org.apache.tools.ant.taskdefs

Class ExecuteJava

java.lang.Object

org.apache.tools.ant.taskdefs.ExecuteJava

All Implemented Interfaces:

java.lang.Runnable, TimeoutObserver

public class ExecuteJava
extends java.lang.Object
implements java.lang.Runnable, TimeoutObserver

Execute a Java class.

Since:

Ant 1.2

Constructor Summary

Constructors

Constructor and Description
ExecuteJava()

Method Summary

Modifier and Type	Method and Description
void	execute(Project project) Execute the Java class against the specified Ant Project.
int	fork(ProjectComponent pc) Run the Java command in a separate VM, this does not give you the full flexibility of the Java task, but may be enough for simple needs.
boolean	killedProcess() Get whether the process was killed.
void	run() Run this ExecuteJava in a Thread.
void	setClasspath(Path p) Set the classpath to be used when running the Java class.
void	setJavaCommand(Commandline javaCommand) Set the Java "command" for this ExecuteJava.
void	setOutput(java.io.PrintStream out) Deprecated. since 1.4.x. manage output at the task level.
void	setPermissions(Permissions permissions) Set the permissions for the application run.
void	setSystemProperties(CommandlineJava.SysProperties s) Set the system properties to use when running the Java class.
void	setTimeout(java.lang.Long timeout) Set the timeout for this ExecuteJava.
static void	setupCommandLineForVMS(Execute exe, java.lang.String[] command) On VMS platform, we need to create a special java options file containing the arguments and classpath for the java command.
void	timeoutOccured(Watchdog w) Mark timeout as having occurred.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExecuteJava

public ExecuteJava()

Method Detail

setJavaCommand

public void setJavaCommand(Commandline javaCommand)

Set the Java "command" for this ExecuteJava.

Parameters:

javaCommand - the classname and arguments in a Commandline.

setClasspath

public void setClasspath(Path p)

Set the classpath to be used when running the Java class.

Parameters:

p - an Ant Path object containing the classpath.

setSystemProperties

public void setSystemProperties(CommandlineJava.SysProperties s)

Set the system properties to use when running the Java class.

Parameters:

s - CommandlineJava system properties.

setPermissions

public void setPermissions(Permissions permissions)

Set the permissions for the application run.

Parameters:

permissions - the Permissions to use.

Since:

Ant 1.6

setOutput

public void setOutput(java.io.PrintStream out)

Deprecated. since 1.4.x. manage output at the task level.

Set the stream to which all output (System.out as well as System.err) will be written.

Parameters:

out - the PrintStream where output should be sent.

setTimeout

public void setTimeout(java.lang.Long timeout)

Set the timeout for this ExecuteJava.

Parameters:

timeout - timeout as Long.

Since:

Ant 1.5

execute

public void execute(Project project)
             throws BuildException

Execute the Java class against the specified Ant Project.

Parameters:

project - the Project to use.

Throws:

BuildException - on error.

run

public void run()

Run this ExecuteJava in a Thread.

Specified by:

run in interface java.lang.Runnable

Since:

Ant 1.5

timeoutOccured

public void timeoutOccured(Watchdog w)

Mark timeout as having occurred.

Specified by:

timeoutOccured in interface TimeoutObserver

Parameters:

w - the responsible Watchdog.

Since:

Ant 1.5

killedProcess

public boolean killedProcess()

Get whether the process was killed.

Returns:

true if the process was killed, false otherwise.

Since:

1.19, Ant 1.5

fork

public int fork(ProjectComponent pc)
         throws BuildException

Run the Java command in a separate VM, this does not give you the full flexibility of the Java task, but may be enough for simple needs.

Parameters:

pc - the ProjectComponent to use for logging, etc.

Returns:

the exit status of the subprocess.

Throws:

BuildException - on error.

Since:

Ant 1.6.3

setupCommandLineForVMS

public static void setupCommandLineForVMS(Execute exe,
                                          java.lang.String[] command)

On VMS platform, we need to create a special java options file containing the arguments and classpath for the java command. The special file is supported by the "-V" switch on the VMS JVM.

Parameters:

exe - the Execute instance to alter.

command - the command-line.