/*

 * Copyright (c) 2004, 2012, 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

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 */

package sun.tools.jconsole;

import java.awt.*;

import java.awt.event.*;

import java.beans.*;

import java.io.*;

import java.net.*;

import java.util.*;

import java.util.List;

import javax.swing.*;

import javax.swing.border.*;

import javax.swing.event.*;

import javax.swing.plaf.*;

import javax.security.auth.login.FailedLoginException;

import javax.net.ssl.SSLHandshakeException;

import com.sun.tools.jconsole.JConsolePlugin;

import sun.net.util.IPAddressUtil;

import static sun.tools.jconsole.Utilities.*;

@SuppressWarnings("serial")

public class JConsole extends JFrame

    implements ActionListener, InternalFrameListener {

    static /*final*/ boolean IS_GTK;

    static /*final*/ boolean IS_WIN;

    static {

        // Apply the system L&F if it is GTK or Windows, and

        // the L&F is not specified using a system property.

        if (System.getProperty("swing.defaultlaf") == null) {

            String systemLaF = UIManager.getSystemLookAndFeelClassName();

            if (systemLaF.equals("com.sun.java.swing.plaf.gtk.GTKLookAndFeel") ||

                systemLaF.equals("com.sun.java.swing.plaf.windows.WindowsLookAndFeel")) {

                try {

                    UIManager.setLookAndFeel(systemLaF);

                } catch (Exception e) {

                    System.err.println(Resources.format(Messages.JCONSOLE_COLON_, e.getMessage()));

                }

            }

        }

        updateLafValues();

    }

    static void updateLafValues() {

        String lafName = UIManager.getLookAndFeel().getClass().getName();

        IS_GTK = lafName.equals("com.sun.java.swing.plaf.gtk.GTKLookAndFeel");

        IS_WIN = lafName.equals("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");

        //BorderedComponent.updateLafValues();

    }

    private final static String title =

        Messages.JAVA_MONITORING___MANAGEMENT_CONSOLE;

    public final static String ROOT_URL =

        "service:jmx:";

    private static int updateInterval = 4000;

    private static String pluginPath = "";

    private JMenuBar menuBar;

    private JMenuItem hotspotMI, connectMI, exitMI;

    private WindowMenu windowMenu;

    private JMenuItem tileMI, cascadeMI, minimizeAllMI, restoreAllMI;

    private JMenuItem userGuideMI, aboutMI;

    private JButton connectButton;

    private JDesktopPane desktop;

    private ConnectDialog connectDialog;

    private CreateMBeanDialog createDialog;

    private ArrayList<VMInternalFrame> windows =

        new ArrayList<VMInternalFrame>();

    private int frameLoc = 5;

    static boolean debug;

    public JConsole(boolean hotspot) {

        super(title);

        setRootPane(new FixedJRootPane());

        setAccessibleDescription(this,

                                 Messages.JCONSOLE_ACCESSIBLE_DESCRIPTION);

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        menuBar = new JMenuBar();

        setJMenuBar(menuBar);

        // TODO: Use Actions !

        JMenu connectionMenu = new JMenu(Messages.CONNECTION);

        connectionMenu.setMnemonic(Resources.getMnemonicInt(Messages.CONNECTION));

        menuBar.add(connectionMenu);

        if(hotspot) {

            hotspotMI = new JMenuItem(Messages.HOTSPOT_MBEANS_ELLIPSIS);

            hotspotMI.setMnemonic(Resources.getMnemonicInt(Messages.HOTSPOT_MBEANS_ELLIPSIS));

            hotspotMI.setAccelerator(KeyStroke.

