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## 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
`BSFJavaScriptEngine()`

Method Summary
`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 Detail

### BSFJavaScriptEngine

    public BSFJavaScriptEngine()

Method Detail

### 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`

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