Example usage for io.vertx.core.json JsonObject encode

Introduction

In this page you can find the example usage for io.vertx.core.json JsonObject encode.

Prototype

public String encode()

Source Link

Document

Encode this JSON object as a string.

Usage

From source file:org.sfs.rx.Terminus.java

License:Apache License

@Override
public void onError(Throwable e) {
    try {//ww w  .  j a va2 s . co m
        HttpServerResponse response = httpServerRequest.response();
        response.setChunked(true);
        if (containsException(HttpRequestValidationException.class, e)) {
            HttpRequestValidationException cause = unwrapCause(HttpRequestValidationException.class, e).get();
            JsonObject entity = cause.getEntity();
            int status = cause.getStatusCode();

            // if credentials weren't supplied send unauthorized instead
            // of forbidden
            if (status == HTTP_FORBIDDEN && !httpServerRequest.headers().contains(AUTHORIZATION)
                    && !httpServerRequest.headers().contains(X_AUTH_TOKEN)) {
                status = HTTP_UNAUTHORIZED;
                if (!httpServerRequest.proxyKeepAliveStarted()) {
                    response.putHeader(WWW_AUTHENTICATE, "Basic realm=\"Helix\"");
                }
            }

            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Validate Error " + httpServerRequest.path(), e);
            }

            HttpMethod method = httpServerRequest.method();
            if (Objects.equals(HEAD, method)) {
                if (httpServerRequest.proxyKeepAliveStarted()) {
                    Buffer encoded = buffer(entity.encodePrettily(), UTF_8.toString())
                            .appendBuffer(DELIMITER_BUFFER);
                    response.end(encoded);
                } else {
                    Buffer encoded = buffer(entity.encodePrettily(), UTF_8.toString());
                    response.setStatusCode(status).write(encoded).end();
                }
            } else {
                if (httpServerRequest.proxyKeepAliveStarted()) {
                    Buffer encoded = buffer(entity.encodePrettily(), UTF_8.toString())
                            .appendBuffer(DELIMITER_BUFFER);
                    response.end(encoded);
                } else {
                    Buffer buffer = buffer(entity.encodePrettily(), UTF_8.toString());
                    response.setStatusCode(status).write(buffer).end(buffer);
                }
            }

        } else if (containsException(HttpStatusCodeException.class, e)) {
            HttpStatusCodeException cause = unwrapCause(HttpStatusCodeException.class, e).get();

            int status = cause.getStatusCode();

            // if credentials weren't supplied send unauthorized instead
            // of forbidden
            if (status == HTTP_FORBIDDEN && !httpServerRequest.headers().contains(AUTHORIZATION)
                    && !httpServerRequest.headers().contains(X_AUTH_TOKEN)) {
                status = HTTP_UNAUTHORIZED;
                if (!httpServerRequest.proxyKeepAliveStarted()) {
                    response.putHeader(WWW_AUTHENTICATE, "Basic realm=\"Helix\"");
                }
            }

            LOGGER.error("HttpStatusCode Error " + httpServerRequest.path(), e);

            if (httpServerRequest.proxyKeepAliveStarted()) {
                JsonObject jsonObject = new JsonObject().put("code", status);
                Buffer encoded = buffer(jsonObject.encodePrettily(), UTF_8.toString())
                        .appendBuffer(DELIMITER_BUFFER);
                response.end(encoded);
            } else {
                response.setStatusCode(status).end();
            }

        } else {
            LOGGER.error("Unhandled Exception " + httpServerRequest.path(), e);
            if (httpServerRequest.proxyKeepAliveStarted()) {
                JsonObject jsonObject = new JsonObject().put("code", HTTP_INTERNAL_ERROR);
                Buffer encoded = buffer(jsonObject.encode(), UTF_8.toString()).appendBuffer(DELIMITER_BUFFER);
                response.end(encoded);
            } else {
                response.setStatusCode(HTTP_INTERNAL_ERROR).end();
            }

        }
    } finally {
        httpServerRequest.resume();
    }
}