Return-Path: Delivered-To: apmail-jakarta-commons-dev-archive@apache.org Received: (qmail 44335 invoked from network); 3 Jan 2002 18:54:34 -0000 Received: from unknown (HELO nagoya.betaversion.org) (192.18.49.131) by daedalus.apache.org with SMTP; 3 Jan 2002 18:54:34 -0000 Received: (qmail 7302 invoked by uid 97); 3 Jan 2002 18:54:35 -0000 Delivered-To: qmlist-jakarta-archive-commons-dev@jakarta.apache.org Received: (qmail 7286 invoked by uid 97); 3 Jan 2002 18:54:35 -0000 Mailing-List: contact commons-dev-help@jakarta.apache.org; run by ezmlm Precedence: bulk List-Unsubscribe: List-Subscribe: List-Help: List-Post: List-Id: "Jakarta Commons Developers List" Reply-To: "Jakarta Commons Developers List" Delivered-To: mailing list commons-dev@jakarta.apache.org Received: (qmail 7275 invoked by uid 97); 3 Jan 2002 18:54:34 -0000 Date: 3 Jan 2002 18:54:29 -0000 Message-ID: <20020103185429.37824.qmail@icarus.apache.org> From: rdonkin@apache.org To: jakarta-commons-cvs@apache.org Subject: cvs commit: jakarta-commons/logging/src/java/org/apache/commons/logging Log.java X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N X-Spam-Rating: daedalus.apache.org 1.6.2 0/1000/N rdonkin 02/01/03 10:54:29 Modified: logging/src/java/org/apache/commons/logging Log.java Log: Same interface but added long license and java doc comments Revision Changes Path 1.8 +165 -21 jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java Index: Log.java =================================================================== RCS file: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java,v retrieving revision 1.7 retrieving revision 1.8 diff -u -r1.7 -r1.8 --- Log.java 4 Dec 2001 04:41:00 -0000 1.7 +++ Log.java 3 Jan 2002 18:54:29 -0000 1.8 @@ -1,38 +1,89 @@ /* - * Copyright (C) The Apache Software Foundation. All rights reserved. + * $Header: /home/cvs/jakarta-commons/logging/src/java/org/apache/commons/logging/Log.java,v 1.8 2002/01/03 18:54:29 rdonkin Exp $ + * $Revision: 1.8 $ + * $Date: 2002/01/03 18:54:29 $ + * + * ==================================================================== + * + * The Apache Software License, Version 1.1 + * + * Copyright (c) 1999-2001 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, if + * any, must include the following acknowlegement: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowlegement may appear in the software itself, + * if and wherever such third-party acknowlegements normally appear. + * + * 4. The names "The Jakarta Project", "Commons", and "Apache Software + * Foundation" must not be used to endorse or promote products derived + * from this software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache" + * nor may "Apache" appear in their names without prior written + * permission of the Apache Group. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . * - * This software is published under the terms of the Apache Software License - * version 1.1, a copy of which has been included with this distribution in - * the LICENSE file. */ + package org.apache.commons.logging; /** - * A simple logging interface abstracting logging APIs. In order to be + *

A simple logging interface abstracting logging APIs. In order to be * instantiated successfully by {@link LogSource}, classes that implement * this interface must have a constructor that takes a single String - * parameter representing the "name" of this Log. + * parameter representing the "name" of this Log.

+ * + *

The log level determines whether a particular message + * should be passed to the logging implementation. + * Log levels are ordered numerically. + * For example, if the log level is warn + * then the message passed to {@link #error} will be passed to the logging + * implementation but if the log level is fatal or higher + * then the message will not. * * @author Rod Waldhoff - * @version $Id: Log.java,v 1.7 2001/12/04 04:41:00 craigmcc Exp $ + * @version $Id: Log.java,v 1.8 2002/01/03 18:54:29 rdonkin Exp $ */ public interface Log { - public void debug(Object message); - public void debug(Object message, Throwable t); - public void info(Object message); - public void info(Object message, Throwable t); - public void warn(Object message); - public void warn(Object message, Throwable t); - public void error(Object message); - public void error(Object message, Throwable t); - public void fatal(Object message); - public void fatal(Object message, Throwable t); - public boolean isDebugEnabled(); - public boolean isInfoEnabled(); - public void setLevel(int level); - public int getLevel(); + + // --------------------------------------------------------- Log Level Constants + /** All logging level. */ public static final int ALL = Integer.MIN_VALUE; /** "Debug" level logging. */ @@ -47,4 +98,97 @@ public static final int FATAL = 50000; /** No logging level. */ public static final int OFF = Integer.MAX_VALUE; + + + // --------------------------------------------------------- Logging Properties + + /** + *

Is debug logging currently enabled?

+ * + *

Call this method to prevent having to perform expensive operations + * (for example, String concatination) + * when the log level is more than debug.

+ */ + public boolean isDebugEnabled(); + + /** + *

Is info logging currently enabled?

+ * + *

Call this method to prevent having to perform expensive operations + * (for example, String concatination) + * when the log level is more than debug.

+ */ + public boolean isInfoEnabled(); + + + /** + *

Set logging level.

+ * + * @param level new logging level + */ + public void setLevel(int level); + + /** + *

Get logging level.

+ */ + public int getLevel(); + + + + // --------------------------------------------------------- Logging Methods + + /** + *

Log a message with debug log level

+ */ + public void debug(Object message); + + /** + *

Log an error with debug log level

+ */ + public void debug(Object message, Throwable t); + + + /** + *

Log a message with info log level

+ */ + public void info(Object message); + + /** + *

Log an error with info log level

+ */ + public void info(Object message, Throwable t); + + + /** + *

Log a message with warn log level

+ */ + public void warn(Object message); + + /** + *

Log an error with warn log level

+ */ + public void warn(Object message, Throwable t); + + + /** + *

Log a message with error log level

+ */ + public void error(Object message); + + /** + *

Log an error with error log level

+ */ + public void error(Object message, Throwable t); + + + /** + *

Log a message with fatal log level

+ */ + public void fatal(Object message); + + /** + *

Log an error with fatal log level

+ */ + public void fatal(Object message, Throwable t); + } -- To unsubscribe, e-mail: For additional commands, e-mail: