JsonUtil

public class JsonUtil {
    private static final ObjectMapper jsonMapper = new ObjectMapper();

    public static <T> T toObj(String str, Class<T> clz) {
        try {
            return jsonMapper.readValue(str, clz);
        } catch (JsonProcessingException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public static <T> T toObj(String str, TypeReference<T> clz) {
        try {
            return jsonMapper.readValue(str, clz);
        } catch (JsonProcessingException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public static <T> List<T> toList(String str, Class<T> clz) {
        try {
            return jsonMapper.readValue(str, new TypeReference<List<T>>() {
            });
        } catch (JsonProcessingException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public static JsonNode toJsonNode(String str) {
        try {
            return jsonMapper.readTree(str);
        } catch (JsonProcessingException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public static <T> T nodeToValue(JsonNode node, Class<T> clz) {
        try {
            return jsonMapper.treeToValue(node, clz);
        } catch (JsonProcessingException e) {
            throw new UnsupportedOperationException(e);
        }
    }

    public static String toStr(Object t) {
        try {
            return jsonMapper.writeValueAsString(t);
        } catch (Exception e) {
            throw new UnsupportedOperationException(e);
        }
    }
}