838 lines
29 KiB
Java
838 lines
29 KiB
Java
package btools.routingapp;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.FileReader;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.StringTokenizer;
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import java.util.TreeMap;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipInputStream;
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import android.app.Activity;
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import android.content.Context;
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import android.content.res.AssetManager;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.os.Environment;
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import android.util.DisplayMetrics;
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import android.view.View;
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import android.widget.Toast;
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import btools.expressions.BExpressionContext;
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import btools.expressions.BExpressionMetaData;
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import btools.mapaccess.OsmNode;
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import btools.router.OsmNodeNamed;
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import btools.router.OsmTrack;
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import btools.router.RoutingContext;
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import btools.router.RoutingEngine;
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import btools.router.RoutingHelper;
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public class BRouterView extends View
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{
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RoutingEngine cr;
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private int imgw;
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private int imgh;
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private int centerLon;
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private int centerLat;
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private double scaleLon;
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private double scaleLat;
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private List<OsmNodeNamed> wpList;
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private List<OsmNodeNamed> nogoList;
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private List<OsmNodeNamed> nogoVetoList;
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private OsmTrack rawTrack;
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private String modesDir;
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private String tracksDir;
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private String segmentDir;
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private String profileDir;
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private String profilePath;
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private String profileName;
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private String sourceHint;
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private boolean waitingForSelection = false;
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private boolean needsViaSelection;
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private boolean needsNogoSelection;
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private boolean needsWaypointSelection;
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private long lastDataTime = System.currentTimeMillis();
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private CoordinateReader cor;
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private int[] imgPixels;
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public void startSimulation() {
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}
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public void stopSimulation() {
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if ( cr != null ) cr.terminate();
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}
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public BRouterView(Context context) {
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super(context);
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}
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public void init()
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{
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DisplayMetrics metrics = new DisplayMetrics();
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((Activity)getContext()).getWindowManager().getDefaultDisplay().getMetrics(metrics);
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imgw = metrics.widthPixels;
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imgh = metrics.heightPixels;
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// get base dir from private file
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String baseDir = ConfigHelper.getBaseDir( getContext() );
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// check if valid
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boolean bdValid = false;
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if ( baseDir != null )
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{
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File bd = new File( baseDir );
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bdValid = bd.isDirectory();
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File brd = new File( bd, "brouter" );
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if ( brd.isDirectory() )
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{
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startSetup( baseDir, false );
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return;
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}
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}
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String message = baseDir == null ?
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"(no basedir configured previously)" :
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"(previous basedir " + baseDir +
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( bdValid ? " does not contain 'brouter' subfolder)"
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: " is not valid)" );
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((BRouterActivity)getContext()).selectBasedir( getStorageDirectories(), guessBaseDir(), message );
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waitingForSelection = true;
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}
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public void startSetup( String baseDir, boolean storeBasedir )
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{
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cor = null;
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try
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{
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File fbd = new File( baseDir );
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if ( !fbd.isDirectory() )
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{
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throw new IllegalArgumentException( "Base-directory " + baseDir + " is not a directory " );
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}
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if ( storeBasedir )
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{
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// Android 4.4 patch: try extend the basedir if not valid
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File td = new File( fbd, "brouter" );
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try { td.mkdir(); } catch ( Exception e ) {};
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if ( !td.isDirectory() )
