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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.conient; |
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|
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.util.*; |
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import uk.ac.ukc.iscream.conient.datacomponents.*; |
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import javax.swing.*; |
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import javax.swing.border.*; |
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import java.util.*; |
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import java.awt.*; |
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import java.awt.event.*; |
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|
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/** |
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* |
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* @author $Author: ajm4 $ |
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* @version $Id: QueueFrame.java,v 1.1 2001/02/25 21:23:38 ajm4 Exp $ |
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*/ |
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public class QueueFrame extends JFrame { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: 1.1 $"; |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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/** |
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* |
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*/ |
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public QueueFrame() { |
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super("Server Queue Status"); |
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//addVisibleDataComponent(_conent, new StringDataComponent("Host Name", "packet.attributes.machine_name")); |
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|
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getContentPane().add(_content, "Center"); |
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JButton close = new JButton("Close Window"); |
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close.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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dispose(); |
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} |
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}); |
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getContentPane().add(close, "South"); |
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setIconImage((new ImageIcon("./uk/ac/ukc/iscream/conient/server.gif")).getImage()); |
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pack(); |
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setVisible(true); |
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} |
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|
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//---PUBLIC METHODS--- |
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|
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/** |
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* Process an incoming packet, updates the components. |
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* |
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* @param packet the packet to process |
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* |
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* @return if the proceesing was successful |
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*/ |
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public boolean update(XMLPacket packet) { |
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// iterate over the packets data |
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boolean displaySucessful = true; |
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String queueName = packet.getParam("packet.attributes.name"); |
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|
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// if there are no components looking after this data |
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// create a new StringDataComponent for it |
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if(!_queues.containsKey(queueName)) { |
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addQueue(packet); |
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} |
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|
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// try and update the component, if it doesn't like what it gets |
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// warn the user and set that this was an unsucessful display |
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try { |
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updateQueueInformation(packet); |
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} catch (DataFormatException e) { |
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Conient.addMessage("WARNING{queue frame}: " + e.getMessage()); |
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displaySucessful = false; |
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} |
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return displaySucessful; |
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} |
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|
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//---PRIVATE METHODS--- |
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|
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private void addQueue(XMLPacket packet) { |
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HashMap newQueue = new HashMap(); |
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String queueName = packet.getParam("packet.attributes.name"); |
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VisibleDataComponent date = new DateDataComponent("Last timestamp", "packet.attributes.date"); |
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VisibleDataComponent total = new StringDataComponent("Total queued to date", "packet.queue.attributes.total"); |
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newQueue.put("packet.attributes.name", new StringDataComponent("Name", "packet.attributes.name")); |
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newQueue.put("packet.queue.attributes.total", total); |
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newQueue.put("packet.attributes.date", date); |
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JPanel newQueueDisplay = new JPanel(); |
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newQueueDisplay.setLayout(new BoxLayout(newQueueDisplay, BoxLayout.Y_AXIS)); |
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newQueueDisplay.setBorder(new TitledBorder(new LineBorder(new Color(0, 0, 102)), queueName)); |
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newQueueDisplay.add(date); |
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newQueueDisplay.add(total); |
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_queuesDisplays.put(queueName, newQueueDisplay); |
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try { |
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SwingSafeAdd task = new SwingSafeAdd(_content, newQueueDisplay); |
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SwingUtilities.invokeAndWait(task); |
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} catch (Exception e) { |
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// don't care |
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} |
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pack(); |
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_queues.put(queueName, newQueue); |
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} |
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|
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private void updateQueueInformation(XMLPacket packet) throws DataFormatException { |
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String queueName = packet.getParam("packet.attributes.name"); |
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HashMap components = (HashMap) _queues.get(queueName); |
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Set packetSet = packet.getSet(); |
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Iterator i = packetSet.iterator(); |
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while (i.hasNext()) { |
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String dataKey = (String) i.next(); |
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// if there are no components looking after this data |
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// create a new StringDataComponent for it |
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if(!components.containsKey(dataKey)) { |
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// check if its a disk drive, if it is then we need to deal with it |
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if(dataKey.startsWith("packet.queue.attributes.queue")) { |
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VisibleDataComponent queue = new StringDataComponent("Current length of " + dataKey.substring(dataKey.lastIndexOf('.') + 1), dataKey); |
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components.put(dataKey, queue); |
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try { |
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SwingSafeAdd task = new SwingSafeAdd((JPanel)_queuesDisplays.get(queueName), queue); |
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SwingUtilities.invokeAndWait(task); |
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} catch (Exception e) { |
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// don't care |
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} |
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pack(); |
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} |
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// note we ignore all other attributes |
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} |
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if(components.containsKey(dataKey)) { |
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((DataComponent) components.get(dataKey)).setValue(packet.getParam(dataKey)); |
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} |
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} |
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} |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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//---ATTRIBUTES--- |
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|
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/** |
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* The components that we already know about |
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* connected with the attributes they care about |
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* are stored here. |
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*/ |
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private HashMap _queues = new HashMap(); |
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private HashMap _queuesDisplays = new HashMap(); |
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|
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private Box _content = Box.createVerticalBox(); |
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|
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//---STATIC ATTRIBUTES--- |
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|
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} |