                                     getKeyStroke(KeyEvent.VK_H,

                                                  InputEvent.CTRL_MASK));

            hotspotMI.addActionListener(this);

            connectionMenu.add(hotspotMI);

            connectionMenu.addSeparator();

        }

        connectMI = new JMenuItem(Messages.NEW_CONNECTION_ELLIPSIS);

        connectMI.setMnemonic(Resources.getMnemonicInt(Messages.NEW_CONNECTION_ELLIPSIS));

        connectMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,

                                                        InputEvent.CTRL_MASK));

        connectMI.addActionListener(this);

        connectionMenu.add(connectMI);

        connectionMenu.addSeparator();

        exitMI = new JMenuItem(Messages.EXIT);

        exitMI.setMnemonic(Resources.getMnemonicInt(Messages.EXIT));

        exitMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F4,

                                                     InputEvent.ALT_MASK));

        exitMI.addActionListener(this);

        connectionMenu.add(exitMI);

        JMenu helpMenu = new JMenu(Messages.HELP_MENU_TITLE);

        helpMenu.setMnemonic(Resources.getMnemonicInt(Messages.HELP_MENU_TITLE));

        menuBar.add(helpMenu);

        if (AboutDialog.isBrowseSupported()) {

            userGuideMI = new JMenuItem(Messages.HELP_MENU_USER_GUIDE_TITLE);

            userGuideMI.setMnemonic(Resources.getMnemonicInt(Messages.HELP_MENU_USER_GUIDE_TITLE));

            userGuideMI.addActionListener(this);

            helpMenu.add(userGuideMI);

            helpMenu.addSeparator();

        }

        aboutMI = new JMenuItem(Messages.HELP_MENU_ABOUT_TITLE);

        aboutMI.setMnemonic(Resources.getMnemonicInt(Messages.HELP_MENU_ABOUT_TITLE));

        aboutMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F1, 0));

        aboutMI.addActionListener(this);

        helpMenu.add(aboutMI);

    }

    public JDesktopPane getDesktopPane() {

        return desktop;

    }

    public List<VMInternalFrame> getInternalFrames() {

        return windows;

    }

    private void createMDI() {

        // Restore title - we now show connection name on internal frames

        setTitle(title);

        Container cp = getContentPane();

        Component oldCenter =

            ((BorderLayout)cp.getLayout()).

            getLayoutComponent(BorderLayout.CENTER);

        windowMenu = new WindowMenu(Messages.WINDOW);

        windowMenu.setMnemonic(Resources.getMnemonicInt(Messages.WINDOW));

        // Add Window menu before Help menu

        menuBar.add(windowMenu, menuBar.getComponentCount() - 1);

        desktop = new JDesktopPane();

        desktop.setBackground(new Color(235, 245, 255));

        cp.add(desktop, BorderLayout.CENTER);

        if (oldCenter instanceof VMPanel) {

            addFrame((VMPanel)oldCenter);

        }

    }

    private class WindowMenu extends JMenu {

        VMInternalFrame[] windowMenuWindows = new VMInternalFrame[0];

        int separatorPosition;

        // The width value of viewR is used to truncate long menu items.

        // The rest are placeholders and are ignored for this purpose.

        Rectangle viewR = new Rectangle(0, 0, 400, 20);

        Rectangle textR = new Rectangle(0, 0, 0, 0);

        Rectangle iconR = new Rectangle(0, 0, 0, 0);

        WindowMenu(String text) {

            super(text);

            cascadeMI = new JMenuItem(Messages.CASCADE);

            cascadeMI.setMnemonic(Resources.getMnemonicInt(Messages.CASCADE));

            cascadeMI.addActionListener(JConsole.this);

            add(cascadeMI);

            tileMI = new JMenuItem(Messages.TILE);

            tileMI.setMnemonic(Resources.getMnemonicInt(Messages.TILE));

            tileMI.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_T,

                                                         InputEvent.CTRL_MASK));

            tileMI.addActionListener(JConsole.this);

            add(tileMI);

            minimizeAllMI = new JMenuItem(Messages.MINIMIZE_ALL);

            minimizeAllMI.setMnemonic(Resources.getMnemonicInt(Messages.MINIMIZE_ALL));

            minimizeAllMI.addActionListener(JConsole.this);

            add(minimizeAllMI);

            restoreAllMI = new JMenuItem(Messages.RESTORE_ALL);

            restoreAllMI.setMnemonic(Resources.getMnemonicInt(Messages.RESTORE_ALL));

            restoreAllMI.addActionListener(JConsole.this);

            add(restoreAllMI);

            separatorPosition = getMenuComponentCount();

