public abstract class FunctionMapper
extends java.lang.Object
A FunctionMapper
maps ${prefix:name()}
style functions to a static method that can execute that function.
Constructor and Description |
---|
FunctionMapper() |
Modifier and Type | Method and Description |
---|---|
void |
mapFunction(java.lang.String prefix,
java.lang.String localName,
java.lang.reflect.Method meth)
Adds a static method that can be used as a function.
|
abstract java.lang.reflect.Method |
resolveFunction(java.lang.String prefix,
java.lang.String localName)
Resolves the specified prefix and local name into a
java.lang.Method . |
public abstract java.lang.reflect.Method resolveFunction(java.lang.String prefix, java.lang.String localName)
java.lang.Method
.
Returns null
if no function could be found that matches
the given prefix and local name.
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()}
.null
if no
match was found.public void mapFunction(java.lang.String prefix, java.lang.String localName, java.lang.reflect.Method meth)
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()}
.meth
- The static method that is to be invoked, when the function is
referenced. The null value causes the function to be removed from the
map.