+
+ static String replace_extension(String input, String extension) {
+ int dot = input.lastIndexOf(".");
+ if (dot > 0)
+ input = input.substring(0,dot);
+ return input.concat(extension);
+ }
+
+ static AltosReader open_logfile(String filename) {
+ File file = new File (filename);
+ try {
+ FileInputStream in;
+
+ in = new FileInputStream(file);
+ if (filename.endsWith("eeprom"))
+ return new AltosEepromReader(in);
+ else
+ return new AltosTelemetryReader(in);
+ } catch (FileNotFoundException fe) {
+ System.out.printf("Cannot open '%s'\n", filename);
+ return null;
+ }
+ }
+
+ static AltosCSV open_csv(String filename) {
+ File file = new File (filename);
+ try {
+ return new AltosCSV(file);
+ } catch (FileNotFoundException fe) {
+ System.out.printf("Cannot open '%s'\n", filename);
+ return null;
+ }
+ }
+
+ static void process_file(String input) {
+ String output = replace_extension(input,".csv");
+ if (input.equals(output)) {
+ System.out.printf("Not processing '%s'\n", input);
+ return;
+ }
+ System.out.printf("Processing \"%s\" to \"%s\"\n", input, output);
+ AltosReader reader = open_logfile(input);
+ if (reader == null)
+ return;
+ AltosCSV writer = open_csv(output);
+ if (writer == null)
+ return;
+ writer.write(reader);
+ reader.close();
+ writer.close();
+ }
+