Flip X and Y coordinates for WKT and array formats in XYPoint (#156)

Signed-off-by: Naveen Tatikonda <[email protected]>

Author: naveentatikonda

src/main/java/org/opensearch/geospatial/index/mapper/xypoint/XYPoint.java

@@ -160,7 +160,7 @@ private XYPoint resetFromWKT(String value, boolean ignoreZValue) {
             throw new OpenSearchParseException("[xy_point] supports only POINT among WKT primitives, but found [{}]", geometry.type());
         }
         Point point = (Point) geometry;
-        return reset(point.getY(), point.getX());
+        return reset(point.getX(), point.getY());
     }
 
     /**

src/main/java/org/opensearch/geospatial/index/mapper/xypoint/XYPointParser.java

@@ -157,9 +157,9 @@ private static XYPoint parseXYPointArray(XContentParser subParser, final boolean
             }
             element++;
             if (element == 1) {
-                y = subParser.doubleValue();
-            } else if (element == 2) {
                 x = subParser.doubleValue();
+            } else if (element == 2) {
+                y = subParser.doubleValue();
             } else if (element == 3) {
                 XYPoint.assertZValue(ignoreZValue, subParser.doubleValue());
             } else {

src/test/java/org/opensearch/geospatial/index/mapper/xypoint/XYPointParsingTests.java

@@ -170,15 +170,15 @@ private XContentParser xyAsString(double x, double y) throws IOException {
 
     private XContentParser xyAsArray(double x, double y) throws IOException {
         XContentBuilder content = JsonXContent.contentBuilder();
-        content.startArray().value(y).value(x).endArray();
+        content.startArray().value(x).value(y).endArray();
         XContentParser parser = createParser(JsonXContent.jsonXContent, BytesReference.bytes(content));
         parser.nextToken();
         return parser;
     }
 
     private XContentParser xyAsWKT(double x, double y) throws IOException {
         XContentBuilder content = JsonXContent.contentBuilder();
-        content.value("POINT (" + y + " " + x + ")");
+        content.value("POINT (" + x + " " + y + ")");
         XContentParser parser = createParser(JsonXContent.jsonXContent, BytesReference.bytes(content));
         parser.nextToken();
         return parser;