/*

* Licensed to the Apache Software Foundation (ASF) under one or more

* contributor license agreements. See the NOTICE file distributed with

* this work for additional information regarding copyright ownership.

* The ASF licenses this file to You under the Apache License, Version 2.0

* (the "License"); you may not use this file except in compliance with

* the License. You may obtain a copy of the License at

*

* http://www.apache.org/licenses/LICENSE-2.0

*

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License.

*/

package org.apache.jasper.el;

import java.util.Locale;

import javax.el.ELContext;

import javax.el.ELResolver;

import javax.el.FunctionMapper;

import javax.el.VariableMapper;

/**

* Simple ELContextWrapper for runtime evaluation of EL w/ dynamic FunctionMappers

*

* @author jhook

*/

public final class ELContextWrapper extends ELContext {

private final ELContext target;

private final FunctionMapper fnMapper;

public ELContextWrapper(ELContext target, FunctionMapper fnMapper) {

this.target = target;

this.fnMapper = fnMapper;

}

@Override

public ELResolver getELResolver() {

return this.target.getELResolver();

}

@Override

public FunctionMapper getFunctionMapper() {

if (this.fnMapper != null) return this.fnMapper;

return this.target.getFunctionMapper();

}

@Override

public VariableMapper getVariableMapper() {

return this.target.getVariableMapper();

}

@Override

public Object getContext(@SuppressWarnings("rawtypes") Class key) {

return this.target.getContext(key);

}

@Override

public Locale getLocale() {

return this.target.getLocale();

}

@Override

public boolean isPropertyResolved() {

return this.target.isPropertyResolved();

}

@Override

public void putContext(@SuppressWarnings("rawtypes") Class key,

Object contextObject) throws NullPointerException {

this.target.putContext(key, contextObject);

}

@Override

public void setLocale(Locale locale) {

this.target.setLocale(locale);

}

@Override

public void setPropertyResolved(boolean resolved) {

this.target.setPropertyResolved(resolved);

}

}