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Hutool 日志封装
There is a newer version: 3.3.2
package com.xiaoleilu.hutool.log.dialect.commons;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import com.xiaoleilu.hutool.log.AbstractLog;
import com.xiaoleilu.hutool.log.level.Level;
import com.xiaoleilu.hutool.util.StrUtil;

/**
 * Apache Commons Logging
 * @author Looly
 *
 */
public class ApacheCommonsLog extends AbstractLog {
	private static final long serialVersionUID = -6843151523380063975L;
	
	private final transient Log logger;
	private final String name;

	// ------------------------------------------------------------------------- Constructor
	public ApacheCommonsLog(Log logger, String name) {
		this.logger = logger;
		this.name = name;
	}

	public ApacheCommonsLog(Class clazz) {
		this(LogFactory.getLog(clazz), clazz.getName());
	}

	public ApacheCommonsLog(String name) {
		this(LogFactory.getLog(name), name);
	}

	@Override
	public String getName() {
		return this.name;
	}

	// ------------------------------------------------------------------------- Trace
	@Override
	public boolean isTraceEnabled() {
		return logger.isTraceEnabled();
	}

	@Override
	public void trace(String format, Object... arguments) {
		if (isTraceEnabled()) {
			logger.trace(StrUtil.format(format, arguments));
		}
	}

	@Override
	public void trace(Throwable t, String format, Object... arguments) {
		if(isTraceEnabled()){
			logger.trace(StrUtil.format(format, arguments), t);
		}
	}

	// ------------------------------------------------------------------------- Debug
	@Override
	public boolean isDebugEnabled() {
		return logger.isDebugEnabled();
	}

	@Override
	public void debug(String format, Object... arguments) {
		if(isDebugEnabled()){
			logger.debug(StrUtil.format(format, arguments));
		}
	}

	@Override
	public void debug(Throwable t, String format, Object... arguments) {
		if(isDebugEnabled()){
			logger.debug(StrUtil.format(format, arguments), t);
		}
	}

	// ------------------------------------------------------------------------- Info
	@Override
	public boolean isInfoEnabled() {
		return logger.isInfoEnabled();
	}

	@Override
	public void info(String format, Object... arguments) {
		if(isInfoEnabled()){
			logger.info(StrUtil.format(format, arguments));
		}
	}

	@Override
	public void info(Throwable t, String format, Object... arguments) {
		if(isInfoEnabled()){
			logger.info(StrUtil.format(format, arguments), t);
		}
	}

	// ------------------------------------------------------------------------- Warn
	@Override
	public boolean isWarnEnabled() {
		return logger.isWarnEnabled();
	}

	@Override
	public void warn(String format, Object... arguments) {
		if(isWarnEnabled()){
			logger.warn(StrUtil.format(format, arguments));
		}
	}

	@Override
	public void warn(Throwable t, String format, Object... arguments) {
		if(isWarnEnabled()){
			logger.warn(StrUtil.format(format, arguments), t);
		}
	}

	// ------------------------------------------------------------------------- Error
	@Override
	public boolean isErrorEnabled() {
		return logger.isErrorEnabled();
	}

	@Override
	public void error(String format, Object... arguments) {
		if(isErrorEnabled()){
			logger.error(StrUtil.format(format, arguments));
		}
	}

	@Override
	public void error(Throwable t, String format, Object... arguments) {
		if(isErrorEnabled()){
			logger.warn(StrUtil.format(format, arguments), t);
		}
	}
	
	// ------------------------------------------------------------------------- Log
	@Override
	public void log(Level level, String format, Object... arguments) {
		switch (level) {
			case TRACE:
				trace(format, arguments);
				break;
			case DEBUG:
				debug(format, arguments);
				break;
			case INFO:
				info(format, arguments);
				break;
			case WARN:
				warn(format, arguments);
				break;
			case ERROR:
				error(format, arguments);
				break;
			default:
				throw new Error(StrUtil.format("Can not identify level: {}", level));
		}
	}

	@Override
	public void log(Level level, Throwable t, String format, Object... arguments) {
		switch (level) {
			case TRACE:
				trace(t, format, arguments);
				break;
			case DEBUG:
				debug(t, format, arguments);
				break;
			case INFO:
				info(t, format, arguments);
				break;
			case WARN:
				warn(t, format, arguments);
				break;
			case ERROR:
				error(t, format, arguments);
				break;
			default:
				throw new Error(StrUtil.format("Can not identify level: {}", level));
		}
	}

	// ------------------------------------------------------------------------- Private method
}