com.sun.el.lang.FunctionMapperFactory Maven / Gradle / Ivy
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package com.sun.el.lang;
import java.lang.reflect.Method;
import javax.el.FunctionMapper;
/**
* @author Jacob Hookom [[email protected]]
* @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: tcfujii $
*/
public class FunctionMapperFactory extends FunctionMapper {
protected FunctionMapperImpl memento = null;
protected FunctionMapper target;
public FunctionMapperFactory(FunctionMapper mapper) {
if (mapper == null) {
throw new NullPointerException("FunctionMapper target cannot be null");
}
this.target = mapper;
}
/* (non-Javadoc)
* @see javax.el.FunctionMapper#resolveFunction(java.lang.String, java.lang.String)
*/
public Method resolveFunction(String prefix, String localName) {
if (this.memento == null) {
this.memento = new FunctionMapperImpl();
}
Method m = this.target.resolveFunction(prefix, localName);
if (m != null) {
this.memento.addFunction(prefix, localName, m);
}
return m;
}
public FunctionMapper create() {
return this.memento;
}
}