Package org.vedantatree.expressionoasis.extensions.customfunctions

Class CustomFunctionProvider

java.lang.Object

org.vedantatree.expressionoasis.extensions.DefaultFunctionProvider

org.vedantatree.expressionoasis.extensions.customfunctions.CustomFunctionProvider

All Implemented Interfaces:

FunctionProvider

public class CustomFunctionProvider
extends DefaultFunctionProvider

Provides custom functions where the source code for the functions is stored as configuration in order to make adding new functions very simple.

Constructor Summary

Constructors

Constructor	Description
CustomFunctionProvider(Class<? extends CustomFunctionSourceProvider> sourceProvider)	Dynamically generates a class at run time based on the source code of methods provided by the sourceProvider, and makes the methods available to the expression engine as functions.

Method Summary

Methods inherited from class org.vedantatree.expressionoasis.extensions.DefaultFunctionProvider

getFunctionType, getFunctionValue, initialize, supportsFunction

Methods inherited from class java.lang.Object

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

Constructor Detail

CustomFunctionProvider

public CustomFunctionProvider(Class<? extends CustomFunctionSourceProvider> sourceProvider)
                       throws ExpressionEngineException

Dynamically generates a class at run time based on the source code of methods provided by the sourceProvider, and makes the methods available to the expression engine as functions.

Parameters:

sourceProvider - class that will provide the source code for the custom functions

Throws:

ExpressionEngineException

InstantiationException

IllegalAccessException