garmingmldoc.java

来自「gps garmingpstool-src-0[1].9.tar.gz」· Java 代码 · 共 483 行

package net.aetherial.gis.garmin;

import java.io.*;
import java.net.*;
import java.util.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import org.w3c.dom.svg.*;
import javax.xml.parsers.*;

import net.aetherial.gis.garmin.*;

public final class GarminGMLDoc
{
	static Document d = null;
	static Element root = null;
	static SVGDocument svgDoc = null;

	public GarminGMLDoc ()
	{

	}

	public static Document getDocument ()
	{
		try
		{
			if (d == null)
			{
				DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance ();
				DocumentBuilder db = dbf.newDocumentBuilder ();
				d = db.newDocument ();

				root = d.createElement ("GarminDataCollection");
	
				d.appendChild (root);
			}
		
			d.setNodeValue ("garminDataCollection");
		}
		catch (Exception e)
		{
			System.out.println (e);
		}

		return d;
	}

	public static void resetGMLDoc ()
	{
		d = null;
	}
	
	public static Element addWaypoint (Waypoint w)
	{
		Position p = w.getPosition ();
		String name = w.getIdentifier ();
		
		if (GarminConfiguration.addWaypointToLog (name))
		{
			double lon, lat;

			Element e = d.createElement ("waypoint");
		
			lat = p.getDoubleDegreeLatitude ();
			lon = p.getDoubleDegreeLongitude ();


			if (p.getLongOrientChar () == 'W')
				lon = 0 - lon;

			if (p.getLatOrientChar () == 'N')
				lat = 0 - lat;

			Element f = newGMLPoint (lon, lat, name);
		
			e.appendChild (f);

			root.appendChild (e);

			return e;
		}
		else
			return null;
	}

	public static Element addTrack (String name)
	{
		if (d == null)
			getDocument ();

		if (GarminConfiguration.addTrackToLog (name))
		{
			Element e = d.createElement ("track");
			Element ename = d.createElement ("gml:name");

			Text t = d.createTextNode (name);

			ename.appendChild (t);

			e.appendChild (ename);

			Element eline = d.createElement ("gml:LineString");

			e.appendChild (eline);

			root.appendChild (e);

			return eline;
		}
		else
			return null;
	}

	public static Element addTrackPoint (Element e, TrackPoint tp)
	{
		if (e == null)
			return null;

		Position p = tp.getPosition ();
	
		float lon = p.getFloatDegreeLongitude ();
		float lat = p.getFloatDegreeLatitude ();

		if (p.getLongOrientChar () == 'W')
        		lon = 0 - lon;

		if (p.getLatOrientChar () == 'N')
        		lat = 0 - lat;

		Element c = d.createElement ("gml:coord");

		Element x = d.createElement ("X");
		Text t = d.createTextNode (Float.toString (lon));
		x.appendChild (t);

		Element y = d.createElement ("Y");
		t = d.createTextNode (Float.toString (lat));
		y.appendChild (t);

		c.appendChild (x);
		c.appendChild (y);

		e.appendChild (c);
	
		return c;
	}

	public static String printDoc ()
	{
		String n = "";

		n = walk (d);

		return n;
	}

	private static Element newGMLPoint (double lon, double lat, String n)
	{
		Element e = d.createElement ("gml:Point");

		Element ename = d.createElement ("gml:name");
		Text t = d.createTextNode (n);
		ename.appendChild (t);

		e.appendChild (ename);

		Element epos = d.createElement ("gml:coord");

		Element ex = d.createElement ("X");
		t = d.createTextNode (Double.toString (lon));
		ex.appendChild (t);

		Element ey = d.createElement ("Y");
		t = d.createTextNode (Double.toString (lat));
		ey.appendChild (t);

		epos.appendChild (ex);
		epos.appendChild (ey);

		e.appendChild (epos);
		
		return e;
	}

    	private static String walk (Node node)
    	{
		String n = "";

		if (node == null)
			return n;

        	int type = node.getNodeType();

        	switch(type)
        	{
            		case Node.DOCUMENT_NODE:
            		{
				n = n + "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
              
				break;                  
			}

            		case Node.ELEMENT_NODE:
            		{
                		n = n + "<" + node.getNodeName();
		
