| 1 |
|
//---PACKAGE DECLARATION--- |
| 2 |
< |
package uk.ac.ukc.iscream.client.alerters; |
| 2 |
> |
package uk.org.iscream.client.alerters; |
| 3 |
|
|
| 4 |
|
//---IMPORTS--- |
| 5 |
< |
import uk.ac.ukc.iscream.client.*; |
| 6 |
< |
import uk.ac.ukc.iscream.core.*; |
| 7 |
< |
import uk.ac.ukc.iscream.util.*; |
| 8 |
< |
import uk.ac.ukc.iscream.componentmanager.*; |
| 9 |
< |
|
| 10 |
< |
import java.util.*; |
| 5 |
> |
import uk.org.iscream.client.*; |
| 6 |
> |
import uk.org.iscream.core.*; |
| 7 |
> |
import uk.org.iscream.util.*; |
| 8 |
> |
import uk.org.iscream.componentmanager.*; |
| 9 |
|
import java.io.*; |
| 10 |
+ |
import java.util.StringTokenizer; |
| 11 |
|
|
| 12 |
+ |
|
| 13 |
|
/** |
| 14 |
|
* This alerter delivers alerts using e-mail. |
| 15 |
|
* |
| 16 |
|
* @author $Author$ |
| 17 |
|
* @version $Id$ |
| 18 |
|
*/ |
| 19 |
< |
public class EMail__Alerter implements PluginAlerter { |
| 19 |
> |
public class EMail__Alerter extends AlerterSkeleton { |
| 20 |
|
|
| 21 |
|
//---FINAL ATTRIBUTES--- |
| 22 |
|
|
| 27 |
|
|
| 28 |
|
public final String DESC = "Sends alerts over e-mail."; |
| 29 |
|
|
| 30 |
+ |
public final String NOT_CONFIGURED = "<NOT CONFIGURED>"; |
| 31 |
+ |
|
| 32 |
|
//---STATIC METHODS--- |
| 33 |
|
|
| 34 |
|
//---CONSTRUCTORS--- |
| 35 |
|
|
| 34 |
– |
public EMail__Alerter() { |
| 35 |
– |
_logger.write(toString(), Logger.SYSINIT, "IRC Alerter started"); |
| 36 |
– |
} |
| 37 |
– |
|
| 36 |
|
//---PUBLIC METHODS--- |
| 37 |
|
|
| 38 |
|
public void sendAlert(Alert alert) { |
| 39 |
< |
ConfigurationProxy cp = ConfigurationProxy.getInstance(); |
| 40 |
< |
String levelName = cp.getProperty(_name, "Alerter.EMail.level"); |
| 41 |
< |
int level = StringUtils.getStringPos(levelName, Alert.alertLevels); |
| 42 |
< |
// only send if it's equal (or above) our level |
| 43 |
< |
if(alert.getLevel() >= level) { |
| 44 |
< |
String alertType = Alert.alertLevels[alert.getLevel()]; |
| 45 |
< |
String thresholdType = Alert.thresholdLevels[alert.getThreshold()]; |
| 46 |
< |
// sort out the subject |
| 47 |
< |
String subject = cp.getProperty(_name, "Alerter.EMail.subject"); |
| 48 |
< |
subject = StringUtils.replaceText(subject, "%level%", alertType); |
| 49 |
< |
subject = StringUtils.replaceText(subject, "%threshold%", thresholdType); |
| 50 |
< |
subject = StringUtils.replaceText(subject, "%source%", alert.getSource()); |
| 51 |
< |
subject = StringUtils.replaceText(subject, "%value%", alert.getValue()); |
| 52 |
< |
subject = StringUtils.replaceText(subject, "%thresholdValue%", alert.getThresholdValue()); |
| 53 |
< |
subject = StringUtils.replaceText(subject, "%attributeName%", alert.getAttributeName()); |
| 54 |
< |
subject = StringUtils.replaceText(subject, "%timeTillNextAlert%", getTimeString(Long.parseLong(alert.getTimeTillNextAlert()))); |
| 55 |
< |
|
| 56 |
< |
// sort out the message body |
| 57 |
< |
String message = cp.getProperty(_name, "Alerter.EMail.message"); |
| 58 |
< |
message = StringUtils.replaceText(message, "%level%", alertType); |
| 59 |
< |
message = StringUtils.replaceText(message, "%threshold%", thresholdType); |
