track.java

j2me写的google地图

// Decompiled by DJ v3.7.7.81 Copyright 2004 Atanas Neshkov  Date: 2008-6-16 11:21:24
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   Track.java

package com.eightmotions.map;

import com.eightmotions.util.*;
import henson.midp.Float;
import java.io.*;
import java.util.*;
import javax.microedition.io.HttpConnection;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import org.kxml2.io.KXmlParser;

// Referenced classes of package com.eightmotions.map:
//            OneLocSquare, OneLoc, MapCanvas, TrackNotifier, 
//            oneGPSPos, TrackListener

public class Track
    implements NotifyLoadURL
{

    protected Track(Display d, String inUrl, String inInfo, MapCanvas inCanvas)
    {
        isInit = false;
        m_rmsId = -1;
        times = null;
        alts = null;
        courses = null;
        speeds = null;
        m_locType = m_defaultLocType;
        m_name = "Noname";
        listPlaces = new Vector();
        savedTrack = null;
        m_tn = null;
        nbWaypoints = 0;
        sizeTrack = 0;
        loaded = false;
        modeTrack = 0;
        m_autoDisplay = false;
        m_refreshType = 0;
        m_display = d;
        m_url = inUrl;
        if(d != null)
        {
            d.setCurrent(m_a = new Alert("Loading", inInfo, null, AlertType.INFO));
            m_a.setTimeout(-2);
        }
        String url = inUrl;
        if(inCanvas != null)
            url = inCanvas.locateURL(m_url);
        if(UtilMidp.DEBUG)
            System.out.println("url:" + url);
        int first = url.lastIndexOf('/');
        if(first == -1)
            first = 0;
        if(first == url.length() - 1)
            first = 0;
        else
            first++;
        m_name = url.substring(first);
        URLFetcher f = new URLFetcher(url);
        f.setListener(this);
        f.fetch();
        isInit = true;
    }

    protected Track(Display d, String name)
    {
        isInit = false;
        m_rmsId = -1;
        times = null;
        alts = null;
        courses = null;
        speeds = null;
        m_locType = m_defaultLocType;
        m_name = "Noname";
        listPlaces = new Vector();
        savedTrack = null;
        m_tn = null;
        nbWaypoints = 0;
        sizeTrack = 0;
        loaded = false;
        modeTrack = 0;
        m_autoDisplay = false;
        m_refreshType = 0;
        m_display = d;
        m_name = name;
    }

    protected Track(Display d, int inRmsId)
    {
        isInit = false;
        m_rmsId = -1;
        times = null;
        alts = null;
        courses = null;
        speeds = null;
        m_locType = m_defaultLocType;
        m_name = "Noname";
        listPlaces = new Vector();
        savedTrack = null;
        m_tn = null;
        nbWaypoints = 0;
        sizeTrack = 0;
        loaded = false;
        modeTrack = 0;
        m_autoDisplay = false;
        m_refreshType = 0;
        m_display = d;
        m_rmsId = inRmsId;
        loadHeader();
    }

    protected Track(Display d, Displayable reference, InputStream is, String inInfo)
    {
        isInit = false;
        m_rmsId = -1;
        times = null;
        alts = null;
        courses = null;
        speeds = null;
        m_locType = m_defaultLocType;
        m_name = "Noname";
        listPlaces = new Vector();
        savedTrack = null;
        m_tn = null;
        nbWaypoints = 0;
        sizeTrack = 0;
        loaded = false;
        modeTrack = 0;
        m_autoDisplay = false;
        m_refreshType = 0;
        m_display = d;
        m_url = "none";
        d.setCurrent(m_a = new Alert("Loading", inInfo, null, AlertType.INFO));
        m_a.setTimeout(-2);
        inputStream(is, null);
        isInit = true;
    }

    public static Track getTrack(Display d, String name)
    {
        Track t = new Track(d, name);
        addTrack(t);
        return t;
    }

    public static Track getTrack(Display d, String inUrl, String inInfo, MapCanvas inMap)
    {
        Track t = new Track(d, inUrl, inInfo, inMap);
        addTrack(t);
        return t;
    }

    public static Track getTrack(Display d, Displayable reference, InputStream is, String inInfo)
    {
        Track t = new Track(d, reference, is, inInfo);
        addTrack(t);
        return t;
    }

    public static void addTrack(Track t)
    {
        tracks.addElement(t);
        if(m_tn_glob != null)
            m_tn_glob.onTrackCreated(t);
    }

