com.ibm.bsf.engines.jpython
Class JPythonEngine
java.lang.Object
|
+--com.ibm.bsf.util.BSFEngineImpl
|
+--com.ibm.bsf.engines.jpython.JPythonEngine
- public class JPythonEngine
- extends BSFEngineImpl
This is the interface to JPython (http://www.jpython.org/) from BSF.
- Author:
- Sanjiva Weerawarana, Finn Bock
Method Summary |
java.lang.Object |
call(java.lang.Object object,
java.lang.String method,
java.lang.Object[] args)
call the named method of the given object. |
void |
declareBean(BSFDeclaredBean bean)
Declare a bean |
java.lang.Object |
eval(java.lang.String source,
int lineNo,
int columnNo,
java.lang.Object script)
Evaluate an expression. |
void |
exec(java.lang.String source,
int lineNo,
int columnNo,
java.lang.Object script)
Execute a script. |
void |
initialize(BSFManager mgr,
java.lang.String lang,
java.util.Vector declaredBeans)
Initialize the engine. |
void |
undeclareBean(BSFDeclaredBean bean)
Undeclare a previously declared bean. |
java.lang.Object |
unwrap(org.python.core.PyObject result)
|
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
JPythonEngine
public JPythonEngine()
initialize
public void initialize(BSFManager mgr,
java.lang.String lang,
java.util.Vector declaredBeans)
throws BSFException
- Initialize the engine.
- Overrides:
- initialize in class BSFEngineImpl
- Tags copied from interface: BSFEngine
- Parameters:
mgr
- The BSFManager that's hosting this engine.lang
- Language string which this engine is handling.declaredBeans
- Vector of BSFDeclaredObject containing beans
that should be declared into the language runtime at init
time as best as possible.- Throws:
- BSFException - if anything goes wrong while init'ing a
BSFException is thrown. The reason indicates the problem.
eval
public java.lang.Object eval(java.lang.String source,
int lineNo,
int columnNo,
java.lang.Object script)
throws BSFException
- Evaluate an expression.
- Tags copied from interface: BSFEngine
- Parameters:
source
- (context info) the source of this expression
(e.g., filename)lineNo
- (context info) the line number in source for exprcolumnNo
- (context info) the column number in source for exprexpr
- the expression to evaluate- Throws:
- BSFException - if anything goes wrong while eval'ing a
BSFException is thrown. The reason indicates the problem.
exec
public void exec(java.lang.String source,
int lineNo,
int columnNo,
java.lang.Object script)
throws BSFException
- Execute a script.
- Overrides:
- exec in class BSFEngineImpl
- Tags copied from interface: BSFEngine
- Parameters:
source
- (context info) the source of this expression
(e.g., filename)lineNo
- (context info) the line number in source for exprcolumnNo
- (context info) the column number in source for exprscript
- the script to execute- Throws:
- BSFException - if anything goes wrong while exec'ing a
BSFException is thrown. The reason indicates the problem.
call
public java.lang.Object call(java.lang.Object object,
java.lang.String method,
java.lang.Object[] args)
throws BSFException
- call the named method of the given object.
- Tags copied from interface: BSFEngine
- Parameters:
object
- object on which to make the callname
- name of the method / procedure to callargs
- the arguments to be given to the procedure- Throws:
- BSFException - if anything goes wrong while eval'ing a
BSFException is thrown. The reason indicates the problem.
unwrap
public java.lang.Object unwrap(org.python.core.PyObject result)
declareBean
public void declareBean(BSFDeclaredBean bean)
throws BSFException
- Declare a bean
- Overrides:
- declareBean in class BSFEngineImpl
- Tags copied from interface: BSFEngine
- Parameters:
bean
- the bean to declare- Throws:
- BSFException - if the engine cannot do this operation
undeclareBean
public void undeclareBean(BSFDeclaredBean bean)
throws BSFException
- Undeclare a previously declared bean.
- Overrides:
- undeclareBean in class BSFEngineImpl
- Tags copied from interface: BSFEngine
- Parameters:
bean
- the bean to undeclare- Throws:
- BSFException - if the engine cannot do this operation