| /**************************************************************** |
| * 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 org.apache.james.jspf; |
| |
| import org.apache.james.jspf.core.Logger; |
| |
| /** |
| * Logger sending everything to the standard output streams. |
| * This is mainly for the cases when you have a utility that |
| * does not have a logger to supply. |
| */ |
| public final class ConsoleLogger implements Logger { |
| |
| /** Typecode for debugging messages. */ |
| public static final int LEVEL_DEBUG = 0; |
| |
| /** Typecode for informational messages. */ |
| public static final int LEVEL_INFO = 1; |
| |
| /** Typecode for warning messages. */ |
| public static final int LEVEL_WARN = 2; |
| |
| /** Typecode for error messages. */ |
| public static final int LEVEL_ERROR = 3; |
| |
| /** Typecode for fatal error messages. */ |
| public static final int LEVEL_FATAL = 4; |
| |
| /** Typecode for disabled log levels. */ |
| public static final int LEVEL_DISABLED = 5; |
| |
| private final int m_logLevel; |
| |
| /** |
| * Current logger path. |
| */ |
| private String m_path; |
| |
| /** |
| * Creates a new ConsoleLogger with the priority set to DEBUG. |
| */ |
| public ConsoleLogger() |
| { |
| this( LEVEL_DEBUG , "ROOT"); |
| } |
| |
| /** |
| * Creates a new ConsoleLogger. |
| * @param logLevel log level typecode |
| */ |
| public ConsoleLogger( final int logLevel, final String path ) |
| { |
| m_logLevel = logLevel; |
| m_path = path; |
| } |
| |
| /** |
| * Logs a debugging message. |
| * |
| * @param message a <code>String</code> value |
| */ |
| public void debug( final String message ) |
| { |
| debug( message, null ); |
| } |
| |
| /** |
| * Logs a debugging message and an exception. |
| * |
| * @param message a <code>String</code> value |
| * @param throwable a <code>Throwable</code> value |
| */ |
| public void debug( final String message, final Throwable throwable ) |
| { |
| if( m_logLevel <= LEVEL_DEBUG ) |
| { |
| System.out.print( "[DEBUG] " ); |
| System.out.print( m_path+" " ); |
| System.out.println( message ); |
| |
| if( null != throwable ) |
| { |
| throwable.printStackTrace( System.out ); |
| } |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if debug-level logging is enabled, false otherwise. |
| * |
| * @return <code>true</code> if debug-level logging |
| */ |
| public boolean isDebugEnabled() |
| { |
| return m_logLevel <= LEVEL_DEBUG; |
| } |
| |
| /** |
| * Logs an informational message. |
| * |
| * @param message a <code>String</code> value |
| */ |
| public void info( final String message ) |
| { |
| info( message, null ); |
| } |
| |
| /** |
| * Logs an informational message and an exception. |
| * |
| * @param message a <code>String</code> value |
| * @param throwable a <code>Throwable</code> value |
| */ |
| public void info( final String message, final Throwable throwable ) |
| { |
| if( m_logLevel <= LEVEL_INFO ) |
| { |
| System.out.print( "[INFO] " ); |
| System.out.print( m_path+" " ); |
| System.out.println( message ); |
| |
| if( null != throwable ) |
| { |
| throwable.printStackTrace( System.out ); |
| } |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if info-level logging is enabled, false otherwise. |
| * |
| * @return <code>true</code> if info-level logging is enabled |
| */ |
| public boolean isInfoEnabled() |
| { |
| return m_logLevel <= LEVEL_INFO; |
| } |
| |
| /** |
| * Logs a warning message. |
| * |
| * @param message a <code>String</code> value |
| */ |
| public void warn( final String message ) |
| { |
| warn( message, null ); |
| } |
| |
| /** |
| * Logs a warning message and an exception. |
| * |
| * @param message a <code>String</code> value |
| * @param throwable a <code>Throwable</code> value |
| */ |
| public void warn( final String message, final Throwable throwable ) |
| { |
| if( m_logLevel <= LEVEL_WARN ) |
| { |
| System.out.print( "[WARNING] " ); |
| System.out.print( m_path+" " ); |
| System.out.println( message ); |
| |
| if( null != throwable ) |
| { |
| throwable.printStackTrace( System.out ); |
| } |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if warn-level logging is enabled, false otherwise. |
| * |
| * @return <code>true</code> if warn-level logging is enabled |
| */ |
| public boolean isWarnEnabled() |
| { |
| return m_logLevel <= LEVEL_WARN; |
| } |
| |
| /** |
| * Logs an error message. |
| * |
| * @param message a <code>String</code> value |
| */ |
| public void error( final String message ) |
| { |
| error( message, null ); |
| } |
| |
| /** |
| * Logs an error message and an exception. |
| * |
| * @param message a <code>String</code> value |
| * @param throwable a <code>Throwable</code> value |
| */ |
| public void error( final String message, final Throwable throwable ) |
| { |
| if( m_logLevel <= LEVEL_ERROR ) |
| { |
| System.out.print( "[ERROR] " ); |
| System.out.print( m_path+" " ); |
| System.out.println( message ); |
| |
| if( null != throwable ) |
| { |
| throwable.printStackTrace( System.out ); |
| } |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if error-level logging is enabled, false otherwise. |
| * |
| * @return <code>true</code> if error-level logging is enabled |
| */ |
| public boolean isErrorEnabled() |
| { |
| return m_logLevel <= LEVEL_ERROR; |
| } |
| |
| /** |
| * Logs a fatal error message. |
| * |
| * @param message a <code>String</code> value |
| */ |
| public void fatalError( final String message ) |
| { |
| fatalError( message, null ); |
| } |
| |
| /** |
| * Logs a fatal error message and an exception. |
| * |
| * @param message a <code>String</code> value |
| * @param throwable a <code>Throwable</code> value |
| */ |
| public void fatalError( final String message, final Throwable throwable ) |
| { |
| if( m_logLevel <= LEVEL_FATAL ) |
| { |
| System.out.print( "[FATAL ERROR] " ); |
| System.out.print( m_path+" " ); |
| System.out.println( message ); |
| |
| if( null != throwable ) |
| { |
| throwable.printStackTrace( System.out ); |
| } |
| } |
| } |
| |
| /** |
| * Returns <code>true</code> if fatal-level logging is enabled, false otherwise. |
| * |
| * @return <code>true</code> if fatal-level logging is enabled |
| */ |
| public boolean isFatalErrorEnabled() |
| { |
| return m_logLevel <= LEVEL_FATAL; |
| } |
| |
| /** |
| * Just returns this logger (<code>ConsoleLogger</code> is not hierarchical). |
| * |
| * @param name ignored |
| * @return this logger |
| */ |
| public Logger getChildLogger( final String name ) |
| { |
| return new ConsoleLogger(m_logLevel, m_path+"."+name); |
| } |
| } |