001    /**
002     *   GRANITE DATA SERVICES
003     *   Copyright (C) 2006-2013 GRANITE DATA SERVICES S.A.S.
004     *
005     *   This file is part of the Granite Data Services Platform.
006     *
007     *   Granite Data Services is free software; you can redistribute it and/or
008     *   modify it under the terms of the GNU Lesser General Public
009     *   License as published by the Free Software Foundation; either
010     *   version 2.1 of the License, or (at your option) any later version.
011     *
012     *   Granite Data Services is distributed in the hope that it will be useful,
013     *   but WITHOUT ANY WARRANTY; without even the implied warranty of
014     *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
015     *   General Public License for more details.
016     *
017     *   You should have received a copy of the GNU Lesser General Public
018     *   License along with this library; if not, write to the Free Software
019     *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
020     *   USA, or see <http://www.gnu.org/licenses/>.
021     */
022    package org.granite.gravity.tomcat;
023    
024    import org.apache.catalina.CometEvent;
025    import org.apache.catalina.CometEvent.EventSubType;
026    import org.apache.catalina.CometEvent.EventType;
027    
028    /**
029     * @author Franck WOLFF
030     */
031    public class EventUtil {
032    
033        public static boolean isTimeout(CometEvent event) {
034            return (
035                event.getEventType() == EventType.ERROR &&
036                event.getEventSubType() == EventSubType.TIMEOUT
037            );
038        }
039    
040        public static boolean isError(CometEvent event) {
041            return (event.getEventType() == EventType.ERROR);
042        }
043    
044        public static boolean isErrorButNotTimeout(CometEvent event) {
045            return (
046                event.getEventType() == EventType.ERROR &&
047                event.getEventSubType() != EventSubType.TIMEOUT
048            );
049        }
050        
051        public static boolean isValid(CometEvent event) {
052            if (event != null) {
053                    try {
054                            return event.getHttpServletRequest() != null && event.getHttpServletResponse() != null;
055                    } catch (Exception e) {
056                    }
057            }
058            return false;
059        }
060    
061        public static String toString(CometEvent event) {
062            if (event == null)
063                    return "null";
064            try {
065                    return event.getClass().getName() + " [" + event.getEventType() + '.' + event.getEventSubType() + ']';
066            }
067            catch (Exception e) {
068                    return e.toString();
069            }
070        }
071    }