weka.gui.scripting

Class JythonScript

java.lang.Object

weka.gui.scripting.Script

weka.gui.scripting.JythonScript

All Implemented Interfaces:

java.io.Serializable, OptionHandler

public class JythonScript
extends Script

Represents a Jython script.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JythonScript.JythonThread Executes a Jython script in a thread.

Nested classes/interfaces inherited from class weka.gui.scripting.Script

Script.ScriptThread

Field Summary

Fields inherited from class weka.gui.scripting.Script

BACKUP_EXTENSION, m_Document, m_Filename, m_FinishedListeners, m_Modified, m_NewLine, m_ScriptThread

Constructor Summary

Constructors

Constructor and Description
JythonScript() Initializes the script.
JythonScript(javax.swing.text.Document doc) Initializes the script.
JythonScript(javax.swing.text.Document doc, java.io.File file) Initializes the script.

Method Summary

Modifier and Type	Method and Description
protected boolean	canExecuteScripts() Returns whether scripts can be executed, i.e., Jython is present.
java.lang.String	getDefaultExtension() Returns the default extension.
ExtensionFileFilter[]	getFilters() Returns the extension filters for this type of script.
static void	main(java.lang.String[] args) Runs the script from commandline.
Script.ScriptThread	newThread(java.lang.String[] args) Returns a new thread to execute.
protected void	preCheck(java.lang.String[] args) Performs pre-execution checks.

Methods inherited from class weka.gui.scripting.Script

addScriptFinishedListener, checkExtension, empty, execute, getContent, getFilename, getNewLine, getOptions, initialize, isModified, isRunning, listOptions, makeOptionString, notifyScriptFinishedListeners, open, removeScriptFinishedListener, run, runScript, save, saveAs, setContent, setOptions, start, stop, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

JythonScript

public JythonScript()

Initializes the script.

JythonScript

public JythonScript(javax.swing.text.Document doc)

Initializes the script.

Parameters:

doc - the document to use as basis

JythonScript

public JythonScript(javax.swing.text.Document doc,
                    java.io.File file)

Initializes the script. Automatically loads the specified file, if not null.

Parameters:

doc - the document to use as basis

file - the file to load (if not null)

Method Detail

getFilters

public ExtensionFileFilter[] getFilters()

Returns the extension filters for this type of script.

Specified by:

getFilters in class Script

Returns:

the filters

getDefaultExtension

public java.lang.String getDefaultExtension()

Returns the default extension. Gets automatically added to files if their name doesn't end with this.

Specified by:

getDefaultExtension in class Script

Returns:

the default extension (incl. the dot)

See Also:

Script.saveAs(File)

canExecuteScripts

protected boolean canExecuteScripts()

Returns whether scripts can be executed, i.e., Jython is present.

Specified by:

canExecuteScripts in class Script

Returns:

true if scripts can be executed

preCheck

protected void preCheck(java.lang.String[] args)
                 throws java.lang.Exception

Performs pre-execution checks.

This method checks whether Jython is available (throws an exception if not).

Overrides:

preCheck in class Script

Parameters:

args - optional commandline arguments

Throws:

java.lang.Exception - if checks fail

newThread

public Script.ScriptThread newThread(java.lang.String[] args)

Returns a new thread to execute.

Specified by:

newThread in class Script

Parameters:

args - optional commandline arguments

Returns:

the new thread object

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Runs the script from commandline. Use "-h" to list all options.

Parameters:

args - the commandline arguments

Throws:

java.lang.Exception - if execution fails