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root/i-scream/projects/cms/source/server/uk/org/iscream/cms/server/client/alerters/EMail__Alerter.java
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Comparing projects/cms/source/server/uk/org/iscream/cms/server/client/alerters/EMail__Alerter.java (file contents):
Revision 1.1 by tdb, Thu Mar 1 22:08:35 2001 UTC vs.
Revision 1.14 by tdb, Mon Mar 5 23:13:22 2001 UTC

# Line 7 | Line 7 | 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.*;
11 + import java.io.*;
12 +
13   /**
14 < * This Alert sends by e-mail.
14 > * This alerter delivers alerts using e-mail.
15   *
16   * @author  $Author$
17   * @version $Id$
18   */
19 < public class EMail__PluginAlerter implements PluginAlerter {
19 > public class EMail__Alerter implements PluginAlerter {
20  
21   //---FINAL ATTRIBUTES---
22  
# Line 22 | Line 25 | public class EMail__PluginAlerter implements PluginAle
25       */
26      public final String REVISION = "$Revision$";
27      
28 <    public final String DESC = "Sends alerts by e-mail";
28 >    public final String DESC = "Sends alerts over e-mail.";
29      
30 +    public final String DEFAULT_LEVEL = Alert.alertLevels[0];
31 +    
32 +    public final String NOT_CONFIGURED = "<NOT CONFIGURED>";
33 +    
34   //---STATIC METHODS---
35  
36   //---CONSTRUCTORS---
37  
38 +    public EMail__Alerter() {      
39 +        _logger.write(toString(), Logger.SYSINIT, "IRC Alerter started");
40 +    }
41 +
42   //---PUBLIC METHODS---
43  
44      public void sendAlert(Alert alert) {
45 <        // yeah, now what ?
45 >        ConfigurationProxy cp = ConfigurationProxy.getInstance();
46 >        String levelName;
47 >        try {
48 >            levelName = cp.getProperty(_name, "Alerter.EMail.level");
49 >        } catch (PropertyNotFoundException e) {
50 >            levelName = DEFAULT_LEVEL;
51 >            _logger.write(toString(), Logger.WARNING, "Alerter.EMail.level value unavailable using default of " + levelName);
52 >        }
53 >        int level = StringUtils.getStringPos(levelName, Alert.alertLevels);
54 >        // only send if it's equal (or above) our level
55 >        if(((alert.getLevel() == 0) && (alert.getLastLevel() >= level)) || (alert.getLevel() >= level)) {
56 >            String alertType = Alert.alertLevels[alert.getLevel()];
57 >            String thresholdType = Alert.thresholdLevels[alert.getThreshold()];
58 >            // sort out the subject
59 >            String subject;
60 >            try {
61 >                subject = cp.getProperty(_name, "Alerter.EMail.subject");
62 >            } catch (PropertyNotFoundException e) {
63 >                subject = NOT_CONFIGURED;
64 >                _logger.write(toString(), Logger.WARNING, "Alerter.EMail.subject value unavailable using default of " + subject);
65 >            }
66 >            subject = StringUtils.replaceText(subject, "%level%", alertType);
67 >            subject = StringUtils.replaceText(subject, "%threshold%", thresholdType);
68 >            subject = StringUtils.replaceText(subject, "%source%", alert.getSource());
69 >            subject = StringUtils.replaceText(subject, "%value%", alert.getValue());
70 >            subject = StringUtils.replaceText(subject, "%thresholdValue%", alert.getThresholdValue());
71 >            subject = StringUtils.replaceText(subject, "%attributeName%", alert.getAttributeName());
72 >            subject = StringUtils.replaceText(subject, "%timeTillNextAlert%",  getTimeString(Long.parseLong(alert.getTimeTillNextAlert())));
73 >                        
74 >            // sort out the message body
75 >            String message;
76 >            try {
77 >                message = cp.getProperty(_name, "Alerter.EMail.message");
78 >            } catch (PropertyNotFoundException e) {
79 >                message = NOT_CONFIGURED;
80 >                _logger.write(toString(), Logger.WARNING, "Alerter.EMail.message value unavailable using default of " + message);
81 >            }
82 >            message = StringUtils.replaceText(message, "%level%", alertType);
83 >            message = StringUtils.replaceText(message, "%threshold%", thresholdType);
84 >            message = StringUtils.replaceText(message, "%source%", alert.getSource());
85 >            message = StringUtils.replaceText(message, "%value%", alert.getValue());
86 >            message = StringUtils.replaceText(message, "%thresholdValue%", alert.getThresholdValue());
87 >            message = StringUtils.replaceText(message, "%attributeName%", alert.getAttributeName());
88 >            message = StringUtils.replaceText(message, "%timeTillNextAlert%",  getTimeString(Long.parseLong(alert.getTimeTillNextAlert())));
89 >                        
90 >            try {
91 >                // create SMTP message
92 >                Smtp smtp = new Smtp(cp.getProperty(_name, "Alerter.EMail.smtpServer"));
93 >                // set our sender
94 >                smtp.setSender(cp.getProperty(_name, "Alerter.EMail.sender"));
95 >                
96 >                // get the default destination list
97 >                String destList = cp.getProperty(_name, "Alerter.EMail.defaultDestList");
98 >                // check if the source we're alerting about has a specific destination
99 >                String sourceDestList = cp.getProperty("Host."+alert.getSource(), "Alerter.EMail.destList");
100 >                if(sourceDestList != null) {
101 >                    // if there is a source destination list, use it
102 >                    destList = sourceDestList;
103 >                }
104 >                
105 >                // set the to: list
106 >                StringTokenizer st = new StringTokenizer(destList, ";");
107 >                while (st.hasMoreTokens()) {
108 >                    smtp.setTo(st.nextToken());
109 >                }
110 >    
111 >                // prepare to print the message            
112 >                PrintWriter out = smtp.getOutputStream();
113 >                out.println("Subject: "+subject);
114 >                out.println();
115 >                
116 >                // send the message
117 >                out.println(message);
118 >                smtp.sendMessage();
119 >                smtp.close();
120 >                _logger.write(toString(), Logger.DEBUG, "Sending " + _name + " at "+ alertType + " level");
121 >            }
122 >            catch(IOException e) {
123 >                _logger.write(toString(), Logger.ERROR, "Error whilst sending message: "+e);
124 >            }
125 >            catch(PropertyNotFoundException e) {
126 >                _logger.write(toString(), Logger.ERROR, "Error obtaining essential configuration: "+e);
127 >            }
128 >        }
129      }
130  
131      /**
# Line 59 | Line 153 | public class EMail__PluginAlerter implements PluginAle
153  
154   //---PRIVATE METHODS---
155  
156 +    private String getTimeString(long time) {
157 +        String timeString = null;
158 +        if (time >= 60) {
159 +            timeString = (time / 60) + " minutes";
160 +        } else if (time >= 3600) {
161 +            timeString = ((time/60) / 60) + " hours";
162 +        } else {
163 +            timeString = time + " seconds";
164 +        }
165 +        return timeString;
166 +    }
167 +    
168   //---ACCESSOR/MUTATOR METHODS---
169  
170   //---ATTRIBUTES---
171 <
171 >    
172      /**
173       * This is the friendly identifier of the
174       * component this class is running in.
# Line 72 | Line 178 | public class EMail__PluginAlerter implements PluginAle
178       * can be placed here.  This name could also
179       * be changed to null for utility classes.
180       */
181 <    private String _name = ClientMain.NAME;
181 >    private String _name = "EMail Alert";
182  
183      /**
184       * This holds a reference to the

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