Java example source code file (ConnectDialog.java)
The ConnectDialog.java Java example source code/*
* Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.tools.jconsole;
import java.util.List;
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import javax.swing.plaf.basic.BasicRadioButtonUI;
import javax.swing.table.*;
import static java.awt.BorderLayout.*;
import static javax.swing.ListSelectionModel.*;
import static sun.tools.jconsole.Utilities.*;
@SuppressWarnings("serial")
public class ConnectDialog extends InternalDialog
implements DocumentListener, FocusListener,
ItemListener, ListSelectionListener, KeyListener {
private static final int COL_NAME = 0;
private static final int COL_PID = 1;
JConsole jConsole;
JTextField userNameTF, passwordTF;
JRadioButton localRadioButton, remoteRadioButton;
JLabel localMessageLabel, remoteMessageLabel;
JTextField remoteTF;
JButton connectButton, cancelButton;
JPanel radioButtonPanel;
private Icon mastheadIcon =
new MastheadIcon(Messages.CONNECT_DIALOG_MASTHEAD_TITLE);
private Color hintTextColor, disabledTableCellColor;
// The table of managed VM (local process)
JTable vmTable;
ManagedVmTableModel vmModel = null;
JScrollPane localTableScrollPane = null;
private Action connectAction, cancelAction;
public ConnectDialog(JConsole jConsole) {
super(jConsole, Messages.CONNECT_DIALOG_TITLE, true);
this.jConsole = jConsole;
setAccessibleDescription(this,
Messages.CONNECT_DIALOG_ACCESSIBLE_DESCRIPTION);
setDefaultCloseOperation(HIDE_ON_CLOSE);
setResizable(false);
Container cp = (JComponent)getContentPane();
radioButtonPanel = new JPanel(new BorderLayout(0, 12));
radioButtonPanel.setBorder(new EmptyBorder(6, 12, 12, 12));
ButtonGroup radioButtonGroup = new ButtonGroup();
JPanel bottomPanel = new JPanel(new BorderLayout());
statusBar = new JLabel(" ", JLabel.CENTER);
setAccessibleName(statusBar,
Messages.CONNECT_DIALOG_STATUS_BAR_ACCESSIBLE_NAME);
Font normalLabelFont = statusBar.getFont();
Font boldLabelFont = normalLabelFont.deriveFont(Font.BOLD);
Font smallLabelFont = normalLabelFont.deriveFont(normalLabelFont.getSize2D() - 1);
JLabel mastheadLabel = new JLabel(mastheadIcon);
setAccessibleName(mastheadLabel,
Messages.CONNECT_DIALOG_MASTHEAD_ACCESSIBLE_NAME);
cp.add(mastheadLabel, NORTH);
cp.add(radioButtonPanel, CENTER);
cp.add(bottomPanel, SOUTH);
createActions();
remoteTF = new JTextField();
remoteTF.addActionListener(connectAction);
remoteTF.getDocument().addDocumentListener(this);
remoteTF.addFocusListener(this);
remoteTF.setPreferredSize(remoteTF.getPreferredSize());
setAccessibleName(remoteTF,
Messages.REMOTE_PROCESS_TEXT_FIELD_ACCESSIBLE_NAME);
//
// If the VM supports the local attach mechanism (is: Sun
// implementation) then the Local Process panel is created.
