Log.java

package org.nutz.log;

/**
 * 日志接口
 * 
 * @author Young(sunonfire@gmail.com)
 */
public interface Log {
	
	Log setTag(String tag);

    boolean isFatalEnabled();

    void fatal(Object message);

    void fatalf(String fmt, Object... args);

    void fatal(Object message, Throwable t);

    boolean isErrorEnabled();

    void error(Object message);

    void errorf(String fmt, Object... args);

    void error(Object message, Throwable t);

    boolean isWarnEnabled();

    void warn(Object message);

    void warnf(String fmt, Object... args);

    void warn(Object message, Throwable t);

    boolean isInfoEnabled();

    void info(Object message);

    void infof(String fmt, Object... args);

    void info(Object message, Throwable t);

    boolean isDebugEnabled();

    void debug(Object message);

    void debugf(String fmt, Object... args);

    void debug(Object message, Throwable t);

    boolean isTraceEnabled();

    void trace(Object message);

    void tracef(String fmt, Object... args);

    void trace(Object message, Throwable t);
}