com.axelor.script

Interface ScriptHelper

All Known Implementing Classes:

AbstractScriptHelper, CompositeScriptHelper, ELScriptHelper, GroovyScriptHelper, NashornScriptHelper

public interface ScriptHelper

The DataScriptHelper interface to implement dynamic script evaluation support.

Method Summary

Modifier and Type	Method and Description
Object	call(Object obj, String methodCall) Call a method on the given object.
Object	eval(String expr) Evaluate the given expression.
Object	eval(String expr, Bindings bindings) Evaluate the given expression with the given bindings.
Bindings	getBindings() Get current script bindings.
void	setBindings(Bindings bindings) Set script bindings.
boolean	test(String expr) Evaluate a boolean expression.

Method Detail

getBindings

Bindings getBindings()

Get current script bindings.

Returns:

bindings

setBindings

void setBindings(Bindings bindings)

Set script bindings.

Parameters:

bindings - new script bindings.

eval

Object eval(String expr)

Evaluate the given expression.

Parameters:

expr - the expression to evaluate

Returns:

expression result

eval

Object eval(String expr,
            Bindings bindings)
     throws Exception

Evaluate the given expression with the given bindings.

Parameters:

expr - the expression to evaluate

bindings - the context bindings

Returns:

expression result

Throws:

Exception

test

boolean test(String expr)

Evaluate a boolean expression.

Parameters:

expr - a boolean expression

Returns:

true or false

call

Object call(Object obj,
            String methodCall)

Call a method on the given object.

The methodCall is a string expression containing arguments to be passed. For example:

 scriptHelper.call(bean, "test(var1, var2, var3)");
 

This is a convenient method to call:

 scriptHelper.call(bean, "test", new Object[] { var1, var2, var3 });
 

Parameters:

obj - the object on which method should be called

methodCall - method call expression

Returns:

return value of the method