org.norther.tammi.core.scripter.lang
Class AbstractEngine

java.lang.Object
  org.norther.tammi.core.scripter.lang.AbstractEngine

All Implemented Interfaces:

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

Direct Known Subclasses:

AbstractInterpreter

public abstract class AbstractEngine
extends Object
implements ScriptEngine

An abstract BSF engine implementation.

Author:

Ilkka Priha

Field Summary

protected static String

CLASS_PATH_SEPARATOR_EXPR The class path separator expression.

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

APPLY, ARGUMENTS, EVALUATE, EXECUTE, MAIN

Constructor Summary

AbstractEngine()
Constructs a new engine.

Method Summary

void	compileApply(String source, int lineNo, int columnNo, Object funcBody, Vector paramNames, Vector arguments, org.apache.bsf.util.CodeBuffer cb)
void	compileExpr(String source, int lineNo, int columnNo, Object expr, org.apache.bsf.util.CodeBuffer cb)
void	compileScript(String source, int lineNo, int columnNo, Object script, org.apache.bsf.util.CodeBuffer cb)
void	disconnectedDebuggerNotify()
protected ClassLoader	getClassLoader() Gets the class loader.
protected String	getClassPath() Gets the class path.
protected org.apache.bsf.debug.BSFDebugManager	getDebugManager() Gets the debug manager.
protected Vector	getDeclaredBeans() Gets the declared beans.
String	getInitializer() Gets an initializer script.
protected String	getLanguage() Gets the language.
Object	getSpecificDebuggingInterface()
protected String	getTempDirectory() Gets the temp directory.
void	initialize(org.apache.bsf.BSFManager mgr, String lang, Vector beans)
boolean	isInitialized() Checks whether initialized.
void	placeBreakpointAtLine(int brkptid, String docname, int lineno)
void	placeBreakpointAtOffset(int brkptid, String docname, int offset)
void	propertyChange(PropertyChangeEvent event)
void	reinitialize(String lang, Vector beans) Reinitializes the engine by clearing existing declarations.
void	removeBreakpoint(String docname, int brkptid)
protected void	setClassLoader(ClassLoader loader) Sets the class loader.
protected void	setClassPath(String path) Sets the class path.
void	setEntryExit(String docname, boolean on)
void	setInitializer(String script) Sets an initializer script.
protected void	setTempDirectory(String temp) Sets the temp directory.
void	terminate()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.bsf.BSFEngine

apply, call, declareBean, eval, exec, undeclareBean

Field Detail

CLASS_PATH_SEPARATOR_EXPR

protected static final String CLASS_PATH_SEPARATOR_EXPR

The class path separator expression.

Constructor Detail

AbstractEngine

public AbstractEngine()

Constructs a new engine.

Method Detail

initialize

public void initialize(org.apache.bsf.BSFManager mgr,
                       String lang,
                       Vector beans)
                throws org.apache.bsf.BSFException

Specified by:

initialize in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

getInitializer

public String getInitializer()

Description copied from interface: ScriptEngine

Gets an initializer script.

Specified by:

getInitializer in interface ScriptEngine

Returns:

the initializer.

setInitializer

public void setInitializer(String script)

Description copied from interface: ScriptEngine

Sets an initializer script. The script is executed after each reset.

Specified by:

setInitializer in interface ScriptEngine

Parameters:

script - the initializer.

isInitialized

public boolean isInitialized()

Description copied from interface: ScriptEngine

Checks whether initialized.

Specified by:

isInitialized in interface ScriptEngine

Returns:

true if initialized, false otherwise.

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

Parameters:

lang - the language.

beans - declared beans.

Throws:

org.apache.bsf.BSFException - on errors.

compileApply

public void compileApply(String source,
                         int lineNo,
                         int columnNo,
                         Object funcBody,
                         Vector paramNames,
                         Vector arguments,
                         org.apache.bsf.util.CodeBuffer cb)
                  throws org.apache.bsf.BSFException

Specified by:

compileApply in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

compileExpr

public void compileExpr(String source,
                        int lineNo,
                        int columnNo,
                        Object expr,
                        org.apache.bsf.util.CodeBuffer cb)
                 throws org.apache.bsf.BSFException

Specified by:

compileExpr in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

compileScript

public void compileScript(String source,
                          int lineNo,
                          int columnNo,
                          Object script,
                          org.apache.bsf.util.CodeBuffer cb)
                   throws org.apache.bsf.BSFException

Specified by:

compileScript in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

terminate

public void terminate()

Specified by:

terminate in interface org.apache.bsf.BSFEngine

getSpecificDebuggingInterface

public Object getSpecificDebuggingInterface()

Specified by:

getSpecificDebuggingInterface in interface org.apache.bsf.BSFEngine

disconnectedDebuggerNotify

public void disconnectedDebuggerNotify()

Specified by:

disconnectedDebuggerNotify in interface org.apache.bsf.BSFEngine

placeBreakpointAtLine

public void placeBreakpointAtLine(int brkptid,
                                  String docname,
                                  int lineno)
                           throws org.apache.bsf.BSFException

Specified by:

placeBreakpointAtLine in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

placeBreakpointAtOffset

public void placeBreakpointAtOffset(int brkptid,
                                    String docname,
                                    int offset)
                             throws org.apache.bsf.BSFException

Specified by:

placeBreakpointAtOffset in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

removeBreakpoint

public void removeBreakpoint(String docname,
                             int brkptid)
                      throws org.apache.bsf.BSFException

Specified by:

removeBreakpoint in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

setEntryExit

public void setEntryExit(String docname,
                         boolean on)
                  throws org.apache.bsf.BSFException

Specified by:

setEntryExit in interface org.apache.bsf.BSFEngine

Throws:

org.apache.bsf.BSFException

propertyChange

public void propertyChange(PropertyChangeEvent event)

Specified by:

propertyChange in interface PropertyChangeListener

getLanguage

protected String getLanguage()

Gets the language.

Returns:

the language.

getDeclaredBeans

protected Vector getDeclaredBeans()

Gets the declared beans.

Returns:

the declared beans.

getClassPath

protected String getClassPath()

Gets the class path.

Returns:

the class path.

setClassPath

protected void setClassPath(String path)

Sets the class path.

Parameters:

path - the class path.

getTempDirectory

protected String getTempDirectory()

Gets the temp directory.

Returns:

the directory.

setTempDirectory

protected void setTempDirectory(String temp)

Sets the temp directory.

Parameters:

temp - the directory.

getClassLoader

protected ClassLoader getClassLoader()

Gets the class loader.

Returns:

the class loader.

setClassLoader

protected void setClassLoader(ClassLoader loader)

Sets the class loader.

Parameters:

loader - the class loader.

getDebugManager

protected org.apache.bsf.debug.BSFDebugManager getDebugManager()

Gets the debug manager.

Returns:

the debug manager.