/*
* Copyright (c) 1998-2010 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config;
import com.caucho.el.StackELResolver;
import com.caucho.el.SystemPropertiesResolver;
import com.caucho.config.el.WebBeansContextResolver;
import com.caucho.config.el.ConfigContextResolver;
import javax.el.*;
/**
* Creates a variable resolver based on the classloader.
*/
public class ConfigELContext extends ELContext {
public static final ConfigELContext EL_CONTEXT;
private static final StackELResolver _stackResolver;
private ELResolver _resolver = _stackResolver;
/**
* Creates the resolver
*/
public ConfigELContext()
{
}
/**
* Creates the resolver
*/
public ConfigELContext(ELResolver resolver)
{
_resolver = new StackELResolver(resolver, _resolver);
}
@Override
public ELResolver getELResolver()
{
return _resolver;
}
@Override
public FunctionMapper getFunctionMapper()
{
return null;
}
@Override
public VariableMapper getVariableMapper()
{
return null;
}
public String toString()
{
return "ConfigELContext[]";
}
static {
_stackResolver = new StackELResolver();
_stackResolver.push(new BeanELResolver());
_stackResolver.push(new ArrayELResolver());
_stackResolver.push(new MapELResolver());
_stackResolver.push(new ListELResolver());
_stackResolver.push(new SystemPropertiesResolver());
_stackResolver.push(new ConfigPropertiesResolver());
_stackResolver.push(new WebBeansContextResolver());
_stackResolver.push(new ConfigContextResolver());
EL_CONTEXT = new ConfigELContext();
}
}