template-marketplace/hertzbeat-template-hub/src/main/java/org/apache/hertzbeat/templatehub/util/JsonUtil.java [106:121]:
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    public static boolean isJsonStr(String jsonStr) {
        if (jsonStr == null || jsonStr.trim().isEmpty()) {
            return false;
        }
        jsonStr = jsonStr.trim();
        if (!(jsonStr.startsWith("{") && jsonStr.endsWith("}"))
                && !(jsonStr.startsWith("[") && jsonStr.endsWith("]"))) {
            return false;
        }
        try {
            OBJECT_MAPPER.readTree(jsonStr);
            return true;
        } catch (Exception ignored) {
            return false;
        }
    }
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hertzbeat-common/src/main/java/org/apache/hertzbeat/common/util/JsonUtil.java [105:120]:
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    public static boolean isJsonStr(String jsonStr) {
        if (jsonStr == null || jsonStr.trim().isEmpty()) {
            return false;
        }
        jsonStr = jsonStr.trim();
        if (!(jsonStr.startsWith("{") && jsonStr.endsWith("}"))
                && !(jsonStr.startsWith("[") && jsonStr.endsWith("]"))) {
            return false;
        }
        try {
            OBJECT_MAPPER.readTree(jsonStr);
            return true;
        } catch (Exception ignored) {
            return false;
        }
    }
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