application.java

无线传感器网络节点Sun SPOT管理工具

/*
 * Copyright (c) 2007 Sun Microsystems, Inc. All rights reserved. 
 * 
 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product that is
 * described in this document. In particular, and without limitation, these intellectual property rights may
 * include one or more of the U.S. patents listed at http://www.sun.com/patents and one or more additional patents
 * or pending patent applications in the U.S. and in other countries.
 * 
 * U.S. Government Rights - Commercial software. Government users are subject to the Sun Microsystems, Inc.
 * standard license agreement and applicable provisions of the FAR and its supplements.
 * 
 * Use is subject to license terms. 
 * 
 * This distribution may include materials developed by third parties. Sun, Sun Microsystems, the Sun logo and
 * Java are trademarks or registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. 
 * 
 * Copyright (c) 2006 Sun Microsystems, Inc. Tous droits r?serv?s.
 * 
 * Sun Microsystems, Inc. d?tient les droits de propri?t? intellectuels relatifs ? la technologie incorpor?e dans
 * le produit qui est d?crit dans ce document. En particulier, et ce sans limitation, ces droits de propri?t?
 * intellectuelle peuvent inclure un ou plus des brevets am?ricains list?s ? l'adresse http://www.sun.com/patents
 * et un ou les brevets suppl?mentaires ou les applications de brevet en attente aux Etats - Unis et dans les
 * autres pays.
 * 
 * L'utilisation est soumise aux termes du contrat de licence.
 * 
 * Cette distribution peut comprendre des composants d?velopp?s par des tierces parties.
 * Sun, Sun Microsystems, le logo Sun et Java sont des marques de fabrique ou des marques d?pos?es de Sun
 * Microsystems, Inc. aux Etats-Unis et dans d'autres pays.
 */

package com.sun.spot.spotworld.participants;
 
import com.sun.spot.spotworld.common.LocaleUtil;
import com.sun.spot.spotworld.common.UICommand;
import com.sun.spot.spotworld.gui.IUIApplication;
import com.sun.spot.spotworld.gui.IUIObject;
//import com.sun.spot.spotworld.gui.RemotePrintHandler;
import com.sun.spot.spotworld.virtualobjects.VirtualObject;
import java.util.Vector;
import org.sunspotworld.remoteprinting.RemotePrintHandler;

/**
 * A proxy to an application running on some SPOT out there somewhere.
 * @author randy
 */
public class Application extends VirtualObject {
    
    private static Vector<RemotePrintHandler> remotePrintHandlers = new Vector<RemotePrintHandler>();
    
    public static enum AppState {RUNNING, PAUSED, EXITED, NEW, BEING_DEBUGGED, MIGRATING};
    
    private AppState state = AppState.RUNNING; 
    
    public static boolean ALLOW_APP_MIGRATION = false;
    
    public Application() {
    }
     
    private SquawkHost host;
    
    private String isolateID;  //The long, universally unique id for this isolate. All the other name bits are derived from this.
    //TO DO Remove these 4 fields, they are mearly chaches and requests for their values should be replaced by computed answers
    private String className;
    private String sourceAddress;
    private String packageName;
    private int idCount;
    
   
    
    public Vector<UICommand> getApplicationMethods() {
        Vector<UICommand> methods = new Vector<UICommand>();
        
        methods.addElement(new UICommand() {
            public String getName() {
                return LocaleUtil.getString("pause");
            }
            public String getToolTip() {
                return "Pause this Application";
            }
            public void run(IUIObject obj) {
                pause();
            }
        });
        
        methods.addElement(new UICommand() {
            public String getName() {
                return LocaleUtil.getString("resume");
            }
            public String getToolTip() {
                return "Resume this Application";
            }
            public void run(IUIObject obj) {
                resume();
            }
        });
        
        methods.addElement(new UICommand() {
            public String getName() {
                return LocaleUtil.getString("exit");
            }
            public String getToolTip() {
                return "Exit this Application";
            }
            public void run(IUIObject obj) {
                exit();
            }
        });
        
        methods.addElement(new UICommand() {
            public String getName() {
                return LocaleUtil.getString("Start remote printing");
            }
            public String getToolTip() {
                return "open a window that captures a radio stream from System.out";
            }
            public void run(IUIObject obj) { 
               ((IUIApplication)obj).startRemotePrinting();
            }
        });
        
        methods.addElement(new UICommand() {
            public String getName() {
                return LocaleUtil.getString("refresh");
            } 
            public String getToolTip() {
                return "Update this representation";
            }
            public void run(IUIObject obj) {
                refresh();
            }
        });
        
        return methods;
    }
    
    public void pause(){
        ((SunSPOT)getHost()).sendSPOTMessage("PAUSE_APP", isolateID);
    }
    
    public void resume(){
        ((SunSPOT)getHost()).sendSPOTMessage("RESUME_APP", isolateID);
    }
    
    public void stopRemotePrinting(int portNumber){
        ((SunSPOT)getHost()).sendSPOTMessage("STOP_REMOTE_PRINT_APP", isolateID, "" + portNumber );
    }
    
    public void exit(){
        ((SunSPOT)getHost()).sendSPOTMessage("EXIT_APP", isolateID);
    }
    
    public void refresh(){
        Vector[] reply = ((SunSPOT)getHost()).sendSPOTMessage("GET_APP_STATUS", isolateID);
        ((SunSPOT) getHost()).appStatus((String) reply[0].elementAt(0), (String) reply[0].elementAt(1) );
    }
     public SquawkHost getHost() {
        return (SquawkHost) host;
    }
    
    public String getUniqueID(){ return getIsolateID(); }
    
    public void setIsolateID(String isoID){
        isolateID = isoID;
        String[] strs0 = isoID.split("@");
        sourceAddress = strs0[1];
        String[] strs1 = strs0[0].split("#");
        String fullClassName = strs1[0];
        idCount = (new Integer(strs1[1])).intValue();
        String[] strs2 = fullClassName.split("\\.");
        className = strs2[strs2.length - 1];
        packageName = "";
        for (int i = 0; i < strs2.length - 1; i++) {
            packageName = packageName + strs2[i];
            if(i < strs2.length - 2) packageName = packageName + ".";
        }
    }
    
    public String toString(){
        return super.toString() + ": " + getName();
    }
    
    /*
     * This can be called when the object has no UI. Or, it may have
     * a UI AND an existing host.
     */
    public void setHost(SquawkHost host) {
        msg("                       Setting a host for the application to be " + host);
        this.host = host;
        // Now in the inconsistent state of being graphically associated with the wrong host!
        // Notify the UI so this can be repaired.
        notifyUIObjects();
    }
    
    public String getName() {
        return getIsolateID();
    }
    
    public AppState getState() {
        return state;
    }
    
    public void setState(AppState newState) {
        state = newState;
        notifyUIObjects();
    }
    
    public String getClassName() {
        return className;
    }
    
    public void setClassName(String className) {
        this.className = className;
    }
    
    public String getSourceAddress() {
        return sourceAddress;
    }
    
    public void setSourceAddress(String sourceAddress) {
        this.sourceAddress = sourceAddress;
    }
    
    public String getPackageName() {
        return packageName;
    }
    
    public void setPackageName(String packageName) {
        this.packageName = packageName;
    }
    
    public int getIdCount() {
        return idCount;
    }
    
    public void setIdCount(int idCount) {
        this.idCount = idCount;
    }
    
    public String getIsolateID() {
        return isolateID;
    }
}