111 lines
2.7 KiB
Java
111 lines
2.7 KiB
Java
package btools.routingapp;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.InputStreamReader;
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import btools.router.OsmNodeNamed;
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/**
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* Read coordinates from a gpx-file
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*/
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public class CoordinateReaderOsmAnd extends CoordinateReader
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{
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private String osmandDir;
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public CoordinateReaderOsmAnd( String basedir )
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{
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this( basedir, false );
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}
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public CoordinateReaderOsmAnd( String basedir, boolean shortPath )
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{
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super( basedir );
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if ( shortPath )
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{
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osmandDir = basedir;
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tracksdir = "/tracks";
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rootdir = "";
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}
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else
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{
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osmandDir = basedir + "/osmand";
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tracksdir = "/osmand/tracks";
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rootdir = "/osmand";
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}
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}
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@Override
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public long getTimeStamp() throws Exception
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{
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long t1 = new File( osmandDir + "/favourites_bak.gpx" ).lastModified();
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long t2 = new File( osmandDir + "/favourites.gpx" ).lastModified();
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return t1 > t2 ? t1 : t2;
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}
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@Override
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public int getTurnInstructionMode()
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{
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return 3; // osmand style
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}
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/*
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* read the from and to position from a gpx-file
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* (with hardcoded name for now)
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*/
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@Override
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public void readPointmap() throws Exception
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{
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try
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{
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_readPointmap( osmandDir + "/favourites_bak.gpx" );
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}
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catch( Exception e )
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{
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_readPointmap( osmandDir + "/favourites.gpx" );
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}
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}
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private void _readPointmap( String filename ) throws Exception
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{
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BufferedReader br = new BufferedReader(
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new InputStreamReader(
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new FileInputStream( filename ) ) );
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OsmNodeNamed n = null;
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for(;;)
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{
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String line = br.readLine();
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if ( line == null ) break;
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int idx0 = line.indexOf( "<wpt lat=\"" );
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int idx10 = line.indexOf( "<name>" );
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if ( idx0 >= 0 )
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{
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n = new OsmNodeNamed();
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idx0 += 10;
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int idx1 = line.indexOf( '"', idx0 );
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n.ilat = (int)( (Double.parseDouble( line.substring( idx0, idx1 ) ) + 90. )*1000000. + 0.5);
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int idx2 = line.indexOf( " lon=\"" );
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if ( idx2 < 0 ) continue;
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idx2 += 6;
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int idx3 = line.indexOf( '"', idx2 );
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n.ilon = (int)( ( Double.parseDouble( line.substring( idx2, idx3 ) ) + 180. )*1000000. + 0.5);
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continue;
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}
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if ( n != null && idx10 >= 0 )
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{
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idx10 += 6;
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int idx11 = line.indexOf( "</name>", idx10 );
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if ( idx11 >= 0 )
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{
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n.name = line.substring( idx10, idx11 ).trim();
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checkAddPoint( "(one-for-all)", n );
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}
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}
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}
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br.close();
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}
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}
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