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{
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File td1 = new File( fbd, "Android/data/btools/routingapp" );
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try { td1.mkdirs(); } catch ( Exception e ) {};
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td = new File( td1, "brouter" );
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try { td.mkdir(); } catch ( Exception e ) {};
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if ( td.isDirectory() ) fbd = td1;
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}
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ConfigHelper.writeBaseDir( getContext(), baseDir );
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}
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String basedir = fbd.getAbsolutePath();
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AppLogger.log( "using basedir: " + basedir );
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// create missing directories
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assertDirectoryExists( "project directory", basedir + "/brouter", null );
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segmentDir = basedir + "/brouter/segments3";
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assertDirectoryExists( "data directory", segmentDir, "segments3.zip" );
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assertDirectoryExists( "carsubset directory", segmentDir + "/carsubset", null );
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profileDir = basedir + "/brouter/profiles2";
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assertDirectoryExists( "profile directory", profileDir, "profiles2.zip" );
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modesDir = basedir + "/brouter/modes";
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assertDirectoryExists( "modes directory", modesDir, "modes.zip" );
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assertDirectoryExists( "readmes directory", basedir + "/brouter/readmes", "readmes.zip" );
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cor = CoordinateReader.obtainValidReader( basedir, segmentDir );
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wpList = cor.waypoints;
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nogoList = cor.nogopoints;
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nogoVetoList = new ArrayList<OsmNodeNamed>();
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sourceHint = "(coordinate-source: " + cor.basedir + cor.rootdir + ")";
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needsViaSelection = wpList.size() > 2;
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needsNogoSelection = nogoList.size() > 0;
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needsWaypointSelection = wpList.size() == 0;
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if ( cor.tracksdir != null )
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{
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tracksDir = cor.basedir + cor.tracksdir;
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assertDirectoryExists( "track directory", tracksDir, null );
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// output redirect: look for a pointerfile in tracksdir
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File tracksDirPointer = new File( tracksDir + "/brouter.redirect" );
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if ( tracksDirPointer.isFile() )
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{
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tracksDir = readSingleLineFile( tracksDirPointer );
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if ( tracksDir == null ) throw new IllegalArgumentException( "redirect pointer file is empty: " + tracksDirPointer );
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if ( !(new File( tracksDir ).isDirectory()) ) throw new IllegalArgumentException(
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"redirect pointer file " + tracksDirPointer + " does not point to a directory: " + tracksDir );
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}
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}
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String[] fileNames = new File( profileDir ).list();
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ArrayList<String> profiles = new ArrayList<String>();
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boolean lookupsFound = false;
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for( String fileName : fileNames )
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{
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if ( fileName.endsWith( ".brf" ) )
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{
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profiles.add( fileName.substring( 0, fileName.length()-4 ) );
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}
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if ( fileName.equals( "lookups.dat" ) ) lookupsFound = true;
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}
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if ( !lookupsFound )
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{
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throw new IllegalArgumentException( "The profile-directory " + profileDir
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+ " does not contain the lookups.dat file."
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+ " see www.dr-brenschede.de/brouter for setup instructions." );
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}
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if ( profiles.size() == 0 )
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{
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throw new IllegalArgumentException( "The profile-directory " + profileDir
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+ " contains no routing profiles (*.brf)."
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+ " see www.dr-brenschede.de/brouter for setup instructions." );
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}
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if ( !RoutingHelper.hasDirectoryAnyDatafiles( segmentDir ) )
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{
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((BRouterActivity)getContext()).startDownloadManager();
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waitingForSelection = true;
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return;
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}
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((BRouterActivity)getContext()).selectProfile( profiles.toArray( new String[0]) );
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}
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catch( Exception e )
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{
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String msg = e instanceof IllegalArgumentException
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? e.getMessage() + ( cor == null ? "" : " (coordinate-source: " + cor.basedir + cor.rootdir + ")" )
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: e.toString();
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AppLogger.log( msg );
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AppLogger.log( AppLogger.formatThrowable( e ) );
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((BRouterActivity)getContext()).showErrorMessage( msg );
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}
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waitingForSelection = true;
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}
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public boolean hasUpToDateLookups()
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{
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BExpressionMetaData meta = new BExpressionMetaData();
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meta.readMetaData( new File( profileDir, "lookups.dat" ) );
