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- Made attributes private, formatter final. 

- Added FIXME, added some Javadocs.


git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150819 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Otis Gospodnetic 2002-09-14 23:55:41 +00:00
parent 21ec179316
commit 8ba01b18ad
1 changed files with 39 additions and 27 deletions
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66
sandbox/contributions/webcrawler-LARM/src/de/lanlab/larm/util/SimpleLogger.java
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@ -59,24 +59,47 @@ import java.util.*;
import java.text.*; import java.text.*;
/** /**
* this class is only used for SPEED. Its log function is not thread safe by * This class is only used for SPEED. Its log function is not thread safe by
* default. * default.
* It uses a BufferdWriter. * It uses a BufferdWriter.
* It registers with a logger manager, which can be used to flush several loggers * It registers with a logger manager, which can be used to flush several loggers
* at once * at once.
* @todo: including the date slows down a lot * @todo: including the date slows down a lot
* * @version $Id$
*/ */
public class SimpleLogger public class SimpleLogger
{ {
private SimpleDateFormat formatter = new SimpleDateFormat ("HH:mm:ss:SSSS"); private final SimpleDateFormat formatter = new SimpleDateFormat ("HH:mm:ss:SSSS");
Writer logFile; private Writer logFile;
StringBuffer buffer = new StringBuffer(1000); private StringBuffer buffer = new StringBuffer(1000);
long startTime = System.currentTimeMillis(); private long startTime = System.currentTimeMillis();
boolean includeDate; private boolean includeDate;
private boolean flushAtOnce = false;
/**
* Creates a new <code>SimpleLogger</code> instance.
*
* @param name a <code>String</code> value
*/
public SimpleLogger(String name)
{
init(name, true);
}
/**
* Creates a new <code>SimpleLogger</code> instance.
*
* @param name a <code>String</code> value
* @param includeDate a <code>boolean</code> value
*/
public SimpleLogger(String name, boolean includeDate)
{
init(name, includeDate);
}
public void setStartTime(long startTime) public void setStartTime(long startTime)
{ {
@ -98,13 +121,13 @@ public class SimpleLogger
try try
{ {
buffer.setLength(0); buffer.setLength(0);
if(includeDate) if (includeDate)
{ {
buffer.append(formatter.format(new Date())).append(": ").append(System.currentTimeMillis()-startTime).append(" ms: "); buffer.append(formatter.format(new Date())).append(": ").append(System.currentTimeMillis()-startTime).append(" ms: ");
} }
buffer.append(text).append("\n"); buffer.append(text).append("\n");
logFile.write(buffer.toString()); logFile.write(buffer.toString());
if(flushAtOnce) if (flushAtOnce)
{ {
logFile.flush(); logFile.flush();
} }
@ -120,23 +143,11 @@ public class SimpleLogger
t.printStackTrace(new PrintWriter(logFile)); t.printStackTrace(new PrintWriter(logFile));
} }
boolean flushAtOnce = false;
public void setFlushAtOnce(boolean flush) public void setFlushAtOnce(boolean flush)
{ {
this.flushAtOnce = flush; this.flushAtOnce = flush;
} }
public SimpleLogger(String name)
{
init(name, true);
}
public SimpleLogger(String name, boolean includeDate)
{
init(name, includeDate);
}
public void flush() throws IOException public void flush() throws IOException
{ {
logFile.flush(); logFile.flush();
@ -146,13 +157,14 @@ public class SimpleLogger
{ {
try try
{ {
logFile = new BufferedWriter(new FileWriter("logs/" + name + ".log")); // FIXME: the logs directory needs to be configurable
SimpleLoggerManager.getInstance().register(this); logFile = new BufferedWriter(new FileWriter("logs/" + name + ".log"));
SimpleLoggerManager.getInstance().register(this);
} }
catch(IOException e) catch (IOException e)
{ {
System.out.println("IOException while creating logfile " + name + ":"); System.out.println("IOException while creating logfile " + name + ":");
e.printStackTrace(); e.printStackTrace();
} }
} }
} }