001/*
002  GRANITE DATA SERVICES
003  Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004
005  This file is part of Granite Data Services.
006
007  Granite Data Services is free software; you can redistribute it and/or modify
008  it under the terms of the GNU Library General Public License as published by
009  the Free Software Foundation; either version 2 of the License, or (at your
010  option) any later version.
011
012  Granite Data Services is distributed in the hope that it will be useful, but
013  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014  FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015  for more details.
016
017  You should have received a copy of the GNU Library General Public License
018  along with this library; if not, see <http://www.gnu.org/licenses/>.
019*/
020
021package org.granite.gravity.tomcat;
022
023import org.apache.catalina.CometEvent;
024import org.apache.catalina.CometEvent.EventSubType;
025import org.apache.catalina.CometEvent.EventType;
026
027/**
028 * @author Franck WOLFF
029 */
030public class EventUtil {
031
032    public static boolean isTimeout(CometEvent event) {
033        return (
034            event.getEventType() == EventType.ERROR &&
035            event.getEventSubType() == EventSubType.TIMEOUT
036        );
037    }
038
039    public static boolean isError(CometEvent event) {
040        return (event.getEventType() == EventType.ERROR);
041    }
042
043    public static boolean isErrorButNotTimeout(CometEvent event) {
044        return (
045            event.getEventType() == EventType.ERROR &&
046            event.getEventSubType() != EventSubType.TIMEOUT
047        );
048    }
049    
050    public static boolean isValid(CometEvent event) {
051        if (event != null) {
052                try {
053                        return event.getHttpServletRequest() != null && event.getHttpServletResponse() != null;
054                } catch (Exception e) {
055                }
056        }
057        return false;
058    }
059
060    public static String toString(CometEvent event) {
061        if (event == null)
062                return "null";
063        try {
064                return event.getClass().getName() + " [" + event.getEventType() + '.' + event.getEventSubType() + ']';
065        }
066        catch (Exception e) {
067                return e.toString();
068        }
069    }
070}