client/monitors/WebFeeder__Monitor.java

//---PACKAGE DECLARATION---
package uk.org.iscream.client.monitors;

//---IMPORTS---
import uk.org.iscream.client.*;
import uk.org.iscream.core.*;
import uk.org.iscream.util.*;
import uk.org.iscream.componentmanager.*;

/**
 * Provides a full XMLPacket feed to the WebFeeder
 *
 * @author  $Author: ajm4 $
 * @version $Id: WebFeeder__Monitor.java,v 1.4 2001/03/22 17:57:06 ajm4 Exp $
 */
public class WebFeeder__Monitor extends Thread implements PluginMonitor {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public static final String REVISION = "$Revision: 1.4 $";
    
    public static final String DESC = "Provides a feed to WebFeeder";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

    public WebFeeder__Monitor() {
        _webFeeder = WebFeeder.getInstance();
        this.start();
    }

//---PUBLIC METHODS---

    public void run() {
        while(_running) {
            try {
                analysePacket((XMLPacket) getQueue().get(getQueueId()));
            } catch (InvalidQueueException e) {
                _logger.write(this.toString(), Logger.ERROR, "Unable to get queue.");
            }
        }
    }

    public void analysePacket(XMLPacket packet) {
        try {
            ConfigurationProxy.getInstance().getProperty("WebFeeder", "WebFeeder.latestActive");
            _webFeeder.receiveXMLPacket(packet);
        } catch (PropertyNotFoundException e) {
            // we don't care, this means we shouldn't be active
        }
    }

    public String getDescription() {
        return DESC;
    }

    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.org.iscream.util.FormatName class
     * to format the toString()
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return FormatName.getName(
            _name,
            getClass().getName(),
            REVISION);
    }

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

    protected Queue getQueue() {
        return MonitorManager.getInstance().getAllQueue();
    }

    protected int getQueueId() {
        if (_qID == -1) {
            _qID = getQueue().getQueue();
        }
        return _qID;
    }

//---ATTRIBUTES---
    
    // reference to the WebFeeder
    WebFeeder _webFeeder;
    
    /**
     * This is the friendly identifier of the
     * component this class is running in.
     * eg, a Filter may be called "filter1",
     * If this class does not have an owning
     * component,  a name from the configuration
     * can be placed here.  This name could also
     * be changed to null for utility classes.
     */
    private String _name = "WebFeeder";

    /**
     * This holds a reference to the
     * system logger that is being used.
     */
    private Logger _logger = ReferenceManager.getInstance().getLogger();
    
    protected int _qID = -1;
    
    protected boolean _running = true;

//---STATIC ATTRIBUTES---

}
Revision:	1.5
Committed:	Thu Mar 22 18:28:24 2001 UTC (23 years, 2 months ago) by ajm
Branch:	MAIN
Changes since 1.4:	+11 -7 lines
Log Message:	now correctly process data from the inbound queue
#	User	Rev	Content
1	tdb	1.1	//---PACKAGE DECLARATION---
2	tdb	1.3	package uk.org.iscream.client.monitors;
3	tdb	1.1
4			//---IMPORTS---
5	tdb	1.3	import uk.org.iscream.client.*;
6			import uk.org.iscream.core.*;
7			import uk.org.iscream.util.*;
8			import uk.org.iscream.componentmanager.*;
9	tdb	1.1
10			/**
11			* Provides a full XMLPacket feed to the WebFeeder
12			*
13	ajm	1.5	* @author $Author: ajm4 $
14			* @version $Id: WebFeeder__Monitor.java,v 1.4 2001/03/22 17:57:06 ajm4 Exp $
15	tdb	1.1	*/
16	ajm	1.4	public class WebFeeder__Monitor extends Thread implements PluginMonitor {
17	tdb	1.1
18			//---FINAL ATTRIBUTES---
19
20			/**
21			* The current CVS revision of this class
22			*/
23	ajm	1.5	public static final String REVISION = "$Revision: 1.4 $";
24	tdb	1.1
25			public static final String DESC = "Provides a feed to WebFeeder";
26
27			//---STATIC METHODS---
28
29			//---CONSTRUCTORS---
30
31			public WebFeeder__Monitor() {
32			_webFeeder = WebFeeder.getInstance();
33	ajm	1.4	this.start();
34	tdb	1.1	}
35
36			//---PUBLIC METHODS---
37
38	ajm	1.4	public void run() {
39	ajm	1.5	while(_running) {
40			try {
41			analysePacket((XMLPacket) getQueue().get(getQueueId()));
42			} catch (InvalidQueueException e) {
43			_logger.write(this.toString(), Logger.ERROR, "Unable to get queue.");
44			}
45	ajm	1.4	}
46			}
47
48	tdb	1.1	public void analysePacket(XMLPacket packet) {
49	tdb	1.2	try {
50			ConfigurationProxy.getInstance().getProperty("WebFeeder", "WebFeeder.latestActive");
51			_webFeeder.receiveXMLPacket(packet);
52			} catch (PropertyNotFoundException e) {
53			// we don't care, this means we shouldn't be active
54			}
55	tdb	1.1	}
56
57			public String getDescription() {
58			return DESC;
59			}
60
61			/**
62			* Overrides the {@link java.lang.Object#toString() Object.toString()}
63			* method to provide clean logging (every class should have this).
64			*
65	tdb	1.3	* This uses the uk.org.iscream.util.FormatName class
66	tdb	1.1	* to format the toString()
67			*
68			* @return the name of this class and its CVS revision
69			*/
70			public String toString() {
71			return FormatName.getName(
72			_name,
73			getClass().getName(),
74			REVISION);
75			}
76
77			//---PRIVATE METHODS---
78
79			//---ACCESSOR/MUTATOR METHODS---
80
81	ajm	1.4	protected Queue getQueue() {
82			return MonitorManager.getInstance().getAllQueue();
83			}
84
85			protected int getQueueId() {
86			if (_qID == -1) {
87			_qID = getQueue().getQueue();
88			}
89			return _qID;
90			}
91
92	tdb	1.1	//---ATTRIBUTES---
93
94			// reference to the WebFeeder
95			WebFeeder _webFeeder;
96
97			/**
98			* This is the friendly identifier of the
99			* component this class is running in.
100			* eg, a Filter may be called "filter1",
101			* If this class does not have an owning
102			* component, a name from the configuration
103			* can be placed here. This name could also
104			* be changed to null for utility classes.
105			*/
106			private String _name = "WebFeeder";
107
108			/**
109			* This holds a reference to the
110			* system logger that is being used.
111			*/
112			private Logger _logger = ReferenceManager.getInstance().getLogger();
113	ajm	1.4
114			protected int _qID = -1;
115	ajm	1.5
116			protected boolean _running = true;
117	tdb	1.1
118			//---STATIC ATTRIBUTES---
119
120			}