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base: fabian/JavaUtils:f514e1c6f8f8b0538234eff7cbe6dae0040cd49c
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fabian/JavaUtils:master
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compare: fabian/JavaUtils:master
Branches Tags
fabian/JavaUtils:master

3 Commits
f514e1c6f8 ... master

Author SHA1 Message Date
fszimnau d2787cb76d streamlined logging 
- log via logger, if stdout, just wrap in Handler
- logger instance property since handlers are being removed/ added
- java bundled logger uses MessageFormat, so add indexes in curly braces
 2025-10-16 12:37:48 +02:00
fszimnau 13c783a762 enabled easier/ custom creation of loggers 2025-10-01 11:47:44 +02:00
fszimnau d881edd247 simplified custom Logger implementation while expanding its capabilities 
to all of the ones of the java.util.logging.Logger by extending from it
 2025-10-01 11:41:42 +02:00
1 changed files with 36 additions and 132 deletions
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FabianUtil.java
+35 -131
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@@ -11,8 +11,10 @@ import java.time.Duration;
import java.time.ZonedDateTime;
import java.time.temporal.ChronoUnit;
import java.util.concurrent.TimeUnit;
import java.util.function.Supplier;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.SimpleFormatter;
import java.util.logging.StreamHandler;
@SuppressWarnings("unused")
public class FabianUtil {
@@ -31,180 +33,101 @@ public class FabianUtil {
private FabianUtil() {}
public static class Logger {
public static class Logger extends java.util.logging.Logger {
private final java.util.logging.Logger logger;
protected Logger(Class<?> clazz) {
public Logger(Class<?> clazz) {
this(java.util.logging.Logger.getLogger(clazz.getName()));
}
protected Logger(java.util.logging.Logger logger) {
this.logger = logger;
}
public boolean isLoggable(Level level) {
return logger.isLoggable(level);
}
public void severe(String msg) {
logger.severe(msg);
public Logger(java.util.logging.Logger logger) {
super(logger.getName(), logger.getResourceBundleName());
}
public void severe(String msg, Object param) {
logger.log(Level.SEVERE, msg, param);
log(Level.SEVERE, msg, param);
}
public void severe(String msg, Object... params) {
logger.log(Level.SEVERE, msg, params);
}
public void severe(Supplier<String> msgSupplier) {
logger.severe(msgSupplier);
}
public void warning(String msg) {
logger.warning(msg);
log(Level.SEVERE, msg, params);
}
public void warning(String msg, Object param) {
logger.log(Level.WARNING, msg, param);
log(Level.WARNING, msg, param);
}
public void warning(String msg, Object... params) {
logger.log(Level.WARNING, msg, params);
}
public void warning(Supplier<String> msgSupplier) {
logger.warning(msgSupplier);
}
public void info(String msg) {
logger.info(msg);
log(Level.WARNING, msg, params);
}
public void info(String msg, Object param) {
logger.log(Level.INFO, msg, param);
log(Level.INFO, msg, param);
}
public void info(String msg, Object... params) {
logger.log(Level.INFO, msg, params);
}
public void info(Supplier<String> msgSupplier) {
logger.info(msgSupplier);
}
public void config(String msg) {
logger.config(msg);
log(Level.INFO, msg, params);
}
public void config(String msg, Object param) {
logger.log(Level.CONFIG, msg, param);
log(Level.CONFIG, msg, param);
}
public void config(String msg, Object... params) {
logger.log(Level.CONFIG, msg, params);
}
public void config(Supplier<String> msgSupplier) {
logger.config(msgSupplier);
}
public void fine(String msg) {
logger.fine(msg);
log(Level.CONFIG, msg, params);
}
public void fine(String msg, Object param) {
logger.log(Level.FINE, msg, param);
log(Level.FINE, msg, param);
}
public void fine(String msg, Object... params) {
logger.log(Level.FINE, msg, params);
}
public void fine(Supplier<String> msgSupplier) {
logger.fine(msgSupplier);
}
public void finer(String msg) {
logger.finer(msg);
log(Level.FINE, msg, params);
}
public void finer(String msg, Object param) {
logger.log(Level.FINER, msg, param);
log(Level.FINER, msg, param);
}
public void finer(String msg, Object... params) {
logger.log(Level.FINER, msg, params);
}
public void finer(Supplier<String> msgSupplier) {
logger.finer(msgSupplier);
}
public void finest(String msg) {
logger.finest(msg);
log(Level.FINER, msg, params);
}
