/*
* Copyright (c) 1998-2011 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.jsp.el;
import com.caucho.el.ExpressionFactoryImpl;
import com.caucho.inject.Module;
import com.caucho.server.webapp.WebApp;
import javax.el.ELContext;
import javax.el.ELException;
import javax.el.ExpressionFactory;
import javax.el.MethodExpression;
import javax.el.ValueExpression;
/**
* Represents an EL expression factory
*/
@Module class JspExpressionFactoryImpl extends ExpressionFactory {
private final JspApplicationContextImpl _jspApplicationContext;
private final ExpressionFactory _factory;
public JspExpressionFactoryImpl(JspApplicationContextImpl jspApplicationContext)
{
_jspApplicationContext = jspApplicationContext;
// _factory = ExpressionFactory.newInstance();
_factory = new ExpressionFactoryImpl();
}
public Object coerceToType(Object obj, Class<?> targetType)
throws ELException
{
return _factory.coerceToType(obj, targetType);
}
public MethodExpression
createMethodExpression(ELContext context,
String expression,
Class<?> expectedReturnType,
Class<?>[] expectedParamTypes)
throws ELException
{
return _factory.createMethodExpression(context,
expression,
expectedReturnType,
expectedParamTypes);
}
public ValueExpression
createValueExpression(ELContext context,
String expression,
Class<?> expectedType)
throws ELException
{
return _factory.createValueExpression(context, expression, expectedType);
}
public ValueExpression
createValueExpression(Object instance,
Class<?> expectedType)
throws ELException
{
return _factory.createValueExpression(instance, expectedType);
}
public String toString()
{
WebApp webApp = null;
if (_jspApplicationContext != null)
webApp = _jspApplicationContext.getWebApp();
return "JspExpressionFactoryImpl["
+ webApp
+ ", "
+ _factory.getClass().getName()
+ "]";
}
}