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return meta.lookupVersion == 10;
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}
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public void continueProcessing()
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{
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waitingForSelection = false;
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invalidate();
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}
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public void updateViaList( Set<String> selectedVias )
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{
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ArrayList<OsmNodeNamed> filtered = new ArrayList<OsmNodeNamed>(wpList.size());
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for( OsmNodeNamed n : wpList )
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{
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String name = n.name;
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if ( "from".equals( name ) || "to".equals(name) || selectedVias.contains( name ) )
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filtered.add( n );
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}
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wpList = filtered;
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}
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public void updateNogoList( boolean[] enabled )
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{
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for( int i=nogoList.size()-1; i >= 0; i-- )
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{
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if ( !enabled[i] )
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{
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nogoVetoList.add( nogoList.get(i) );
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nogoList.remove( i );
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}
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}
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}
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public void pickWaypoints()
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{
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String msg = null;
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Map<String,OsmNodeNamed> allpoints = cor.allpoints;
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if ( allpoints == null )
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{
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allpoints = new TreeMap<String,OsmNodeNamed>();
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cor.allpoints = allpoints;
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try { cor.readFromTo(); } catch ( Exception e ) { msg = "Error reading waypoints: " + e.toString(); }
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if ( allpoints.size() < 2 ) msg = "coordinate source does not contain enough waypoints: " + allpoints.size();
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if ( allpoints.size() > 100 ) msg = "coordinate source contains too much waypoints: " + allpoints.size() + "(please use from/to/via names)";
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}
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if ( allpoints.size() < 1 ) msg = "no more wayoints available!";
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if ( msg != null )
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{
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((BRouterActivity)getContext()).showErrorMessage( msg );
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}
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else
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{
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String[] wpts = new String[allpoints.size()];
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int i = 0;
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for( OsmNodeNamed wp : allpoints.values() ) wpts[i++] = wp.name;
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((BRouterActivity)getContext()).selectWaypoint( wpts );
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}
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}
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public void updateWaypointList( String waypoint )
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{
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wpList.add( cor.allpoints.get( waypoint ) );
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cor.allpoints.remove( waypoint );
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}
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public void finishWaypointSelection()
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{
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needsWaypointSelection = false;
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}
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public void startProcessing( String profile )
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{
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profilePath = profileDir + "/" + profile + ".brf";
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profileName = profile;
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if ( needsViaSelection )
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{
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needsViaSelection = false;
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String[] availableVias = new String[wpList.size()-2];
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for( int viaidx=0; viaidx<wpList.size()-2; viaidx++ )
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availableVias[viaidx] = wpList.get( viaidx+1 ).name;
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((BRouterActivity)getContext()).selectVias( availableVias );
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return;
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}
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if ( needsNogoSelection )
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{
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needsNogoSelection = false;
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((BRouterActivity)getContext()).selectNogos( nogoList );
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return;
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}
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if ( needsWaypointSelection )
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{
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String msg;
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if ( wpList.size() == 0 )
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{
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msg = "no from/to found\n" + sourceHint;
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}
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else
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{
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msg = "current waypoint selection:\n";
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for ( int i=0; i< wpList.size(); i++ ) msg += (i>0?"->" : "") + wpList.get(i).name;
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}
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((BRouterActivity)getContext()).showResultMessage( "Select Action", msg, wpList.size() );
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return;
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}
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try
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{
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waitingForSelection = false;
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RoutingContext rc = new RoutingContext();
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// TODO: TEST!