| 60 |
< |
message = StringUtils.replaceText(message, "%source%", alert.getSource()); |
| 61 |
< |
message = StringUtils.replaceText(message, "%value%", alert.getValue()); |
| 62 |
< |
message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue()); |
| 63 |
< |
message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName()); |
| 64 |
< |
message = StringUtils.replaceText(message, "%timeTillNextAlert%", getTimeString(Long.parseLong(alert.getTimeTillNextAlert()))); |
| 65 |
< |
|
| 66 |
< |
try { |
| 67 |
< |
// create SMTP message |
| 68 |
< |
Smtp smtp = new Smtp(cp.getProperty(_name, "Alerter.EMail.smtpServer")); |
| 69 |
< |
// set our sender |
| 70 |
< |
smtp.setSender(cp.getProperty(_name, "Alerter.EMail.sender")); |
| 71 |
< |
|
| 72 |
< |
// get the default destination list |
| 75 |
< |
String destList = cp.getProperty(_name, "Alerter.EMail.defaultDestList"); |
| 76 |
< |
// check if the source we're alerting about has a specific destination |
| 77 |
< |
String sourceDestList = cp.getProperty("Host."+alert.getSource(), "Alerter.EMail.destList"); |
| 78 |
< |
if(sourceDestList != null) { |
| 79 |
< |
// if there is a source destination list, use it |
| 80 |
< |
destList = sourceDestList; |
| 81 |
< |
} |
| 82 |
< |
|
| 83 |
< |
// set the to: list |
| 84 |
< |
StringTokenizer st = new StringTokenizer(destList, ";"); |
| 85 |
< |
while (st.hasMoreTokens()) { |
| 86 |
< |
smtp.setTo(st.nextToken()); |
| 87 |
< |
} |
| 88 |
< |
|
| 89 |
< |
// prepare to print the message |
| 90 |
< |
PrintWriter out = smtp.getOutputStream(); |
| 91 |
< |
out.println("Subject: "+subject); |
| 92 |
< |
out.println(); |
| 93 |
< |
|
| 94 |
< |
// send the message |
| 95 |
< |
out.println(message); |
| 96 |
< |
smtp.sendMessage(); |
| 97 |
< |
smtp.close(); |
| 98 |
< |
_logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ alertType + " level"); |
| 39 |
> |
// get the subject and replace fields |
| 40 |
> |
String subject; |
| 41 |
> |
try { |
| 42 |
> |
subject = _cp.getProperty(_name, "Alerter.EMail.subject"); |
| 43 |
> |
} catch (PropertyNotFoundException e) { |
| 44 |
> |
subject = NOT_CONFIGURED; |
| 45 |
> |
_logger.write(toString(), Logger.WARNING, "Alerter.EMail.subject value unavailable using default of " + subject); |
| 46 |
> |
} |
| 47 |
> |
subject = processAlertMessage(subject, alert); |
| 48 |
> |
|
| 49 |
> |
// get the message body and replace fields |
| 50 |
> |
String message; |
| 51 |
> |
try { |
| 52 |
> |
message = _cp.getProperty(_name, "Alerter.EMail.message"); |
| 53 |
> |
} catch (PropertyNotFoundException e) { |
| 54 |
> |
message = NOT_CONFIGURED; |
| 55 |
> |
_logger.write(toString(), Logger.WARNING, "Alerter.EMail.message value unavailable using default of " + message); |
| 56 |
> |
} |
| 57 |
> |
message = processAlertMessage(message, alert); |
| 58 |
> |
|
| 59 |
> |
// attempt to send the actual message |
| 60 |
> |
try { |
| 61 |
> |
// create SMTP message |
| 62 |
> |
Smtp smtp = new Smtp(_cp.getProperty(_name, "Alerter.EMail.smtpServer")); |
| 63 |
> |
// set our sender |
| 64 |
> |
