code: private MultiLineString parseMultiLinestring(JsonParser jp) throws IOException, SQLException {
          jp.nextToken(); // FIELD_NAME coordinates        
          String coordinatesField = jp.getText();
          if (coordinatesField.equalsIgnoreCase(GeoJsonField.COORDINATES)) {
              ArrayList<LineString> lineStrings = new ArrayList<LineString>();
              jp.nextToken();//START_ARRAY [ coordinates
              jp.nextToken(); // START_ARRAY [ coordinates line
              while (jp.getCurrentToken() != JsonToken.END_ARRAY) {
                  lineStrings.add(GF.createLineString(parseCoordinates(jp)));
                  jp.nextToken();
              }
              MultiLineString line = GF.createMultiLineString(lineStrings.toArray(new LineString[0]));
              jp.nextToken();//END_OBJECT } geometry
              return line;
          } else {
              throw new SQLException("Malformed GeoJSON file. Expected 'coordinates', found '" + coordinatesField + "'");
          }
  
      }
docs: Parses an array of positions defined as:
  
  { "type": "MultiLineString", "coordinates": [ [ [100.0, 0.0], [101.0,
  1.0] ], [ [102.0, 2.0], [103.0, 3.0] ] ] }
  
  @param jsParser
  @return MultiLineString