public NdefMessage createNdefMessage()

in NfcProvisioning/Application/src/main/java/com/example/android/nfcprovisioning/NfcProvisioningFragment.java [111:153]
39 lines of code
11 McCabe index (conditional complexity)

    public NdefMessage createNdefMessage(NfcEvent event) {
        if (mProvisioningValues == null) {
            return null;
        }
        ByteArrayOutputStream stream = new ByteArrayOutputStream();
        Properties properties = new Properties();
        // Store all the values into the Properties object
        for (Map.Entry<String, String> e : mProvisioningValues.entrySet()) {
            if (!TextUtils.isEmpty(e.getValue())) {
                String value;
                if (e.getKey().equals(DevicePolicyManager.EXTRA_PROVISIONING_WIFI_SSID)) {
                    // Make sure to surround SSID with double quotes
                    value = e.getValue();
                    if (!value.startsWith("\"") || !value.endsWith("\"")) {
                        value = "\"" + value + "\"";
                    }
                } else //noinspection deprecation
                    if (e.getKey().equals(
                            DevicePolicyManager.EXTRA_PROVISIONING_DEVICE_ADMIN_PACKAGE_NAME)
                            && Build.VERSION.SDK_INT >= 23) {
                        continue;
                    } else {
                        value = e.getValue();
                    }
                properties.put(e.getKey(), value);
            }
        }
        // Make sure to put local time in the properties. This is necessary on some devices to
        // reliably download the device owner APK from an HTTPS connection.
        if (!properties.contains(DevicePolicyManager.EXTRA_PROVISIONING_LOCAL_TIME)) {
            properties.put(DevicePolicyManager.EXTRA_PROVISIONING_LOCAL_TIME,
                    String.valueOf(System.currentTimeMillis()));
        }
        try {
            properties.store(stream, getString(R.string.nfc_comment));
            NdefRecord record = NdefRecord.createMime(
                    DevicePolicyManager.MIME_TYPE_PROVISIONING_NFC, stream.toByteArray());
            return new NdefMessage(new NdefRecord[]{record});
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }