Class FunctionMapperImpl

java.lang.Object

jakarta.el.FunctionMapper

org.apache.el.lang.FunctionMapperImpl

All Implemented Interfaces:

Externalizable, Serializable

public class FunctionMapperImpl
extends FunctionMapper
implements Externalizable

Thread-safe implementation of FunctionMapper that supports externalization.

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FunctionMapperImpl.Function	Represents a mapped EL function with serialization support.

Field Summary

Fields

Modifier and Type	Field	Description
protected ConcurrentMap<String, FunctionMapperImpl.Function>	functions	Map of function keys to their Function instances.

Constructor Summary

Constructors

Constructor	Description
FunctionMapperImpl()	Creates a new empty function mapper.

Method Summary

Modifier and Type	Method	Description
void	mapFunction(String prefix, String localName, Method m)	Map a method to a function name.
void	readExternal(ObjectInput in)
Method	resolveFunction(String prefix, String localName)	Resolves a function reference to its corresponding static Method.
void	writeExternal(ObjectOutput out)

Methods inherited from class Object

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

Field Details

functions

protected ConcurrentMap<String, FunctionMapperImpl.Function> functions

Map of function keys to their Function instances.

Constructor Details

FunctionMapperImpl

public FunctionMapperImpl()

Creates a new empty function mapper.

Method Details

resolveFunction

public Method resolveFunction(String prefix,
 String localName)

Description copied from class: jakarta.el.FunctionMapper

Resolves a function reference to its corresponding static Method.

Specified by:

resolveFunction in class FunctionMapper

Parameters:

prefix - the namespace prefix of the function

localName - the local name of the function

Returns:

the Method object for the resolved function, or null if not found

mapFunction

public void mapFunction(String prefix,
 String localName,
 Method m)

Description copied from class: jakarta.el.FunctionMapper

Map a method to a function name.

Overrides:

mapFunction in class FunctionMapper

Parameters:

prefix - Function prefix

localName - Function name

m - Method

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException