@Override
public void run() {
final RunningVM[] vms = p.getRunningVMs();
final Object[] ar = new Object[((vms == null) ? 0 : vms.length) + 1];
if (vms == null) {
ar[0] = ERROR_GETTING_PROCESSES_ITEM_TEXT;
} else if (vms.length == 0) {
ar[0] = NO_PROCESSES_ITEM_TEXT;
} else {
ar[0] = SELECT_PROCESS_ITEM_TEXT;
arraycopy(vms, 0, ar, 1, vms.length);
}
invokeLater(
() -> {
combo.setEnabled(true);
combo.setModel(new DefaultComboBoxModel<>(ar));
updateInfo();
});
}
/**
* A panel that allows to select a process PID from a combo box of all running processes
*
* @author Tomas Hurka
* @author Ian Formanek
*/
public final class PIDSelectPanel extends JPanel implements ActionListener {
private final JpsProxy p = JpsProxy.getInstance();
// ~ Inner Classes
// ------------------------------------------------------------------------------------------------------------
private static class PIDComboRenderer extends DefaultListCellRenderer {
// ~ Methods
// --------------------------------------------------------------------------------------------------------------
@Override
public Component getListCellRendererComponent(
JList<?> list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
if (value instanceof RunningVM) {
RunningVM vm = (RunningVM) value;
String args = vm.getMainArgs();
if (args == null) {
args = ""; // NOI18N
} else {
args = " " + args; // NOI18N
}
String text =
format(
VM_COMBO_ITEM_TEXT, new Object[] {vm.getMainClass(), "" + vm.getPid()}); // NOI18N
return super.getListCellRendererComponent(list, text, index, isSelected, cellHasFocus);
} else {
return super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
}
}
}
// ~ Static fields/initializers
// -----------------------------------------------------------------------------------------------
// -----
// I18N String constants
private static final String REFRESH_BUTTON_NAME =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_RefreshButtonName"); // NOI18N
private static final String PID_LABEL_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_PidLabelText"); // NOI18N
private static final String MAIN_CLASS_LABEL_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_MainClassLabelText"); // NOI18N
private static final String ARGUMENTS_LABEL_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ArgumentsLabelText"); // NOI18N
private static final String VM_ARGUMENTS_LABEL_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_VmArgumentsLabelText"); // NOI18N
private static final String VM_FLAGS_LABEL_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_VmFlagsLabelText"); // NOI18N
private static final String VM_COMBO_ITEM_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_VmComboItemText"); // NOI18N
private static final String PROCESSES_LIST_ITEM_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ProcessesListItemText"); // NOI18N
private static final String ERROR_GETTING_PROCESSES_ITEM_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ErrorGettingProcessesItemText"); // NOI18N
private static final String NO_PROCESSES_ITEM_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_NoProcessesItemText"); // NOI18N
private static final String SELECT_PROCESS_ITEM_TEXT =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_SelectProcessItemText"); // NOI18N
private static final String OK_BUTTON_NAME =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_OkButtonName"); // NOI18N
private static final String SELECT_PROCESS_DIALOG_CAPTION =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_SelectProcessDialogCaption"); // NOI18N
private static final String COMBO_ACCESS_NAME =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ComboAccessName"); // NOI18N
private static final String COMBO_ACCESS_DESCR =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ComboAccessDescr"); // NOI18N
private static final String BUTTON_ACCESS_DESCR =
getMessage(PIDSelectPanel.class, "PIDSelectPanel_ButtonAccessDescr"); // NOI18N
// -----
private static final int MAX_WIDTH = 500;
// ~ Instance fields
// ----------------------------------------------------------------------------------------------------------
private final JButton button;
private final JButton okButton;
private JComboBox<Object> combo;
private final JLabel argumentsLabel;
private final JLabel mainClassLabel;
private final JLabel pidLabel;
private final JLabel vmArgumentsLabel;
private final JLabel vmFlagsLabel;
// ~ Constructors
