git-svn-id: http://minlog.googlecode.com/svn/trunk@5 4aeaecc2-aa77-11de-b6f4-e1be98fab775
This commit is contained in:
nathan.sweet
parent
543a014b53
commit
bec135b71d
|
|
@ -0,0 +1,6 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<classpath>
|
||||
<classpathentry kind="src" path="src"/>
|
||||
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
|
||||
<classpathentry kind="output" path="bin"/>
|
||||
</classpath>
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<projectDescription>
|
||||
<name>minlog</name>
|
||||
<comment></comment>
|
||||
<projects>
|
||||
</projects>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.jdt.core.javabuilder</name>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.jdt.core.javanature</nature>
|
||||
</natures>
|
||||
</projectDescription>
|
||||
|
|
@ -0,0 +1,222 @@
|
|||
|
||||
package com.esotericsoftware.minlog;
|
||||
|
||||
import java.io.PrintWriter;
|
||||
import java.io.StringWriter;
|
||||
import java.util.Date;
|
||||
|
||||
/**
|
||||
* A low overhead, lightweight logging system.
|
||||
* @author Nathan Sweet <misc@n4te.com>
|
||||
*/
|
||||
public class Log {
|
||||
/** No logging at all. */
|
||||
static public final int LEVEL_NONE = 6;
|
||||
/** Critical errors. The application may no longer work correctly. */
|
||||
static public final int LEVEL_ERROR = 5;
|
||||
/** Important warnings. The application will continue to work correctly. */
|
||||
static public final int LEVEL_WARN = 4;
|
||||
/** Informative messages. This level should only log messages that are generally always somewhat useful to see. */
|
||||
static public final int LEVEL_INFO = 3;
|
||||
/** Debug messages. This level is useful during development. */
|
||||
static public final int LEVEL_DEBUG = 2;
|
||||
/** Trace messages. A lot of information is logged, so this level is usually only needed when debugging a problem. */
|
||||
static public final int LEVEL_TRACE = 1;
|
||||
|
||||
/**
|
||||
* The level of messages that will be logged. Compiling as "final" will cause the compiler to remove all "if (Log.info) ..."
|
||||
* type statements below the set level.
|
||||
*/
|
||||
static private final int level = LEVEL_TRACE;
|
||||
|
||||
/** True when the ERROR level will be logged. */
|
||||
static public final boolean ERROR = level <= LEVEL_ERROR;
|
||||
/** True when the WARN level will be logged. */
|
||||
static public final boolean WARN = level <= LEVEL_WARN;
|
||||
/** True when the INFO level will be logged. */
|
||||
static public final boolean INFO = level <= LEVEL_INFO;
|
||||
/** True when the DEBUG level will be logged. */
|
||||
static public final boolean DEBUG = level <= LEVEL_DEBUG;
|
||||
/** True when the TRACE level will be logged. */
|
||||
static public final boolean TRACE = level <= LEVEL_TRACE;
|
||||
|
||||
/**
|
||||
* Sets the level to log. If a version of this class is being used that has a final log level, this has no affect.
|
||||
*/
|
||||
static public void set (int level) {
|
||||
// Log.level = level;
|
||||
// ERROR = level <= LEVEL_ERROR;
|
||||
// WARN = level <= LEVEL_WARN;
|
||||
// INFO = level <= LEVEL_INFO;
|
||||
// DEBUG = level <= LEVEL_DEBUG;
|
||||
// TRACE = level <= LEVEL_TRACE;
|
||||
}
|
||||
|
||||
/**
|
||||
* Sets the logger that will write the log messages.