    protected long readLong(byte b[], int off, int length)
    {
        long res;
        int next;
        for(res = 0L; length-- > 0; res = (res << 8) + (long)next)
        {
            next = b[off++];
            if(next < 0)
                next = 256 + next;
        }

        return res;
    }

    protected static void writeLong(byte b[], int off, int length, long data)
    {
        while(length-- > 0) 
        {
            b[off + length] = (byte)(int)(data % 255L);
            data >>= 8;
        }
    }

    public void setUrl(String inUrl, MapCanvas inMap)
    {
        m_url = inUrl;
        if(inMap != null)
            inUrl = inMap.locateURL(inUrl);
        URLFetcher f = new URLFetcher(inUrl);
        f.setListener(this);
        f.fetch();
    }

    public void export(OutputStream os, int typeExport)
    {
        switch(typeExport)
        {
        case 1: // '\001'
            sendGPX(os);
            break;

        case 0: // '\0'
        default:
            sendKML(os);
            break;
        }
    }

    public static void initTracks()
    {
        int lid = 0;
        try
        {
            RecordStore rs = RecordStore.openRecordStore("GPSTrack", true);
            for(RecordEnumeration re = rs.enumerateRecords(null, null, false); re.hasNextElement();)
            {
                int rd = re.nextRecordId();
                int size = rs.getRecordSize(rd);
                String name = "Record " + lid++ + " Size:" + size + " rd:" + rd;
                try
                {
                    Track track = new Track(null, rd);
                    addTrack(track);
                }
                catch(Exception e)
                {
                    e.printStackTrace();
                }
            }

            rs.closeRecordStore();
        }
        catch(Exception e)
        {
            e.printStackTrace();
        }
    }

    protected void loadHeader()
    {
        try
        {
            RecordStore rs = RecordStore.openRecordStore("GPSTrack", true);
            byte buffer[] = rs.getRecord(m_rmsId);
            int size;
            for(size = 63; buffer[size] == 0; size--);
            try
            {
                m_name = new String(buffer, 0, size, "UTF-8");
            }
            catch(Exception e)
            {
                m_name = new String(buffer, 0, size);
            }
            m_name = m_name.trim();
            modeTrack = (int)readLong(buffer, 64, 1);
            sizeTrack = (int)readLong(buffer, 65, 3);
            nbWaypoints = (int)readLong(buffer, 68, 4);
            timeStamp = readLong(buffer, 72, 8);
            if(UtilMidp.DEBUG)
                System.out.println("Header:" + sizeTrack + " waypoints:" + nbWaypoints + " time:" + timeStamp);
            if(UtilMidp.DEBUG)
                System.out.println("Trying to read:" + m_rmsId + " size:" + rs.getRecordSize(m_rmsId));
            rs.closeRecordStore();
            buffer = null;
        }
        catch(RecordStoreException e)
        {
            e.printStackTrace();
        }
    }

    public void clear()
    {
        nbWaypoints = 0;
        listPlaces.removeAllElements();
        sizeTrack = 0;
    }

    public boolean inputStream(InputStream is, HttpConnection cnx)
    {
    	try
    	{
        KXmlParser parser;
        parser = new KXmlParser();
        parser.setInput(is, null);
        return parse(parser);
    	}catch(Exception e)
    	{
          e.printStackTrace();
          return false;
        }
    }

    public boolean parse(KXmlParser parser)
    {
    	return false;
//        Vector oldList;
//        int num;
//        oldList = new Vector();
//        for(int i = 0; i < listPlaces.size(); i++)
//            oldList.addElement(listPlaces.elementAt(i));
//
//        clear();
//        num = 0;
//        boolean inItem;
//        boolean cont;
//        boolean inLineString;
//        boolean inWpt;
//        boolean inIconStyle;
//        boolean inLink;
//        boolean inIcon;
//        int color;
//        int type;
//        String lon;
//        String lat;
//        String name;
//        String description;
//        String iconName;
//        String photoName;
//        String tel;
//        String adr;
//        String bbox;
//        OneLoc curLoc;
//        int segments[];
//        int nbSegment;
//        int iconX;
//        int iconY;
//        boolean inBlock;
//        boolean doReload;
//        String urlIcon;
//        Hashtable values;
//        String curStyleName;
//        Hashtable styles;
//        inItem = false;
//        cont = true;
//        inLineString = false;
//        inWpt = false;
//        inIconStyle = false;
//        inLink = false;
//        inIcon = false;
//        color = -1;
//        type = -1;
//        lon = "";
//        lat = "";