/**
* Parses the hemisphere of latitude from specified field.
*
* @param index Index of field that contains the latitude hemisphere value.
* @return Hemisphere of latitude
*/
protected CompassPoint parseHemisphereLat(int index) {
char ch = getCharValue(index);
CompassPoint d = CompassPoint.valueOf(ch);
if (d != CompassPoint.NORTH && d != CompassPoint.SOUTH) {
throw new ParseException("Invalid latitude hemisphere '" + ch + "'");
}
return d;
}
/**
* Parses the hemisphere of longitude from the specified field.
*
* @param index Field index for longitude hemisphere indicator
* @return Hemisphere of longitude
*/
protected CompassPoint parseHemisphereLon(int index) {
char ch = getCharValue(index);
CompassPoint d = CompassPoint.valueOf(ch);
if (d != CompassPoint.EAST && d != CompassPoint.WEST) {
throw new ParseException("Invalid longitude hemisphere " + ch + "'");
}
return d;
}
/**
* Set the hemisphere of latitude in specified field.
*
* @param field Field index
* @param hem Direction.NORTH or Direction.SOUTH
* @throws IllegalArgumentException If specified Direction is other than NORTH or SOUTH.
*/
protected void setLatHemisphere(int field, CompassPoint hem) {
if (hem != CompassPoint.NORTH && hem != CompassPoint.SOUTH) {
throw new IllegalArgumentException("Invalid latitude hemisphere: " + hem);
}
setCharValue(field, hem.toChar());
}
/**
* Set the hemisphere of longitude in specified field.
*
* @param field Field index
* @param hem Direction.EAST or Direction.WEST
* @throws IllegalArgumentException If specified Direction is other than EAST or WEST.
*/
protected void setLonHemisphere(int field, CompassPoint hem) {
if (hem != CompassPoint.EAST && hem != CompassPoint.WEST) {
throw new IllegalArgumentException("Invalid longitude hemisphere: " + hem);
}
setCharValue(field, hem.toChar());
}