//
if (JConsole.isLocalAttachAvailable()) {
vmModel = new ManagedVmTableModel();
vmTable = new LocalTabJTable(vmModel);
vmTable.setSelectionMode(SINGLE_SELECTION);
vmTable.setPreferredScrollableViewportSize(new Dimension(400, 250));
vmTable.setColumnSelectionAllowed(false);
vmTable.addFocusListener(this);
vmTable.getSelectionModel().addListSelectionListener(this);
TableColumnModel columnModel = vmTable.getColumnModel();
TableColumn pidColumn = columnModel.getColumn(COL_PID);
pidColumn.setMaxWidth(getLabelWidth("9999999"));
pidColumn.setResizable(false);
TableColumn cmdLineColumn = columnModel.getColumn(COL_NAME);
cmdLineColumn.setResizable(false);
localRadioButton = new JRadioButton(Messages.LOCAL_PROCESS_COLON);
localRadioButton.setMnemonic(Resources.getMnemonicInt(Messages.LOCAL_PROCESS_COLON));
localRadioButton.setFont(boldLabelFont);
localRadioButton.addItemListener(this);
radioButtonGroup.add(localRadioButton);
JPanel localPanel = new JPanel(new BorderLayout());
JPanel localTablePanel = new JPanel(new BorderLayout());
radioButtonPanel.add(localPanel, NORTH);
localPanel.add(localRadioButton, NORTH);
localPanel.add(new Padder(localRadioButton), LINE_START);
localPanel.add(localTablePanel, CENTER);
localTableScrollPane = new JScrollPane(vmTable);
localTablePanel.add(localTableScrollPane, NORTH);
localMessageLabel = new JLabel(" ");
localMessageLabel.setFont(smallLabelFont);
localMessageLabel.setForeground(hintTextColor);
localTablePanel.add(localMessageLabel, SOUTH);
}
remoteRadioButton = new JRadioButton(Messages.REMOTE_PROCESS_COLON);
remoteRadioButton.setMnemonic(Resources.getMnemonicInt(Messages.REMOTE_PROCESS_COLON));
remoteRadioButton.setFont(boldLabelFont);
radioButtonGroup.add(remoteRadioButton);
JPanel remotePanel = new JPanel(new BorderLayout());
if (localRadioButton != null) {
remotePanel.add(remoteRadioButton, NORTH);
remotePanel.add(new Padder(remoteRadioButton), LINE_START);
Action nextRadioButtonAction =
new AbstractAction("nextRadioButton") {
public void actionPerformed(ActionEvent ev) {
JRadioButton rb =
(ev.getSource() == localRadioButton) ? remoteRadioButton
: localRadioButton;
rb.doClick();
rb.requestFocus();
}
};
localRadioButton.getActionMap().put("nextRadioButton", nextRadioButtonAction);
remoteRadioButton.getActionMap().put("nextRadioButton", nextRadioButtonAction);
localRadioButton.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0),
"nextRadioButton");
remoteRadioButton.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0),
"nextRadioButton");
} else {
JLabel remoteLabel = new JLabel(remoteRadioButton.getText());
remoteLabel.setFont(boldLabelFont);
remotePanel.add(remoteLabel, NORTH);
}
radioButtonPanel.add(remotePanel, SOUTH);
JPanel remoteTFPanel = new JPanel(new BorderLayout());
remotePanel.add(remoteTFPanel, CENTER);
remoteTFPanel.add(remoteTF, NORTH);
remoteMessageLabel = new JLabel("<html>" + Messages.REMOTE_TF_USAGE + "");
remoteMessageLabel.setFont(smallLabelFont);
remoteMessageLabel.setForeground(hintTextColor);
remoteTFPanel.add(remoteMessageLabel, CENTER);
JPanel userPwdPanel = new JPanel(new FlowLayout(FlowLayout.LEADING, 0, 0));
userPwdPanel.setBorder(new EmptyBorder(12, 0, 0, 0)); // top padding
int tfWidth = JConsole.IS_WIN ? 12 : 8;
userNameTF = new JTextField(tfWidth);
userNameTF.addActionListener(connectAction);
userNameTF.getDocument().addDocumentListener(this);
userNameTF.addFocusListener(this);
setAccessibleName(userNameTF,
Messages.USERNAME_ACCESSIBLE_NAME);
LabeledComponent lc;
lc = new LabeledComponent(Messages.USERNAME_COLON_,
Resources.getMnemonicInt(Messages.USERNAME_COLON_),
userNameTF);
lc.label.setFont(boldLabelFont);
userPwdPanel.add(lc);
passwordTF = new JPasswordField(tfWidth);
// Heights differ, so fix here
passwordTF.setPreferredSize(userNameTF.getPreferredSize());
passwordTF.addActionListener(connectAction);
passwordTF.getDocument().addDocumentListener(this);
passwordTF.addFocusListener(this);
setAccessibleName(passwordTF,
Messages.PASSWORD_ACCESSIBLE_NAME);
