private void readWorldFiles(Object source, AVList params) throws java.io.IOException {
if (!(source instanceof java.io.File)) {
String message = Logging.getMessage("DataRaster.CannotRead", source);
Logging.logger().severe(message);
throw new java.io.IOException(message);
}
java.io.File[] worldFiles = WorldFile.getWorldFiles((java.io.File) source);
WorldFile.decodeWorldFiles(worldFiles, params);
// Translate the property WORLD_FILE_IMAGE_SIZE to separate properties WIDTH and HEIGHT.
Object o = params.getValue(WorldFile.WORLD_FILE_IMAGE_SIZE);
if (o != null && o instanceof int[]) {
int[] size = (int[]) o;
params.setValue(AVKey.WIDTH, size[0]);
params.setValue(AVKey.HEIGHT, size[1]);
}
}
private boolean canReadWorldFiles(Object source) {
if (!(source instanceof java.io.File)) return false;
try {
java.io.File[] worldFiles = WorldFile.getWorldFiles((java.io.File) source);
if (worldFiles == null || worldFiles.length == 0) return false;
} catch (java.io.IOException e) {
// Not interested in logging the exception, we only want to report the failure to read.
return false;
}
return true;
}