cms/conient/DataReader.java

//---PACKAGE DECLARATION---
package uk.ac.ukc.iscream.conient;

//---IMPORTS---
import java.io.*;
import uk.ac.ukc.iscream.util.*;

/**
 * The class reads in data from a BufferedReader,
 * it then converts it to an XMLPacket and adds
 * it to its Queue for anything that wants it.
 *
 * @author  $Author: ajm4 $
 * @version $Id: DataReader.java,v 1.7 2001/01/24 03:09:45 ajm4 Exp $
 */
public class DataReader extends Thread {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.7 $";
   
//---STATIC METHODS---

//---CONSTRUCTORS---

    /**
     * Constructs a new data reader, giving it its BufferedReader
     * and Queue.
     *
     * @param inBound the BufferedReader this class should use
     * @param dataQueue the queue new data should be placed on
     */
    public DataReader(BufferedReader inBound, Queue dataQueue) {
        _inBound = inBound;
        _dataQueue = dataQueue;
    }

//---PUBLIC METHODS---

    /**
     * This thread reads data from the BufferedReader.
     * It does this until either there is a problem
     * or it is told to stop.
     *
     * Any data it reads it converts to XML and then 
     * adds to its queue.
     */
    public void run() {
        try {
            String line;
            
            // continue until we are told to stop
            while (_running) {
                line = _inBound.readLine();
                _dataQueue.add(line);
            }
        
            // close the BufferedReader
            _inBound.close();
        
        } catch (IOException e) {
            Conient.addMessage("Data Channel Shutdown: reason - "+e);
            _running = false;
        }
    }

    /**
     * This method allows other classes 
     * to shutdown this data reader.
     */
    public void shutdown() {
        _running = false;
    }

//---PRIVATE METHODS---

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

//---ATTRIBUTES---

    /**
     * The reader we are reading from.
     */
    BufferedReader _inBound;
    
    /**
     * The Queue we place data on.
     */
    Queue _dataQueue;
    
    /**
     * The state of this thread.
     */
    boolean _running = true;
    
//---STATIC ATTRIBUTES---

}
Revision:	1.8
Committed:	Wed Jan 24 03:21:25 2001 UTC (23 years, 3 months ago) by ajm
Branch:	MAIN
Changes since 1.7:	+3 -3 lines
Log Message:	changes for SwingClient.java -> Conient.java
#	User	Rev	Content
1	ajm	1.1	//---PACKAGE DECLARATION---
2	ajm	1.7	package uk.ac.ukc.iscream.conient;
3	ajm	1.1
4			//---IMPORTS---
5			import java.io.*;
6	ajm	1.5	import uk.ac.ukc.iscream.util.*;
7	ajm	1.1
8			/**
9	ajm	1.7	* The class reads in data from a BufferedReader,
10			* it then converts it to an XMLPacket and adds
11			* it to its Queue for anything that wants it.
12	ajm	1.1	*
13	ajm	1.2	* @author $Author: ajm4 $
14	ajm	1.8	* @version $Id: DataReader.java,v 1.7 2001/01/24 03:09:45 ajm4 Exp $
15	ajm	1.1	*/
16			public class DataReader extends Thread {
17
18			//---FINAL ATTRIBUTES---
19
20			/**
21			* The current CVS revision of this class
22			*/
23	ajm	1.8	public final String REVISION = "$Revision: 1.7 $";
24	ajm	1.1
25			//---STATIC METHODS---
26
27			//---CONSTRUCTORS---
28
29	ajm	1.7	/**
30			* Constructs a new data reader, giving it its BufferedReader
31			* and Queue.
32			*
33			* @param inBound the BufferedReader this class should use
34			* @param dataQueue the queue new data should be placed on
35			*/
36	ajm	1.5	public DataReader(BufferedReader inBound, Queue dataQueue) {
37	ajm	1.1	_inBound = inBound;
38	ajm	1.5	_dataQueue = dataQueue;
39	ajm	1.1	}
40
41			//---PUBLIC METHODS---
42
43	ajm	1.7	/**
44			* This thread reads data from the BufferedReader.
45			* It does this until either there is a problem
46			* or it is told to stop.
47			*
48			* Any data it reads it converts to XML and then
49			* adds to its queue.
50			*/
51	ajm	1.1	public void run() {
52	ajm	1.3	try {
53	ajm	1.7	String line;
54
55			// continue until we are told to stop
56	ajm	1.6	while (_running) {
57	ajm	1.7	line = _inBound.readLine();
58			_dataQueue.add(line);
59	ajm	1.6	}
60
61	ajm	1.7	// close the BufferedReader
62	ajm	1.6	_inBound.close();
63
64	ajm	1.3	} catch (IOException e) {
65	ajm	1.8	Conient.addMessage("Data Channel Shutdown: reason - "+e);
66	ajm	1.7	_running = false;
67	ajm	1.1	}
68			}
69
70	ajm	1.7	/**
71			* This method allows other classes
72			* to shutdown this data reader.
73			*/
74			public void shutdown() {
75			_running = false;
76			}
77
78	ajm	1.1	//---PRIVATE METHODS---
79
80			//---ACCESSOR/MUTATOR METHODS---
81
82			//---ATTRIBUTES---
83
84	ajm	1.7	/**
85			* The reader we are reading from.
86			*/
87	ajm	1.1	BufferedReader _inBound;
88	ajm	1.7
89			/**
90			* The Queue we place data on.
91			*/
92	ajm	1.5	Queue _dataQueue;
93	ajm	1.7
94			/**
95			* The state of this thread.
96			*/
97			boolean _running = true;
98
99	ajm	1.1	//---STATIC ATTRIBUTES---
100
101			}