lc = new LabeledComponent(Messages.PASSWORD_COLON_,
Resources.getMnemonicInt(Messages.PASSWORD_COLON_),
passwordTF);
lc.setBorder(new EmptyBorder(0, 12, 0, 0)); // Left padding
lc.label.setFont(boldLabelFont);
userPwdPanel.add(lc);
remoteTFPanel.add(userPwdPanel, SOUTH);
String connectButtonToolTipText =
Messages.CONNECT_DIALOG_CONNECT_BUTTON_TOOLTIP;
connectButton = new JButton(connectAction);
connectButton.setToolTipText(connectButtonToolTipText);
cancelButton = new JButton(cancelAction);
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
buttonPanel.setBorder(new EmptyBorder(12, 12, 2, 12));
if (JConsole.IS_GTK) {
buttonPanel.add(cancelButton);
buttonPanel.add(connectButton);
} else {
buttonPanel.add(connectButton);
buttonPanel.add(cancelButton);
}
bottomPanel.add(buttonPanel, NORTH);
bottomPanel.add(statusBar, SOUTH);
updateButtonStates();
Utilities.updateTransparency(this);
}
public void revalidate() {
// Adjust some colors
Color disabledForeground = UIManager.getColor("Label.disabledForeground");
if (disabledForeground == null) {
// fall back for Nimbus that doesn't support 'Label.disabledForeground'
disabledForeground = UIManager.getColor("Label.disabledText");
}
hintTextColor =
ensureContrast(disabledForeground,
UIManager.getColor("Panel.background"));
disabledTableCellColor =
ensureContrast(new Color(0x808080),
UIManager.getColor("Table.background"));
if (remoteMessageLabel != null) {
remoteMessageLabel.setForeground(hintTextColor);
// Update html color setting
String colorStr =
String.format("%06x", hintTextColor.getRGB() & 0xFFFFFF);
remoteMessageLabel.setText("<html>" +
Messages.REMOTE_TF_USAGE);
}
if (localMessageLabel != null) {
localMessageLabel.setForeground(hintTextColor);
// Update html color setting
valueChanged(null);
}
super.revalidate();
}
private void createActions() {
connectAction = new AbstractAction(Messages.CONNECT) {
/* init */ {
putValue(Action.MNEMONIC_KEY, Resources.getMnemonicInt(Messages.CONNECT));
}
public void actionPerformed(ActionEvent ev) {
if (!isEnabled() || !isVisible()) {
return;
}
setVisible(false);
statusBar.setText("");
if (remoteRadioButton.isSelected()) {
String txt = remoteTF.getText().trim();
String userName = userNameTF.getText().trim();
userName = userName.equals("") ? null : userName;
String password = passwordTF.getText();
password = password.equals("") ? null : password;
try {
if (txt.startsWith(JConsole.ROOT_URL)) {
String url = txt;
jConsole.addUrl(url, userName, password, false);
remoteTF.setText(JConsole.ROOT_URL);
return;
} else {
String host = remoteTF.getText().trim();
String port = "0";
int index = host.lastIndexOf(":");
if (index >= 0) {
port = host.substring(index + 1);
host = host.substring(0, index);
}
if (host.length() > 0 && port.length() > 0) {
int p = Integer.parseInt(port.trim());
jConsole.addHost(host, p, userName, password);
remoteTF.setText("");
userNameTF.setText("");
passwordTF.setText("");
return;
}
}
} catch (Exception ex) {
statusBar.setText(ex.toString());
}
setVisible(true);
} else if (localRadioButton != null && localRadioButton.isSelected()) {
// Try to connect to selected VM. If a connection
// cannot be established for some reason (the process has
// terminated for example) then keep the dialog open showing
// the connect error.
//
int row = vmTable.getSelectedRow();
if (row >= 0) {
jConsole.addVmid(vmModel.vmAt(row));
}
refresh();
}
}
};
cancelAction = new AbstractAction(Messages.CANCEL) {
public void actionPerformed(ActionEvent ev) {
setVisible(false);
statusBar.setText("");
}
};
}
// a label used solely for calculating the width
private static JLabel tmpLabel = new JLabel();
public static int getLabelWidth(String text) {
tmpLabel.setText(text);
return (int) tmpLabel.getPreferredSize().getWidth() + 1;
}
private class LocalTabJTable extends JTable {
ManagedVmTableModel vmModel;
Border rendererBorder = new EmptyBorder(0, 6, 0, 6);
public LocalTabJTable(ManagedVmTableModel model) {
super(model);
this.vmModel = model;
// Remove vertical lines, expect for GTK L&F.
