| 1 | /* |
| 2 | * @(#) $Id: SlugCleaner.java,v 1.1.1.1 2006/03/19 06:09:42 rossen Exp $ |
| 3 | * |
| 4 | * Copyright (c) 2006, WebHydra.com |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions are met: |
| 9 | * |
| 10 | * * Redistributions of source code must retain the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer. |
| 12 | * * Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * * Neither the name of the WebHydra.com nor the names of its contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| 20 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| 23 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 30 | */ |
| 31 | |
| 32 | package com.webhydra.slug; |
| 33 | |
| 34 | import com.webhydra.slug.process.ISlugRunner; |
| 35 | import java.util.Iterator; |
| 36 | import javax.servlet.http.HttpSessionListener; |
| 37 | import javax.servlet.http.HttpSessionEvent; |
| 38 | |
| 39 | /** |
| 40 | * Session listener for orphant <code>SluggishProcess</code>es cleanup. |
| 41 | * Remove all <code>SluggishProcess</code>es related to current session. |
| 42 | * @author rossen |
| 43 | * @version |
| 44 | * |
| 45 | * Web application lifecycle listener. |
| 46 | */ |
| 47 | |
| 48 | public class SlugCleaner implements HttpSessionListener { |
| 49 | |
| 50 | /** |
| 51 | * Not implemented. |
| 52 | * Called when a session is created. |
| 53 | * @param evt session creation event. |
| 54 | */ |
| 55 | public void sessionCreated(HttpSessionEvent evt) { |
| 56 | // We are not interested in this event. |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Cleant all orphant SluggishProcess for this session |
| 61 | * Called when a session is destroyed(invalidated). |
| 62 | * @param evt session creation event. |
| 63 | */ |
| 64 | public void sessionDestroyed(HttpSessionEvent evt) { |
| 65 | String session = evt.getSession().getId(); |
| 66 | SlugConfig config = SlugConfig.getInstance(); |
| 67 | String [] runnerNames = config.getRunnerNames(); |
| 68 | for (int i = 0; i < runnerNames.length; i++) |
| 69 | { |
| 70 | ISlugRunner runner = config.getRunner(runnerNames[i]); |
| 71 | runner.cleanSession(session); |
| 72 | } |
| 73 | } |
| 74 | } |