public void finest(String msg, Object param) {
logger.log(Level.FINEST, msg, param);
log(Level.FINEST, msg, param);
}
public void finest(String msg, Object... params) {
logger.log(Level.FINEST, msg, params);
}
public void finest(Supplier<String> msgSupplier) {
logger.finest(msgSupplier);
log(Level.FINEST, msg, params);
}
}
public static class ProgressHandler {
private static final Logger LOG = new Logger(ProgressHandler.class);
private static final DecimalFormat TIME_DECIMAL_FORMAT = new DecimalFormat("00");
protected static final int DEFAULT_LOG_DISTANCE = 50;
protected static final int DEFAULT_TIME_LOG_DISTANCE = 15;
protected final Logger log;
private final ZonedDateTime startTime;
private final BigDecimal logDistance;
private final int timeLogDistance;
private BigDecimal counter = BigDecimal.ZERO;
private ZonedDateTime lastLoggedAt;
protected final PrintStream printer;
public ProgressHandler() {
@@ -222,11 +145,17 @@ public class FabianUtil {
}
public ProgressHandler(int logDistance, int timeLogDistance, PrintStream printer) {
public ProgressHandler(int logDistance, int timeLogDistance, OutputStream printer) {
startTime = ZonedDateTime.now();
this.logDistance = validateBD(logDistance, "Log-Distanz");
this.timeLogDistance = validateInt(timeLogDistance, "Zeitbasierte Log-Distanz");
this.printer = printer;
log = new Logger(getClass());
if (printer != null) {
for (Handler handler : log.getHandlers()) {
log.removeHandler(handler);
}
log.addHandler(new StreamHandler(printer, new SimpleFormatter()));
}
}
@@ -243,11 +172,6 @@ public class FabianUtil {
}
protected Logger logger() {
return LOG;
}
protected final synchronized BigDecimal counter() {
return counter;
}
@@ -283,7 +207,7 @@ public class FabianUtil {
protected synchronized boolean shouldLog() {
return (printer != null || logger().isLoggable(Level.INFO)) && (counter.remainder(logDistance).signum() == 0 || isBored());
return log.isLoggable(Level.INFO) && (counter.remainder(logDistance).signum() == 0 || isBored());
}
@@ -300,11 +224,7 @@ public class FabianUtil {
public synchronized void log() {
Duration timePassed = getTimePassed();
if (printer != null) {
printer.println(counter + " Stück erledigt. " + formatDuration(timePassed) + " vergangen.");
} else {
logger().info("{} Stück erledigt. {} vergangen.", counter, formatDuration(timePassed));
}
log.info("{0} Stück erledigt. {1} vergangen.", counter, formatDuration(timePassed));
updateLastLoggedAt();
}
@@ -331,18 +251,13 @@ public class FabianUtil {
public synchronized void logFinal() {
Duration timePassed = getTimePassed();
if (printer != null) {
printer.println(counter + " Stück (100 %) erledigt. " + formatDuration(timePassed) + " vergangen.");
} else {
logger().info("{} Stück (100 %) erledigt. {} vergangen.", counter, formatDuration(timePassed));
}
log.info("{0} Stück (100 %) erledigt. {1} vergangen.", counter, formatDuration(timePassed));
}
}
public static class ProgressHandlerWithTotal extends ProgressHandler {
private static final Logger LOG = new Logger(ProgressHandlerWithTotal.class);
private static final DecimalFormat PERCENTAGE_FORMAT = new DecimalFormat("00.00");
private static final BigDecimal ONE_HUNDRED_PERCENT = BigDecimal.valueOf(100);
@@ -364,18 +279,12 @@ public class FabianUtil {
}
public ProgressHandlerWithTotal(int logDistance, int timeLogDistance, int total, PrintStream printer) {
public ProgressHandlerWithTotal(int logDistance, int timeLogDistance, int total, OutputStream printer) {
super(logDistance, timeLogDistance, printer);
this.total = validateBD(total, "Gesamt-Anzahl");
}
@Override
protected Logger logger() {
return LOG;
}
@Override
protected synchronized boolean shouldLog() {
return super.shouldLog() && counter().compareTo(total) <= 0;
@@ -398,13 +307,8 @@ public class FabianUtil {
}
String counterPrint = total.compareTo(BigDecimal.TEN) >= 0 ? formatNumber(counter) : counter.toString();
if (printer != null) {
printer.println(counterPrint + " Stück von " + total + " (" + PERCENTAGE_FORMAT.format(percentage) + " %) erledigt. "
+ formatDuration(timePassed) + " vergangen" + remainingTimePart + ".");
} else {
logger().info("{} Stück von {} ({} %) erledigt. {} vergangen{}.",
log.info("{0} Stück von {1} ({2} %) erledigt. {3} vergangen{4}.",
counterPrint, total, PERCENTAGE_FORMAT.format(percentage), formatDuration(timePassed), remainingTimePart);
}
updateLastLoggedAt();
}