server/PluginManager/DropAllPackets__Plugin.java

// A first plugin! ;-)
// this one rejects packets that do not contain all of the 'essential' data.

// Plugins must have a suffix of "__Plugin".

// pjm2@ukc.ac.uk

class DropAllPackets__Plugin implements PluginFilter {
    
    // apply the filter and return true if successful.
    public boolean runFilter(XMLPacket packet){
        
        // return false if any of the essential data is not present.
        if (packet.getParam("machine_name") == null
                || packet.getParam("ip") == null
                || packet.getParam("seq_no") == null
                || packet.getParam("machine_name") == null){
            return false;
        }
        
        // otherwise return true!
        return true;
        
    }
    
}
Revision:	1.1
Committed:	Fri Dec 1 09:50:35 2000 UTC (25 years ago) by pjm2
Branch:	MAIN
Log Message:	An experimental Plugin Filter Pipeline "proof of concept" Demonstration. Run "java PluginDemo" to see what it does. PluginFilters implement the PluginFilter interface.
#	User	Rev	Content
1	pjm2	1.1	// 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 DropAllPackets__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("machine_name") == null
15			\|\| packet.getParam("ip") == null
16			\|\| packet.getParam("seq_no") == null
17			\|\| packet.getParam("machine_name") == null){
18			return false;
19			}
20
21			// otherwise return true!
22			return true;
23
24			}
25
26			}