/* * Copyright (c) 2004, 2008, 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 * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.tools.jconsole; import java.awt.*;import java.awt.event.*;import java.beans.*;import java.io.*;import java.lang.reflect.*;import java.util.*;import java.util.List;import java.util.Timer; import javax.swing.*;import javax.swing.plaf.*; import com.sun.tools.jconsole.JConsolePlugin;import com.sun.tools.jconsole.JConsoleContext;import static com.sun.tools.jconsole.JConsoleContext.ConnectionState.*; import static sun.tools.jconsole.ProxyClient.*; @SuppressWarnings("serial")public class VMPanel extends JTabbedPane implements PropertyChangeListener {     private ProxyClient proxyClient;    private Timer timer;    private int updateInterval;    private String hostName;    private int port;    private int vmid;    private String userName;    private String password;    private String url;    private VMInternalFrame vmIF = null;    private static final String windowsLaF =            "com.sun.java.swing.plaf.windows.WindowsLookAndFeel";    private static ArrayList<TabInfo> tabInfos = new ArrayList<TabInfo>();    private boolean wasConnected = false;     // The everConnected flag keeps track of whether the window can be    // closed if the user clicks Cancel after a failed connection attempt.    //    private boolean everConnected = false;     // The initialUpdate flag is used to enable/disable tabs each time    // a connect or reconnect takes place. This flag avoids having to    // enable/disable tabs on each update call.    //    private boolean initialUpdate = true;     // Each VMPanel has its own instance of the JConsolePlugin    // A map of JConsolePlugin to the previous SwingWorker    private Map<JConsolePlugin, SwingWorker<?, ?>> plugins = null;    private boolean pluginTabsAdded = false;     // Update these only on the EDT    private JOptionPane optionPane;    private JProgressBar progressBar;    private long time0;     static {        tabInfos.add(new TabInfo(OverviewTab.class, OverviewTab.getTabName(), true));        tabInfos.add(new TabInfo(MemoryTab.class, MemoryTab.getTabName(), true));        tabInfos.add(new TabInfo(ThreadTab.class, ThreadTab.getTabName(), true));        tabInfos.add(new TabInfo(ClassTab.class, ClassTab.getTabName(), true));        tabInfos.add(new TabInfo(SummaryTab.class, SummaryTab.getTabName(), true));        tabInfos.add(new TabInfo(MBeansTab.class, MBeansTab.getTabName(), true));    }     public static TabInfo[] getTabInfos() {        return tabInfos.toArray(new TabInfo[tabInfos.size()]);    }     VMPanel(ProxyClient proxyClient, int updateInterval) {        this.proxyClient = proxyClient;        this.updateInterval = updateInterval;        this.hostName = proxyClient.getHostName();        this.port = proxyClient.getPort();        this.vmid = proxyClient.getVmid();        this.userName = proxyClient.getUserName();        this.password = proxyClient.getPassword();        this.url = proxyClient.getUrl();         for (TabInfo tabInfo : tabInfos) {            if (tabInfo.tabVisible) {                addTab(tabInfo);            }        }         plugins = new LinkedHashMap<JConsolePlugin, SwingWorker<?, ?>>();        for (JConsolePlugin p : JConsole.getPlugins()) {            p.setContext(proxyClient);            plugins.put(p, null);        }         Utilities.updateTransparency(this);         ToolTipManager.sharedInstance().registerComponent(this);         // Start listening to connection state events        //        proxyClient.addPropertyChangeListener(this);         addMouseListener(new MouseAdapter() {             public void mouseClicked(MouseEvent e) {                if (connectedIconBounds != null && (e.getModifiers() & MouseEvent.BUTTON1_MASK) != 0 && connectedIconBounds.contains(e.getPoint())) {                     if (isConnected()) {                        disconnect();                        wasConnected = false;                    } else {                        connect();                    }                    repaint();                }            }        });     }    private static Icon connectedIcon16 =            new ImageIcon(VMPanel.class.getResource("resources/connected16.png"));    private static Icon connectedIcon24 =            new ImageIcon(VMPanel.class.getResource("resources/connected24.png"));    private static Icon disconnectedIcon16 =            new ImageIcon(VMPanel.class.getResource("resources/disconnected16.png"));    private static Icon disconnectedIcon24 =            new ImageIcon(VMPanel.class.getResource("resources/disconnected24.png"));    private Rectangle connectedIconBounds;     // Override to increase right inset for tab area,    // in order to reserve space for the connect toggle.    