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// rc.rawTrackPath = "/mnt/sdcard/brouter/modes/bicycle_fast_rawtrack.dat";
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rc.localFunction = profilePath;
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int plain_distance = 0;
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int maxlon = Integer.MIN_VALUE;
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int minlon = Integer.MAX_VALUE;
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int maxlat = Integer.MIN_VALUE;
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int minlat = Integer.MAX_VALUE;
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OsmNode prev = null;
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for( OsmNode n : wpList )
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{
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maxlon = n.ilon > maxlon ? n.ilon : maxlon;
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minlon = n.ilon < minlon ? n.ilon : minlon;
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maxlat = n.ilat > maxlat ? n.ilat : maxlat;
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minlat = n.ilat < minlat ? n.ilat : minlat;
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if ( prev != null )
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{
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plain_distance += n.calcDistance( prev );
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}
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prev = n;
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}
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toast( "Plain distance = " + plain_distance/1000. + " km" );
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centerLon = (maxlon + minlon)/2;
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centerLat = (maxlat + minlat)/2;
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double coslat = Math.cos( ((centerLat / 1000000.) - 90.) / 57.3 ) ;
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double difflon = maxlon - minlon;
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double difflat = maxlat - minlat;
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scaleLon = imgw / (difflon*1.5);
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scaleLat = imgh / (difflat*1.5);
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if ( scaleLon < scaleLat*coslat ) scaleLat = scaleLon/coslat;
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else scaleLon = scaleLat*coslat;
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startTime = System.currentTimeMillis();
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rc.prepareNogoPoints( nogoList );
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rc.nogopoints = nogoList;
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cr = new RoutingEngine( tracksDir + "/brouter", null, segmentDir, wpList, rc );
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cr.start();
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invalidate();
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}
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catch( Exception e )
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{
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String msg = e instanceof IllegalArgumentException ? e.getMessage() : e.toString();
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toast( msg );
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}
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}
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private void assertDirectoryExists( String message, String path, String assetZip )
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{
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File f = new File( path );
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if ( !f.exists() )
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{
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f.mkdirs();
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// default contents from assets archive
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if ( assetZip != null )
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{
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try
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{
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AssetManager assetManager = getContext().getAssets();
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InputStream is = assetManager.open( assetZip );
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ZipInputStream zis = new ZipInputStream( is );
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byte[] data = new byte[1024];
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for(;;)
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{
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ZipEntry ze = zis.getNextEntry();
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if ( ze == null ) break;
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String name = ze.getName();
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FileOutputStream fos = new FileOutputStream( new File( f, name ) );
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for(;;)
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{
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int len = zis.read( data, 0, 1024 );
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if ( len < 0 ) break;
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fos.write( data, 0, len );
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}
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fos.close();
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}
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is.close();
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}
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catch( IOException io )
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{
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throw new RuntimeException( "error expanding " + assetZip + ": " + io );
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}
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}
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}
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if ( !f.exists() || !f.isDirectory() ) throw new IllegalArgumentException( message + ": " + path + " cannot be created" );
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}
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private void paintPosition( int ilon, int ilat, int color, int with )
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{
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int lon = ilon - centerLon;
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int lat = ilat - centerLat;
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int x = imgw/2 + (int)(scaleLon*lon);
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int y = imgh/2 - (int)(scaleLat*lat);
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for( int nx=x-with; nx<=x+with; nx++)
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for( int ny=y-with; ny<=y+with; ny++)
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{
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if ( nx >= 0 && nx < imgw && ny >= 0 && ny < imgh )
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{
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imgPixels[ nx+imgw*ny] = color;
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}
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}
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}
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private void paintCircle( Canvas canvas, OsmNodeNamed n, int color, int minradius )
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{
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int lon = n.ilon - centerLon;
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int lat = n.ilat - centerLat;
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int x = imgw/2 + (int)(scaleLon*lon);
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int y = imgh/2 - (int)(scaleLat*lat);
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int ir = (int)(n.radius * 1000000. * scaleLat);
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if ( ir > minradius )
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{
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Paint paint = new Paint();
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paint.setColor( Color.RED );
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paint.setStyle( Paint.Style.STROKE );
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canvas.drawCircle( (float)x, (float)y, (float)ir, paint );
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}
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}
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@Override
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protected void onSizeChanged(int w, int h, int oldw, int oldh) {
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}
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private void toast( String msg )
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{
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Toast.makeText(getContext(), msg, Toast.LENGTH_LONG ).show();
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lastDataTime += 4000; // give time for the toast before exiting
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}
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private long lastTs = System.currentTimeMillis();
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private long startTime = 0L;
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@Override
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protected void onDraw(Canvas canvas) {
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try
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{
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_onDraw( canvas );
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}
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catch( Throwable t )
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{
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// on out of mem, try to stop the show