                		NamedNodeMap nnm = node.getAttributes();
                
				if (nnm != null )
                		{
                    			int len = nnm.getLength() ;
                    			Attr attr;

                    			for ( int i = 0; i < len; i++ )
                    			{
                        			attr = (Attr)nnm.item(i);
						n = n + " " + attr.getNodeName() + "=\"" + attr.getNodeValue() + "\"";
                    			}
                		}

				n = n + ">";
                
                		break;
            		}

            		case Node.ENTITY_REFERENCE_NODE:
            		{
				n = n + "&" + node.getNodeName() + ";";

		               	break;
            		}

            		case Node.CDATA_SECTION_NODE:
            		{
				n = n + "<![CDATA[" + node.getNodeValue() + "]]>";
                     
				break;       
                
            		}

            		case Node.TEXT_NODE:
            		{
				n = n + node.getNodeValue();
                
				break;
            		}

            		case Node.PROCESSING_INSTRUCTION_NODE:
            		{
				n = n + "<?" + node.getNodeName();

                		String data = node.getNodeValue();
                
				if (data != null && data.length() > 0 ) 
				{
					n = n + " " + data;
				}

				n = n + "?>";
                
				break;
			}
        
		}
        
        	for (Node child = node.getFirstChild (); child != null; child = child.getNextSibling ())
        	{
            		n = n + walk (child);
        	}
        
        	if (type == Node.ELEMENT_NODE )
        	{
			n = n + "</" + node.getNodeName() + ">\n";
        	}

		return n;
    	}

	private static void addWaypointToSVG (float x, float y, String n)
	{
		if (svgDoc == null)
			svgDoc = GarminConfiguration.getSVGDoc ();

		Element r = svgDoc.getRootElement ();

		Element e = svgDoc.createElement ("circle");

		e.setAttribute ("style", "fill:blue;stroke:red;");
		e.setAttribute ("cx", Float.toString (x));
		e.setAttribute ("cy", Float.toString (y));
		e.setAttribute ("r", "10");

		r.appendChild (e);
	}

	public static String updateSVGFile (String fname)
	{
		try
		{
			String tmp = GarminConfiguration.getTmpFile ();

			if (tmp == null)
				tmp = fname;
		
			File f = new File (tmp);

			if (f.exists () && !(fname.startsWith ("jar")))
				f.delete ();

			Date d = new Date ();

			int hc = d.hashCode ();
		
			if (hc < 0)
				hc = 0 - hc;

			fname = System.getProperty ("user.dir") + System.getProperty ("file.separator") + Integer.toString (hc) + ".svg";

			File ftmp = new File (fname);

        		ftmp.createNewFile ();

			GarminConfiguration.setTmpFile (fname);

        		PrintWriter fout = new PrintWriter (new FileOutputStream (ftmp));
			
			URL url = new URL("jar:file:net.aetherial.gis.garmin.jar!/net/aetherial/gis/garmin/defaultMap.svg");
 			JarURLConnection jarConnection = (JarURLConnection)url.openConnection();

			BufferedReader bin = new BufferedReader(new InputStreamReader (jarConnection.getInputStream ()));

			String line = null;

			for (line = bin.readLine (); !(line.startsWith ("</svg>")) && line != null; line = bin.readLine ())
			{
				fout.println (line);
			}

			NodeList nl = root.getElementsByTagName ("waypoint");

			for (int i = 0; i < nl.getLength (); i++)
			{
				Element e = (Element) nl.item (i);

				String name = "no name";
				String x = "0";
				String y = "0";

