lottie/src/main/java/com/airbnb/lottie/JsonUtils.java

package com.airbnb.lottie;

import android.graphics.PointF;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

class JsonUtils {
  private JsonUtils() {
  }

  static PointF pointValueFromJsonObject(JSONObject values, float scale) {
    PointF point = new PointF();
    try {
      Object x = values.get("x");
      if (x instanceof Float) {
        point.x = (float) x;
      } else if (x instanceof Integer) {
        point.x = (Integer) x;
      } else if (x instanceof Double) {
        point.x = (float) (double) x;
      } else if (x instanceof JSONArray) {
        point.x = (float) ((JSONArray) x).getDouble(0);
      }

      Object y = values.get("y");
      if (y instanceof Float) {
        point.y = (float) y;
      } else if (y instanceof Integer) {
        point.y = (Integer) y;
      } else if (y instanceof Double) {
        point.y = (float) (double) y;
      } else if (y instanceof JSONArray) {
        point.y = (float) ((JSONArray) y).getDouble(0);
      }
    } catch (JSONException e) {
      throw new IllegalArgumentException("Unable to parse point " + values, e);
    }
    point.x *= scale;
    point.y *= scale;
    return point;
  }

  static PointF pointFromJsonArray(JSONArray values, float scale) {
    if (values.length() < 2) {
      throw new IllegalArgumentException("Unable to parse point for " + values);
    }
    try {
      return new PointF((float) values.getDouble(0) * scale, (float) values.getDouble(1) * scale);
    } catch (JSONException e) {
      throw new IllegalArgumentException("Unable to parse point for " + values, e);
    }
  }
}