Re: [Fornax-developer] logging with fornax-oaw-m2-plugin

[Karsten Thoms]

To give you a quick help here is the source:

import java.net.URL;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.xml.DOMConfigurator;
import org.openarchitectureware.workflow.WorkflowContext;
import org.openarchitectureware.workflow.issues.Issues;
import org.openarchitectureware.workflow.lib.AbstractWorkflowComponent2;
import org.openarchitectureware.workflow.monitor.ProgressMonitor;

/**
 * Use this workflow component to initialize the logging subsystem.
 * 
 * <h2>Example</h2>
 * 
 * <pre>
 * &lt;component 
class=&quot;gts.ise.common.oaw.workflow.LoggingConfiguratorComponent&quot;&gt;
 *   &lt;log4jConfig value=&quot;log4j.xml&quot;/&gt;
 * &lt;/component&gt;
 * </pre>
 * 
 */
public class LoggingConfiguratorComponent extends AbstractWorkflowComponent2 {
        private static final Log LOG = 
LogFactory.getLog(LoggingConfiguratorComponent.class);
        private String log4jConfig;
        private URL log4jConfigURL;

        @Override
        protected void checkConfigurationInternal(Issues issues) {
                if (log4jConfig!=null) {
                        log4jConfigURL = 
Thread.currentThread().getContextClassLoader().getResource(log4jConfig);
                        if (log4jConfigURL==null) {
                                issues.addError("Invalid URL specified for 
'log4jConfig'");
                        }
                }
        }

        @Override
        protected void invokeInternal(WorkflowContext ctx, ProgressMonitor mon,
                        Issues issues) {
                if (log4jConfigURL!=null) {
                        if (log4jConfig.endsWith(".xml")) {
                                DOMConfigurator.configure(log4jConfigURL);
                        } else if (log4jConfig.endsWith(".properties")) {
                                PropertyConfigurator.configure(log4jConfigURL);
                        }
                        LOG.info("Configured log4j with "+log4jConfig);
                }
        }

        /**
         * Sets the log4j configuration to be used. 
         * @param log4jConfig Resource URL of the log4j configuration. The URL 
must end with 
         * file extensions ".xml" or ".properties". The referred configuration 
must be loadable 
         * by the current thread's context classloader.
         */
        public void setLog4jConfig(String log4jConfig) {
                this.log4jConfig = log4jConfig;
        }

}


----- Original Message -----
From: "Polly C. Chang" <polly.c.ch...@gmail.com>
To: fornax-developer@lists.sourceforge.net
Sent: Monday, June 29, 2009 4:51:33 PM (GMT+0100) Europe/Berlin
Subject: Re: [Fornax-developer] logging with fornax-oaw-m2-plugin

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