altoslib: Create data file open helper in AltosLib

[fw/altos] / altoslib / AltosLib.java

diff --git a/altoslib/AltosLib.java b/altoslib/AltosLib.java
index 2137d1d7188469ed059bed9269375f85e0aa68ee..6c1729dfc03a32a51f64f3d8fbf2eabf092ec652 100644 (file)
--- a/altoslib/AltosLib.java
+++ b/altoslib/AltosLib.java
@@ -38,6 +38,20 @@ public class AltosLib {
        public static final int AO_LOG_GPS_DATE = 'Y';
        public static final int AO_LOG_PRESSURE = 'P';
 
+       public static boolean is_gps_cmd(int cmd) {
+               switch (cmd) {
+               case AltosLib.AO_LOG_GPS_POS:
+               case AltosLib.AO_LOG_GPS_TIME:
+               case AltosLib.AO_LOG_GPS_LAT:
+               case AltosLib.AO_LOG_GPS_LON:
+               case AltosLib.AO_LOG_GPS_ALT:
+               case AltosLib.AO_LOG_GPS_SAT:
+               case AltosLib.AO_LOG_GPS_DATE:
+                       return true;
+               }
+               return false;
+       }
+
        /* Added for header fields in eeprom files */
        public static final int AO_LOG_CONFIG_VERSION = 1000;
        public static final int AO_LOG_MAIN_DEPLOY = 1001;
@@ -571,7 +585,31 @@ public class AltosLib {
                }
        }
 
-       public static String ignitor_name(int i) {
+       public static String igniter_name(int i) {
                return String.format("Ignitor %c", 'A' + i);
        }
+
+       public static AltosRecordSet record_set(File file) throws FileNotFoundException, IOException {
+               FileInputStream in;
+               in = new FileInputStream(file);
+               if (file.getName().endsWith("telem")) {
+                       return new AltosTelemetryFile(in);
+               } else if (file.getName().endsWith("eeprom")) {
+                       return new AltosEepromFile(in);
+               } else {
+                       String  name = file.getName();
+                       int     dot = name.lastIndexOf('.');
+                       String  extension;
+
+                       if (dot == -1)
+                               throw new IOException(String.format("%s (Missing extension)", file.toString()));
+                       else {
+                               extension = name.substring(dot);
+                               throw new IOException(String.format("%s (Invalid extension '%s')",
+                                                                   file.toString(),
+                                                                   extension));
+                       }
+               }
+       }
+
 }