[jboss-jira] [JBoss JIRA] Commented: (JBLOGGING-6) DatasourceAppender

[luca stancapiano (JIRA)]

    [ https://issues.jboss.org/browse/JBLOGGING-6?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569297#comment-12569297 ] 

luca stancapiano commented on JBLOGGING-6:
------------------------------------------

I need 'SPI' project

> DatasourceAppender
> ------------------
>
>                 Key: JBLOGGING-6
>                 URL: https://issues.jboss.org/browse/JBLOGGING-6
>             Project: JBoss Logging
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: jboss-logging-log4j
>            Reporter: luca stancapiano
>            Assignee: David Lloyd
>             Fix For:  2.0.7.GA-log4j
>
>         Attachments: DatasourceAppender.java
>
>
> hi.... what do you think about a DatasourceAppender? This is very simple. It overrides getConnection and closeConnection methods of org.apache.log4j.jdbc.JDBCAppender class and it is configurable by a *-log4j.xml file. Here there is an example of xml file:
> <?xml version="1.0" encoding="UTF-8"?>
> <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
> <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/" debug="false">
>   
>    <appender name="DATABASE" class="org.jboss.logging.appender.DatasourceAppender">
>    	  <param name="Threshold" value="INFO"/>
>    	  <param name="datasource" value="java:/PortalDS"/>
>    	  <layout class="org.apache.log4j.PatternLayout">
> 		 <param name="ConversionPattern" value=
> 		"INSERT INTO JBP_LOGGING_SAMPLES_USERS (log_date, log_type, log_user, operation) VALUES ( '%d{yyyy-MM-dd HH:mm:ss.SSS}','%p', '%C;%L', '%C;%L')"/>
>       </layout>
>    </appender>
>    
>    <category name="org.jboss.portal.core.identity.UsersActivityStatsServiceImpl">
>       <appender-ref ref="DATABASE"/>
>    </category>
>    
> </log4j:configuration>
> it is the same configuration for JDBCAppender but there is a 'datasource' parameter so you can specify the datasource location. Below there is the whole class:
> /*
>  * JBoss, Home of Professional Open Source
>  * Copyright 2005, JBoss Inc., and individual contributors as indicated
>  * by the @authors tag. See the copyright.txt in the distribution for a
>  * full listing of individual contributors.
>  *
>  * This is free software; you can redistribute it and/or modify it
>  * under the terms of the GNU Lesser General Public License as
>  * published by the Free Software Foundation; either version 2.1 of
>  * the License, or (at your option) any later version.
>  *
>  * This software 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
>  * Lesser General Public License for more details.
>  *
>  * You should have received a copy of the GNU Lesser General Public
>  * License along with this software; if not, write to the Free
>  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
>  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
>  */
> package org.jboss.logging.appender;
> import java.sql.Connection;
> import java.sql.SQLException;
> import javax.naming.InitialContext;
> import javax.naming.NamingException;
> import javax.sql.DataSource;
> /**
>  * An extension of the default Log4j JDBCAppender which will use a datasource to
>  * handle datas into database.
>  * 
>  * @version <tt>$Revision: 1958 $</tt>
>  * @author <a href="mailto:jedim at vige.it">Luca Stancapiano</a>
>  */
> public class DatasourceAppender extends org.apache.log4j.jdbc.JDBCAppender {
> 	/**
> 	 * URL of the DB for default connection handling
> 	 */
> 	protected String datasource = "java:/DefaultDS";
> 	protected DataSource ds;
> 	public void setDatasource(final String datasource) {
> 		this.datasource = datasource;
> 	}
> 	/**
> 	 * I override this method to get a connection from datasource.
> 	 */
> 	protected Connection getConnection() throws SQLException {
> 		if (connection == null || connection.isClosed()) {
> 			if (ds == null)
> 				try {
> 					InitialContext ic = new InitialContext();
> 					ds = (DataSource) ic.lookup(datasource);
> 				} catch (NamingException e) {
> 					e.printStackTrace();
> 				}
> 			connection = ds.getConnection();
> 		}
> 		return connection;
> 	}
> 	protected void closeConnection(Connection con) {
> 		try {
> 			connection.close();
> 		} catch (SQLException ex) {
> 			ex.printStackTrace();
> 		}
> 	}
> }

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