Clover coverage report - Alipes Project - 0.1
Coverage timestamp: Sat Sep 10 2005 21:25:58 BST
Overview   Package   File
    FRAMES   NO FRAMES  
file stats: LOC: 151   Methods: 3
NCLOC: 94   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
DirChangeEmailAlerter.java 0% 0% 0% 0%
coverage
 1    /*
 2    * $Id: DirChangeEmailAlerter.java,v 1.7 2004/07/19 14:03:25 johndavidtaylor Exp $
 3    * johndavidtaylor Exp $ Created on Mar 10, 2004 by John Taylor jdt@roe.ac.uk .
 4    */
 5    package org.abraracourcix.alipes.alerters;
 6    import java.io.File;
 7    import java.io.FileFilter;
 8    import java.io.FileInputStream;
 9    import java.io.IOException;
 10    import java.util.Properties;
 11   
 12    import org.abraracourcix.alipes.common.RegExpCreator;
 13    import org.abraracourcix.alipes.common.RegExpFileFilter;
 14    import org.abraracourcix.alipes.listeners.Listener;
 15    import org.abraracourcix.alipes.listeners.email.SelectiveEmailListener;
 16    import org.abraracourcix.alipes.listeners.filter.EventFilterListener;
 17    import org.abraracourcix.alipes.monitors.file.DirectoryFileStateMonitor;
 18    import org.abraracourcix.alipes.monitors.file.FileEvent;
 19    /**
 20    * Takes a directory, a filter, a stale interval, and watches those files to
 21    * see if they're deleted/stale/created or change. Sends an email if so.
 22    *
 23    * @author jdt
 24    */
 25    public final class DirChangeEmailAlerter {
 26    /**
 27    * Commons logger
 28    */
 29    private static final org.apache.commons.logging.Log log =
 30    org.apache.commons.logging.LogFactory.getLog(
 31    DirChangeEmailAlerter.class);
 32    /**
 33    * Hide public Constructor
 34    */
 35  0 private DirChangeEmailAlerter() {
 36    }
 37    /**
 38    * Set the wheels in motion
 39    *
 40    * @param args staletime(seconds) directory wildcards
 41    * @throws InterruptedException if you hit ctrl-C
 42    * @throws IOException if there's a prob finding the files
 43    */
 44  0 public static void main(final String[] args)
 45    throws IOException {
 46  0 if (args.length !=2 && args.length!=3) {
 47  0 giveHelp();
 48  0 return;
 49    }
 50  0 final String interval = args[0];
 51  0 final File dir = new File(args[1]);
 52  0 final String wildcard = args.length==2? "*" : args[2];
 53   
 54   
 55  0 log.debug("Monitoring files matching "+wildcard+" in "+dir+" with a stale interval of "+interval);
 56  0 if (!(dir.exists())) {
 57  0 throw new IOException("Directory " + dir + " does not exist");
 58    }
 59  0 if (!(dir.isDirectory())) {
 60  0 throw new IOException(dir + " is not a directory");
 61    }
 62  0 final FileFilter fileFilter =
 63    new RegExpFileFilter(RegExpCreator.getRegExp(wildcard), null);
 64  0 int intervalSecs;
 65  0 try {
 66  0 intervalSecs = Integer.parseInt(interval);
 67    } catch (NumberFormatException nfe) {
 68  0 throw new NumberFormatException("1st argument must be an integer number of seconds ");
 69    }
 70  0 System.out.println("Ctrl-C when you're bored");
 71   
 72    // The final destination for any events
 73  0 Properties emailConfig= new Properties();
 74  0 emailConfig.load(new FileInputStream(new File("email.properties")));
 75  0 String smtpServer = emailConfig.getProperty("smtpServer");
 76  0 String user = emailConfig.getProperty("user");
 77  0 String password = emailConfig.getProperty("password");
 78  0 String returnAddress = emailConfig.getProperty("returnAddress");
 79  0 if (smtpServer==null || user ==null || password==null || returnAddress==null) {
 80  0 throw new IOException("You must set smtpServer, user, password and and returnAddress in email.properties ");
 81    }
 82  0 final Listener lastListener = new SelectiveEmailListener(smtpServer,user,password,returnAddress);
 83   
 84    //final Listener lastListener = new ConsoleListener();
 85  0 final FileEvent[] interestingEvents =
 86    { FileEvent.CREATED, FileEvent.DELETED, FileEvent.GONE_STALE };
 87    //after they've been filtered
 88  0 final Listener filter =
 89    new EventFilterListener(
 90    lastListener,
 91    interestingEvents,
 92    EventFilterListener.FilterType.INCLUDED);
 93  0 final int pollFrequency = 300; //in seconds
 94    //and their source
 95  0 final DirectoryFileStateMonitor mon =
 96    new DirectoryFileStateMonitor(
 97    filter,
 98    pollFrequency,
 99    dir,
 100    fileFilter);
 101  0 mon.setStaleInterval(intervalSecs);
 102  0 mon.start();
 103  0 while(true) {
 104  0 try {
 105  0 Thread.sleep(365 * 24 * 60 * 60 * 1000);
 106    //wait forever, well a year anyway
 107    } catch (InterruptedException e) {
 108    // do nothing
 109    }
 110    }
 111    }
 112    /**
 113    *
 114    */
 115  0 private static void giveHelp() {
 116  0 System.out.println(
 117    "Usage:\n java -jar your_uber_jar_here.jar staleInt dir (wildcard)");
 118  0 System.out.println("where:");
 119  0 System.out.println(
 120    "wildcard is the usual file wildcard text\n"
 121    + "staleInt is the time in seconds before a file is considered stale\n"
 122    + "and dir is the directory you wish to monitor");
 123  0 System.out.println("You may need to enclose the wildcard in single quotes to" +
 124    "protext it from the operating system");
 125  0 System.out.println();
 126  0 System.out.println("Other things to know:\n");
 127  0 System.out.println("A file named email.properties is required, giving the config details of your email server.\n");
 128  0 System.out.println("The file email.txt uses standard file wildcards to direct emails to different recipients according to the filename.\n");
 129  0 System.out.println("You may change the text of the emails by editing the Velocity templates subject.vm and message.vm\n");
 130    }
 131    }
 132    /*
 133    * $Log: DirChangeEmailAlerter.java,v $
 134    * Revision 1.7 2004/07/19 14:03:25 johndavidtaylor
 135    * try to ensure it doesn't just stop of its own accord
 136    *
 137    * Revision 1.6 2004/06/19 13:04:44 johndavidtaylor
 138    * Brought build up to scratch
 139    *
 140    * Revision 1.5 2004/06/03 16:52:47 johndavidtaylor
 141    * Now gets email config from a properties file.
 142    *
 143    * Revision 1.4 2004/06/03 16:31:13 johndavidtaylor
 144    * Enabled email rather than console
 145    *
 146    * Revision 1.3 2004/06/03 15:50:25 johndavidtaylor
 147    * Refactored DirChangeFileStateMonitor's behaviour when
 148    * the directory it monitors disappears. Wired up the DirChangeEmailAlerter.
 149    * Revision 1.2 2004/05/04 11:36:19
 150    * johndavidtaylor *** empty log message ***
 151    */
 
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