// (because GTK doesn't show header dividers)
if (!JConsole.IS_GTK) {
setShowVerticalLines(false);
setIntercellSpacing(new Dimension(0, 1));
}
// Double-click handler
addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent evt) {
if (evt.getClickCount() == 2) {
connectButton.doClick();
}
}
});
// Enter should call default action
getActionMap().put("connect", connectAction);
InputMap inputMap = getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT);
inputMap.put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "connect");
}
public String getToolTipText(MouseEvent e) {
String tip = null;
java.awt.Point p = e.getPoint();
int rowIndex = rowAtPoint(p);
int colIndex = columnAtPoint(p);
int realColumnIndex = convertColumnIndexToModel(colIndex);
if (realColumnIndex == COL_NAME) {
LocalVirtualMachine vmd = vmModel.vmAt(rowIndex);
tip = vmd.toString();
}
return tip;
}
public TableCellRenderer getCellRenderer(int row, int column) {
return new DefaultTableCellRenderer() {
public Component getTableCellRendererComponent(JTable table,
Object value,
boolean isSelected,
boolean hasFocus,
int row,
int column) {
Component comp =
super.getTableCellRendererComponent(table, value, isSelected,
hasFocus, row, column);
if (!isSelected) {
LocalVirtualMachine lvm = vmModel.vmAt(row);
if (!lvm.isManageable() && !lvm.isAttachable()) {
comp.setForeground(disabledTableCellColor);
}
}
if (comp instanceof JLabel) {
JLabel label = (JLabel)comp;
label.setBorder(rendererBorder);
if (value instanceof Integer) {
label.setHorizontalAlignment(JLabel.RIGHT);
}
}
return comp;
}
};
}
}
public void setConnectionParameters(String url,
String host,
int port,
String userName,
String password,
String msg) {
if ((url != null && url.length() > 0) ||
(host != null && host.length() > 0 && port > 0)) {
remoteRadioButton.setSelected(true);
if (url != null && url.length() > 0) {
remoteTF.setText(url);
} else {
remoteTF.setText(host+":"+port);
}
userNameTF.setText((userName != null) ? userName : "");
passwordTF.setText((password != null) ? password : "");
statusBar.setText((msg != null) ? msg : "");
if (getPreferredSize().width > getWidth()) {
pack();
}
remoteTF.requestFocus();
remoteTF.selectAll();
}
}
public void itemStateChanged(ItemEvent ev) {
if (!localRadioButton.isSelected()) {
vmTable.getSelectionModel().clearSelection();
}
updateButtonStates();
}
private void updateButtonStates() {
boolean connectEnabled = false;
if (remoteRadioButton.isSelected()) {
connectEnabled = JConsole.isValidRemoteString(remoteTF.getText());
} else if (localRadioButton != null && localRadioButton.isSelected()) {
int row = vmTable.getSelectedRow();
if (row >= 0) {
LocalVirtualMachine lvm = vmModel.vmAt(row);
connectEnabled = (lvm.isManageable() || lvm.isAttachable());
}
}
connectAction.setEnabled(connectEnabled);
}
public void insertUpdate(DocumentEvent e) {
updateButtonStates();
}
public void removeUpdate(DocumentEvent e) {
updateButtonStates();
}
public void changedUpdate(DocumentEvent e) {
updateButtonStates();
}
public void focusGained(FocusEvent e) {
Object source = e.getSource();
Component opposite = e.getOppositeComponent();
if (!e.isTemporary() &&
source instanceof JTextField &&
opposite instanceof JComponent &&
SwingUtilities.getRootPane(opposite) == getRootPane()) {
((JTextField)source).selectAll();
}
if (source == remoteTF) {
remoteRadioButton.setSelected(true);
} else if (source == vmTable) {
localRadioButton.setSelected(true);
if (vmModel.getRowCount() == 1) {
// if there's only one process then select the row
vmTable.setRowSelectionInterval(0, 0);
}
}
updateButtonStates();
}
public void focusLost(FocusEvent e) {
}
public void keyTyped(KeyEvent e) {
char c = e.getKeyChar();
if (c == KeyEvent.VK_ESCAPE) {
setVisible(false);
} else if (!(Character.isDigit(c) ||
c == KeyEvent.VK_BACK_SPACE ||
c == KeyEvent.VK_DELETE)) {
getToolkit().beep();
e.consume();
}
}
public void setVisible(boolean b) {
boolean wasVisible = isVisible();
super.setVisible(b);
if (b && !wasVisible) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
if (remoteRadioButton.isSelected()) {
remoteTF.requestFocus();
remoteTF.selectAll();
}
}
});
}
}
public void keyPressed(KeyEvent e) {
}
public void keyReleased(KeyEvent e) {
}
// ListSelectionListener interface
public void valueChanged(ListSelectionEvent e) {
updateButtonStates();
String labelText = " "; // Non-empty to reserve vertical space
int row = vmTable.getSelectedRow();
if (row >= 0) {
LocalVirtualMachine lvm = vmModel.vmAt(row);
if (!lvm.isManageable()) {
if (lvm.isAttachable()) {
labelText = Messages.MANAGEMENT_WILL_BE_ENABLED;
} else {
labelText = Messages.MANAGEMENT_NOT_ENABLED;
}
}
}
String colorStr =
String.format("%06x", hintTextColor.getRGB() & 0xFFFFFF);
localMessageLabel.setText("<html>" + labelText);
}
// ----
// Refresh the list of managed VMs
public void refresh() {
if (vmModel != null) {
// Remember selection
LocalVirtualMachine selected = null;
int row = vmTable.getSelectedRow();
if (row >= 0) {
selected = vmModel.vmAt(row);
}
vmModel.refresh();
int selectRow = -1;
int n = vmModel.getRowCount();
if (selected != null) {
for (int i = 0; i < n; i++) {
LocalVirtualMachine lvm = vmModel.vmAt(i);
if (selected.vmid() == lvm.vmid() &&
selected.toString().equals(lvm.toString())) {
selectRow = i;
break;
}
}
}
if (selectRow > -1) {
vmTable.setRowSelectionInterval(selectRow, selectRow);
} else {
vmTable.getSelectionModel().clearSelection();
}
Dimension dim = vmTable.getPreferredSize();
// Tricky. Reduce height by one to avoid double line at bottom,
// but that causes a scroll bar to appear, so remove it.
