Examples with Strings org.eclipse.hono.util.Strings used on opensource projects

Example 1 with Strings

use of org.eclipse.hono.util.Strings in project hono by eclipse.

the class HttpBasedMessageMapping method mapDownstreamMessageRequest.

private void mapDownstreamMessageRequest(final MqttContext ctx, final ResourceIdentifier targetAddress, final RegistrationAssertion registrationInfo, final MapperEndpoint mapperEndpoint, final Handler<AsyncResult<MappedMessage>> resultHandler) {
    final MultiMap headers = MultiMap.caseInsensitiveMultiMap();
    JsonObject.mapFrom(registrationInfo).forEach(property -> {
        final Object value = property.getValue();
        if (value instanceof String) {
            // prevent strings from being enclosed in quotes
            headers.add(property.getKey(), (String) value);
        } else {
            headers.add(property.getKey(), Json.encode(value));
        }
    });
    headers.add(MessageHelper.APP_PROPERTY_ORIG_ADDRESS, ctx.message().topicName());
    if (ctx.contentType() != null) {
        headers.add(HttpHeaders.CONTENT_TYPE.toString(), ctx.contentType());
    }
    final Promise<MappedMessage> result = Promise.promise();
    webClient.post(mapperEndpoint.getPort(), mapperEndpoint.getHost(), mapperEndpoint.getUri()).putHeaders(headers).ssl(mapperEndpoint.isTlsEnabled()).sendBuffer(ctx.message().payload(), httpResponseAsyncResult -> {
        if (httpResponseAsyncResult.failed()) {
            LOG.debug("failed to map message [origin: {}] using mapping service [host: {}, port: {}, URI: {}]", ctx.authenticatedDevice(), mapperEndpoint.getHost(), mapperEndpoint.getPort(), mapperEndpoint.getUri(), httpResponseAsyncResult.cause());
            result.fail(new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE, httpResponseAsyncResult.cause()));
        } else {
            final HttpResponse<Buffer> httpResponse = httpResponseAsyncResult.result();
            if (httpResponse.statusCode() == HttpURLConnection.HTTP_OK) {
                final Map<String, String> additionalProperties = new HashMap<>();
                httpResponse.headers().forEach(entry -> additionalProperties.put(entry.getKey(), entry.getValue()));
                final String mappedDeviceId = Optional.ofNullable(additionalProperties.remove(MessageHelper.APP_PROPERTY_DEVICE_ID)).map(id -> {
                    LOG.debug("original {} has been mapped to [device-id: {}]", ctx.authenticatedDevice(), id);
                    return id;
                }).orElseGet(() -> targetAddress.getResourceId());
                result.complete(new MappedMessage(ResourceIdentifier.from(targetAddress.getEndpoint(), targetAddress.getTenantId(), mappedDeviceId), httpResponse.bodyAsBuffer(), additionalProperties));
            } else {
                LOG.debug("mapping service [host: {}, port: {}, URI: {}] returned unexpected status code: {}", mapperEndpoint.getHost(), mapperEndpoint.getPort(), mapperEndpoint.getUri(), httpResponse.statusCode());
                result.fail(new ServerErrorException(HttpURLConnection.HTTP_UNAVAILABLE, "could not invoke configured mapping service"));
            }
        }
        resultHandler.handle(result.future());
    });
}