conient/datacomponents/DateDataComponent.java

//---PACKAGE DECLARATION---

//---IMPORTS---
import javax.swing.JLabel;
import java.awt.GridLayout;
import java.util.Date;
import java.text.DateFormat;

/**
 * This is DataComponent specifically for converting
 * time since epoc dates into a nice format.
 *
 * As this is essentially just string data we just
 * extend StringDataComponent, intercepting the value
 * to convert it.
 *
 * It uses the JProgressBar to display the value.
 *
 * @author  $Author: ajm4 $
 * @version $Id: CPUDataComponent.java,v 1.1 2001/01/22 03:03:39 ajm4 Exp $
 */
public class DateDataComponent extends StringDataComponent {

//---FINAL ATTRIBUTES---

//---STATIC METHODS---

//---CONSTRUCTORS---

    /**
     * Creates the component with a friendly name to be 
     * used as label, but as we're a very basic
     * extension of StringDataComponent, we just construct
     * that.
     *
     * @param name the friendly name
     */
    public DateDataComponent(String name) {
        super(name);
    }

//---PUBLIC METHODS---

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---
     
    /**
     * This takes the String value of the parameter that this component
     * is monitoring direct from the packet, it then performs all
     * approriate conversions and displays the data.
     *
     * In this case all we do is change string and pass it to our
     * super class for displaying.
     *
     * @param value the value for this data component
     * @throws DataFormatException if there was a problem converting the data for display
     */
    public void setValue(String value) throws DataFormatException {
        try {
            value = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value)));
            super.setValue(value);
        } catch (Exception e) {
            throw new DataFormatException("invalid data type for component");
        }
    }        

//---ATTRIBUTES---

//---STATIC ATTRIBUTES---

}
Revision:	1.2
Committed:	Mon Jan 22 12:32:14 2001 UTC (23 years, 4 months ago) by ajm
Branch:	MAIN
Changes since 1.1:	+54 -1 lines
Log Message:	All tidy now, fully javadoc comments
#	User	Rev	Content
1	ajm	1.2	//---PACKAGE DECLARATION---
2
3			//---IMPORTS---
4	ajm	1.1	import javax.swing.JLabel;
5			import java.awt.GridLayout;
6			import java.util.Date;
7			import java.text.DateFormat;
8
9	ajm	1.2	/**
10			* This is DataComponent specifically for converting
11			* time since epoc dates into a nice format.
12			*
13			* As this is essentially just string data we just
14			* extend StringDataComponent, intercepting the value
15			* to convert it.
16			*
17			* It uses the JProgressBar to display the value.
18			*
19			* @author $Author: ajm4 $
20			* @version $Id: CPUDataComponent.java,v 1.1 2001/01/22 03:03:39 ajm4 Exp $
21			*/
22	ajm	1.1	public class DateDataComponent extends StringDataComponent {
23	ajm	1.2
24			//---FINAL ATTRIBUTES---
25
26			//---STATIC METHODS---
27
28			//---CONSTRUCTORS---
29
30			/**
31			* Creates the component with a friendly name to be
32			* used as label, but as we're a very basic
33			* extension of StringDataComponent, we just construct
34			* that.
35			*
36			* @param name the friendly name
37			*/
38	ajm	1.1	public DateDataComponent(String name) {
39			super(name);
40			}
41	ajm	1.2
42			//---PUBLIC METHODS---
43
44			//---PRIVATE METHODS---
45
46			//---ACCESSOR/MUTATOR METHODS---
47
48			/**
49			* This takes the String value of the parameter that this component
50			* is monitoring direct from the packet, it then performs all
51			* approriate conversions and displays the data.
52			*
53			* In this case all we do is change string and pass it to our
54			* super class for displaying.
55			*
56			* @param value the value for this data component
57			* @throws DataFormatException if there was a problem converting the data for display
58			*/
59	ajm	1.1	public void setValue(String value) throws DataFormatException {
60			try {
61			value = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value)));
62			super.setValue(value);
63			} catch (Exception e) {
64			throw new DataFormatException("invalid data type for component");
65			}
66			}
67	ajm	1.2
68			//---ATTRIBUTES---
69
70			//---STATIC ATTRIBUTES---
71
72	ajm	1.1	}