultExecService

java.lang.Object

uk.ac.ed.epcc.webapp.AbstractContexed

uk.ac.ed.epcc.webapp.exec.DefaultExecService

All Implemented Interfaces:

AppContextCleanup, AppContextService<ExecService>, Contexed, ExecService

public class DefaultExecService
extends AbstractContexed
implements ExecService

Field Summary

Fields inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

conn

Constructor Summary

Constructors

Constructor and Description
DefaultExecService(AppContext conn)

Method Summary

Modifier and Type	Method and Description
void	cleanup() AppContext is being closed.
DeferredProcessProxy	exec_deferred(byte[] input, java.lang.String command) Make a DeferredProcessProxy to be run later.
ProcessProxy	exec(long timeout_milliseconds, java.lang.String command) Run a external command (waiting for it to complete)
ProcessProxy	exec(java.lang.String input, long timeout, java.lang.String line) Run a external command with supplied input (waiting for it to complete)
java.lang.Class<? super ExecService>	getType() Returns the type of service the class should be registered under.

Methods inherited from class uk.ac.ed.epcc.webapp.AbstractContexed

getContext, getLogger, resetLogger

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultExecService

public DefaultExecService(AppContext conn)

Parameters:

conn -

Method Detail

cleanup

public void cleanup()

Description copied from interface: AppContextCleanup

AppContext is being closed. Only use this for cleanup that can't be handled by normal garbage collection or for state which is never returned by reference.

Specified by:

cleanup in interface AppContextCleanup

getType

public java.lang.Class<? super ExecService> getType()

Description copied from interface: AppContextService

Returns the type of service the class should be registered under.

Specified by:

getType in interface AppContextService<ExecService>

Returns:

registration type

exec

public ProcessProxy exec(java.lang.String input,
                         long timeout,
                         java.lang.String line)
                  throws java.lang.Exception

Description copied from interface: ExecService

Run a external command with supplied input (waiting for it to complete)

Specified by:

exec in interface ExecService

Returns:

ProcessProxy

Throws:

java.io.IOException

java.lang.InterruptedException

java.lang.Exception

exec

public ProcessProxy exec(long timeout_milliseconds,
                         java.lang.String command)
                  throws java.lang.Exception

Description copied from interface: ExecService

Run a external command (waiting for it to complete)

Specified by:

exec in interface ExecService

Returns:

ProcessProxy

Throws:

java.io.IOException

java.lang.InterruptedException

java.lang.Exception

exec_deferred

public DeferredProcessProxy exec_deferred(byte[] input,
                                          java.lang.String command)
                                   throws java.io.IOException

Description copied from interface: ExecService

Make a DeferredProcessProxy to be run later.

Specified by:

exec_deferred in interface ExecService

Returns:

Throws:

java.io.IOException