mainwindow.java

aglet的部分源码

package com.ibm.aglets.tahiti;

/*
 * @(#)MainWindow.java
 * 
 * IBM Confidential-Restricted
 * 
 * OCO Source Materials
 * 
 * 03L7246 (c) Copyright IBM Corp. 1996, 1998
 * 
 * The source code for this program is not published or otherwise
 * divested of its trade secrets, irrespective of what has been
 * deposited with the U.S. Copyright Office.
 */

import com.ibm.aglet.Aglet;
import com.ibm.aglet.AgletInfo;
import com.ibm.aglet.Message;
import com.ibm.aglet.InvalidAgletException;
import com.ibm.aglet.AgletException;
import com.ibm.aglet.AgletID;
import com.ibm.aglet.AgletProxy;
import com.ibm.aglet.system.ContextEvent;
import com.ibm.aglet.system.AgletRuntime;
import com.ibm.awb.misc.Resource;

// import com.ibm.aglets.agletbox.AgletBox;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.PrivilegedExceptionAction;
import java.security.cert.Certificate;
import java.awt.*;
import java.awt.event.*;
import java.util.Date;
import java.util.Enumeration;
import java.util.Vector;
import java.util.Hashtable;
import java.util.ResourceBundle;
import java.util.StringTokenizer;
import java.net.URL;
import java.io.InputStream;
import java.io.DataInputStream;
import java.io.IOException;

/**
 * The <tt>MainWindow</tt> represents the main window for the Tahiti aglet
 * viewer.
 * 
 * @version     1.08    $Date: 2002/01/09 05:25:37 $
 * @author      Danny B. Lange
 * @author      Mitsuru Oshima
 * @author      Yoshiaki Mima
 */

/*
 * Aglets List
 * 
 * Ordered by Keys "Creation time", "Class name"
 * 
 */
final class MainWindow extends Frame implements ItemListener, ActionListener {
	static ResourceBundle bundle = null;
	static {
		bundle = 
			(ResourceBundle)AccessController
				.doPrivileged(new PrivilegedAction() {
			public Object run() {
				return ResourceBundle.getBundle("tahiti");
			} 
		});
	} 

	/*
	 * Aglet menu - menu items and shortcut buttons.
	 */
	private MenuItem _dialogMenuItem = new MenuItem();
	private MenuItem _disposeMenuItem = new MenuItem();
	private MenuItem _cloneMenuItem = new MenuItem();
	private MenuItem _infoMenuItem = new MenuItem();
	private MenuItem _killMenuItem = new MenuItem();

	// 
	private Button _disposeButton = new Button();
	private Button _dialogButton = new Button();
	private Button _cloneButton = new Button();
	private Button _infoButton = new Button();

	/*
	 * Mobility menu - menu items and shortcut buttons.
	 */
	private MenuItem _dispatchMenuItem = new MenuItem();
	private Button _dispatchButton = new Button();

	// 
	private MenuItem _deactivateMenuItem = new MenuItem();
	private MenuItem _activateMenuItem = new MenuItem();

	// 
	private MenuItem _javaConsoleMenuItem = new MenuItem();

	// 
	private Tahiti _tahiti = null;

	// 
	private Vector _itemList = new Vector();
	Hashtable text = new Hashtable();

	// 
	Panel _buttonPanel = new Panel();
	List _agletList = new List(0, false);
	boolean shrink = false;

	/* display options */
	static final int ORDER_CREATIONTIME = 0;
	static final int ORDER_CLASSNAME = 1;

	// 
	private int viewOrder = ORDER_CREATIONTIME;
	private boolean isAscent = true;
	private boolean isCompact = false;

	/* package */
	LogWindow logWindow = new LogWindow();

	/*
	 * Tahiti event constants
	 */
	static final int TAHITI_EVENT = 10000;
	static final int CLONE = TAHITI_EVENT + 1;
	static final int CREATE = TAHITI_EVENT + 2;
	static final int DISPOSE = TAHITI_EVENT + 3;
	static final int DISPATCH = TAHITI_EVENT + 4;
	static final int RETRACT = TAHITI_EVENT + 5;
	static final int KILL = TAHITI_EVENT + 6;
	static final int DEACTIVATE = TAHITI_EVENT + 7;
	static final int ACTIVATE = TAHITI_EVENT + 8;
	static final int DIALOG = TAHITI_EVENT + 9;
	static final int GET_AGLETS = TAHITI_EVENT + 10;

