| 1 |
//---PACKAGE DECLARATION--- |
| 2 |
package uk.ac.ukc.iscream.core.loggers; |
| 3 |
|
| 4 |
//---IMPORTS--- |
| 5 |
import uk.ac.ukc.iscream.core.LoggerImpl; |
| 6 |
import uk.ac.ukc.iscream.core.Logger; |
| 7 |
import java.io.IOException; |
| 8 |
|
| 9 |
/** |
| 10 |
* The MultiLogger is just a gateway to both the ScreenLogger |
| 11 |
* and the FileLogger. |
| 12 |
* |
| 13 |
* @author $Author: tdb1 $ |
| 14 |
* @version $Id: MultiLogger.java,v 1.1 2000/11/20 18:35:18 tdb1 Exp $ |
| 15 |
*/ |
| 16 |
class MultiLogger implements LoggerImpl { |
| 17 |
|
| 18 |
//---FINAL ATTRIBUTES--- |
| 19 |
|
| 20 |
/** |
| 21 |
* The current CVS revision of this class |
| 22 |
*/ |
| 23 |
public final String REVISION = "$Revision: 1.1 $"; |
| 24 |
|
| 25 |
//---STATIC METHODS--- |
| 26 |
|
| 27 |
//---CONSTRUCTORS--- |
| 28 |
|
| 29 |
/** |
| 30 |
* Creates a new MultiLogger. |
| 31 |
*/ |
| 32 |
public MultiLogger() throws IOException { |
| 33 |
_screenlog = new ScreenLogger(); |
| 34 |
_filelog = new FileLogger(); |
| 35 |
write(this.toString(), Logger.SYSINIT, "started"); |
| 36 |
} |
| 37 |
|
| 38 |
//---PUBLIC METHODS--- |
| 39 |
|
| 40 |
/** |
| 41 |
* The write() method takes a message, formats it using the |
| 42 |
* formatLogLine() method, and then outputs it to the screen |
| 43 |
* using System.out.println(). The source is usually the |
| 44 |
* calling object, referenced by `this'. The method has been |
| 45 |
* made synchronized to avoid it being called by two different |
| 46 |
* objects and the output ending up merged on the screen. |
| 47 |
* |
| 48 |
* @param source A string representation of the calling object. |
| 49 |
* @param verbosity the verbosity of this message |
| 50 |
* @param message The text to be logged. |
| 51 |
*/ |
| 52 |
public synchronized void write(String source, int verbosity, String message) { |
| 53 |
_screenlog.write(source, verbosity, message); |
| 54 |
_filelog.write(source, verbosity, message); |
| 55 |
} |
| 56 |
|
| 57 |
/** |
| 58 |
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 59 |
* method to provide clean logging (every class should have this). |
| 60 |
* |
| 61 |
* @return the name of this class and its CVS revision |
| 62 |
*/ |
| 63 |
public String toString() { |
| 64 |
return this.getClass().getName() + "(" + REVISION.substring(11, REVISION.length() - 2) + ")"; |
| 65 |
} |
| 66 |
//---PRIVATE METHODS--- |
| 67 |
|
| 68 |
//---ACCESSOR/MUTATOR METHODS--- |
| 69 |
|
| 70 |
//---ATTRIBUTES--- |
| 71 |
|
| 72 |
/** |
| 73 |
* A reference to the ScreenLogger we'll use |
| 74 |
*/ |
| 75 |
private LoggerImpl _screenlog; |
| 76 |
|
| 77 |
/** |
| 78 |
* A reference to the FileLogger we'll use |
| 79 |
*/ |
| 80 |
private LoggerImpl _filelog; |
| 81 |
|
| 82 |
//---STATIC ATTRIBUTES--- |
| 83 |
|
| 84 |
} |
