| 1 |
|
//---PACKAGE DECLARATION--- |
| 2 |
< |
package uk.ac.ukc.iscream.filter; |
| 2 |
> |
package uk.org.iscream.filter; |
| 3 |
|
|
| 4 |
|
//---IMPORTS--- |
| 5 |
|
import java.io.*; |
| 6 |
|
import java.net.*; |
| 7 |
|
import java.util.*; |
| 8 |
< |
import uk.ac.ukc.iscream.core.*; |
| 9 |
< |
import uk.ac.ukc.iscream.componentmanager.*; |
| 10 |
< |
import uk.ac.ukc.iscream.filter.*; |
| 11 |
< |
import uk.ac.ukc.iscream.util.*; |
| 8 |
> |
import uk.org.iscream.core.*; |
| 9 |
> |
import uk.org.iscream.componentmanager.*; |
| 10 |
> |
import uk.org.iscream.filter.*; |
| 11 |
> |
import uk.org.iscream.util.*; |
| 12 |
|
|
| 13 |
|
/** |
| 14 |
|
* Handle an incoming packet as a separate thread. |
| 38 |
|
* Constructs an instance of a FilterThread |
| 39 |
|
* |
| 40 |
|
* @param queue the Queue this filter is using |
| 41 |
– |
* @param parent a CORBA reference to our parent filter |
| 41 |
|
*/ |
| 42 |
< |
public FilterThread(Queue queue, Filter parent){ |
| 43 |
< |
_parent = parent; |
| 42 |
> |
public FilterThread(Queue queue){ |
| 43 |
> |
// set the Thread name |
| 44 |
> |
setName("filter.FilterThread"); |
| 45 |
> |
|
| 46 |
|
_queue = queue; |
| 47 |
|
_logger.write(toString(), Logger.SYSINIT, "created"); |
| 48 |
|
} |
| 54 |
|
* sending it on to the parent filter. |
| 55 |
|
*/ |
| 56 |
|
public void run(){ |
| 57 |
+ |
// setup the XMLPacketMaker |
| 58 |
+ |
XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(); |
| 59 |
|
// get a queue for ourselves |
| 60 |
|
int n = _queue.getQueue(); |
| 61 |
|
// keep these out here, saves recreating the object |
| 62 |
|
String xml = null; |
| 63 |
+ |
String parentFilterName = ""; |
| 64 |
+ |
Filter parent = null; |
| 65 |
|
while(true) { |
| 66 |
|
// get a String of xml |
| 67 |
|
try { |
| 89 |
|
} |
| 90 |
|
|
| 91 |
|
// Use XMLPacketMaker to make an XMLPacket object. |
| 92 |
< |
XMLPacketMaker xmlPacketMaker = new XMLPacketMaker(xml); |
| 93 |
< |
XMLPacket packet = xmlPacketMaker.createXMLPacket(); |
| 94 |
< |
|
| 95 |
< |
if(packet != null && PluginFilterManager.getInstance().runFilters(packet)) { |
| 96 |
< |
// packet is not null |
| 97 |
< |
// packet was not dropped by a plugin |
| 98 |
< |
// ... best pass it on ! |
| 94 |
< |
_parent.receiveXML(xml); |
| 92 |
> |
XMLPacket packet = null; |
| 93 |
> |
try { |
| 94 |
> |
packet = xmlPacketMaker.createXMLPacket(xml); |
| 95 |
> |
} catch(InvalidXMLException e) { |
| 96 |
> |
_logger.write(toString(), Logger.ERROR, "Invalid XML: "+e); |
| 97 |
> |
// skip the rest of this loop iteration |
| 98 |
> |
continue; |
| 99 |
|
} |
| 100 |
+ |
|
| 101 |
+ |
// get parent |
| 102 |
+ |
try { |
| 103 |
+ |
String newParent = ConfigurationProxy.getInstance().getProperty(FilterMain.NAME, "Filter.parentFilter"); |
| 104 |
+ |
if(!parentFilterName.equals(newParent)) { |
| 105 |
+ |
parentFilterName = newParent; |
| 106 |
+ |
parent = FilterHelper.narrow(_refman.getCORBARef("iscream.Filter." + parentFilterName)); |
| 107 |
+ |
_logger.write(toString(), Logger.DEBUG, "Parent filter changed to: "+parentFilterName); |
| 108 |
+ |
} |
| 109 |
+ |
} catch (PropertyNotFoundException e) { |
| 110 |
+ |
continue; |
| 111 |
+ |
} |
| 112 |
+ |
|
| 113 |
+ |
// XMLPacket is ok, run filters... |
| 114 |
+ |
if(PluginFilterManager.getInstance().runFilters(packet)) { |
| 115 |
+ |
// and pass it on... |
| 116 |
+ |
parent.receiveXML(xml); |
| 117 |
+ |
} |
| 118 |
|
else { |
| 119 |
< |
// either we had a null, or a plugin dropped it |
| 120 |
< |
_logger.write(toString(), Logger.DEBUG, "A UDP packet containing ill-parsing XML was rejected."); |
| 119 |
> |
// ... or filtered it |
| 120 |
> |
_logger.write(toString(), Logger.DEBUG, "An XML packet was sucessfully filtered from the system."); |
| 121 |
|
} |
| 122 |
|
} |
| 123 |
|
} |
| 126 |
|
* Overrides the {@link java.lang.Object#toString() Object.toString()} |
| 127 |
|
* method to provide clean logging (every class should have this). |
| 128 |
|
* |
| 129 |
< |
* This uses the uk.ac.ukc.iscream.util.NameFormat class |
| 129 |
> |
* This uses the uk.org.iscream.util.NameFormat class |
| 130 |
|
* to format the toString() |
| 131 |
|
* |
| 132 |
|
* @return the name of this class and its CVS revision |
| 143 |
|
//---ACCESSOR/MUTATOR METHODS--- |
| 144 |
|
|
| 145 |
|
//---ATTRIBUTES--- |
| 124 |
– |
|
| 125 |
– |
/** |
| 126 |
– |
* Our parent filter |
| 127 |
– |
*/ |
| 128 |
– |
Filter _parent; |
| 146 |
|
|
| 147 |
|
/** |
| 148 |
|
* The Queue object |
| 165 |
|
* system logger that is being used. |
| 166 |
|
*/ |
| 167 |
|
private Logger _logger = ReferenceManager.getInstance().getLogger(); |
| 168 |
+ |
|
| 169 |
+ |
/** |
| 170 |
+ |
* A reference to the reference manager in use |
| 171 |
+ |
*/ |
| 172 |
+ |
private ReferenceManager _refman = ReferenceManager.getInstance(); |
| 173 |
|
|
| 174 |
|
//---STATIC ATTRIBUTES--- |
| 175 |
|
|