	// 
	static final int EXIT = TAHITI_EVENT + 15;
	static final int SHUTDOWN = TAHITI_EVENT + 16;
	static final int REBOOT = TAHITI_EVENT + 17;

	// 
	static final int AGLET_INFO = TAHITI_EVENT + 20;
	static final int SHOW_LOG = TAHITI_EVENT + 21;
	static final int MEMORY_USAGE = TAHITI_EVENT + 22;
	static final int GC = TAHITI_EVENT + 23;
	static final int SHOW_THREADS = TAHITI_EVENT + 24;
	static final int SHOW_DEBUG = TAHITI_EVENT + 25;
	static final int SHOW_REFTABLE = TAHITI_EVENT + 26;
	static final int SHOW_JAVACON = TAHITI_EVENT + 27;

	// 
	static final int PREFERENCE1 = TAHITI_EVENT + 30;
	static final int PREFERENCE2 = TAHITI_EVENT + 31;
	static final int PREFERENCE3 = TAHITI_EVENT + 32;
	static final int PREFERENCE4 = TAHITI_EVENT + 33;

	// 
	static final int ABOUT_AGLETS = TAHITI_EVENT + 35;
	static final int ABOUT_TAHITI = TAHITI_EVENT + 36;

	// 
	static final int SHRINK = TAHITI_EVENT + 40;

	// 
	static final int TAHITI_LAST_EVENT = TAHITI_EVENT + 41;

	// 
	class URLOpener implements ActionListener {
		private String url;

		URLOpener(String u) {
			url = u;
		}
		public void actionPerformed(ActionEvent ev) {
			showURL(url);
		} 
	}
	;
	class EventIssuer implements ActionListener {
		private int _type = 0;

		EventIssuer(int t) {
			_type = t;
		}
		public void actionPerformed(ActionEvent ev) {
			switch (_type) {
			case SHRINK:
				Button b = (Button)ev.getSource();

				if (shrink) {
					shrink = false;
					b.setLabel("><");
					showButtons();
					updateProxyList();
					_agletList.setVisible(true);
					restoreSize();
					doLayout();
					_buttonPanel.doLayout();
				} else {
					b.setLabel("<>");
					saveSize();
					hideButtons();
					_agletList.setVisible(false);
					setSize(350, 
							getBounds().height 
							- _agletList.getBounds().height);
					doLayout();
					_buttonPanel.doLayout();
					shrink = true;
				} 
				break;
			case GC:
				System.gc();
				break;
			case DIALOG:
				dialog(getSelectedProxy());
				break;
			case SHOW_THREADS:
				showThreads();
				break;
			case SHOW_DEBUG:
				com.ibm.awb.misc.Debug.list(System.err);
			case SHOW_REFTABLE:
				com.ibm.aglets.RemoteAgletRef.showRefTable(System.err);
				break;
			case GET_AGLETS:
				getAglets();
				break;
			case ACTIVATE:
				activateAglet(getSelectedProxy());
				break;
			case KILL:
				AgletProxy p = getSelectedProxy();

				if (p != null) {
					try {
						AgletRuntime.getAgletRuntime().killAglet(p);
					} catch (Exception ex) {
						ex.printStackTrace();
					} 
				} 
				break;
			}
		} 
	}
	class DialogOpener implements ActionListener {
		private int _type = 0;

		DialogOpener(int type) {
			_type = type;
		}
		public void actionPerformed(ActionEvent ev) {
			final AgletProxy p = getSelectedProxy();

			AccessController.doPrivileged(new PrivilegedAction() {
				public Object run() {
					TahitiDialog d = null;

					switch (_type) {
					case CREATE:
						d = CreateAgletDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case RETRACT:
						d = RetractAgletDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case DISPOSE:
						AgletProxy pp[] = new AgletProxy[1];

						pp[0] = p;
						d = new DisposeAgletDialog(MainWindow.this, pp);
						d.popupAtCenterOfParent();
						break;
					case CLONE:
						d = new CloneAgletDialog(MainWindow.this, p);
						d.popupAtCenterOfParent();
						break;
					case DISPATCH:
						d = new DispatchAgletDialog(MainWindow.this, p);
						d.popupAtCenterOfParent();
						break;
					case DEACTIVATE:
						d = new DeactivateAgletDialog(MainWindow.this, p);
						d.popupAtCenterOfParent();
						break;
					case AGLET_INFO:
						d = new PropertiesDialog(MainWindow.this, 
												 getSelectedProxy());
						d.popupAtCenterOfParent();
						break;
					case MEMORY_USAGE:
						d = MemoryUsageDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case SHOW_LOG:
						logWindow.pack();
						if (logWindow.getLocation().x == 0 
								&& logWindow.getLocation().y == 0) {
							Dimension dim = getToolkit().getScreenSize();
							Dimension size = logWindow.getSize();

