org.camunda.bpm.engine.impl.el
Class CompositeFunctionMapper

java.lang.Object
  org.camunda.bpm.engine.impl.javax.el.FunctionMapper
      org.camunda.bpm.engine.impl.el.CompositeFunctionMapper

public class CompositeFunctionMapper
extends FunctionMapper

A FunctionMapper implemenation which delegates to a list of mappers. When a function is resolved, the list of mappers is iterated and the first one to return a method is used.

Author:

Daniel Meyer

Field Summary

protected List<FunctionMapper>

delegateMappers

Constructor Summary

CompositeFunctionMapper(List<FunctionMapper> delegateMappers)

Method Summary

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

delegateMappers

protected List<FunctionMapper> delegateMappers

Constructor Detail

CompositeFunctionMapper

public CompositeFunctionMapper(List<FunctionMapper> delegateMappers)

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.