| 1 |
// A first plugin! ;-) |
| 2 |
// this one rejects packets that do not contain all of the 'essential' data. |
| 3 |
|
| 4 |
// Plugins must have a suffix of "__Plugin". |
| 5 |
|
| 6 |
// pjm2@ukc.ac.uk |
| 7 |
|
| 8 |
class EnforceEssentialData__Plugin implements PluginFilter { |
| 9 |
|
| 10 |
// apply the filter and return true if successful. |
| 11 |
public boolean runFilter(XMLPacket packet){ |
| 12 |
|
| 13 |
// return false if any of the essential data is not present. |
| 14 |
if (packet.getParam("packet.attributes.machine_name") == null |
| 15 |
|| packet.getParam("packet.attributes.ip") == null |
| 16 |
|| packet.getParam("packet.attributes.seq_no") == null |
| 17 |
|| packet.getParam("packet.attributes.date") == null){ |
| 18 |
return false; |
| 19 |
} |
| 20 |
|
| 21 |
// otherwise return true! |
| 22 |
return true; |
| 23 |
|
| 24 |
} |
| 25 |
|
| 26 |
// return the String representation of what the filter does |
| 27 |
public String getDescription(){ |
| 28 |
return "Rejects packets that do not have an ip, machine_name, seq_no and date specified as attributes of the root packet tag."; |
| 29 |
} |
| 30 |
|
| 31 |
} |