public void setUI(TabbedPaneUI ui) {        Insets insets = (Insets) UIManager.getLookAndFeelDefaults().get("TabbedPane.tabAreaInsets");        insets = (Insets) insets.clone();        insets.right += connectedIcon24.getIconWidth() + 8;        UIManager.put("TabbedPane.tabAreaInsets", insets);        super.setUI(ui);    }     // Override to paint the connect toggle    protected void paintComponent(Graphics g) {        super.paintComponent(g);         Icon icon;        Component c0 = getComponent(0);        if (c0 != null && c0.getY() > 24) {            icon = isConnected() ? connectedIcon24 : disconnectedIcon24;        } else {            icon = isConnected() ? connectedIcon16 : disconnectedIcon16;        }        Insets insets = getInsets();        int x = getWidth() - insets.right - icon.getIconWidth() - 4;        int y = insets.top;        if (c0 != null) {            y = (c0.getY() - icon.getIconHeight()) / 2;        }        icon.paintIcon(this, g, x, y);        connectedIconBounds = new Rectangle(x, y, icon.getIconWidth(), icon.getIconHeight());    }     public String getToolTipText(MouseEvent event) {        if (connectedIconBounds.contains(event.getPoint())) {            if (isConnected()) {                return getText("Connected. Click to disconnect.");            } else {                return getText("Disconnected. Click to connect.");            }        } else {            return super.getToolTipText(event);        }    }     private synchronized void addTab(TabInfo tabInfo) {        Tab tab = instantiate(tabInfo);        if (tab != null) {            addTab(tabInfo.name, tab);        } else {            tabInfo.tabVisible = false;        }    }     private synchronized void insertTab(TabInfo tabInfo, int index) {        Tab tab = instantiate(tabInfo);        if (tab != null) {            insertTab(tabInfo.name, null, tab, null, index);        } else {            tabInfo.tabVisible = false;        }    }     public synchronized void removeTabAt(int index) {        super.removeTabAt(index);    }     private Tab instantiate(TabInfo tabInfo) {        try {            Constructor con = tabInfo.tabClass.getConstructor(VMPanel.class);            return (Tab) con.newInstance(this);        } catch (Exception ex) {            System.err.println(ex);            return null;        }    }     boolean isConnected() {        return proxyClient.isConnected();    }     public int getUpdateInterval() {        return updateInterval;    }     /**     * WARNING NEVER CALL THIS METHOD TO MAKE JMX REQUEST     * IF  assertThread == false.     * DISPATCHER THREAD IS NOT ASSERTED.     * IT IS USED TO MAKE SOME LOCAL MANIPULATIONS.     */    ProxyClient getProxyClient(boolean assertThread) {        if (assertThread) {            return getProxyClient();        } else {            return proxyClient;        }    }     public ProxyClient getProxyClient() {        String threadClass = Thread.currentThread().getClass().getName();        if (threadClass.equals("java.awt.EventDispatchThread")) {            String msg = "Calling VMPanel.getProxyClient() from the Event Dispatch Thread!";            new RuntimeException(msg).printStackTrace();            System.exit(1);        }        return proxyClient;    }     public void cleanUp() {        //proxyClient.disconnect();        for (Tab tab : getTabs()) {            tab.dispose();        }        for (JConsolePlugin p : plugins.keySet()) {            p.dispose();        }        // Cancel pending update tasks        //        if (timer != null) {            timer.cancel();        }        // Stop listening to connection state events        //        proxyClient.removePropertyChangeListener(this);    }     // Call on EDT    public void connect() {        if (isConnected()) {            // create plugin tabs if not done            createPluginTabs();            // Notify tabs            fireConnectedChange(true);            // Enable/disable tabs on initial update            initialUpdate = true;            // Start/Restart update timer on connect/reconnect            startUpdateTimer();        } else {            new Thread("VMPanel.connect") {                 public void run() {                    proxyClient.connect();                }            }.start();        }    }     // Call on EDT    public void disconnect() {        proxyClient.disconnect();        updateFrameTitle();    }     // Called on EDT    public void propertyChange(PropertyChangeEvent ev) {        String prop = ev.getPropertyName();         if (prop == CONNECTION_STATE_PROPERTY) {            ConnectionState oldState = (ConnectionState) ev.getOldValue();            ConnectionState newState = (ConnectionState) ev.getNewValue();            switch (newState) {                case CONNECTING:                    onConnecting();                    break;                 case CONNECTED:                    if (progressBar != null) {                        progressBar.setIndeterminate(false);                        progressBar.setValue(100);                    }                    closeOptionPane();                    updateFrameTitle();                    // create tabs if not done                    createPluginTabs();                    repaint();                    // Notify tabs                    fireConnectedChange(true);                    // Enable/disable tabs on initial update                    initialUpdate = true;                    // Start/Restart update timer on connect/reconnect                    startUpdateTimer();                    break;                 case DISCONNECTED:                    if (progressBar != null) {                        