public static int getNumberOfFilesToWriteFor(
BaseRoute route, NavigationFormat format, boolean duplicateFirstPosition) {
return ceiling(
route.getPositionCount() + (duplicateFirstPosition ? 1 : 0),
format.getMaximumPositionCount(),
true);
}
@SuppressWarnings("unchecked")
private void write(
BaseRoute route,
NavigationFormat format,
boolean duplicateFirstPosition,
boolean ignoreMaximumPositionCount,
ParserCallback parserCallback,
OutputStream... targets)
throws IOException {
log.info(
"Writing '"
+ format.getName()
+ "' position lists with 1 route and "
+ route.getPositionCount()
+ " positions");
BaseRoute routeToWrite = asFormat(route, format);
commentRoute(routeToWrite);
preprocessRoute(routeToWrite, format, duplicateFirstPosition, parserCallback);
int positionsToWrite = routeToWrite.getPositionCount();
int writeInOneChunk = format.getMaximumPositionCount();
// check if the positions to write fit within the given files
if (positionsToWrite > targets.length * writeInOneChunk) {
if (ignoreMaximumPositionCount) writeInOneChunk = positionsToWrite;
else
throw new IOException(
"Found "
+ positionsToWrite
+ " positions, "
+ format.getName()
+ " format may only contain "
+ writeInOneChunk
+ " positions in one position list.");
}
int startIndex = 0;
for (int i = 0; i < targets.length; i++) {
OutputStream target = targets[i];
int endIndex = min(startIndex + writeInOneChunk, positionsToWrite);
renameRoute(route, routeToWrite, startIndex, endIndex, i, targets);
format.write(routeToWrite, target, startIndex, endIndex);
log.info("Wrote position list from " + startIndex + " to " + endIndex);
startIndex += writeInOneChunk;
}
postProcessRoute(routeToWrite, format, duplicateFirstPosition);
}