dim.height = Math.min(dim.height-1, 100);
localTableScrollPane.setVerticalScrollBarPolicy((dim.height < 100)
? JScrollPane.VERTICAL_SCROLLBAR_NEVER
: JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
localTableScrollPane.getViewport().setMinimumSize(dim);
localTableScrollPane.getViewport().setPreferredSize(dim);
}
pack();
setLocationRelativeTo(jConsole);
}
// Represents the list of managed VMs as a tabular data model.
private static class ManagedVmTableModel extends AbstractTableModel {
private static String[] columnNames = {
Messages.COLUMN_NAME,
Messages.COLUMN_PID,
};
private List<LocalVirtualMachine> vmList;
public int getColumnCount() {
return columnNames.length;
}
public String getColumnName(int col) {
return columnNames[col];
}
public synchronized int getRowCount() {
return vmList.size();
}
public synchronized Object getValueAt(int row, int col) {
assert col >= 0 && col <= columnNames.length;
LocalVirtualMachine vm = vmList.get(row);
switch (col) {
case COL_NAME: return vm.displayName();
case COL_PID: return vm.vmid();
default: return null;
}
}
public Class<?> getColumnClass(int column) {
switch (column) {
case COL_NAME: return String.class;
case COL_PID: return Integer.class;
default: return super.getColumnClass(column);
}
}
public ManagedVmTableModel() {
refresh();
}
public synchronized LocalVirtualMachine vmAt(int pos) {
return vmList.get(pos);
}
public synchronized void refresh() {
Map<Integer, LocalVirtualMachine> map =
LocalVirtualMachine.getAllVirtualMachines();
vmList = new ArrayList<LocalVirtualMachine>();
vmList.addAll(map.values());
// data has changed
fireTableDataChanged();
}
}
// A blank component that takes up as much space as the
// button part of a JRadioButton.
private static class Padder extends JPanel {
JRadioButton radioButton;
Padder(JRadioButton radioButton) {
this.radioButton = radioButton;
setAccessibleName(this, Messages.BLANK);
}
public Dimension getPreferredSize() {
Rectangle r = getTextRectangle(radioButton);
int w = (r != null && r.x > 8) ? r.x : 22;
return new Dimension(w, 0);
}
private static Rectangle getTextRectangle(AbstractButton button) {
String text = button.getText();
Icon icon = (button.isEnabled()) ? button.getIcon() : button.getDisabledIcon();
if (icon == null && button.getUI() instanceof BasicRadioButtonUI) {
icon = ((BasicRadioButtonUI)button.getUI()).getDefaultIcon();
}
if ((icon == null) && (text == null)) {
return null;
}
Rectangle paintIconR = new Rectangle();
Rectangle paintTextR = new Rectangle();
Rectangle paintViewR = new Rectangle();
Insets paintViewInsets = new Insets(0, 0, 0, 0);
paintViewInsets = button.getInsets(paintViewInsets);
paintViewR.x = paintViewInsets.left;
paintViewR.y = paintViewInsets.top;
paintViewR.width = button.getWidth() - (paintViewInsets.left + paintViewInsets.right);
paintViewR.height = button.getHeight() - (paintViewInsets.top + paintViewInsets.bottom);
Graphics g = button.getGraphics();
if (g == null) {
return null;
}
SwingUtilities.layoutCompoundLabel(button,
g.getFontMetrics(),
text,
icon,
button.getVerticalAlignment(),
button.getHorizontalAlignment(),
button.getVerticalTextPosition(),
button.getHorizontalTextPosition(),
paintViewR,
paintIconR,
paintTextR,
button.getIconTextGap());
return paintTextR;
}
}
}
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