org.norther.tammi.core.scripter.djava
Class DJavaEngine

java.lang.Object
  org.norther.tammi.core.scripter.lang.AbstractEngine
      org.norther.tammi.core.scripter.lang.AbstractInterpreter
          org.norther.tammi.core.scripter.djava.DJavaEngine

All Implemented Interfaces:

PropertyChangeListener, Serializable, EventListener, org.apache.bsf.BSFEngine, Interpreter, ScriptEngine

public class DJavaEngine
extends AbstractInterpreter
implements Serializable

A djava interpreter engine to compile, evaluate and execute Java scripts and expressions.

Author:

Ilkka Priha

See Also:

Serialized Form

Field Summary

Fields inherited from class org.norther.tammi.core.scripter.lang.AbstractEngine

CLASS_PATH_SEPARATOR_EXPR

Fields inherited from interface org.norther.tammi.core.scripter.lang.Interpreter

JAVA_LANGUAGE

Fields inherited from interface org.norther.tammi.core.scripter.lang.ScriptEngine

APPLY, ARGUMENTS, EVALUATE, EXECUTE, MAIN

Constructor Summary

DJavaEngine()
Constructs a new engine.

Method Summary

Object	apply(String source, int lineNo, int columnNo, Object funcBody, Vector paramNames, Vector arguments)
Object	call(Object object, String name, Object[] args)
void	declareBean(org.apache.bsf.BSFDeclaredBean bean)
Object	eval(String source, int lineNo, int columnNo, Object expr)
void	exec(String source, int lineNo, int columnNo, Object script)
protected Interpreter	getInterpreter() Gets the adapted interpreter.
void	reinitialize(String lang, Vector beans) Reinitializes the engine by clearing existing declarations.
void	reset() Resets this interpreter.
protected void	setClassLoader(ClassLoader loader) Sets the class loader.
protected void	setClassPath(String path) Sets the class path.
void	terminate()
void	undeclareBean(org.apache.bsf.BSFDeclaredBean bean)

Methods inherited from class org.norther.tammi.core.scripter.lang.AbstractInterpreter

addClassPath, addClassURL, defineClass, defineVariable, defineVariable, getClassLoader, getClassNames, getVariable, getVariableClass, getVariableNames, interpret, interpret, interpret, interpret, interpret, isDefined, loadClass, setVariable

Methods inherited from class org.norther.tammi.core.scripter.lang.AbstractEngine

compileApply, compileExpr, compileScript, disconnectedDebuggerNotify, getClassPath, getDebugManager, getDeclaredBeans, getInitializer, getLanguage, getSpecificDebuggingInterface, getTempDirectory, initialize, isInitialized, placeBreakpointAtLine, placeBreakpointAtOffset, propertyChange, removeBreakpoint, setEntryExit, setInitializer, setTempDirectory

Methods inherited from class java.lang.Object

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

Constructor Detail

DJavaEngine

public DJavaEngine()

Constructs a new engine.

Method Detail

reinitialize

public void reinitialize(String lang,
                         Vector beans)
                  throws org.apache.bsf.BSFException

Description copied from interface: ScriptEngine

Reinitializes the engine by clearing existing declarations.

Specified by:

reinitialize in interface ScriptEngine

Overrides:

reinitialize in class AbstractEngine

Parameters:

lang - the language.

beans - declared beans.

Throws:

org.apache.bsf.BSFException - on errors.

declareBean

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

Specified by:

declareBean in interface org.apache.bsf.BSFEngine

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

Throws:

org.apache.bsf.BSFException

call

public Object call(Object object,
                   String name,
                   Object[] args)
            throws org.apache.bsf.BSFException

Specified by:

call in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

apply

public Object apply(String source,
                    int lineNo,
                    int columnNo,
                    Object funcBody,
                    Vector paramNames,
                    Vector arguments)
             throws org.apache.bsf.BSFException

Specified by:

apply in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

exec

public void exec(String source,
                 int lineNo,
                 int columnNo,
                 Object script)
          throws org.apache.bsf.BSFException

Specified by:

exec in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

eval

public Object eval(String source,
                   int lineNo,
                   int columnNo,
                   Object expr)
            throws org.apache.bsf.BSFException

Specified by:

eval in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

terminate

public void terminate()

Specified by:

terminate in interface org.apache.bsf.BSFEngine

Overrides:

terminate in class AbstractEngine

reset

public void reset()

Description copied from interface: Interpreter

Resets this interpreter.

Specified by:

reset in interface Interpreter

Overrides:

reset in class AbstractInterpreter

setClassPath

protected void setClassPath(String path)

Description copied from class: AbstractEngine

Sets the class path.

Overrides:

setClassPath in class AbstractEngine

Parameters:

path - the class path.

setClassLoader

protected void setClassLoader(ClassLoader loader)

Description copied from class: AbstractEngine

Sets the class loader.

Overrides:

setClassLoader in class AbstractEngine

Parameters:

loader - the class loader.

getInterpreter

protected Interpreter getInterpreter()

Description copied from class: AbstractInterpreter

Gets the adapted interpreter.

Specified by:

getInterpreter in class AbstractInterpreter

Returns:

the interpreter.