progressBar.setIndeterminate(false);                        progressBar.setValue(0);                        closeOptionPane();                    }                    vmPanelDied();                    if (oldState == ConnectionState.CONNECTED) {                        // Notify tabs                        fireConnectedChange(false);                    }                    break;            }        }    }     // Called on EDT    private void onConnecting() {        time0 = System.currentTimeMillis();         final JConsole jc = (JConsole) SwingUtilities.getWindowAncestor(this);         String connectionName = getConnectionName();        progressBar = new JProgressBar();        progressBar.setIndeterminate(true);        JPanel progressPanel = new JPanel(new FlowLayout(FlowLayout.CENTER));        progressPanel.add(progressBar);         Object[] message = {            "<html><h3>" + getText("connectingTo1", connectionName) + "</h3></html>",            progressPanel,            "<html><b>" + getText("connectingTo2", connectionName) + "</b></html>"        };         optionPane =                SheetDialog.showOptionDialog(this,                message,                JOptionPane.DEFAULT_OPTION,                JOptionPane.INFORMATION_MESSAGE, null,                new String[]{getText("Cancel")},                0);      }     // Called on EDT    private void closeOptionPane() {        if (optionPane != null) {            new Thread("VMPanel.sleeper") {                public void run() {                    long elapsed = System.currentTimeMillis() - time0;                    if (elapsed < 2000) {                        try {                            sleep(2000 - elapsed);                        } catch (InterruptedException ex) {                        // Ignore                        }                    }                    SwingUtilities.invokeLater(new Runnable() {                         public void run() {                            optionPane.setVisible(false);                            progressBar = null;                        }                    });                }            }.start();        }    }     void updateFrameTitle() {        VMInternalFrame vmIF = getFrame();        if (vmIF != null) {            String displayName = getDisplayName();            if (!proxyClient.isConnected()) {                displayName = getText("ConnectionName (disconnected)", displayName);            }            vmIF.setTitle(displayName);        }    }     private VMInternalFrame getFrame() {        if (vmIF == null) {            vmIF = (VMInternalFrame) SwingUtilities.getAncestorOfClass(VMInternalFrame.class,                    this);        }        return vmIF;    }     // TODO: this method is not needed when all JConsole tabs    // are migrated to use the new JConsolePlugin API.    //    // A thread safe clone of all JConsole tabs    synchronized List<Tab> getTabs() {        ArrayList<Tab> list = new ArrayList<Tab>();        int n = getTabCount();        for (int i = 0; i < n; i++) {            Component c = getComponentAt(i);            if (c instanceof Tab) {                list.add((Tab) c);            }        }        return list;    }     private void startUpdateTimer() {        if (timer != null) {            timer.cancel();        }        TimerTask timerTask = new TimerTask() {             public void run() {                update();            }        };        String timerName = "Timer-" + getConnectionName();        timer = new Timer(timerName, true);        timer.schedule(timerTask, 0, updateInterval);    }     // Call on EDT    private void vmPanelDied() {        disconnect();         final JConsole jc = (JConsole) SwingUtilities.getWindowAncestor(this);         JOptionPane optionPane;         final String connectStr = getText("Connect");        final String reconnectStr = getText("Reconnect");        final String cancelStr = getText("Cancel");         String msgTitle, msgExplanation, buttonStr;         if (wasConnected) {            wasConnected = false;            msgTitle = getText("connectionLost1");            msgExplanation = getText("connectionLost2", getConnectionName());            buttonStr = reconnectStr;        } else {            msgTitle = getText("connectionFailed1");            msgExplanation = getText("connectionFailed2", getConnectionName());            buttonStr = connectStr;        }         optionPane =                SheetDialog.showOptionDialog(this,                "<html><h3>" + msgTitle + "</h3>" +                "<b>" + msgExplanation + "</b>",                JOptionPane.DEFAULT_OPTION,                JOptionPane.WARNING_MESSAGE, null,                new String[]{buttonStr, cancelStr},                0);         optionPane.addPropertyChangeListener(new PropertyChangeListener() {             public void propertyChange(PropertyChangeEvent event) {                if (event.getPropertyName().equals(JOptionPane.VALUE_PROPERTY)) {                    Object value = event.getNewValue();                     if (value == reconnectStr || value == connectStr) {                        connect();                    } else if (!everConnected) {                        try {

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