我正在开发一个框架,希望jar包尽可能轻量和独立。
因此,我编写了一个日志类:
import java.util.Date;
import java.util.Properties;
public class Logger {
private static final Logger me = new Logger();
private static boolean info = false;
private static boolean debug = false;
private static boolean error = false;
private static String className = null;
public static Logger getInstance(Class<?> clazz) {
className = clazz.getCanonicalName();
try {
Properties props = new CustProps().load(clazz);
if(props.get(CustProps.NAME_LOG_MODE) != null) {
String devMode = props.getProperty(CustProps.NAME_LOG_MODE)
.toLowerCase();
if("info".equals(devMode)) {
info = true;
debug = true;
} else if("debug".equals(devMode)) {
debug = true;
}
}
} catch (Exception e) {
// debug is error by default
}
error = true;
return me;
}
public void logError(Object msg) {
if(isError()) {
System.out.println(new Date().toString()
+ " ERROR ["+Logger.className+"] - " + msg);
}
}
public void logDebug(Object msg) {
if(isDebug()) {
System.out.println(new Date().toString()
+ " DEBUG ["+Logger.className+"] - " + msg);
}
}
public void logInfo(Object msg) {
if(isInfo()) {
System.out.println(new Date().toString()
+ " INFO ["+Logger.className+"] - " + msg);
}
}
public boolean isInfo() { return Logger.info; }
public boolean isDebug() { return Logger.debug; }
public boolean isError() { return Logger.error; }
}
- 如何做到更好的日志记录?
- 自己开发一个日志记录器是否值得?
- 使用这个日志记录器会不会比选择现有的(例如
log4j
)使我的框架变得更糟?