ch.elca.el4j.services.debug
Class ShellExecutorImpl

java.lang.Object
  ch.elca.el4j.services.debug.ShellExecutorImpl

All Implemented Interfaces:

ShellExecutor

public class ShellExecutorImpl
extends Object
implements ShellExecutor

The evaluator can evaluate script expressions. For now it uses bsh. Later it should also be able to support other shells (via bean scripting or the jdk 1.6 mechanism). Features:
bsh.show=true shows more eval output
Variables available in the shell script:

• ac the current application context
• $_ the last return result

Author:

Philipp H. Oser (POS)

File-location:

ShellExecutorImpl

Last check-in date:

2009-12-01 10:59:54 +0100 (Di, 01. Dez 2009) by jonasha for revision 4010

Field Summary

protected ApplicationContext

m_ac

Constructor Summary

ShellExecutorImpl()

ShellExecutorImpl(ApplicationContext ac)

Method Summary

ResultHolder	eval(String stmt) Invoke a method on the shell
bsh.Interpreter	getInterpreter()
bsh.NameSpace	getNameSpace()
void	setInterpreter(bsh.Interpreter interpreter)
void	setNameSpace(bsh.NameSpace ns)
protected void	startup()

Methods inherited from class java.lang.Object

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

Field Detail

m_ac

protected ApplicationContext m_ac

Constructor Detail

ShellExecutorImpl

public ShellExecutorImpl()

ShellExecutorImpl

public ShellExecutorImpl(ApplicationContext ac)

Method Detail

startup

protected void startup()

eval

public ResultHolder eval(String stmt)

Description copied from interface: ShellExecutor

Invoke a method on the shell

Specified by:

eval in interface ShellExecutor

Returns:

getNameSpace

public bsh.NameSpace getNameSpace()

setNameSpace

public void setNameSpace(bsh.NameSpace ns)

getInterpreter

public bsh.Interpreter getInterpreter()

setInterpreter

public void setInterpreter(bsh.Interpreter interpreter)