feat: added cap to polyline (#1603)

* feat: added startCap and endCap to polyline

* feat: non-nullable

Author: kikoso

library/src/main/java/com/google/maps/android/data/geojson/GeoJsonLineStringStyle.java

@@ -15,6 +15,7 @@
  */
 package com.google.maps.android.data.geojson;
 
+import com.google.android.gms.maps.model.Cap;
 import com.google.android.gms.maps.model.PatternItem;
 import com.google.android.gms.maps.model.PolylineOptions;
 import com.google.maps.android.data.Style;
@@ -27,7 +28,7 @@
 /**
  * A class that allows for GeoJsonLineString objects to be styled and for these styles to be
  * translated into a PolylineOptions object. {@see
- * <a href="https://developer.android.com/reference/com/google/android/gms/maps/model/PolylineOptions.html">
+ * <a href="https://developers.google.com/android/reference/com/google/android/gms/maps/model/PolylineOptions">
  * PolylineOptions docs</a> for more details about the options.}
  */
 public class GeoJsonLineStringStyle extends Style implements GeoJsonStyle {
@@ -43,144 +44,72 @@ public GeoJsonLineStringStyle() {
         mPolylineOptions.clickable(true);
     }
 
-    /**
-     * {@inheritDoc}
-     */
     @Override
     public String[] getGeometryType() {
         return GEOMETRY_TYPE;
     }
 
-    /**
-     * Gets the color of the GeoJsonLineString as a 32-bit ARGB color
-     *
-     * @return color of the GeoJsonLineString
-     */
     public int getColor() {
         return mPolylineOptions.getColor();
     }
 
-    /**
-     * Sets the color of the GeoJsonLineString as a 32-bit ARGB color
-     *
-     * @param color color value of the GeoJsonLineString
-     */
     public void setColor(int color) {
         mPolylineOptions.color(color);
         styleChanged();
     }
 
-    /**
-     * Gets the clickability setting for this Options object
-     *
-     * @return true if the GeoJsonLineString is clickable; false if it is not
-     */
     public boolean isClickable() {
         return mPolylineOptions.isClickable();
     }
 
-    /**
-     * Specifies whether this GeoJsonLineString is clickable
-     *
-     * @param clickable - new clickability setting for the GeoJsonLineString
-     */
     public void setClickable(boolean clickable) {
         mPolylineOptions.clickable(clickable);
         styleChanged();
     }
 
-    /**
-     * Gets whether the GeoJsonLineString is geodesic
-     *
-     * @return true if GeoJsonLineString is geodesic, false otherwise
-     */
     public boolean isGeodesic() {
         return mPolylineOptions.isGeodesic();
     }
 
-    /**
-     * Sets whether the GeoJsonLineString is geodesic
-     *
-     * @param geodesic true if GeoJsonLineString is geodesic, false otherwise
-     */
     public void setGeodesic(boolean geodesic) {
         mPolylineOptions.geodesic(geodesic);
         styleChanged();
     }
 
-    /**
-     * Gets the width of the GeoJsonLineString in screen pixels
-     *
-     * @return width of the GeoJsonLineString
-     */
     public float getWidth() {
         return mPolylineOptions.getWidth();
     }
 
-    /**
-     * Sets the width of the GeoJsonLineString in screen pixels
-     *
-     * @param width width value of the GeoJsonLineString
-     */
     public void setWidth(float width) {
         setLineStringWidth(width);
         styleChanged();
     }
 
-    /**
-     * Gets the z index of the GeoJsonLineString
-     *
-     * @return z index of the GeoJsonLineString
-     */
     public float getZIndex() {
         return mPolylineOptions.getZIndex();
     }
 
-    /**
-     * Sets the z index of the GeoJsonLineString
-     *
-     * @param zIndex z index value of the GeoJsonLineString
-     */
     public void setZIndex(float zIndex) {
         mPolylineOptions.zIndex(zIndex);
         styleChanged();
     }
 
-    /**
-     * Gets whether the GeoJsonLineString is visible
-     *
-     * @return true if the GeoJsonLineString visible, false if not visible
-     */
     @Override
     public boolean isVisible() {
         return mPolylineOptions.isVisible();
     }
 
-    /**
-     * Sets whether the GeoJsonLineString is visible
-     *
-     * @param visible true if the GeoJsonLineString is visible, false if not visible
-     */
     @Override
     public void setVisible(boolean visible) {
         mPolylineOptions.visible(visible);
         styleChanged();
     }
 
-    /**
-     * Notifies the observers, GeoJsonFeature objects, that the style has changed. Indicates to the
-     * GeoJsonFeature that it should check whether a redraw is needed for the feature.
-     */
     private void styleChanged() {
         setChanged();
         notifyObservers();
     }
 
-    /**
-     * Gets a new PolylineOptions object containing styles for the GeoJsonLineString
-     *
-     * @return new PolylineOptions object
-     */
     public PolylineOptions toPolylineOptions() {
         PolylineOptions polylineOptions = new PolylineOptions();
         polylineOptions.color(mPolylineOptions.getColor());
@@ -190,6 +119,8 @@ public PolylineOptions toPolylineOptions() {
         polylineOptions.width(mPolylineOptions.getWidth());
         polylineOptions.zIndex(mPolylineOptions.getZIndex());
         polylineOptions.pattern(getPattern());
+        polylineOptions.startCap(getStartCap());
+        polylineOptions.endCap(getEndCap());
         return polylineOptions;
     }
 
@@ -205,27 +136,36 @@ public String toString() {
         sb.append(",\n width=").append(getWidth());
         sb.append(",\n z index=").append(getZIndex());
         sb.append(",\n pattern=").append(getPattern());
+        sb.append(",\n startCap=").append(getStartCap());
+        sb.append(",\n endCap=").append(getEndCap());
         sb.append("\n}\n");
         return sb.toString();
     }
 
-    /**
-     * Gets the pattern of the GeoJsonLineString
-     *
-     * @return line style of GeoJsonLineString
-     */
     public List<PatternItem> getPattern() {
         return mPolylineOptions.getPattern();
     }
 
-    /**
-     * Sets the pattern of the GeoJsonLineString
-     *
-     * @param pattern line style of GeoJsonLineString
-     */
     public void setPattern(List<PatternItem> pattern) {
         mPolylineOptions.pattern(pattern);
         styleChanged();
     }
 
+    public void setStartCap(@NonNull Cap cap) {
+        mPolylineOptions.startCap(cap);
+        styleChanged();
+    }
+
+    public void setEndCap(@NonNull Cap cap) {
+        mPolylineOptions.endCap(cap);
+        styleChanged();
+    }
+
+    public Cap getStartCap() {
+        return mPolylineOptions.getStartCap();
+    }
+
+    public Cap getEndCap() {
+        return mPolylineOptions.getEndCap();
+    }
 }