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String hint = "";
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if ( cr != null ) hint = cr.cleanOnOOM();
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cr = null;
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try { Thread.sleep( 2000 ); } catch( InterruptedException ie ) {}
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((BRouterActivity)getContext()).showErrorMessage( t.toString() + hint );
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waitingForSelection = true;
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}
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}
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private void _onDraw(Canvas canvas) {
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if ( waitingForSelection ) return;
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long currentTs = System.currentTimeMillis();
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long diffTs = currentTs - lastTs;
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long sleeptime = 500 - diffTs;
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while ( sleeptime < 200 ) sleeptime += 500;
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try { Thread.sleep( sleeptime ); } catch ( InterruptedException ie ) {}
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lastTs = System.currentTimeMillis();
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if ( cr == null || cr.isFinished() )
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{
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if ( cr != null )
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{
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if ( cr.getErrorMessage() != null )
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{
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((BRouterActivity)getContext()).showErrorMessage( cr.getErrorMessage() );
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cr = null;
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waitingForSelection = true;
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return;
|
|
}
|
|
else
|
|
{
|
|
String result = "version = BRouter-1.0.2\n"
|
|
+ "distance = " + cr.getDistance()/1000. + " km\n"
|
|
+ "filtered ascend = " + cr.getAscend() + " m\n"
|
|
+ "plain ascend = " + cr.getPlainAscend();
|
|
|
|
rawTrack = cr.getFoundRawTrack();
|
|
|
|
String title = "Success";
|
|
if ( cr.getAlternativeIndex() > 0 ) title += " / " + cr.getAlternativeIndex() + ". Alternative";
|
|
|
|
((BRouterActivity)getContext()).showResultMessage( title, result, -1 );
|
|
cr = null;
|
|
waitingForSelection = true;
|
|
return;
|
|
}
|
|
}
|
|
else if ( System.currentTimeMillis() > lastDataTime )
|
|
{
|
|
System.exit(0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
lastDataTime = System.currentTimeMillis();
|
|
imgPixels = new int[imgw*imgh];
|
|
|
|
int[] openSet = cr.getOpenSet();
|
|
for( int si = 0; si < openSet.length; si += 2 )
|
|
{
|
|
paintPosition( openSet[si], openSet[si+1], 0xffffff, 1 );
|
|
}
|
|
// paint nogos on top (red)
|
|
for( int ngi=0; ngi<nogoList.size(); ngi++ )
|
|
{
|
|
OsmNodeNamed n = nogoList.get(ngi);
|
|
int color = 0xff0000;
|
|
paintPosition( n.ilon, n.ilat, color, 4 );
|
|
}
|
|
|
|
// paint start/end/vias on top (yellow/green/blue)
|
|
for( int wpi=0; wpi<wpList.size(); wpi++ )
|
|
{
|
|
OsmNodeNamed n = wpList.get(wpi);
|
|
int color = wpi == 0 ? 0xffff00 : wpi < wpList.size()-1 ? 0xff : 0xff00;
|
|
paintPosition( n.ilon, n.ilat, color, 4 );
|
|
}
|
|
|
|
canvas.drawBitmap(imgPixels, 0, imgw, (float)0., (float)0., imgw, imgh, false, null);
|
|
|
|
// nogo circles if any
|
|
for( int ngi=0; ngi<nogoList.size(); ngi++ )
|
|
{
|
|
OsmNodeNamed n = nogoList.get(ngi);
|
|
int color = 0xff0000;
|
|
paintCircle( canvas, n, color, 4 );
|
|
}
|
|
|
|
|
|
Paint paint = new Paint();
|
|
paint.setColor(Color.WHITE);
|
|
paint.setTextSize(20);
|
|
|
|
long mseconds = System.currentTimeMillis() - startTime;
|
|
long links = cr.getLinksProcessed();
|
|
long perS = (1000*links)/mseconds;
|
|
String msg = "Links: " + cr.getLinksProcessed() + " in " + (mseconds/1000) + "s (" + perS + " l/s)";
|
|
|
|
canvas.drawText( msg, 10, 25, paint);
|
|
}
|
|
// and make sure to redraw asap
|
|
invalidate();
|
|
}
|
|
|
|
private String guessBaseDir()
|
|
{
|
|
File basedir = Environment.getExternalStorageDirectory();
|
|
try
|
|
{
|
|
File bd2 = new File( basedir, "external_sd" );
|
|
ArrayList<String> basedirGuesses = new ArrayList<String>();
|
|
basedirGuesses.add( basedir.getAbsolutePath() );
|
|
|
|
if ( bd2.exists() )
|
|
{
|
|
basedir = bd2;
|
|
basedirGuesses.add( basedir.getAbsolutePath() );
|
|
}
|
|
|
|
ArrayList<CoordinateReader> rl = new ArrayList<CoordinateReader>();
|
|
for( String bdg : basedirGuesses )
|
|
{
|
|
rl.add( new CoordinateReaderOsmAnd(bdg) );
|
|
rl.add( new CoordinateReaderLocus(bdg) );
|
|
rl.add( new CoordinateReaderOrux(bdg) );
|
|
}
|
|
long tmax = 0;
|
|
CoordinateReader cor = null;
|
|
for( CoordinateReader r : rl )
|
|
{
|
|
long t = r.getTimeStamp();
|
|
if ( t > tmax )
|
|
{
|
|
tmax = t;
|
|
cor = r;
|
|
}
|
|
