PluginLogListener.java from PovClipse at Krugle
Show PluginLogListener.java syntax highlighted
package com.tools.logging;
import org.eclipse.core.runtime.ILogListener;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.eclipse.core.runtime.ILog;
/**
* PluginLogListener
* This class is responsible for adding itself to the plug-in logging framework
* and translating plug-in log requests to Logger events.
* @author Manoel Marques
*/
class PluginLogListener implements ILogListener {
private ILog log;
private Logger logger;
/**
* Creates a new PluginLogListener. Saves the plug-in log and logger instance.
* Adds itself to the plug-in log.
* @param plugin the plug-in object
* @param logger logger instance
*/
PluginLogListener(ILog log,Logger logger) {
this.log = log;
this.logger = logger;
log.addLogListener(this);
}
/**
* Removes itself from the plug-in log, reset instance variables.
*/
void dispose() {
if (this.log != null) {
this.log.removeLogListener(this);
this.log = null;
this.logger = null;
}
}
/**
* Log event happened.
* Translates status instance to Logger level and message.
* Status.ERROR - Level.ERROR
* Status.WARNING - Level.WARN
* Status.INFO - Level.INFO
* Status.CANCEL - Level.FATAL
* default - Level.DEBUG
* @param status Log Status
* @param plugin plug-in id
*/
public void logging(IStatus status, String plugin) {
if (null == this.logger || null == status)
return;
int severity = status.getSeverity();
Level level = Level.DEBUG;
if (severity == Status.ERROR)
level = Level.ERROR;
else
if (severity == Status.WARNING)
level = Level.WARN;
else
if (severity == Status.INFO)
level = Level.INFO;
else
if (severity == Status.CANCEL)
level = Level.FATAL;
plugin = formatText(plugin);
String statusPlugin = formatText(status.getPlugin());
String statusMessage = formatText(status.getMessage());
StringBuffer message = new StringBuffer();
if (plugin != null) {
message.append(plugin);
message.append(" - ");
}
if (statusPlugin != null &&
(plugin == null || !statusPlugin.equals(plugin))) {
message.append(statusPlugin);
message.append(" - ");
}
message.append(status.getCode());
if (statusMessage != null) {
message.append(" - ");
message.append(statusMessage);
}
this.logger.log(level,message.toString(),status.getException());
}
static private String formatText(String text) {
if (text != null) {
text = text.trim();
if (text.length() == 0) return null;
}
return text;
}
}
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