|
||||
*/
|
||||
static public void set (Logger logger) {
|
||||
Log.logger = logger;
|
||||
}
|
||||
|
||||
static private Logger logger = new Logger();
|
||||
|
||||
static public void error (String message, Throwable ex) {
|
||||
if (ERROR) logger.log(LEVEL_ERROR, null, message, ex);
|
||||
}
|
||||
|
||||
static public void error (String category, String message, Throwable ex) {
|
||||
if (ERROR) logger.log(LEVEL_ERROR, category, message, ex);
|
||||
}
|
||||
|
||||
static public void error (String message) {
|
||||
if (ERROR) logger.log(LEVEL_ERROR, null, message, null);
|
||||
}
|
||||
|
||||
static public void error (String category, String message) {
|
||||
if (ERROR) logger.log(LEVEL_ERROR, category, message, null);
|
||||
}
|
||||
|
||||
static public void warn (String message, Throwable ex) {
|
||||
if (WARN) logger.log(LEVEL_WARN, null, message, ex);
|
||||
}
|
||||
|
||||
static public void warn (String category, String message, Throwable ex) {
|
||||
if (WARN) logger.log(LEVEL_WARN, category, message, ex);
|
||||
}
|
||||
|
||||
static public void warn (String message) {
|
||||
if (WARN) logger.log(LEVEL_WARN, null, message, null);
|
||||
}
|
||||
|
||||
static public void warn (String category, String message) {
|
||||
if (WARN) logger.log(LEVEL_WARN, category, message, null);
|
||||
}
|
||||
|
||||
static public void info (String message, Throwable ex) {
|
||||
if (INFO) logger.log(LEVEL_INFO, null, message, ex);
|
||||
}
|
||||
|
||||
static public void info (String category, String message, Throwable ex) {
|
||||
if (INFO) logger.log(LEVEL_INFO, category, message, ex);
|
||||
}
|
||||
|
||||
static public void info (String message) {
|
||||
if (INFO) logger.log(LEVEL_INFO, null, message, null);
|
||||
}
|
||||
|
||||
static public void info (String category, String message) {
|
||||
if (INFO) logger.log(LEVEL_INFO, category, message, null);
|
||||
}
|
||||
|
||||
static public void debug (String message, Throwable ex) {
|
||||
if (DEBUG) logger.log(LEVEL_DEBUG, null, message, ex);
|
||||
}
|
||||
|
||||
static public void debug (String category, String message, Throwable ex) {
|
||||
if (DEBUG) logger.log(LEVEL_DEBUG, category, message, ex);
|
||||
}
|
||||
|
||||
static public void debug (String message) {
|
||||
if (DEBUG) logger.log(LEVEL_DEBUG, null, message, null);
|
||||
}
|
||||
|
||||
static public void debug (String category, String message) {
|
||||
if (DEBUG) logger.log(LEVEL_DEBUG, category, message, null);
|
||||
}
|
||||
|
||||
static public void trace (String message, Throwable ex) {
|
||||
if (TRACE) logger.log(LEVEL_TRACE, null, message, ex);
|
||||
}
|
||||
|
||||
static public void trace (String category, String message, Throwable ex) {
|
||||
if (TRACE) logger.log(LEVEL_TRACE, category, message, ex);
|
||||
}
|
||||
|
||||
static public void trace (String message) {
|
||||
if (TRACE) logger.log(LEVEL_TRACE, null, message, null);
|
||||
}
|
||||
|
||||
static public void trace (String category, String message) {
|
||||
if (TRACE) logger.log(LEVEL_TRACE, category, message, null);
|
||||
}
|
||||
|
||||
private Log () {
|
||||
}
|
||||
|
||||
/**
|
||||
* Performs the actual logging. Default implementation logs to System.out. Extended and use {@link Log#logger} set to handle
|
||||
* logging differently.
|
||||
*/
|
||||
static public class Logger {
|
||||
private long firstLogTime = new Date().getTime();
|
||||
|
||||
public void log (int level, String category, String message, Throwable ex) {
|
||||
StringBuilder builder = new StringBuilder(256);
|
||||
|
||||
long time = new Date().getTime() - firstLogTime;
|
||||
long minutes = time / (1000 * 60);
|
||||
long seconds = time / (1000) % 60;
|
||||
if (minutes < 9) builder.append('0');
|
||||
builder.append(minutes);
|
||||
builder.append(':');
|
||||
if (seconds < 9) builder.append('0');
|
||||
builder.append(seconds);
|
||||
|
||||
switch (level) {
|
||||
case LEVEL_ERROR:
|
||||
builder.append(" ERROR: ");
|
||||
break;
|
||||
case LEVEL_WARN:
|
||||
builder.append(" WARN: ");
|
||||
break;
|
||||
case LEVEL_INFO:
|
||||
builder.append(" INFO: ");
|
||||
break;
|
||||
case LEVEL_DEBUG:
|
||||
builder.append(" DEBUG: ");
|
||||
break;
|
||||
case LEVEL_TRACE:
|
||||
builder.append(" TRACE: ");
|
||||
break;
|
||||
}
|
||||
|
||||
if (category != null) {
|
||||
builder.append('[');
|
||||
builder.append(category);
|
||||
builder.append("] ");
|
||||
}
|
||||
|
||||
builder.append(message);
|
||||
|
||||
if (ex != null) {
|
||||
StringWriter writer = new StringWriter(256);
|
||||
ex.printStackTrace(new PrintWriter(writer));
|
||||
builder.append('\n');
|
||||
builder.append(writer.toString().trim());
|
||||
}
|
||||
|
||||
System.out.println(builder);
|
||||
}
|
||||
}
|
||||
|
||||
static public class MyLogger extends Logger {
|
||||
public void log (int level, String category, String message, Throwable ex) {
|
||||
StringBuilder builder = new StringBuilder(256);
|
||||
builder.append(new Date());
|
||||
builder.append(' ');
|
||||
builder.append(level);
|
||||
builder.append('[');
|
||||
builder.append(category);
|
||||
builder.append("] ");
|
||||
builder.append(message);
|
||||
if (ex != null) {
|
||||
StringWriter writer = new StringWriter(256);
|
||||
ex.printStackTrace(new PrintWriter(writer));
|
||||
builder.append('\n');
|
||||
builder.append(writer.toString().trim());
|
||||
}
|
||||
System.out.println(builder);
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue