conient/datacomponents/UptimeDataComponent.java

/* 
 * i-scream central monitoring system
 * http://www.i-scream.org.uk
 * 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 1.6 2002/05/18 18:15:56 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:	1.7
Committed:	Tue May 21 16:47:10 2002 UTC (22 years ago) by tdb
Branch:	MAIN
Changes since 1.6:	+2 -1 lines
Log Message:	Added URL to GPL headers.
#	User	Rev	Content
1	tdb	1.6	/*
2			* i-scream central monitoring system
3	tdb	1.7	* http://www.i-scream.org.uk
4	tdb	1.6	* Copyright (C) 2000-2002 i-scream
5			*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19			*/
20
21	ajm	1.1	//---PACKAGE DECLARATION---
22	tdb	1.5	package uk.org.iscream.cms.conient.datacomponents;
23	ajm	1.1
24			//---IMPORTS---
25			import javax.swing.JLabel;
26			import java.awt.GridLayout;
27			import java.util.Date;
28			import java.text.DateFormat;
29	ajm	1.4	import javax.swing.SwingUtilities;
30	tdb	1.5	import uk.org.iscream.cms.server.util.DateUtils;
31			import uk.org.iscream.cms.server.util.XMLPacket;
32	ajm	1.1
33			/**
34			* This is DataComponent specifically for converting
35			* uptime into a nice format.
36			*
37			* As this is essentially just string data we just
38			* extend StringDataComponent, intercepting the value
39			* to convert it.
40			*
41	tdb	1.6	* @author $Author: tdb $
42	tdb	1.7	* @version $Id: UptimeDataComponent.java,v 1.6 2002/05/18 18:15:56 tdb Exp $
43	ajm	1.1	*/
44			public class UptimeDataComponent extends StringDataComponent {
45
46			//---FINAL ATTRIBUTES---
47
48			//---STATIC METHODS---
49
50			//---CONSTRUCTORS---
51
52			/**
53			* Creates the component with a friendly name to be
54			* used as label, but as we're a very basic
55			* extension of StringDataComponent, we just construct
56			* that.
57			*
58			* @param name the friendly name
59			* @param attribute the data attribute we look after
60			*/
61			public UptimeDataComponent(String name, String attribute) {
62			super(name, attribute);
63			}
64
65			//---PUBLIC METHODS---
66
67			//---PRIVATE METHODS---
68
69			//---ACCESSOR/MUTATOR METHODS---
70
71			/**
72	ajm	1.4	* This takes the packet to obtain the value from, it then performs all
73			* approriate conversions and adds this class to the Swing Event
74			* Dispatching queue.
75	ajm	1.1	*
76			* In this case all we do is change string and pass it to our
77			* super class for displaying. Note that we need to *1000
78			* as the data standard is for time in seconds, but java likes
79			* milliseconds.
80			*
81	ajm	1.4	* @param packet the XMLPacket to get the data from
82	ajm	1.1	* @throws DataFormatException if there was a problem converting the data for display
83			*/
84	ajm	1.4	public void setValue(XMLPacket packet) throws DataFormatException {
85			String value = packet.getParam(_attribute);
86	ajm	1.1	try {
87	ajm	1.4	if(!_ourCache.equals(value)) {
88			_ourCache = value;
89			_cache = DateUtils.formatTime(Long.parseLong(value), "%DAYS% days %HOURS% hours %MINS% mins");
90			SwingUtilities.invokeLater(this);
91	ajm	1.1	}
92			} catch (Exception e) {
93			throw new DataFormatException(value + " is an invalid data type for " + toString());
94			}
95			}
96
97			//---ATTRIBUTES---
98
99			/**
100	ajm	1.4	* Remembers what the last value was, so we
101	ajm	1.1	* only update if we have to.
102			*/
103	ajm	1.4	String _ourCache = "";
104	ajm	1.1
105			//---STATIC ATTRIBUTES---
106
107			}