package com.alibaba.druid.logging; public class NoLoggingImpl implements Log { public NoLoggingImpl(Class clazz){ } public boolean isDebugEnabled() { return false; } public void error(String s, Throwable e) { } public void error(String s) { } public void debug(String s) { } public void debug(String s, Throwable e) { } public void warn(String s) { } @Override public void warn(String s, Throwable e) { } }