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mojays |
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package appl.parallel.starter.client; |
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import java.awt.Color; |
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import java.awt.Component; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.rmi.RemoteException; |
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import java.util.Vector; |
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import javax.swing.DefaultListCellRenderer; |
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import javax.swing.DefaultListModel; |
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import javax.swing.JList; |
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import org.apache.log4j.LogManager; |
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import org.apache.log4j.Logger; |
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import appl.parallel.client.RemoteExecutionController; |
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import appl.parallel.services.HostnameDiscoveryService; |
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import appl.parallel.starter.Starter; |
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import appl.parallel.starter.server.XuluServerStarter; |
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/** |
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* This is the Controller for the {@link XuluStarterControllerFrame}, which is |
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* the user interface for the {@link XuluServerStarter}. All events are handled |
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* here. <br> |
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* |
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* The controller updates a list of {@link Starter}s it finds in the network. |
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* At the moment is uses the {@link HostnameDiscoveryService} to discover |
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* starters. |
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* |
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* @see HostnameDiscoveryService#getStarterContainers() |
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* @author Dominik Appl |
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*/ |
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public class XuluStarterController implements ActionListener { |
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Logger LOG = LogManager.getLogger(this.getClass().getName()); |
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private XuluStarterClientPanel GUI; |
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private HostnameDiscoveryService discovery; |
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private Vector<StarterContainer> currentData; |
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/** |
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* |
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*/ |
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public XuluStarterController() { |
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GUI = new XuluStarterClientPanel(); |
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// start simpleDiscovery service |
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discovery = new HostnameDiscoveryService(); |
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discovery.startService(); |
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updateList(); |
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initGUI(); |
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} |
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private void initGUI() { |
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GUI.startButton.addActionListener(this); |
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GUI.stopButton.addActionListener(this); |
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GUI.refreshButton.addActionListener(this); |
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GUI.restartButton.addActionListener(this); |
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} |
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public XuluStarterClientPanel getPanel() { |
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return GUI; |
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} |
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/** |
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* |
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*/ |
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private void updateList() { |
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currentData = discovery.getStarterContainers(); |
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GUI.serverList.setCellRenderer(new MyCellRenderer(currentData)); |
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// DefaultListModel serverListModel = new DefaultListModel(); |
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// GUI.serverList.setModel(serverListModel); |
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GUI.serverList.setListData(currentData); |
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} |
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private Starter getSelectedStarter() { |
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Object value = GUI.serverList.getSelectedValue(); |
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if (value != null) { |
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return ((StarterContainer) value).getStarter(); |
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} |
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return null; |
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} |
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public void actionPerformed(ActionEvent e) { |
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if (e.getSource() == GUI.refreshButton) { |
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updateList(); |
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} |
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Starter selectedStarter = getSelectedStarter(); |
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// if nothing selected: return |
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if (selectedStarter == null) |
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return; |
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try { |
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if (e.getSource() == GUI.startButton) { |
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selectedStarter.start(); |
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updateList(); |
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} |
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if (e.getSource() == GUI.stopButton) { |
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selectedStarter.stop(); |
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updateList(); |
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} |
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if (e.getSource() == GUI.restartButton) { |
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selectedStarter.restart(); |
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updateList(); |
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} |
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} catch (RemoteException e1) { |
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LOG |
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.error( |
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"Could not access selected Starter. Remote Exeception occured.", |
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e1); |
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} |
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} |
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class MyCellRenderer extends DefaultListCellRenderer { |
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private final Vector<StarterContainer> containers; |
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public MyCellRenderer(Vector<StarterContainer> containers) { |
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this.containers = containers; |
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// TODO Auto-generated constructor stub |
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} |
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@Override |
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public Component getListCellRendererComponent(JList list, Object value, |
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int index, boolean isSelected, boolean cellHasFocus) { |
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// TODO Auto-generated method stub |
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Component listCellRendererComponent = super |
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.getListCellRendererComponent(list, value, index, |
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isSelected, cellHasFocus); |
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if (!isSelected) { |
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if (containers.get(index).isServerRunning()) |
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listCellRendererComponent.setBackground(Color.green); |
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else |
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listCellRendererComponent.setBackground(Color.red); |
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} |
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return listCellRendererComponent; |
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} |
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} |
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} |
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