optimize capacity & add assert messages in GeoJson.

Original Pull Request #3064
Closes #3063

Signed-off-by: 정보교 (Bogus Jung) <[email protected]>

Author: wjdqhry

Diff for: src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJson.java

@@ -21,7 +21,7 @@
 
 /**
  * Interface definition for structures defined in <a href="https://geojson.org">GeoJSON</a>
- * format. copied from Spring  Data Mongodb
+ * format. copied from Spring Data Mongodb
  *
  * @author Christoph Strobl
  * @since 1.7

Diff for: src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJsonLineString.java

@@ -69,7 +69,7 @@ public static GeoJsonLineString of(Point first, Point second, Point... others) {
 		Assert.notNull(second, "Second point must not be null!");
 		Assert.notNull(others, "Additional points must not be null!");
 
-		List<Point> points = new ArrayList<>();
+		List<Point> points = new ArrayList<>(2 + others.length);
 		points.add(first);
 		points.add(second);
 		points.addAll(Arrays.asList(others));
@@ -103,7 +103,7 @@ public static GeoJsonLineString of(GeoPoint first, GeoPoint second, GeoPoint...
 		Assert.notNull(second, "Second point must not be null!");
 		Assert.notNull(others, "Additional points must not be null!");
 
-		List<Point> points = new ArrayList<>();
+		List<Point> points = new ArrayList<>(2 + others.length);
 		points.add(GeoPoint.toPoint(first));
 		points.add(GeoPoint.toPoint(second));
 		points.addAll(Arrays.stream(others).map(GeoPoint::toPoint).collect(Collectors.toList()));

Diff for: src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJsonMultiPoint.java

@@ -69,7 +69,7 @@ public static GeoJsonMultiPoint of(Point first, Point second, Point... others) {
 		Assert.notNull(second, "Second point must not be null!");
 		Assert.notNull(others, "Additional points must not be null!");
 
-		List<Point> points = new ArrayList<>();
+		List<Point> points = new ArrayList<>(2 + others.length);
 		points.add(first);
 		points.add(second);
 		points.addAll(Arrays.asList(others));
@@ -103,7 +103,7 @@ public static GeoJsonMultiPoint of(GeoPoint first, GeoPoint second, GeoPoint...
 		Assert.notNull(second, "Second point must not be null!");
 		Assert.notNull(others, "Additional points must not be null!");
 
-		List<Point> points = new ArrayList<>();
+		List<Point> points = new ArrayList<>(2 + others.length);
 		points.add(GeoPoint.toPoint(first));
 		points.add(GeoPoint.toPoint(second));
 		points.addAll(Arrays.stream(others).map(GeoPoint::toPoint).collect(Collectors.toList()));

Diff for: src/main/java/org/springframework/data/elasticsearch/core/geo/GeoJsonPolygon.java

@@ -189,7 +189,13 @@ public List<GeoJsonLineString> getCoordinates() {
 	@SafeVarargs
 	private static <T> List<T> asList(T first, T second, T third, T fourth, T... others) {
 
-		ArrayList<T> result = new ArrayList<>(3 + others.length);
+		Assert.notNull(first, "First element must not be null!");
+		Assert.notNull(second, "Second element must not be null!");
+		Assert.notNull(third, "Third element must not be null!");
+		Assert.notNull(fourth, "Fourth element must not be null!");
+		Assert.notNull(others, "Additional elements must not be null!");
+
+		ArrayList<T> result = new ArrayList<>(4 + others.length);
 
 		result.add(first);
 		result.add(second);