/*
* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
* Copyright 2009 Jason Mehrens. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import java.util.logging.*;
import java.text.DateFormat;
import java.util.Date;
/**
* A compact formatter used to summarize an error report.
* @author Jason Mehrens
*/
public class SummaryFormatter
extends Formatter {
private long oldest;
private long newest;
private long count;
public SummaryFormatter() {
reset();
}
if (record.getThrown() != null) {
data = record.getLevel() + " with detail." + newLine();
} else {
data = record.getLevel() + " with no detail." + newLine();
}
track(record.getMillis());
return data;
}
try {
if (count > 0L) {
return formatNow();
}
return "";
} finally {
reset();
}
}
public synchronized String toString
() {
return formatNow();
}
assert Thread.
holdsLock(this);
return newLine() + "These " + count + " messages occured between " +
f.
format(new Date(oldest
)) +
" and " +
f.
format(new Date(newest
));
}
private synchronized void track(long time) {
count++;
this.
oldest =
Math.
min(this.
oldest, time
);
this.
newest =
Math.
max(this.
newest, time
);
}
private synchronized void reset() {
this.count = 0L;
this.
oldest =
Long.
MAX_VALUE;
this.
newest =
Long.
MIN_VALUE;
}
private static String newLine
() {
return "\n";
}
}