Derek Hulley 38c2a47e26 Repository startup support for module dependencies.
Modules are started in in order of their dependencies.
Components that don't execute due to incorrect registration are detected.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5606 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-05-03 14:10:11 +00:00

106 lines
3.3 KiB
Java

/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.repo.module;
import org.alfresco.util.PropertyCheck;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Module component that logs a message on startup. The log category
* used will be the ID of the module that contains the component and the
* name of the component itself. For example:
* <pre>
* log4j.logger.org.alfresco.modules.MyModule.DumpMessageComponent=INFO
* </pre>
*
* @author Derek Hulley
* @since 2.1
*/
public class LoggerModuleComponent extends AbstractModuleComponent
{
private enum LogLevel
{
INFO, WARN, ERROR;
}
private LogLevel logLevel;
private String message;
public LoggerModuleComponent()
{
logLevel = LogLevel.INFO;
}
/**
* Set the level at which the bean must log the message.
* @param logLevel One of the {@link LogLevel values}.
* The default is {@link LogLevel#INFO}.
*/
public void setLogLevel(String logLevel)
{
this.logLevel = LogLevel.valueOf(logLevel);
}
/**
* Set the message that must be logged. This can be a message string
* or an ID of an internationalized string.
*
* @param message a message to log at the {@link #setLogLevel(String) log level}
*/
public void setMessage(String message)
{
this.message = message;
}
@Override
protected void checkProperties()
{
PropertyCheck.mandatory(this, "message", message);
// fulfil contract of override
super.checkProperties();
}
@Override
protected void executeInternal() throws Throwable
{
String moduleId = super.getModuleId();
String name = super.getName();
Log logger = LogFactory.getLog(moduleId + "." + name);
switch (logLevel)
{
case INFO:
logger.info(message);
break;
case WARN:
logger.warn(message);
break;
case ERROR:
logger.error(message);
break;
}
}
}