com.sun.el.lang

Class FunctionMapperImpl

java.lang.Object

javax.el.FunctionMapper

com.sun.el.lang.FunctionMapperImpl

All Implemented Interfaces:

Externalizable, Serializable

public class FunctionMapperImpl
extends FunctionMapper
implements Externalizable

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: kchung $

Author:

Jacob Hookom [jacob@hookom.net]

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FunctionMapperImpl.Function

Field Summary

Fields

Modifier and Type	Field and Description
protected Map<String,FunctionMapperImpl.Function>	functions

Constructor Summary

Constructors

Constructor and Description
FunctionMapperImpl()

Method Summary

Modifier and Type	Method and Description
void	addFunction(String prefix, String localName, Method m)
void	readExternal(ObjectInput in)
Method	resolveFunction(String prefix, String localName) Resolves the specified prefix and local name into a java.lang.Method.
void	writeExternal(ObjectOutput out)

Methods inherited from class javax.el.FunctionMapper

mapFunction

Methods inherited from class java.lang.Object

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

Field Detail

functions

protected Map<String,FunctionMapperImpl.Function> functions

Constructor Detail

FunctionMapperImpl

public FunctionMapperImpl()

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.

addFunction

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

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