        }

        private void add(VMInternalFrame vmIF) {

            if (separatorPosition == getMenuComponentCount()) {

                addSeparator();

            }

            int index = -1;

            int position = separatorPosition + 1;

            int n = windowMenuWindows.length;

            for (int i = 0; i < n; i++) {

                if (windowMenuWindows[i] != null) {

                    // Slot is in use, try next

                    position++;

                } else {

                    // Found a free slot

                    index = i;

                    break;

                }

            }

            if (index == -1) {

                // Create a slot at the end

                VMInternalFrame[] newArray = new VMInternalFrame[n + 1];

                System.arraycopy(windowMenuWindows, 0, newArray, 0, n);

                windowMenuWindows = newArray;

                index = n;

            }

            windowMenuWindows[index] = vmIF;

            String indexString = "" + (index+1);

            String vmName = vmIF.getVMPanel().getDisplayName();

            // Maybe truncate menu item string and end with "..."

            String text =

                SwingUtilities.layoutCompoundLabel(this,

                                        getGraphics().getFontMetrics(getFont()),

                                        indexString +  " " + vmName,

                                        null, 0, 0, 0, 0,

                                        viewR, iconR, textR, 0);

            JMenuItem mi = new JMenuItem(text);

            if (text.endsWith("...")) {

                mi.setToolTipText(vmName);

            }

            // Set mnemonic using last digit of number

            int nDigits = indexString.length();

            mi.setMnemonic(indexString.charAt(nDigits-1));

            mi.setDisplayedMnemonicIndex(nDigits-1);

            mi.putClientProperty("JConsole.vmIF", vmIF);

            mi.addActionListener(JConsole.this);

            vmIF.putClientProperty("JConsole.menuItem", mi);

            add(mi, position);

        }

        private void remove(VMInternalFrame vmIF) {

            for (int i = 0; i < windowMenuWindows.length; i++) {

                if (windowMenuWindows[i] == vmIF) {

                    windowMenuWindows[i] = null;

                }

            }

            JMenuItem mi = (JMenuItem)vmIF.getClientProperty("JConsole.menuItem");

            remove(mi);

            mi.putClientProperty("JConsole.vmIF", null);

            vmIF.putClientProperty("JConsole.menuItem", null);

            if (separatorPosition == getMenuComponentCount() - 1) {

                remove(getMenuComponent(getMenuComponentCount() - 1));

            }

        }

    }

    public void actionPerformed(ActionEvent ev) {

        Object src = ev.getSource();

        if (src == hotspotMI) {

            showCreateMBeanDialog();

        }

        if (src == connectButton || src == connectMI) {

            VMPanel vmPanel = null;

            JInternalFrame vmIF = desktop.getSelectedFrame();

            if (vmIF instanceof VMInternalFrame) {

                vmPanel = ((VMInternalFrame)vmIF).getVMPanel();

            }

                String hostName = "";

                String url = "";

                if (vmPanel != null) {

                    hostName = vmPanel.getHostName();

                    if(vmPanel.getUrl() != null)

                        url = vmPanel.getUrl();

                }

                showConnectDialog(url, hostName, 0, null, null, null);

        } else if (src == tileMI) {

            tileWindows();

        } else if (src == cascadeMI) {

            cascadeWindows();

        } else if (src == minimizeAllMI) {

            for (VMInternalFrame vmIF : windows) {

                try {

                    vmIF.setIcon(true);

                } catch (PropertyVetoException ex) {

                    // Ignore

                }

            }

        } else if (src == restoreAllMI) {

            for (VMInternalFrame vmIF : windows) {

                try {

                    vmIF.setIcon(false);

                } catch (PropertyVetoException ex) {

                    // Ignore

                }

            }

        } else if (src == exitMI) {

            System.exit(0);

        } else if (src == userGuideMI) {

            AboutDialog.browseUserGuide(this);

        } else if (src == aboutMI) {

            AboutDialog.showAboutDialog(this);

        } else if (src instanceof JMenuItem) {

            JMenuItem mi = (JMenuItem)src;

            VMInternalFrame vmIF = (VMInternalFrame)mi.

