Source Code Cross Referenced for JarCleanTask.java in  » J2EE » JOnAS-4.8.6 » org » objectweb » jonas_lib » deployment » work » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » J2EE » JOnAS 4.8.6 » org.objectweb.jonas_lib.deployment.work 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * JOnAS: Java(TM) Open Application Server
003:         * Copyright (C) 1999-2004 Bull S.A.
004:         * Contact: jonas-team@objectweb.org
005:         *
006:         * This library is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU Lesser General Public
008:         * License as published by the Free Software Foundation; either
009:         * version 2.1 of the License, or any later version.
010:         *
011:         * This library is distributed in the hope that it will be useful,
012:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014:         * Lesser General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU Lesser General Public
017:         * License along with this library; if not, write to the Free Software
018:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
019:         * USA
020:         *
021:         * Initial developer(s): Benoit PELLETIER
022:         * --------------------------------------------------------------------------
023:         * $Id: JarCleanTask.java 6673 2005-04-28 16:53:00Z benoitf $
024:         * --------------------------------------------------------------------------
025:         */package org.objectweb.jonas_lib.deployment.work;
026:
027:        import java.io.File;
028:        import java.net.MalformedURLException;
029:        import java.util.Vector;
030:
031:        import org.objectweb.jonas.container.EJBService;
032:        import org.objectweb.jonas.service.ServiceManager;
033:
034:        import org.objectweb.util.monolog.api.BasicLevel;
035:
036:        /**
037:         * JOnAS Jar unused copy clean task class. This class provides a way for
038:         * removing copies wich are unconsistent for jar files.
039:         * @author Florent BENOIT
040:         * @author Benoit PELLETIER
041:         */
042:        public class JarCleanTask extends AbsCleanTask {
043:
044:            /**
045:             * reference to the deployerLog
046:             */
047:            private static DeployerLog jarDeployerLog = null;
048:
049:            /**
050:             * Default constructor : Construct a new cleaner.
051:             * @param jarDeployerLog the deployer logger
052:             */
053:            public JarCleanTask(DeployerLog jarDeployerLog) {
054:                super ();
055:                JarCleanTask.jarDeployerLog = jarDeployerLog;
056:            }
057:
058:            /**
059:             * Return true if the work copy exists and is up to date
060:             * @param logEntry entry in a deploy log
061:             * @return true if the work copy exists and is up to date
062:             * @throws CleanerException if it fails
063:             */
064:            protected boolean isValidLogEntry(LogEntry logEntry)
065:                    throws CleanerException {
066:                String fTimeStamp = null;
067:                File jarOriginalFile = logEntry.getOriginal();
068:                File jarCopyFile = logEntry.getCopy();
069:
070:                if (getLogger().isLoggable(BasicLevel.DEBUG)) {
071:                    getLogger().log(BasicLevel.DEBUG,
072:                            "LogEntry exist :" + jarOriginalFile.exists());
073:                }
074:
075:                // if the file doesn't exist, return
076:                if (!jarOriginalFile.exists()) {
077:                    return false;
078:                }
079:
080:                //get the timestamp
081:                try {
082:                    fTimeStamp = FileManager.fileToTimeStampDir(jarOriginalFile
083:                            .toURL(), ".jar");
084:                } catch (FileManagerException efme) {
085:                    throw new CleanerException(
086:                            "Can't get the timestamp of the file "
087:                                    + jarOriginalFile + " : "
088:                                    + efme.getMessage());
089:                } catch (MalformedURLException mue) {
090:                    throw new CleanerException(
091:                            "Can't get the timestamp of the file "
092:                                    + jarOriginalFile + " : "
093:                                    + mue.getMessage());
094:                }
095:
096:                if (getLogger().isLoggable(BasicLevel.DEBUG)) {
097:                    getLogger().log(BasicLevel.DEBUG,
098:                            "LogEntry fTimeStamp :" + fTimeStamp);
099:                    getLogger().log(
100:                            BasicLevel.DEBUG,
101:                            "LogEntry isValid :"
102:                                    + fTimeStamp.equalsIgnoreCase(jarCopyFile
103:                                            .getName()));
104:                }
105:
106:                //compare
107:                return (fTimeStamp.equalsIgnoreCase(jarCopyFile.getName()));
108:
109:            }
110:
111:            /**
112:             * Remove the work copy specified in the log entry and the log entry
113:             * @param logEntry entry in a deploy log
114:             * @throws CleanerException if it fails
115:             */
116:            protected void removeLogEntry(LogEntry logEntry)
117:                    throws CleanerException {
118:                // it's a file but this should work
119:                removeRecursiveDirectory(logEntry.getCopy());
120:
121:                try {
122:                    jarDeployerLog.removeEntry(logEntry);
123:                } catch (DeployerLogException edle) {
124:                    throw new CleanerException("Can't remove an entry"
125:                            + edle.getMessage());
126:                }
127:
128:            }
129:
130:            /**
131:             * Gets the log entries
132:             * @return the log entries
133:             */
134:            protected Vector getLogEntries() {
135:                return jarDeployerLog.getEntries();
136:            }
137:
138:            /**
139:             * Check if the package pointed by the log entry is currently deploy
140:             * @param logEntry entry in a deploy log
141:             * @return true if the package pointed by the log entry is currently deployed
142:             * @throws CleanerException if it fails
143:             */
144:            protected boolean isDeployLogEntry(LogEntry logEntry)
145:                    throws CleanerException {
146:
147:                // get the ejbjar service
148:                ServiceManager sm = null;
149:
150:                try {
151:                    sm = ServiceManager.getInstance();
152:                } catch (Exception e) {
153:                    throw new CleanerException(
154:                            "Cannot get ServiceManager instance");
155:                }
156:                EJBService ejbService = (EJBService) sm.getEjbService();
157:
158:                // check if the jar file is deployed
159:                return ejbService.isJarDeployedByWorkName(logEntry.getCopy()
160:                        .getName());
161:
162:            }
163:        }
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