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com.varra.log.ConsoleLogger Maven / Gradle / Ivy
/*
* utils4j - ConsoleLogger.java, Aug 3, 2013 10:15:45 AM
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.varra.log;
import java.text.MessageFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.varra.classification.InterfaceAudience;
import com.varra.classification.InterfaceStability;
import com.varra.util.ShutdownMode;
import com.varra.util.StringPool;
/**
* Redirects the log out put to the console, log level can be controlled by the
* static metho {@link #setMyLogLevel(MyLogLevel)} at any point of time.
*
* @author Rajakrishna V.
* Reddy
* @version 3.0
*
*/
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class ConsoleLogger implements Log
{
/** The level. */
private static MyLogLevel level = MyLogLevel.INFO;
/** The name. */
private String name;
/** The date. */
private static final Date date = new Date(System.currentTimeMillis());
/** The Constant builder. */
private static final StringBuilder builder = new StringBuilder(50);
/** The Date format. */
private static final SimpleDateFormat format = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss.SSS");
/**
* Instantiates a new console logger.
*/
public ConsoleLogger()
{
// TODO error handling
}
/*
* (non-Javadoc)
*
* @see com.varra.util.Shutdownable#shutdown(com.varra.util.ShutdownMode)
*/
public void shutdown(ShutdownMode mode)
{
info("shutdown process has been initialzed..");
info("shutdown process has been finished successfully.");
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#getName()
*/
public String getName()
{
return name;
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#setName(java.lang.String)
*/
public void setName(String name)
{
this.name = name;
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#trace(java.lang.Object)
*/
public void trace(Object message)
{
logMe(message, MyLogLevel.TRACE);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#trace(java.lang.Object, java.lang.Throwable)
*/
public void trace(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.TRACE, t);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#info(java.lang.Object)
*/
public void info(Object message)
{
logMe(message, MyLogLevel.INFO);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#info(java.lang.Object, java.lang.Throwable)
*/
public void info(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.INFO, t);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#debug(java.lang.Object)
*/
public void debug(Object message)
{
logMe(message, MyLogLevel.DEBUG);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#debug(java.lang.Object, java.lang.Throwable)
*/
public void debug(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.DEBUG, t);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#warn(java.lang.Object)
*/
public void warn(Object message)
{
logMe(message, MyLogLevel.WARN);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#warn(java.lang.Object, java.lang.Throwable)
*/
public void warn(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.WARN, t);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#error(java.lang.Object)
*/
public void error(Object message)
{
logMe(message, MyLogLevel.ERROR);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#error(java.lang.Object, java.lang.Throwable)
*/
public void error(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.ERROR, t);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#fatal(java.lang.Object)
*/
public void fatal(Object message)
{
logMe(message, MyLogLevel.FATAL);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#fatal(java.lang.Object, java.lang.Throwable)
*/
public void fatal(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.FATAL, t);
t.printStackTrace();
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#test(java.lang.Object)
*/
public void test(Object message)
{
logMe(message, MyLogLevel.TEST);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#test(java.lang.Object, java.lang.Throwable)
*/
public void test(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.TEST);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#log(java.lang.Object, int, java.lang.String)
*/
public void log(Object message, int level, String levelString)
{
logMe(message, MyLogLevel.LOG);
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#log(java.lang.Object, java.lang.Throwable)
*/
public void log(Object message, Throwable t)
{
logMe(message + ", Error: " + t.getMessage(), MyLogLevel.LOG);
}
/**
* Logs the private message.
*
* @param message
* the message
* @param level
* the level
*/
private void logMe(Object message, MyLogLevel level)
{
if (level.ordinal() <= getLevel().ordinal())
{
date.setTime(System.currentTimeMillis());
final String dateString = format.format(date);
System.out.println(MessageFormat.format(getFormattedString(), dateString, level.name().toUpperCase(), name,
message));
}
}
/**
* Logs the private message.
*
* @param message
* the message
* @param level
* the level
*/
private void logMe(Object message, MyLogLevel level, Throwable t)
{
if (level.ordinal() <= getLevel().ordinal())
{
date.setTime(System.currentTimeMillis());
final String dateString = format.format(date);
System.out.println(MessageFormat.format(getFormattedString(), dateString, level.name().toUpperCase(), name, message));
t.printStackTrace();
}
}
/**
* Gets the formatted string.
*
* @return the formatted string
*/
private String getFormattedString()
{
if (builder.length() == 0)
{
builder.append(StringPool.LEFT_SQ_BRACKET);
builder.append("{0}");
builder.append(StringPool.RIGHT_SQ_BRACKET);
builder.append(StringPool.LEFT_SQ_BRACKET);
builder.append("{1}");
builder.append(StringPool.RIGHT_SQ_BRACKET);
builder.append(StringPool.LEFT_SQ_BRACKET);
builder.append("{2}");
builder.append(StringPool.RIGHT_SQ_BRACKET);
builder.append(StringPool.COLON);
builder.append(StringPool.SPACE);
builder.append("{3}");
}
return builder.toString();
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#isDebugEnabled()
*/
public boolean isDebugEnabled()
{
return true;
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#isInfoEnabled()
*/
public boolean isInfoEnabled()
{
return true;
}
/**
* Throws the UnsupportedOperationException, as it is not implemented in
* this version.
*
* @see #setMyLogLevel(MyLogLevel)
*
* @param level
* the new level
*/
@Override
public void setLevel(MyLogLevel level)
{
throw new UnsupportedOperationException("Not supported in this version.");
}
/*
* (non-Javadoc)
*
* @see com.varra.log.Log#getLevel()
*/
@Override
public MyLogLevel getLevel()
{
return level;
}
/**
* Sets the my log level.
*
* @param level
* the new my log level
*/
public static void setMyLogLevel(MyLogLevel level)
{
ConsoleLogger.level = level;
}
/*
* (non-Javadoc)
*
* @see java.lang.Object#toString()
*/
@Override
public String toString()
{
StringBuilder builder = new StringBuilder();
builder.append("ConsoleLogger [name=");
builder.append(name);
builder.append("]");
return builder.toString();
}
}
