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/*
* TimerEventFactory.java
*
* Created on May 23, 2005, 3:57 PM
*/
package com.sun.enterprise.admin.selfmanagement.event;
import javax.management.timer.Timer;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import java.util.Date;
import java.text.SimpleDateFormat;
import java.util.logging.Level;
import com.sun.enterprise.config.serverbeans.ElementProperty;
import com.sun.enterprise.admin.selfmanagement.configuration.JavaBeanConfigurator;
import com.sun.enterprise.util.SystemPropertyConstants;
import static com.sun.enterprise.admin.selfmanagement.event.ManagementRuleConstants.*;
/**
*
* This is the factory to build and configure Timer Event
* @author Sun Micro Systems, Inc
*/
public final class TimerEventFactory extends EventAbstractFactory{
/** Creates a new instance of LogEventFactory */
TimerEventFactory() {
super();
EventBuilder.getInstance().addEventFactory(EVENT_TIMER, this);
}
public Event instrumentEvent(
ElementProperty[] properties, String description ) {
// expected properties:
// datestring : one which DateFormatter.parse understands
// pattern : format dd/mm/yyyy hh:mm:ss
// period
// message
// numberofoccurrences
String datePattern = null;
String dateString = null;
long period = 0;
long numberOfOccurrences = 0;
String message = "timer notification";
String type = "timer";
SimpleDateFormat format = null;
for( int i = 0; i < properties.length; i++ ){
ElementProperty property = properties[i];
String propertyName = property.getName( ).toLowerCase( );
if (propertyName.equals(PROPERTY_TIMER_PATTERN))
datePattern = property.getValue();
if (propertyName.equals(PROPERTY_TIMER_DATESTRING))
dateString = property.getValue();
if (propertyName.equals(PROPERTY_TIMER_PERIOD))
period = Long.parseLong(property.getValue());
if (propertyName.equals(PROPERTY_TIMER_NUMBER_OF_OCCURRENCES) )
numberOfOccurrences = Long.parseLong(property.getValue());
if (propertyName.equals(PROPERTY_TIMER_MESSAGE) )
message = property.getValue();
}
/**
if (dateString == null)
throw new IllegalArgumentException(
sm.getString("selfmgmt_event.invalid_event_property","dateString","timer"));
**/
if (datePattern == null)
datePattern = defaultPattern;
Date d = null;
try {
if (dateString == null)
d = new Date();
else
d = new SimpleDateFormat(datePattern).parse(dateString);
} catch (java.text.ParseException pex) {
throw new IllegalArgumentException(
sm.getString("selfmgmt_event.invalid_event_property","dateString","timer"),pex);
}
Integer id = 0;
if (period > 0) {
if (numberOfOccurrences > 0 )
id = getTimer().addNotification(type,message,null,d,period,numberOfOccurrences);
else id = getTimer().addNotification(type,message,null,d,period);
} else {
id = getTimer().addNotification(type,message,null,d);
}
return new TimerEvent(id, new TimerEventFilter(id), description);
}
void removeEvent(int id) {
try {
getTimer().removeNotification(id);
} catch (javax.management.InstanceNotFoundException iex) {
_logger.log(Level.WARNING,"smgt.internal_error", iex);
}
}
private synchronized Timer getTimer() {
if (timer != null)
return timer;
try {
timer = (Timer)getMBeanServer().instantiate("javax.management.timer.Timer");
getMBeanServer().registerMBean(timer,TimerEvent.getTimerObjectName());
timer.start();
return timer;
} catch (Exception ex) {
_logger.log(Level.WARNING,"smgt.internal_error", ex);
}
return timer;
}
static TimerEventFactory getInstance() {
return instance;
}
private static final TimerEventFactory instance = new TimerEventFactory();
private static final String defaultPattern = "MM/dd/yyyy HH:mm:ss";
private static javax.management.timer.Timer timer = null;
}