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/**
* BlueCove - Java library for Bluetooth
* Copyright (C) 2006-2007 Vlad Skarzhevskyy
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
* @author vlads
* @version $Id$
*/
package org.bluecove.tester.log;

import java.util.Enumeration;
import java.util.Vector;

import org.bluecove.tester.util.StringUtils;
import org.bluecove.tester.util.TimeUtils;

public class Logger {

public final static int DEBUG = 1;

public final static int INFO = 2;

public final static int WARN = 3;

public final static int ERROR = 4;

public static boolean logTimeStamp = false;

private static Vector loggerAppenders = new Vector();

private static void systemOutTimeStamp() {
if (logTimeStamp) {
System.out.print(TimeUtils.timeStampNowToString());
System.out.print(" ");
}
}

/**
* We want to ingore Error when writing to console on Windows. e.g. java.lang.NullPointerException at
* java.io.PrintStream.write(Unknown Source)
*/
public static void debug(String message) {
try {
systemOutTimeStamp();
System.out.println(message);
} catch (Throwable ignore) {
}
callAppenders(DEBUG, message, null);
}

public static void debug(String message, String data) {
debug(message + " " + data);
}

public static void debug(String message, int data) {
debug(message, String.valueOf(data));
}

public static void debug(String message, boolean data) {
debug(message, ((data) ? "true" : "false"));
}

public static void debug(String message, byte[] data) {
debug(message, data, 0, (data == null) ? 0 : data.length);
}

public static void debug(String message, byte[] data, int off, int len) {
StringBuffer buf = new StringBuffer(message);
if (data == null) {
buf.append(" null byte[]");
} else {
buf.append(" [");
for (int i = off; i < off + len; i++) {
if (i != off) {
buf.append(", ");
}
buf.append((new Byte(data[i])).toString());
}
buf.append("]");
if (len > 4) {
buf.append(" ").append(len);
}
}
try {
systemOutTimeStamp();
System.out.println(buf.toString());
} catch (Throwable ignore) {
}
callAppenders(DEBUG, buf.toString(), null);
}

public static void debug(String message, Throwable t) {
try {
systemOutTimeStamp();
System.out.println(message);
} catch (Throwable ignore) {
}
callAppenders(DEBUG, message, t);
}

public static void info(String message) {
try {
systemOutTimeStamp();
System.out.println(message);
} catch (Throwable ignore) {
}
callAppenders(INFO, message, null);
}

public static void warn(String message) {
try {
systemOutTimeStamp();
System.out.println(message);
} catch (Throwable ignore) {
}
callAppenders(WARN, message, null);
}

public static void error(String message, Throwable t) {
try {
systemOutTimeStamp();
System.out.println("error " + message + " " + t);
if (t != null) {
t.printStackTrace();
}
} catch (Throwable ignore) {
}
callAppenders(ERROR, message, t);
}

public static void error(String message) {
try {
systemOutTimeStamp();
System.out.println("error " + message);
} catch (Throwable ignore) {
}
callAppenders(ERROR, message, null);
}

public static void addAppender(LoggerAppender newAppender) {
loggerAppenders.addElement(newAppender);
}

public static void removeAppender(LoggerAppender newAppender) {
loggerAppenders.removeElement(newAppender);
}

private static void callAppenders(int level, String message, Throwable throwable) {
for (Enumeration iter = loggerAppenders.elements(); iter.hasMoreElements();) {
LoggerAppender a = (LoggerAppender) iter.nextElement();
a.appendLog(level, message, throwable);
}
}

public static void runGarbageCollector() {
Runtime runtime = Runtime.getRuntime();
long initialFree = runtime.freeMemory();
runtime.gc();
try {
Thread.sleep(500);
} catch (InterruptedException e) {
return;
}
long free = runtime.freeMemory();
long total = runtime.totalMemory();
Logger.info("Mem Total " + StringUtils.formatLong(total));
Logger.info("Mem Used " + StringUtils.formatLong(total - free));
Logger.info("Mem GC " + StringUtils.formatLong(free - initialFree));
}
}

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Change log

r2655 by skarzhevskyy on Dec 24, 2008   Diff
minimize memory usage
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Older revisions

r2652 by skarzhevskyy on Dec 23, 2008   Diff
log memory
r2611 by skarzhevskyy on Dec 17, 2008   Diff
adding rms
r2607 by skarzhevskyy on Dec 17, 2008   Diff
OBEX tests in J2ME
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