Package org.apache.jmeter.util

# Class BSFJavaScriptEngine

java.lang.Object
org.apache.bsf.util.BSFEngineImpl
org.apache.jmeter.util.BSFJavaScriptEngine

All Implemented Interfaces:
  `PropertyChangeListener`, `EventListener`, `org.apache.bsf.BSFEngine`

public class BSFJavaScriptEngine extends org.apache.bsf.util.BSFEngineImpl
This is the interface to Netscape's Rhino (JavaScript) from the Bean Scripting Framework.

The original version of this code was first written by Adam Peller for use in LotusXSL. Sanjiva took his code and adapted it for BSF. Modified for JMeter to fix bug BSF-22.

## Field Summary

### Fields inherited from class org.apache.bsf.util.BSFEngineImpl

`classLoader, classPath, declaredBeans, lang, mgr, tempDir`

## Constructor Summary

Constructors
Constructor
Description
`BSFJavaScriptEngine()`

## Method Summary

Modifier and Type
Method
Description
`Object`
`call(Object object, String method, Object[] args)`
Return an object from an extension.
`void`
`declareBean(org.apache.bsf.BSFDeclaredBean bean)`
`Object`
`eval(String source, int lineNo, int columnNo, Object oscript)`
This is used by an application to evaluate a string containing some expression.
`void`
`initialize(org.apache.bsf.BSFManager mgr, String lang, Vector declaredBeans)`
Initialize the engine.
`void`
`undeclareBean(org.apache.bsf.BSFDeclaredBean bean)`

### Methods inherited from class org.apache.bsf.util.BSFEngineImpl

`apply, compileApply, compileExpr, compileScript, exec, iexec, propertyChange, terminate`

### Methods inherited from class java.lang.Object

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

## Constructor Details

### BSFJavaScriptEngine

public BSFJavaScriptEngine()

## Method Details

### call

public Object call(Object object, String method, Object[] args) throws org.apache.bsf.BSFException
Return an object from an extension.

Parameters:
  `object` - Object on which to make the call (ignored).
  `method` - The name of the method to call.
  `args` - an array of arguments to be passed to the extension, which may be either Vectors of Nodes, or Strings.
Throws:
  `org.apache.bsf.BSFException`

### declareBean

public void declareBean(org.apache.bsf.BSFDeclaredBean bean) throws org.apache.bsf.BSFException

Specified by:
  `declareBean` in interface `org.apache.bsf.BSFEngine`
Overrides:
  `declareBean` in class `org.apache.bsf.util.BSFEngineImpl`
Throws:
  `org.apache.bsf.BSFException`

### eval

public Object eval(String source, int lineNo, int columnNo, Object oscript) throws org.apache.bsf.BSFException
This is used by an application to evaluate a string containing some expression.

Throws:
  `org.apache.bsf.BSFException`

### initialize

public void initialize(org.apache.bsf.BSFManager mgr, String lang, Vector declaredBeans) throws org.apache.bsf.BSFException
Initialize the engine. Put the manager into the context-manager map hashtable too.

Specified by:
  `initialize` in interface `org.apache.bsf.BSFEngine`
Overrides:
  `initialize` in class `org.apache.bsf.util.BSFEngineImpl`
Throws:
  `org.apache.bsf.BSFException`

### undeclareBean

public void undeclareBean(org.apache.bsf.BSFDeclaredBean bean) throws org.apache.bsf.BSFException

Specified by:
  `undeclareBean` in interface `org.apache.bsf.BSFEngine`
Overrides:
  `undeclareBean` in class `org.apache.bsf.util.BSFEngineImpl`
Throws:
  `org.apache.bsf.BSFException`