smtp.setSender(_cp.getProperty(_name, "Alerter.EMail.sender")); |
| 65 |
> |
|
| 66 |
> |
// list of destination addresses |
| 67 |
> |
String destList = _cp.getProperty("Host."+alert.getSource(), "Alerter.EMail.destList"); |
| 68 |
> |
|
| 69 |
> |
// set the to: list |
| 70 |
> |
StringTokenizer st = new StringTokenizer(destList, ";"); |
| 71 |
> |
while (st.hasMoreTokens()) { |
| 72 |
> |
smtp.setTo(st.nextToken()); |
| 73 |
|
} |
| 74 |
< |
catch(IOException e) { |
| 75 |
< |
_logger.write(toString(), Logger.ERROR, "Error whilst sending message: "+e); |
| 76 |
< |
} |
| 74 |
> |
|
| 75 |
> |
// prepare to print the message |
| 76 |
> |
PrintWriter out = smtp.getOutputStream(); |
| 77 |
> |
out.println("Subject: "+subject+"\n"); |
| 78 |
> |
|
| 79 |
> |
// send the message |
| 80 |
> |
out.println(message); |
| 81 |
> |
smtp.sendMessage(); |
| 82 |
> |
smtp.close(); |
| 83 |
> |
_logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ Alert.alertLevels[alert.getLevel()] + " level"); |
| 84 |
|
} |
| 85 |
+ |
catch(IOException e) { |
| 86 |
+ |
_logger.write(toString(), Logger.ERROR, "Error whilst sending message: "+e); |
| 87 |
+ |
} |
| 88 |
+ |
catch(PropertyNotFoundException e) { |
| 89 |
+ |
_logger.write(toString(), Logger.ERROR, "Error obtaining essential configuration: "+e); |
| 90 |
+ |
} |
| 91 |
|
} |
| 92 |
|
|
| 93 |
|
/** |
| 94 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 95 |
|
* method to provide clean logging (every class should have this). |
| 96 |
|
* |
| 97 |
< |
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
| 97 |
> |
* This uses the uk.org.iscream.util.NameFormat class |
| 98 |
|
* to format the toString() |
| 99 |
|
* |
| 100 |
|
* @return the name of this class and its CVS revision |
| 107 |
|
} |
| 108 |
|
|
| 109 |
|
/** |
| 110 |
< |
* return the String representation of what the filter does |
| 110 |
> |
* return the String representation of what the alerter does |
| 111 |
|
*/ |
| 112 |
|
public String getDescription(){ |
| 113 |
|
return DESC; |
| 114 |
|
} |
| 115 |
|
|
| 116 |
|
//---PRIVATE METHODS--- |
| 130 |
– |
|
| 131 |
– |
private String getTimeString(long time) { |
| 132 |
– |
String timeString = null; |
| 133 |
– |
if (time >= 60) { |
| 134 |
– |
timeString = (time / 60) + " minutes"; |
| 135 |
– |
} else if (time >= 3600) { |
| 136 |
– |
timeString = ((time/60) / 60) + " hours"; |
| 137 |
– |
} else { |
| 138 |
– |
timeString = time + " seconds"; |
| 139 |
– |
} |
| 140 |
– |
return timeString; |
| 141 |
– |
} |
| 117 |
|
|
| 118 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 119 |
|
|
| 128 |
|
* can be placed here. This name could also |
| 129 |
|
* be changed to null for utility classes. |
| 130 |
|
*/ |
| 131 |
< |
private String _name = "EMail Alert"; |
| 131 |
> |
protected String _name = "EMail"; |
| 132 |
|
|
| 133 |
|
/** |
| 134 |
|
* This holds a reference to the |
| 135 |
|
* system logger that is being used. |
| 136 |
|
*/ |
| 137 |
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 138 |
< |
|
| 138 |
> |
|
| 139 |
|
//---STATIC ATTRIBUTES--- |
| 140 |
|
|
| 141 |
|
} |
