Merge pull request #7 from RX14/master

Added support for TLEs where the name line starts with 0

Author: g4dpz

src/main/java/uk/me/g4dpz/satellite/TLE.java

@@ -124,13 +124,21 @@ public TLE(final TLE tle) {
         this.createddate = tle.createddate;
     }
 
+    public TLE(final String[] tle) throws IllegalArgumentException {
+        this(tle, false);
+    }
+
     /**
      * Constructor.
      *
      * @param tle the three line elements
      * @throws IllegalArgumentException here was something wrong with the TLE
      */
-    public TLE(final String[] tle) throws IllegalArgumentException {
+    public TLE(final String[] tle, boolean nilStart) throws IllegalArgumentException {
+
+        if (nilStart) {
+            tle[0] = tle[0].substring(2);
+        }
 
         if (null == tle) {
             throw new IllegalArgumentException("TLE was null");

src/test/java/uk/me/g4dpz/satellite/AbstractSatelliteTestBase.java

@@ -80,6 +80,11 @@ protected AbstractSatelliteTestBase() {
             "1 33139U 06026MX  09359.84164805  .10408321  74078-5  34039-2 0  6397",
             "2 33139 064.8768 254.5588 0010700 285.2081 074.8503 16.45000000 91112"};
 
+    protected static final String[] NIL_START_TLE = {
+            "0 AO-51 [+]",
+            "1 28375U 04025K   09105.66391970  .00000003  00000-0  13761-4 0  3643",
+            "2 28375 098.0551 118.9086 0084159 315.8041 043.6444 14.40638450251959"};
+
     protected static final String LATITUDE = "52.4670";
     protected static final String LONGITUDE = "-2.022";
     protected static final int HEIGHT_AMSL = 200;

src/test/java/uk/me/g4dpz/satellite/TLETest.java

@@ -72,6 +72,13 @@ public void testCopyConstructor() {
         checkData(tleCopy);
     }
 
+    @Test
+    public void testNilStartTLE() {
+
+        final TLE tle = new TLE(NIL_START_TLE, true);
+        checkData(tle);
+    }
+
     @Test
     public void testTLEReadDeepSpace() {
         final String[] theTLE = {