conient/datacomponents/UptimeDataComponent.java

/* 
 * i-scream central monitoring system
 * Copyright (C) 2000-2002 i-scream
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

//---PACKAGE DECLARATION---
package uk.org.iscream.cms.conient.datacomponents;

//---IMPORTS---
import javax.swing.JLabel;
import java.awt.GridLayout;
import java.util.Date;
import java.text.DateFormat;
import javax.swing.SwingUtilities;
import uk.org.iscream.cms.server.util.DateUtils;
import uk.org.iscream.cms.server.util.XMLPacket;

/**
 * This is DataComponent specifically for converting
 * uptime into a nice format.
 *
 * As this is essentially just string data we just
 * extend StringDataComponent, intercepting the value
 * to convert it.
 *
 * @author  $Author: tdb $
 * @version $Id: UptimeDataComponent.java,v 1.5 2001/05/29 17:41:32 tdb Exp $
 */
public class UptimeDataComponent 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
     * @param attribute the data attribute we look after
     */
    public UptimeDataComponent(String name, String attribute) {
        super(name, attribute);
    }

//---PUBLIC METHODS---

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---
     
    /**
     * This takes the packet to obtain the value from, it then performs all
     * approriate conversions and adds this class to the Swing Event
     * Dispatching queue.
     *
     * In this case all we do is change string and pass it to our
     * super class for displaying.  Note that we need to *1000
     * as the data standard is for time in seconds, but java likes
     * milliseconds.
     *
     * @param packet the XMLPacket to get the data from
     * @throws DataFormatException if there was a problem converting the data for display
     */
    public void setValue(XMLPacket packet) throws DataFormatException {
        String value = packet.getParam(_attribute);
        try {
            if(!_ourCache.equals(value)) {
                _ourCache = value;
                _cache = DateUtils.formatTime(Long.parseLong(value), "%DAYS% days %HOURS% hours %MINS% mins");
                SwingUtilities.invokeLater(this);
            }
        } catch (Exception e) {
            throw new DataFormatException(value + " is an invalid data type for " + toString());
        }
    }        

//---ATTRIBUTES---

    /**
     * Remembers what the last value was, so we
     * only update if we have to.
     */    
    String _ourCache = "";

//---STATIC ATTRIBUTES---

}
Revision:	1.6
Committed:	Sat May 18 18:15:56 2002 UTC (22 years ago) by tdb
Branch:	MAIN
Changes since 1.5:	+21 -2 lines
Log Message:	i-scream is now licensed under the GPL. I've added the GPL headers to every source file, and put a full copy of the license in the appropriate places. I think I've covered everything. This is going to be a mad commit ;)
#	User	Rev	Content
1	tdb	1.6	/*
2			* i-scream central monitoring system
3			* Copyright (C) 2000-2002 i-scream
4			*
5			* This program is free software; you can redistribute it and/or
6			* modify it under the terms of the GNU General Public License
7			* as published by the Free Software Foundation; either version 2
8			* of the License, or (at your option) any later version.
9			*
10			* This program is distributed in the hope that it will be useful,
11			* but WITHOUT ANY WARRANTY; without even the implied warranty of
12			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13			* GNU General Public License for more details.
14			*
15			* You should have received a copy of the GNU General Public License
16			* along with this program; if not, write to the Free Software
17			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18			*/
19
20	ajm	1.1	//---PACKAGE DECLARATION---
21	tdb	1.5	package uk.org.iscream.cms.conient.datacomponents;
22	ajm	1.1
23			//---IMPORTS---
24			import javax.swing.JLabel;
25			import java.awt.GridLayout;
26			import java.util.Date;
27			import java.text.DateFormat;
28	ajm	1.4	import javax.swing.SwingUtilities;
29	tdb	1.5	import uk.org.iscream.cms.server.util.DateUtils;
30			import uk.org.iscream.cms.server.util.XMLPacket;
31	ajm	1.1
32			/**
33			* This is DataComponent specifically for converting
34			* uptime into a nice format.
35			*
36			* As this is essentially just string data we just
37			* extend StringDataComponent, intercepting the value
38			* to convert it.
39			*
40	tdb	1.6	* @author $Author: tdb $
41			* @version $Id: UptimeDataComponent.java,v 1.5 2001/05/29 17:41:32 tdb Exp $
42	ajm	1.1	*/
43			public class UptimeDataComponent extends StringDataComponent {
44
45			//---FINAL ATTRIBUTES---
46
47			//---STATIC METHODS---
48
49			//---CONSTRUCTORS---
50
51			/**
52			* Creates the component with a friendly name to be
53			* used as label, but as we're a very basic
54			* extension of StringDataComponent, we just construct
55			* that.
56			*
57			* @param name the friendly name
58			* @param attribute the data attribute we look after
59			*/
60			public UptimeDataComponent(String name, String attribute) {
61			super(name, attribute);
62			}
63
64			//---PUBLIC METHODS---
65
66			//---PRIVATE METHODS---
67
68			//---ACCESSOR/MUTATOR METHODS---
69
70			/**
71	ajm	1.4	* This takes the packet to obtain the value from, it then performs all
72			* approriate conversions and adds this class to the Swing Event
73			* Dispatching queue.
74	ajm	1.1	*
75			* In this case all we do is change string and pass it to our
76			* super class for displaying. Note that we need to *1000
77			* as the data standard is for time in seconds, but java likes
78			* milliseconds.
79			*
80	ajm	1.4	* @param packet the XMLPacket to get the data from
81	ajm	1.1	* @throws DataFormatException if there was a problem converting the data for display
82			*/
83	ajm	1.4	public void setValue(XMLPacket packet) throws DataFormatException {
84			String value = packet.getParam(_attribute);
85	ajm	1.1	try {
86	ajm	1.4	if(!_ourCache.equals(value)) {
87			_ourCache = value;
88			_cache = DateUtils.formatTime(Long.parseLong(value), "%DAYS% days %HOURS% hours %MINS% mins");
89			SwingUtilities.invokeLater(this);
90	ajm	1.1	}
91			} catch (Exception e) {
92			throw new DataFormatException(value + " is an invalid data type for " + toString());
93			}
94			}
95
96			//---ATTRIBUTES---
97
98			/**
99	ajm	1.4	* Remembers what the last value was, so we
100	ajm	1.1	* only update if we have to.
101			*/
102	ajm	1.4	String _ourCache = "";
103	ajm	1.1
104			//---STATIC ATTRIBUTES---
105
106			}