                getClientProperty("JConsole.vmIF");

            if (vmIF != null) {

                try {

                    vmIF.setIcon(false);

                    vmIF.setSelected(true);

                } catch (PropertyVetoException ex) {

                    // Ignore

                }

                vmIF.moveToFront();

            }

        }

    }

    public void tileWindows() {

        int w = -1;

        int h = -1;

        int n = 0;

        for (VMInternalFrame vmIF : windows) {

            if (!vmIF.isIcon()) {

                n++;

                if (w == -1) {

                    try {

                        vmIF.setMaximum(true);

                        w = vmIF.getWidth();

                        h = vmIF.getHeight();

                    } catch (PropertyVetoException ex) {

                        // Ignore

                    }

                }

            }

        }

        if (n > 0 && w > 0 && h > 0) {

            int rows = (int)Math.ceil(Math.sqrt(n));

            int cols = n / rows;

            if (rows * cols < n) cols++;

            int x = 0;

            int y = 0;

            w /= cols;

            h /= rows;

            int col = 0;

            for (VMInternalFrame vmIF : windows) {

                if (!vmIF.isIcon()) {

                    try {

                        vmIF.setMaximum(n==1);

                    } catch (PropertyVetoException ex) {

                        // Ignore

                    }

                    if (n > 1) {

                        vmIF.setBounds(x, y, w, h);

                    }

                    if (col < cols-1) {

                        col++;

                        x += w;

                    } else {

                        col = 0;

                        x = 0;

                        y += h;

                    }

                }

            }

        }

    }

    public void cascadeWindows() {

        int n = 0;

        int w = -1;

        int h = -1;

        for (VMInternalFrame vmIF : windows) {

            if (!vmIF.isIcon()) {

                try {

                    vmIF.setMaximum(false);

                } catch (PropertyVetoException ex) {

                    // Ignore

                }

                n++;

                vmIF.pack();

                if (w == -1) {

                    try {

                        w = vmIF.getWidth();

                        h = vmIF.getHeight();

                        vmIF.setMaximum(true);

                        w = vmIF.getWidth() - w;

                        h = vmIF.getHeight() - h;

                        vmIF.pack();

                    } catch (PropertyVetoException ex) {

                        // Ignore

                    }

                }

            }

        }

        int x = 0;

        int y = 0;

        int dX = (n > 1) ? (w / (n - 1)) : 0;

        int dY = (n > 1) ? (h / (n - 1)) : 0;

        for (VMInternalFrame vmIF : windows) {

            if (!vmIF.isIcon()) {

                vmIF.setLocation(x, y);

                vmIF.moveToFront();

                x += dX;

                y += dY;

            }

        }

    }

    // Call on EDT

    void addHost(String hostName, int port,

                 String userName, String password) {

        addHost(hostName, port, userName, password, false);

    }

    // Call on EDT

    void addVmid(LocalVirtualMachine lvm) {

        addVmid(lvm, false);

    }

    // Call on EDT

    void addVmid(final LocalVirtualMachine lvm, final boolean tile) {

        new Thread("JConsole.addVmid") {

            public void run() {

                try {

                    addProxyClient(ProxyClient.getProxyClient(lvm), tile);

                } catch (final SecurityException ex) {

                    failed(ex, null, null, null);

                } catch (final IOException ex) {

                    failed(ex, null, null, null);

                }

            }

        }.start();

    }

    // Call on EDT

    void addUrl(final String url,

                final String userName,

                final String password,

                final boolean tile) {

        new Thread("JConsole.addUrl") {

            public void run() {

                try {

                    addProxyClient(ProxyClient.getProxyClient(url, userName, password),

                                   tile);

                } catch (final MalformedURLException ex) {

                    failed(ex, url, userName, password);

                } catch (final SecurityException ex) {

                    failed(ex, url, userName, password);

                } catch (final IOException ex) {

                    failed(ex, url, userName, password);

                }

            }

        }.start();

    }

    // Call on EDT

    void addHost(final String hostName, final int port,

                 final String userName, final String password,

                 final boolean tile) {

        new Thread("JConsole.addHost") {

            public void run() {

                try {

                    addProxyClient(ProxyClient.getProxyClient(hostName, port,