public class FunctionLibrary extends java.lang.Object implements Functions
Functions
objects into a group Functions
object. Since JXPathContext
can only register a single Functions
object, FunctionLibrary should always be used to group all Functions objects
that need to be registered.Modifier and Type | Field and Description |
---|---|
private java.util.List |
allFunctions |
private java.util.HashMap |
byNamespace |
Constructor and Description |
---|
FunctionLibrary() |
Modifier and Type | Method and Description |
---|---|
void |
addFunctions(Functions functions)
Add functions to the library
|
Function |
getFunction(java.lang.String namespace,
java.lang.String name,
java.lang.Object[] parameters)
Returns a Function, if any, for the specified namespace,
name and parameter types.
|
java.util.Set |
getUsedNamespaces()
Returns a set containing all namespaces used by the aggregated
Functions.
|
private void |
prepareCache()
Prepare the cache.
|
void |
removeFunctions(Functions functions)
Remove functions from the library.
|
private java.util.List allFunctions
private java.util.HashMap byNamespace
public void addFunctions(Functions functions)
functions
- to addpublic void removeFunctions(Functions functions)
functions
- to removepublic java.util.Set getUsedNamespaces()
getUsedNamespaces
in interface Functions
public Function getFunction(java.lang.String namespace, java.lang.String name, java.lang.Object[] parameters)
getFunction
in interface Functions
namespace
- function namespacename
- function nameparameters
- parametersprivate void prepareCache()