/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.picketlink.http.internal.util;
import javax.servlet.http.HttpServletRequest;
import static org.picketlink.config.http.InboundHeaderConfiguration.X_REQUESTED_WITH_AJAX;
import static org.picketlink.config.http.InboundHeaderConfiguration.X_REQUESTED_WITH_HEADER_NAME;
/**
* @author Pedro Igor
*/
public class RequestUtil {
/**
* <p>Checks if the given {@link javax.servlet.http.HttpServletRequest} was sent using AJAX. Most AJAX libraries
* send the <code>X-Requested-With</code> header with value <code>XMLHttpRequest</code> to indicate that AJAX is being used.</p>
*
* @param request the request.
* @return True if this is an AJAX request. Otherwise, false.
*/
public static boolean isAjaxRequest(HttpServletRequest request) {
String requestedWith = request.getHeader(X_REQUESTED_WITH_HEADER_NAME);
return requestedWith != null && X_REQUESTED_WITH_AJAX.equalsIgnoreCase(requestedWith);
}
}