| 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 |
|
|
import uk.ac.ukc.iscream.util.XMLPacket; |
| 7 |
|
|
|
| 8 |
|
|
/** |
| 9 |
|
|
* A first plugin! ;-) |
| 10 |
|
|
* this one rejects packets that do not contain all of the 'essential' data. |
| 11 |
|
|
* |
| 12 |
|
|
* @author $Author: tdb1 $ |
| 13 |
|
|
* @version $Id: EnforceEssentialData__Plugin.java,v 1.1 2000/12/06 22:59:29 tdb1 Exp $ |
| 14 |
|
|
*/ |
| 15 |
|
|
public class EnforceEssentialData__Plugin implements PluginFilter { |
| 16 |
|
|
|
| 17 |
|
|
//---FINAL ATTRIBUTES--- |
| 18 |
|
|
|
| 19 |
|
|
/** |
| 20 |
|
|
* The current CVS revision of this class |
| 21 |
|
|
*/ |
| 22 |
|
|
public final String REVISION = "$Revision: 1.1 $"; |
| 23 |
|
|
|
| 24 |
|
|
public final String DESC = "Rejects packets that do not have an ip, machine_name, seq_no and date specified as attributes of the root packet tag."; |
| 25 |
|
|
|
| 26 |
|
|
//---STATIC METHODS--- |
| 27 |
|
|
|
| 28 |
|
|
//---CONSTRUCTORS--- |
| 29 |
|
|
|
| 30 |
|
|
//---PUBLIC METHODS--- |
| 31 |
|
|
|
| 32 |
|
|
// apply the filter and return true if successful. |
| 33 |
|
|
public boolean runFilter(XMLPacket packet){ |
| 34 |
|
|
|
| 35 |
|
|
// return false if any of the essential data is not present. |
| 36 |
|
|
if (packet.getParam("packet.attributes.machine_name") == null |
| 37 |
|
|
|| packet.getParam("packet.attributes.ip") == null |
| 38 |
|
|
|| packet.getParam("packet.attributes.seq_no") == null |
| 39 |
|
|
|| packet.getParam("packet.attributes.date") == null){ |
| 40 |
|
|
return false; |
| 41 |
|
|
} |
| 42 |
|
|
|
| 43 |
|
|
// otherwise return true! |
| 44 |
|
|
return true; |
| 45 |
|
|
|
| 46 |
|
|
} |
| 47 |
|
|
|
| 48 |
|
|
/** |
| 49 |
|
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 50 |
|
|
* method to provide clean logging (every class should have this). |
| 51 |
|
|
* |
| 52 |
|
|
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
| 53 |
|
|
* to format the toString() |
| 54 |
|
|
* |
| 55 |
|
|
* @return the name of this class and its CVS revision |
| 56 |
|
|
*/ |
| 57 |
|
|
public String toString() { |
| 58 |
|
|
return FormatName.getName( |
| 59 |
|
|
_name, |
| 60 |
|
|
getClass().getName(), |
| 61 |
|
|
REVISION); |
| 62 |
|
|
} |
| 63 |
|
|
|
| 64 |
|
|
/** |
| 65 |
|
|
* return the String representation of what the filter does |
| 66 |
|
|
*/ |
| 67 |
|
|
public String getDescription(){ |
| 68 |
|
|
return DESC; |
| 69 |
|
|
} |
| 70 |
|
|
|
| 71 |
|
|
//---PRIVATE METHODS--- |
| 72 |
|
|
|
| 73 |
|
|
//---ACCESSOR/MUTATOR METHODS--- |
| 74 |
|
|
|
| 75 |
|
|
//---ATTRIBUTES--- |
| 76 |
|
|
|
| 77 |
|
|
/** |
| 78 |
|
|
* This is the friendly identifier of the |
| 79 |
|
|
* component this class is running in. |
| 80 |
|
|
* eg, a Filter may be called "filter1", |
| 81 |
|
|
* If this class does not have an owning |
| 82 |
|
|
* component, a name from the configuration |
| 83 |
|
|
* can be placed here. This name could also |
| 84 |
|
|
* be changed to null for utility classes. |
| 85 |
|
|
*/ |
| 86 |
|
|
private String _name = FilterMain.NAME; |
| 87 |
|
|
|
| 88 |
|
|
/** |
| 89 |
|
|
* This holds a reference to the |
| 90 |
|
|
* system logger that is being used. |
| 91 |
|
|
*/ |
| 92 |
|
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 93 |
|
|
|
| 94 |
|
|
//---STATIC ATTRIBUTES--- |
| 95 |
|
|
|
| 96 |
|
|
} |
