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- // ArduinoJson - https://arduinojson.org
- // Copyright © 2014-2022, Benoit BLANCHON
- // MIT License
- //
- // This example shows how to use DeserializationOption::Filter
- //
- // https://arduinojson.org/v6/example/filter/
- #include <ArduinoJson.h>
- void setup() {
- // Initialize serial port
- Serial.begin(9600);
- while (!Serial) continue;
- // The huge input: an extract from OpenWeatherMap response
- const __FlashStringHelper* input_json = F(
- "{\"cod\":\"200\",\"message\":0,\"list\":[{\"dt\":1581498000,\"main\":{"
- "\"temp\":3.23,\"feels_like\":-3.63,\"temp_min\":3.23,\"temp_max\":4.62,"
- "\"pressure\":1014,\"sea_level\":1014,\"grnd_level\":1010,\"humidity\":"
- "58,\"temp_kf\":-1.39},\"weather\":[{\"id\":800,\"main\":\"Clear\","
- "\"description\":\"clear "
- "sky\",\"icon\":\"01d\"}],\"clouds\":{\"all\":0},\"wind\":{\"speed\":6."
- "19,\"deg\":266},\"sys\":{\"pod\":\"d\"},\"dt_txt\":\"2020-02-12 "
- "09:00:00\"},{\"dt\":1581508800,\"main\":{\"temp\":6.09,\"feels_like\":-"
- "1.07,\"temp_min\":6.09,\"temp_max\":7.13,\"pressure\":1015,\"sea_"
- "level\":1015,\"grnd_level\":1011,\"humidity\":48,\"temp_kf\":-1.04},"
- "\"weather\":[{\"id\":800,\"main\":\"Clear\",\"description\":\"clear "
- "sky\",\"icon\":\"01d\"}],\"clouds\":{\"all\":9},\"wind\":{\"speed\":6."
- "64,\"deg\":268},\"sys\":{\"pod\":\"d\"},\"dt_txt\":\"2020-02-12 "
- "12:00:00\"}],\"city\":{\"id\":2643743,\"name\":\"London\",\"coord\":{"
- "\"lat\":51.5085,\"lon\":-0.1257},\"country\":\"GB\",\"population\":"
- "1000000,\"timezone\":0,\"sunrise\":1581492085,\"sunset\":1581527294}}");
- // The filter: it contains "true" for each value we want to keep
- StaticJsonDocument<200> filter;
- filter["list"][0]["dt"] = true;
- filter["list"][0]["main"]["temp"] = true;
- // Deserialize the document
- StaticJsonDocument<400> doc;
- deserializeJson(doc, input_json, DeserializationOption::Filter(filter));
- // Print the result
- serializeJsonPretty(doc, Serial);
- }
- void loop() {
- // not used in this example
- }
- // See also
- // --------
- //
- // https://arduinojson.org/ contains the documentation for all the functions
- // used above. It also includes an FAQ that will help you solve any
- // deserialization problem.
- //
- // The book "Mastering ArduinoJson" contains a tutorial on deserialization.
- // It begins with a simple example, like the one above, and then adds more
- // features like deserializing directly from a file or an HTTP request.
- // Learn more at https://arduinojson.org/book/
- // Use the coupon code TWENTY for a 20% discount ❤❤❤❤❤
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