}
|
|
if ( cor != null )
|
|
{
|
|
return cor.basedir;
|
|
}
|
|
}
|
|
catch( Exception e )
|
|
{
|
|
System.out.println( "guessBaseDir:" + e );
|
|
}
|
|
return basedir.getAbsolutePath();
|
|
}
|
|
|
|
public void writeRawTrackToMode( String mode )
|
|
{
|
|
// plus eventually the raw track for re-use
|
|
String rawTrackPath = modesDir + "/" + mode + "_rawtrack.dat";
|
|
if ( rawTrack != null )
|
|
{
|
|
try
|
|
{
|
|
rawTrack.writeBinary( rawTrackPath );
|
|
}
|
|
catch( Exception e ) {}
|
|
}
|
|
else
|
|
{
|
|
new File( rawTrackPath ).delete();
|
|
}
|
|
}
|
|
|
|
public void startConfigureService()
|
|
{
|
|
String[] modes = new String[] {
|
|
"foot_short", "foot_fast",
|
|
"bicycle_short", "bicycle_fast",
|
|
"motorcar_short", "motorcar_fast"
|
|
};
|
|
boolean[] modesChecked = new boolean[6];
|
|
|
|
// parse global section of profile for mode preselection
|
|
BExpressionMetaData meta = new BExpressionMetaData();
|
|
BExpressionContext expctxGlobal = new BExpressionContext( "global", meta );
|
|
meta.readMetaData( new File( profileDir, "lookups.dat" ) );
|
|
expctxGlobal.parseFile( new File( profilePath ), null );
|
|
expctxGlobal.evaluate( new int[0] );
|
|
boolean isFoot = 0.f != expctxGlobal.getVariableValue( "validForFoot", 0.f );
|
|
boolean isBike = 0.f != expctxGlobal.getVariableValue( "validForBikes", 0.f );
|
|
boolean isCar = 0.f != expctxGlobal.getVariableValue( "validForCars", 0.f );
|
|
|
|
if ( isFoot || isBike || isCar )
|
|
{
|
|
modesChecked[ 0 ] = isFoot;
|
|
modesChecked[ 1 ] = isFoot;
|
|
modesChecked[ 2 ] = isBike;
|
|
modesChecked[ 3 ] = isBike;
|
|
modesChecked[ 4 ] = isCar;
|
|
modesChecked[ 5 ] = isCar;
|
|
}
|
|
else
|
|
{
|
|
for( int i=0; i<6; i++)
|
|
{
|
|
modesChecked[i] = true;
|
|
}
|
|
}
|
|
String msg = "Choose service-modes to configure (" + profileName + " [" + nogoVetoList.size() + "])";
|
|
|
|
((BRouterActivity)getContext()).selectRoutingModes( modes, modesChecked, msg );
|
|
}
|
|
|
|
public void configureService(String[] routingModes, boolean[] checkedModes)
|
|
{
|
|
// read in current config
|
|
TreeMap<String,ServiceModeConfig> map = new TreeMap<String,ServiceModeConfig>();
|
|
BufferedReader br = null;
|
|
String modesFile = modesDir + "/serviceconfig.dat";
|
|
try
|
|
{
|
|
br = new BufferedReader( new FileReader (modesFile ) );
|
|
for(;;)
|
|
{
|
|
String line = br.readLine();
|
|
if ( line == null ) break;
|
|
ServiceModeConfig smc = new ServiceModeConfig( line );
|
|
map.put( smc.mode, smc );
|
|
}
|
|
}
|
|
catch( Exception e ) {}
|
|
finally
|
|
{
|
|
if ( br != null ) try { br.close(); } catch( Exception ee ) {}
|
|
}
|
|
|
|
// replace selected modes
|
|
for( int i=0; i<6; i++)
|
|
{
|
|
if ( checkedModes[i] )
|
|
{
|
|
writeRawTrackToMode( routingModes[i] );
|
|
ServiceModeConfig smc = new ServiceModeConfig( routingModes[i], profileName);
|
|
for( OsmNodeNamed nogo : nogoVetoList)
|
|
{
|
|
smc.nogoVetos.add( nogo.ilon + "," + nogo.ilat );
|
|
}
|
|
map.put( smc.mode, smc );
|
|
}
|
|
}
|
|
|
|
|
|
// no write new config
|
|
BufferedWriter bw = null;
|
|
StringBuilder msg = new StringBuilder( "Mode mapping is now:\n" );
|
|
msg.append( "( [..] counts nogo-vetos)\n" );
|
|
try
|
|
{
|
|
bw = new BufferedWriter( new FileWriter ( modesFile ) );
|
|
for( ServiceModeConfig smc : map.values() )
|
|
{
|
|
bw.write( smc.toLine() );
|
|
bw.write( '\n' );
|
|
msg.append( smc.toString() ).append( '\n' );
|
|
}
|
|
}
|
|
catch( Exception e ) {}
|
|
finally
|
|
{
|
|
if ( bw != null ) try { bw.close(); } catch( Exception ee ) {}
|
|
}
|
|
((BRouterActivity)getContext()).showModeConfigOverview( msg.toString() );
|
|
}
|
|
|
|
private String readSingleLineFile( File f )
|
|
{
|
|
BufferedReader br = null;
|
|
try
|
|
{
|
|
br = new BufferedReader( new InputStreamReader ( new FileInputStream( f ) ) );
|
|
return br.readLine();
|
|
}
|
|
catch( Exception e ) { return null; }
|
|
finally
|
|
{
|
|
if ( br != null ) try { br.close(); } catch( Exception ee ) {}
|
|
}
|
|
}
|
|
|
|
|
|
private static List<String> getStorageDirectories()
|
|
{
|
|
ArrayList<String> res = new ArrayList<String>();
|
|
res.add( Environment.getExternalStorageDirectory().getPath() );
|
|
BufferedReader br = null;
|
|
try
|
|
{
|
|
br = new BufferedReader(new FileReader("/proc/mounts"));
|
|
for(;;)
|
|
{
|
|
String line = br.readLine();
|
|
if ( line == null ) break;
|
|
if (line.indexOf("vfat") < 0 && line.indexOf("/mnt") < 0 ) continue;
|
|
StringTokenizer tokens = new StringTokenizer(line, " ");
|
|
tokens.nextToken();
|
|
String d = tokens.nextToken();
|
|
boolean isExternalDir = false;
|
|
if ( line.contains( "/dev/block/vold" ) )
|
|
{
|
|
isExternalDir = true;
|
|
String[] vetos = new String[] { "/mnt/secure", "/mnt/asec", "/mnt/obb", "/dev/mapper", "tmpfs", "/mnt/media_rw" };
|
|
for( String v: vetos )
|
|
{
|
|
if ( d.indexOf( v ) >= 0 )
|
|
{
|
|
isExternalDir = false;
|
|
}
|
|
}
|
|
}
|
|
if ( isExternalDir )
|
|
{
|
|
if ( !res.contains( d ) )
|
|
{
|
|
res.add( d );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
catch ( Exception e) { /* ignore */ }
|
|
finally
|
|
{
|
|
if (br != null) { try { br.close(); } catch (Exception e) { /* ignore */ } }
|
|
}
|
|
return res;
|
|
}
|
|
|
|
}
|