com.caucho.rewrite.IfLocale Maven / Gradle / Ivy
/*
* Copyright (c) 1998-2018 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.rewrite;
import com.caucho.config.ConfigException;
import com.caucho.config.Configurable;
import com.caucho.util.L10N;
import java.util.Locale;
import java.util.regex.Pattern;
import javax.annotation.PostConstruct;
import javax.servlet.http.HttpServletRequest;
/**
* Match if the request's locale matches an expression.
*
*
* <resin:Allow url-pattern="/admin/*">
* xmlns:resin="urn:java:com.caucho.resin">
* <resin:IfLocale value="fr"/>
* </resin:Allow>
*
*
* RequestPredicates may be used for security and rewrite actions.
*/
@Configurable
public class IfLocale implements RequestPredicate
{
private static final L10N L = new L10N(IfLocale.class);
private Pattern _regexp;
/**
* The locale value to test against
*/
@Configurable
public void setValue(Pattern regexp)
{
_regexp = regexp;
}
@PostConstruct
public void init()
{
if (_regexp == null)
throw new ConfigException(L.l("'value' is a required attribute for {0}",
getClass().getSimpleName()));
}
/**
* True if the predicate matches.
*
* @param request the servlet request to test
*/
@Override
public boolean isMatch(HttpServletRequest request)
{
Locale locale = request.getLocale();
if (locale == null)
return false;
else
return _regexp.matcher(locale.toString()).find();
}
}