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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.conient.datacomponents; |
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package uk.org.iscream.cms.conient.datacomponents; |
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//---IMPORTS--- |
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import javax.swing.JLabel; |
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import java.awt.GridLayout; |
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import java.util.Date; |
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import java.text.DateFormat; |
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import javax.swing.SwingUtilities; |
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import uk.org.iscream.cms.util.XMLPacket; |
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/** |
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* This is DataComponent specifically for converting |
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//---ACCESSOR/MUTATOR METHODS--- |
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/** |
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* This takes the String value of the parameter that this component |
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* is monitoring direct from the packet, it then performs all |
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* approriate conversions and displays the data. |
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* This takes the packet to obtain the value from, it then performs all |
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* approriate conversions and adds this class to the Swing Event |
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* Dispatching queue. |
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* |
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* In this case all we do is change string and pass it to our |
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* super class for displaying. Note that we need to *1000 |
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* as the data standard is for time in seconds, but java likes |
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* milliseconds. |
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* |
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* @param value the value for this data component |
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* @param packet the XMLPacket to get the data from |
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* @throws DataFormatException if there was a problem converting the data for display |
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*/ |
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public void setValue(String value) throws DataFormatException { |
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public void setValue(XMLPacket packet) throws DataFormatException { |
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String value = packet.getParam(_attribute); |
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try { |
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if(!_cache.equals(value)) { |
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_cache = value; |
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value = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value) * 1000)); |
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super.setValue(value); |
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if(!_ourCache.equals(value)) { |
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_ourCache = value; |
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_cache = DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.MEDIUM).format(new Date(Long.parseLong(value) * 1000)); |
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SwingUtilities.invokeLater(this); |
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} |
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} catch (Exception e) { |
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throw new DataFormatException(value + " is an invalid data type for " + toString()); |
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//---ATTRIBUTES--- |
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/** |
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* Remebers what the last value was, so we |
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* Remembers what the last value was, so we |
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* only update if we have to. |
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*/ |
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String _cache = ""; |
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String _ourCache = ""; |
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//---STATIC ATTRIBUTES--- |
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