How to use

length

method

in

leap.lang.json.JsonArray

@Override
protected Object readInternal(Class clazz, HttpInputMessage inputMessage) throws IOException, HttpMessageNotReadableException {
  try(InputStream is = inputMessage.getBody()) {
    if(clazz.isArray()) {
      try(InputStreamReader reader = new InputStreamReader(is, getCharset(inputMessage))) {
        try {
          JsonArray a = JSON.parse(reader).asJsonArray();
          Object o = Array.newInstance(clazz.getComponentType(), a.length());
          for(int i=0;i<a.length();i++) {
            Object item = Reflection.newInstance(clazz.getComponentType());
            ((JsonParsable)item).parseJson(a.getObject(i));
            Array.set(o, i, item);
          }
          return o;
        }catch (Exception e) {
          throw new HttpMessageNotReadableException(e.getMessage(), e);
        }
      }
    }else {
      Object o = Reflection.newInstance(clazz);
      try {
        ((JsonParsable)o).parseJson(IO.readString(is, getCharset(inputMessage)));
        return o;
      }catch (Exception e) {
        throw new HttpMessageNotReadableException(e.getMessage(), e);
      }
    }
  }
}

  @Override
  public void parseJson(JsonValue value) {
    JsonObject o = value.asJsonObject();
    
    this.name   = o.getString("name");
    this.unique = o.getBoolean("unique",false);
    
    JsonArray columns = o.getArray("columnNames");
    if(null != columns){
      for(int i=0;i<columns.length();i++){
        addColumnName(columns.getString(i));
      }
    }
  }
}