org.apache.jena.sparql.function.js

Class EnvJavaScript

java.lang.Object

org.apache.jena.sparql.function.js.EnvJavaScript

public class EnvJavaScript
extends Object

Environment for executing a JavaScript function.

Functions are loaded from the file named in context setting symJavaScriptLibFile. The file must be UTF-8 encoded.

Function are loaded from a string value in context setting symJavaScriptFunctions.

If both are present, the file named by EnvJavaScript.symJavaScriptLibFile is loaded then the string from EnvJavaScript.symJavaScriptLib.

Field Summary

Fields

Modifier and Type	Field and Description
static Symbol	symJavaScriptFunctions JavaScript functions as a string value which is evaluated.
static Symbol	symJavaScriptLibFile JavaScript library of functions in a file.

Method Summary

Modifier and Type	Method and Description
Object	call(String functionName, Object[] args)
static EnvJavaScript	create(Context context)
static EnvJavaScript	get() Return the global EnvJavaScript.
static void	reset() Reset the global EnvJavaScript based on the system-wide context
static void	reset(Context context) Reset the global EnvJavaScript

Methods inherited from class java.lang.Object

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

Field Detail

symJavaScriptFunctions

public static Symbol symJavaScriptFunctions

JavaScript functions as a string value which is evaluated.

symJavaScriptLibFile

public static Symbol symJavaScriptLibFile

JavaScript library of functions in a file.

Method Detail

create

public static EnvJavaScript create(Context context)

get

public static EnvJavaScript get()

Return the global EnvJavaScript. Returns null if no JavaScript has been provided.

reset

public static void reset()

Reset the global EnvJavaScript based on the system-wide context

reset

public static void reset(Context context)

Reset the global EnvJavaScript

call

public Object call(String functionName,
                   Object[] args)
            throws NoSuchMethodException,
                   ScriptException

Throws:

NoSuchMethodException

ScriptException