1 |
ajm |
1.2 |
//---PACKAGE DECLARATION--- |
2 |
|
|
package uk.ac.ukc.iscream.filter.plugins; |
3 |
|
|
|
4 |
|
|
//---IMPORTS--- |
5 |
|
|
import uk.ac.ukc.iscream.filter.PluginFilter; |
6 |
ajm |
1.3 |
import uk.ac.ukc.iscream.filter.*; |
7 |
|
|
import uk.ac.ukc.iscream.core.*; |
8 |
|
|
import uk.ac.ukc.iscream.util.*; |
9 |
tdb |
1.4 |
import uk.ac.ukc.iscream.componentmanager.*; |
10 |
ajm |
1.2 |
|
11 |
|
|
/** |
12 |
|
|
* A first plugin! ;-) |
13 |
|
|
* this one rejects packets that do not contain all of the 'essential' data. |
14 |
|
|
* |
15 |
tdb |
1.5 |
* @author $Author: tdb1 $ |
16 |
|
|
* @version $Id: EnforceEssentialData__Plugin.java,v 1.4 2001/01/18 23:23:14 tdb1 Exp $ |
17 |
ajm |
1.2 |
*/ |
18 |
|
|
public class EnforceEssentialData__Plugin implements PluginFilter { |
19 |
|
|
|
20 |
|
|
//---FINAL ATTRIBUTES--- |
21 |
|
|
|
22 |
|
|
/** |
23 |
|
|
* The current CVS revision of this class |
24 |
|
|
*/ |
25 |
tdb |
1.5 |
public final String REVISION = "$Revision: 1.4 $"; |
26 |
ajm |
1.2 |
|
27 |
tdb |
1.5 |
public final String DESC = "Rejects packets that do not have an ip, machine_name, seq_no, date and type specified as attributes of the root packet tag."; |
28 |
ajm |
1.2 |
|
29 |
|
|
//---STATIC METHODS--- |
30 |
|
|
|
31 |
|
|
//---CONSTRUCTORS--- |
32 |
|
|
|
33 |
|
|
//---PUBLIC METHODS--- |
34 |
|
|
|
35 |
|
|
// apply the filter and return true if successful. |
36 |
|
|
public boolean runFilter(XMLPacket packet){ |
37 |
|
|
|
38 |
|
|
// return false if any of the essential data is not present. |
39 |
|
|
if (packet.getParam("packet.attributes.machine_name") == null |
40 |
|
|
|| packet.getParam("packet.attributes.ip") == null |
41 |
|
|
|| packet.getParam("packet.attributes.seq_no") == null |
42 |
tdb |
1.5 |
|| packet.getParam("packet.attributes.date") == null |
43 |
|
|
|| packet.getParam("packet.attributes.type") == null){ |
44 |
ajm |
1.2 |
return false; |
45 |
|
|
} |
46 |
|
|
|
47 |
|
|
// otherwise return true! |
48 |
|
|
return true; |
49 |
|
|
|
50 |
|
|
} |
51 |
|
|
|
52 |
|
|
/** |
53 |
|
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
54 |
|
|
* method to provide clean logging (every class should have this). |
55 |
|
|
* |
56 |
|
|
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
57 |
|
|
* to format the toString() |
58 |
|
|
* |
59 |
|
|
* @return the name of this class and its CVS revision |
60 |
|
|
*/ |
61 |
|
|
public String toString() { |
62 |
|
|
return FormatName.getName( |
63 |
|
|
_name, |
64 |
|
|
getClass().getName(), |
65 |
|
|
REVISION); |
66 |
|
|
} |
67 |
|
|
|
68 |
|
|
/** |
69 |
|
|
* return the String representation of what the filter does |
70 |
|
|
*/ |
71 |
|
|
public String getDescription(){ |
72 |
|
|
return DESC; |
73 |
|
|
} |
74 |
|
|
|
75 |
|
|
//---PRIVATE METHODS--- |
76 |
|
|
|
77 |
|
|
//---ACCESSOR/MUTATOR METHODS--- |
78 |
|
|
|
79 |
|
|
//---ATTRIBUTES--- |
80 |
|
|
|
81 |
|
|
/** |
82 |
|
|
* This is the friendly identifier of the |
83 |
|
|
* component this class is running in. |
84 |
|
|
* eg, a Filter may be called "filter1", |
85 |
|
|
* If this class does not have an owning |
86 |
|
|
* component, a name from the configuration |
87 |
|
|
* can be placed here. This name could also |
88 |
|
|
* be changed to null for utility classes. |
89 |
|
|
*/ |
90 |
|
|
private String _name = FilterMain.NAME; |
91 |
|
|
|
92 |
|
|
/** |
93 |
|
|
* This holds a reference to the |
94 |
|
|
* system logger that is being used. |
95 |
|
|
*/ |
96 |
|
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
97 |
|
|
|
98 |
|
|
//---STATIC ATTRIBUTES--- |
99 |
|
|
|
100 |
|
|
} |