				NodeList nln = e.getElementsByTagName ("gml:name");

				for (int j = 0; nln != null && j < nln.getLength (); j++)
				{
					if (nln.item (j) != null)
					{
						NodeList nlc = nln.item (j).getChildNodes ();

						name = nlc.item (0).getNodeValue ();
					}
				}

                                nln = e.getElementsByTagName ("X");

                                for (int j = 0; nln != null && j < nln.getLength (); j++)
                                {
					if (nln.item (j) != null)
					{
                                        	NodeList nlc = nln.item (j).getChildNodes ();

                                        	x = nlc.item (0).getNodeValue ();
					}
                                }

                                nln = e.getElementsByTagName ("Y");

                                for (int j = 0; nln != null && j < nln.getLength (); j++)
                                {
					if (nln.item (j) != null)
					{
                                        	NodeList nlc = nln.item (j).getChildNodes ();

                                        	y = nlc.item (0).getNodeValue ();
					}
                                }

				fout.println ("<circle style=\"fill:gray;stroke:none;opacity:0.25\" cx=\"" + x + "\" cy=\"" + y + "\" r=\"1\"/>");
				fout.println ("<circle style=\"fill:black;stroke:none;opacity:1.0\" cx=\"" + x + "\" cy=\"" + y + "\" r=\"0.001\"/>");
				x = Double.toString (Double.parseDouble (x) + 0.0015);
				y = Double.toString (Double.parseDouble (y) + 0.0015);

				fout.println ("<text x=\"" + x  + "\" y=\"" + y + "\" style=\"font-size:0.01px;font-family:san-serif;\">" + name + "</text>");
			}

			nl = root.getElementsByTagName ("track");

			for (int i = 0; i < nl.getLength (); i++)
			{
				Element e = (Element) nl.item (i);

				String name = "no name";
			
				String path = "M ";

				NodeList nln = e.getElementsByTagName ("gml:name");

				for (int j = 0; nln != null && j < nln.getLength (); j++)
				{
        				if (nln.item (j) != null)
        				{
                				NodeList nlc = nln.item (j).getChildNodes ();

                				name = nlc.item (0).getNodeValue ();
        				}
				}

				nln = e.getElementsByTagName ("gml:coord");
				
				String text = "";
				for (int j = 0; nln != null && j < nln.getLength (); j++)
				{
					String x = "0";
					String y = "0";

					NodeList nln2 = ((Element) nln.item (j)).getElementsByTagName ("X");

					for (int k = 0; nln2 != null && k < nln2.getLength (); k++)
					{
        					if (nln2.item (k) != null)
        					{
                					NodeList nlc = nln2.item (k).getChildNodes ();

                					x = nlc.item (0).getNodeValue ();
        					}
					}

                                        nln2 = ((Element) nln.item (j)).getElementsByTagName ("Y");

                                        for (int k = 0; nln2 != null && k < nln2.getLength (); k++)
                                        {
                                                if (nln2.item (k) != null)
                                                {
                                                        NodeList nlc = nln2.item (k).getChildNodes ();

                                                        y = nlc.item (0).getNodeValue ();
                                                }
                                        }
				
					if (j != (nln.getLength () - 1))
						path = path + x + " " + y + " L ";
					else
						path = path + x + " " + y;

					if (j == 0)
					{
						fout.println ("<circle style=\"fill:gray;stroke:none;opacity:0.25\" cx=\"" + x + "\" cy=\"" + y + "\" r=\"2\"/>");
				 		text = "<text x=\"" + x + "\" y=\"" + y + "\" style=\"font-size:0.25;font-family:san-serif;\">" + name + "</text>";
					}
				
				}


				fout.println ("<path d=\"" + path + "\"/>");
				fout.println (text);
			}


			fout.println ("</svg>");

        		fout.close ();
			bin.close ();

			fname = "file:///" + System.getProperty ("user.dir") + System.getProperty ("file.separator") + Integer.toString (hc) + ".svg";
		}
		catch (IOException ex)
		{
			System.out.println (ex);

		}

		return fname;
	}
}