/*
* 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 Sam
*/
package com.caucho.server.rewrite;
import com.caucho.el.ELParser;
import com.caucho.el.Expr;
import com.caucho.util.L10N;
import javax.el.ELContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* A {@link RewriteDispatch} condition that is an el expression.
*/
public class ExprCondition
extends AbstractCondition
{
private static final L10N L = new L10N(ExprCondition.class);
private Expr _expr;
public ExprCondition(String expr)
{
ELContext elContext = new RewriteELContext();
_expr = new ELParser(elContext, expr).parse();
}
public String getTagName()
{
return "expr";
}
public boolean isMatch(HttpServletRequest request,
HttpServletResponse response)
{
return _expr.evalBoolean(new RewriteELContext());
}
}