Merge pull request #333 from conveyal/unrequire-continuous-fields

Make `continuous_pickup`/`drop_off` not required.

Author: binh-dam-ibigroup

src/main/java/com/conveyal/gtfs/model/Route.java

@@ -103,13 +103,13 @@ public void loadOneRow() throws IOException {
             r.route_long_name = getStringField("route_long_name", false);
             r.route_desc = getStringField("route_desc", false);
             r.route_type = getIntField("route_type", true, 0, 7);
-            r.route_sort_order = getIntField("route_type", false, 0, Integer.MAX_VALUE);
+            r.route_sort_order = getIntField("route_sort_order", false, 0, Integer.MAX_VALUE);
             r.route_url = getUrlField("route_url", false);
             r.route_color = getStringField("route_color", false);
             r.route_text_color = getStringField("route_text_color", false);
             r.route_branding_url = getUrlField("route_branding_url", false);
-            r.continuous_pickup = getIntField("continuous_pickup", true, 0, 3);
-            r.continuous_pickup = getIntField("continuous_drop_off", true, 0, 3);
+            r.continuous_pickup = getIntField("continuous_pickup", false, 0, 3, INT_MISSING);
+            r.continuous_drop_off = getIntField("continuous_drop_off", false, 0, 3, INT_MISSING);
             r.feed = feed;
             r.feed_id = feed.feedId;
             // Attempting to put a null key or value will cause an NPE in BTreeMap

src/main/java/com/conveyal/gtfs/model/StopTime.java

@@ -89,8 +89,8 @@ public void loadOneRow() throws IOException {
             st.stop_headsign  = getStringField("stop_headsign", false);
             st.pickup_type    = getIntField("pickup_type", false, 0, 3); // TODO add ranges as parameters
             st.drop_off_type  = getIntField("drop_off_type", false, 0, 3);
-            st.continuous_pickup = getIntField("continuous_pickup", true, 0, 3);
-            st.continuous_drop_off = getIntField("continuous_drop_off", true, 0, 3);
+            st.continuous_pickup = getIntField("continuous_pickup", false, 0, 3, INT_MISSING);
+            st.continuous_drop_off = getIntField("continuous_drop_off", false, 0, 3, INT_MISSING);
             st.shape_dist_traveled = getDoubleField("shape_dist_traveled", false, 0D, Double.MAX_VALUE); // FIXME using both 0 and NaN for "missing", define DOUBLE_MISSING
             st.timepoint      = getIntField("timepoint", false, 0, 1, INT_MISSING);
             st.feed           = null; // this could circular-serialize the whole feed