// -------------------------------------------------------------------------------------------------------------
public PIDSelectPanel(JButton okButton) {
this.okButton = okButton;
combo = new JComboBox<>();
button = new JButton(REFRESH_BUTTON_NAME);
JPanel infoPanel = new JPanel();
infoPanel.setLayout(new GridBagLayout());
GridBagConstraints labelGbc = new GridBagConstraints();
labelGbc.insets = new Insets(3, 5, 0, 0);
labelGbc.anchor = WEST;
GridBagConstraints valueGbc = new GridBagConstraints();
valueGbc.weightx = 1.0;
valueGbc.fill = HORIZONTAL;
valueGbc.insets = new Insets(3, 5, 0, 5);
valueGbc.gridwidth = REMAINDER;
valueGbc.anchor = WEST;
JLabel l;
l = new JLabel(PID_LABEL_TEXT);
l.setFont(l.getFont().deriveFont(BOLD));
infoPanel.add(l, labelGbc);
infoPanel.add(pidLabel = new JLabel(), valueGbc);
l = new JLabel(MAIN_CLASS_LABEL_TEXT);
l.setFont(l.getFont().deriveFont(BOLD));
infoPanel.add(l, labelGbc);
infoPanel.add(mainClassLabel = new JLabel(), valueGbc);
l = new JLabel(ARGUMENTS_LABEL_TEXT);
l.setFont(l.getFont().deriveFont(BOLD));
infoPanel.add(l, labelGbc);
infoPanel.add(argumentsLabel = new JLabel(), valueGbc);
l = new JLabel(VM_ARGUMENTS_LABEL_TEXT);
l.setFont(l.getFont().deriveFont(BOLD));
infoPanel.add(l, labelGbc);
infoPanel.add(vmArgumentsLabel = new JLabel(), valueGbc);
l = new JLabel(VM_FLAGS_LABEL_TEXT);
l.setFont(l.getFont().deriveFont(BOLD));
infoPanel.add(l, labelGbc);
infoPanel.add(vmFlagsLabel = new JLabel(), valueGbc);
combo.setRenderer(new PIDComboRenderer());
combo.getAccessibleContext().setAccessibleName(COMBO_ACCESS_NAME);
combo.getAccessibleContext().setAccessibleDescription(COMBO_ACCESS_DESCR);
button.getAccessibleContext().setAccessibleDescription(BUTTON_ACCESS_DESCR);
setBorder(createEmptyBorder(12, 12, 12, 12));
setLayout(new BorderLayout(0, 10));
JPanel northPanel = new JPanel();
northPanel.setLayout(new BorderLayout(5, 0));
northPanel.add(combo, CENTER);
northPanel.add(button, EAST);
add(northPanel, NORTH);
add(infoPanel, CENTER);
okButton.setEnabled(false);
refreshCombo();
button.addActionListener(this);
combo.addActionListener(this);
}
// ~ Methods
// ------------------------------------------------------------------------------------------------------------------
public int getPID() {
Object sel = combo.getSelectedItem();
if ((sel != null) && sel instanceof RunningVM) {
return ((RunningVM) sel).getPid();
}
return -1;
}
public Dimension getPreferredSize() {
Dimension d = super.getPreferredSize();
return new Dimension(max(d.width, MAX_WIDTH), d.height);
}
@Override
public void actionPerformed(ActionEvent e) {
if (e.getSource() == button) {
refreshCombo();
} else if (e.getSource() == combo) {
okButton.setEnabled(combo.getSelectedItem() instanceof RunningVM);
updateInfo();
}
}
public static int selectPID() {
JButton okButton = new JButton(OK_BUTTON_NAME);
PIDSelectPanel pidSelect = new PIDSelectPanel(okButton);
DialogDescriptor dd =
new DialogDescriptor(
pidSelect,
SELECT_PROCESS_DIALOG_CAPTION,
true,
new Object[] {okButton, CANCEL_OPTION},
okButton,
BOTTOM_ALIGN,
null,
null);
Dialog d = DialogDisplayer.getDefault().createDialog(dd);
d.setVisible(true);
if (dd.getValue() == okButton) {
return pidSelect.getPID();
} else {
return -1;
}
}
private final Runnable comboRefresher =
new Runnable() {
@Override
public void run() {
final RunningVM[] vms = p.getRunningVMs();
final Object[] ar = new Object[((vms == null) ? 0 : vms.length) + 1];
if (vms == null) {
ar[0] = ERROR_GETTING_PROCESSES_ITEM_TEXT;
} else if (vms.length == 0) {
ar[0] = NO_PROCESSES_ITEM_TEXT;
} else {
ar[0] = SELECT_PROCESS_ITEM_TEXT;
arraycopy(vms, 0, ar, 1, vms.length);
}
invokeLater(
() -> {
combo.setEnabled(true);
combo.setModel(new DefaultComboBoxModel<>(ar));
updateInfo();
});
}
};
private void refreshCombo() {
okButton.setEnabled(false);
combo.setEnabled(false);
combo.setModel(new DefaultComboBoxModel<>(new Object[] {PROCESSES_LIST_ITEM_TEXT}));
getDefault().post(comboRefresher);
}
private void updateInfo() {
Object sel = combo.getSelectedItem();
if ((sel != null) && sel instanceof RunningVM) {
RunningVM vm = (RunningVM) sel;
pidLabel.setText("" + vm.getPid()); // NOI18N
mainClassLabel.setText(vm.getMainClass());
argumentsLabel.setText(vm.getMainArgs());
vmArgumentsLabel.setText(vm.getVMArgs());
vmFlagsLabel.setText(vm.getVMFlags());
} else {
pidLabel.setText(""); // NOI18N
mainClassLabel.setText(""); // NOI18N
argumentsLabel.setText(""); // NOI18N
vmArgumentsLabel.setText(""); // NOI18N
vmFlagsLabel.setText(""); // NOI18N
}
}
}