org.camunda.spin.plugin.impl

Class SpinFunctionMapper

java.lang.Object

org.camunda.bpm.engine.impl.javax.el.FunctionMapper

org.camunda.spin.plugin.impl.SpinFunctionMapper

public class SpinFunctionMapper
extends FunctionMapper

A FunctionMapper which resolves the Spin functions for Expression Language.

Lazy loading: This implementation supports lazy loading: the Java Methods are loaded upon the first request.

Caching: once the methods are loaded, they are cached in a Map for efficient retrieval.

Author:

Daniel Meyer

Field Summary

Fields

Modifier and Type	Field and Description
static Map<String,Method>	SPIN_FUNCTION_MAP

Constructor Summary

Constructors

Constructor and Description
SpinFunctionMapper()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	createMethodBindings()
protected void	ensureSpinFunctionMapInitialized()
Method	resolveFunction(String prefix, String localName) Resolves the specified prefix and local name into a java.lang.Method.

Methods inherited from class java.lang.Object

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

Field Detail

SPIN_FUNCTION_MAP

public static Map<String,Method> SPIN_FUNCTION_MAP

Constructor Detail

SpinFunctionMapper

public SpinFunctionMapper()

Method Detail

resolveFunction

public Method resolveFunction(String prefix,
                     String localName)

Description copied from class: FunctionMapper

Resolves the specified prefix and local name into a java.lang.Method. Returns null if no function could be found that matches the given prefix and local name.

Specified by:

resolveFunction in class FunctionMapper

Parameters:

prefix - the prefix of the function, or "" if no prefix. For example, "fn" in ${fn:method()}, or "" in ${method()}.

localName - the short name of the function. For example, "method" in ${fn:method()}.

Returns:

the static method to invoke, or null if no match was found.

ensureSpinFunctionMapInitialized

protected void ensureSpinFunctionMapInitialized()

createMethodBindings

protected void createMethodBindings()