/**
* Find if a GPS dst is valid
*
* @return
*/
public static boolean isGPSValid(String dst) {
if (dst.contains("&")) {
String tokens[] = dst.split("&");
try {
double lon = Double.parseDouble(tokens[1]);
double lat = Double.parseDouble(tokens[0]);
if ((Helper.isLatitudeSane(lat)) && (Helper.isLongitudeSane(lon))) {
return true;
}
} catch (Exception e) {
}
}
return false;
}
/**
* @param name
* @param type
*/
private void parseGps(String name, String type) {
/*
* GPS
* GPS coordinates are either x&y (user), or addr@x&y (google maps)
* get the x&y part, then parse them to lon=y lat=x
*/
if (name.contains("&")) {
String token[] = new String[2];
token[1] = token[0] = name;
if (name.contains("@")) {
/*
* This could be the geo point from maps
*/
token = name.split("@");
}
/*
* This is lon/lat destination
*/
String tokens[] = token[1].split("&");
try {
mLond = Double.parseDouble(tokens[1]);
mLatd = Double.parseDouble(tokens[0]);
} catch (Exception e) {
/*
* Bad input from user on GPS
*/
mName = "";
mDestType = "";
return;
}
/*
* Sane input
*/
if ((!Helper.isLatitudeSane(mLatd)) || (!Helper.isLongitudeSane(mLond))) {
mName = "";
mDestType = "";
return;
}
mName = token[0];
mDestType = type;
}
}
/* (non-Javadoc)
* @see android.os.AsyncTask#doInBackground(Params[])
*/
@Override
protected Boolean doInBackground(Object... vals) {
Thread.currentThread().setName("Destination");
Boolean guess = (Boolean) vals[0];
String dbType = (String) vals[1];
/*
* If we dont know type, find with a guess.
*/
if (guess) {
StringPreference s = mService.getDBResource().searchOne(mName);
if (null == s) {
return false;
}
mDestType = s.getType();
mName = s.getId();
}
/*
* If GPS/Maps, parse
*/
if (mName.contains("&")) {
parseGps(mName, mDestType);
}
mWinds = mService.getDBResource().getWindsAloft(mLond, mLatd);
if (mDestType.equals(UDW)) {
Waypoint p = mService.getUDWMgr().get(mName);
if (null != p) {
mLatd = p.getLat();
mLond = p.getLon();
mCmt = p.getCmt();
mParams.put(DataBaseHelper.LONGITUDE, "" + mLond);
mParams.put(DataBaseHelper.LATITUDE, "" + mLatd);
mParams.put(DataBaseHelper.FACILITY_NAME, UDWMgr.UDWDESCRIPTION);
addTime();
mAfdFound = null;
mFound = true;
mLooking = false;
mDbType = UDW;
mTrackShape.updateShape(new GpsParams(getLocationInit()), Destination.this);
return true;
}
return false;
}
if (mDestType.equals(GPS)) {
/*
* For GPS coordinates, simply put parsed lon/lat in params
* No need to query database
*/
mParams = new LinkedHashMap<String, String>();
mFreq = new LinkedHashMap<String, String>();
mAwos = new LinkedList<Awos>();
mParams.put(DataBaseHelper.LONGITUDE, "" + mLond);
mParams.put(DataBaseHelper.LATITUDE, "" + mLatd);
mParams.put(DataBaseHelper.FACILITY_NAME, GPS);
addTime();
mAfdFound = null;
mFound = true;
mLooking = false;
mDbType = GPS;
mTrackShape.updateShape(new GpsParams(getLocationInit()), Destination.this);
if (!isGPSValid(mName)) {
mFound = false;
}
if (!mName.contains("&")) {
/*
* This comes from MAPS to GPS for user edited
*/
mName += "@" + mLatd + "&" + mLond;
}
return true;
}
if (null == mDataSource) {
return false;
}
/*
* For Google maps address, if we have already geo decoded it using internet,
* then no need to do again because internet may not be available on flight.
* It could be coming from storage and not google maps.
*/
if (mDestType.equals(MAPS)) {
if (mLond == 0 && mLatd == 0) {
/*
* We have already decomposed it?
* No.
*/
String strAddress = mName;
Geocoder coder = new Geocoder(mService);
Address location = null;
/*
* Decompose
*/
try {
List<Address> address = coder.getFromLocationName(strAddress, 1);
if (address != null) {
location = address.get(0);
}
} catch (Exception e) {
return false;
}
if (null == location) {
return false;
}
/*
* Decomposed it
*
*/
try {
mLond = Helper.truncGeo(location.getLongitude());
mLatd = Helper.truncGeo(location.getLatitude());
} catch (Exception e) {
}
if ((!Helper.isLatitudeSane(mLatd)) || (!Helper.isLongitudeSane(mLond))) {
return false;
}
}
/*
* Common stuff
*/
mParams = new LinkedHashMap<String, String>();
mFreq = new LinkedHashMap<String, String>();
mAwos = new LinkedList<Awos>();
mAfdFound = null;
mDbType = mDestType;
mParams.put(DataBaseHelper.TYPE, mDestType);
mParams.put(DataBaseHelper.FACILITY_NAME, mName);
mParams.put(DataBaseHelper.LONGITUDE, "" + mLond);
mParams.put(DataBaseHelper.LATITUDE, "" + mLatd);
addTime();
mName += "@" + mLatd + "&" + mLond;
return true;
}
/*
* For all others, find in DB
*/
mDataSource.findDestination(mName, mDestType, dbType, mParams, mRunways, mFreq, mAwos);
if (mDestType.equals(BASE)) {
/*
* Find A/FD
*/
mAfdFound = null;
final LinkedList<String> afdName = mDataSource.findAFD(mName);
if (afdName.size() > 0) {
FilenameFilter filter =
new FilenameFilter() {
public boolean accept(File directory, String fileName) {
boolean match = false;
for (final String name : afdName) {
match |=
fileName.matches(name + Preferences.IMAGE_EXTENSION)
|| fileName.matches(name + "-[0-9]+" + Preferences.IMAGE_EXTENSION);
}
return match;
}
};
String afd[] = null;
afd = new File(mPref.mapsFolder() + "/afd/").list(filter);
if (null != afd) {
java.util.Arrays.sort(afd);
int len1 = afd.length;
String tmp1[] = new String[len1];
for (int count = 0; count < len1; count++) {
/*
* Add A/FD
*/
String tokens[] = afd[count].split(Preferences.IMAGE_EXTENSION);
tmp1[count] = mPref.mapsFolder() + "/afd/" + tokens[0];
}
if (len1 > 0) {
mAfdFound = tmp1;
}
}
}
}
return (!mParams.isEmpty());
}