							logWindow
								.setLocation((dim.width - size.width) / 2, 
											 (dim.height - size.height) / 2);
						} 
						logWindow.show();
						break;
					case SHOW_JAVACON:
						if (com.ibm.awb.launcher.Agletsd.console != null) {
							com.ibm.awb.launcher.Agletsd.console.show();
						} 
						break;
					case PREFERENCE1:
						d = GeneralConfigDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case PREFERENCE2:
						d = NetworkConfigDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case PREFERENCE3:
						d = SecurityConfigDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case PREFERENCE4:
						d = ServerPrefsDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					case ABOUT_TAHITI:
						Resource res = Resource.getResourceFor("tahiti");
						ResourceBundle bundle = null;

						bundle = ResourceBundle.getBundle("tahiti");
						d = 
							TahitiDialog
								.message(MainWindow.this, 
										 bundle.getString("title.about_tahiti"), 
										 res.getString("tahiti.version") 
										 + "\n" 
										 + bundle
											 .getString("message.copyright"));
						d.popupAtCenterOfParent();
						break;
					case ABOUT_AGLETS:
						res = Resource.getResourceFor("aglets");
						String msg = "Aglets Version : " 
									 + res.getString("aglets.version") + "\n" 
									 + "Aglets API : " + Aglet.MAJOR_VERSION 
									 + "." + Aglet.MINOR_VERSION + "\n" 
									 + "Aglet Transfer Format : " 
									 + res.getString("aglets.stream.version") 
									 + "\n" + "\n" 
									 + res.getString("aglets.copyright");

						d = TahitiDialog.message(MainWindow.this, 
												 "About Aglets", msg);
						d.popupAtCenterOfParent();
						break;
					case EXIT:
						d = ShutdownDialog.getInstance(MainWindow.this);
						d.popupAtCenterOfParent();
						break;
					}
					return null;
				} 
			});
		} 
	}

	// -------------------------------------------------------------------
	// -- Message line

	// Size of message line.--
	// 
	private int _messageLineSize = 60;

	// The message line.
	// 
	private TextField _messageLine = new TextField(_messageLineSize);

	public class TahitiEventHandler implements Runnable {
		int _type;
		AgletProxy _proxy;
		long _time;
		String _remoteURL;
		String _codebase;
		String _name;
		boolean _reload;

		TahitiEventHandler(int type, AgletProxy p) {
			_type = type;
			_proxy = p;
		}
		TahitiEventHandler(AgletProxy p, long time) {
			_type = DEACTIVATE;
			_proxy = p;
			_time = time;
		}
		TahitiEventHandler(AgletProxy p, String dest) {
			_type = DISPATCH;
			_proxy = p;
			_remoteURL = dest;
		}
		TahitiEventHandler(String codebase, String name, boolean reload) {
			_type = CREATE;
			_codebase = codebase;
			_name = name;
			_reload = reload;
		}
		public void run() {
			com.ibm.awb.misc.Debug.start();
			com.ibm.awb.misc.Debug.check();
			try {
				perform();
			} catch (Error ex) {
				ex.printStackTrace();
				TahitiDialog
					.message(MainWindow.this, "Error", ex.getClass()
						.getName() + "\n" + ex.getMessage())
							.popupAtCenterOfParent();
			} catch (Exception ex) {
				ex.printStackTrace();
				TahitiDialog
					.message(MainWindow.this, "Exception", ex.getClass()
						.getName() + "\n" + ex.getMessage())
							.popupAtCenterOfParent();
			} 
			finally {
				com.ibm.awb.misc.Debug.end();
			} 
		} 
		private void perform() throws Exception {
			switch (_type) {
			case CLONE:
				_proxy.clone();
				break;
			case DISPOSE:
				_proxy.dispose();
				break;
			case CREATE:
				if (!"".equals(_codebase)) {
					while (_codebase.toLowerCase().startsWith("http://")