Example usage for io.netty.handler.codec.http HttpHeaderValues ZERO

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From source file:org.iotivity.cloud.base.protocols.http.HCProxyProcessor.java

License:Open Source License

/**
 * This function returns a created HTTP error response
 * created by an error information./*w  ww .j  a v  a2 s  . c o  m*/
 * 
 * @param errorStatusCode HTTP status code and reason phrase
 * @return httpResponse
 */
public HttpResponse getErrorResponse(String errorStatusCode) {

    String[] responseStatus = errorStatusCode.split(Pattern.quote(" "), 2);
    int httpCode = Integer.valueOf(responseStatus[0]);
    String reasonPhrase = responseStatus[1];

    HttpVersion httpVersion = HttpVersion.HTTP_1_1;
    HttpResponseStatus httpStatus = new HttpResponseStatus(httpCode, reasonPhrase);
    HttpResponse httpResponse = new DefaultHttpResponse(httpVersion, httpStatus);

    // Default: Non-persistent connection
    httpResponse.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);

    // Some clients requires content-length=0
    // to decide a proper size of one response message.
    httpResponse.headers().set(HttpHeaderNames.CONTENT_TYPE, HttpHeaderValues.NONE);
    httpResponse.headers().set(HttpHeaderNames.CONTENT_LENGTH, HttpHeaderValues.ZERO);

    return httpResponse;
}

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From source file:org.iotivity.cloud.base.protocols.http.HCProxyProcessor.java

License:Open Source License

/**
 * This function returns a created HTTP response
 * translated from the CoAP response./*from  w  w w. j  ava 2  s  .co m*/
 * 
 * @param response
 * @return httpResponse
 */
public HttpResponse getHttpResponse(IResponse response) {

    HttpResponse httpResponse = null;

    ResponseStatus coapResponseStatus = response.getStatus();
    ContentFormat coapContentFormat = response.getContentFormat();
    byte[] coapPayload = response.getPayload();
    boolean isPayload = false;

    HttpVersion httpVersion = HttpVersion.HTTP_1_1;

    if (coapPayload != null && coapPayload.length > 0) {

        isPayload = true;

        HttpResponseStatus httpStatus = getHttpResponseStatus(coapResponseStatus, isPayload);

        String httpContentType = null;

        ByteBuf httpContent = Unpooled.EMPTY_BUFFER;

        if (coapContentFormat == ContentFormat.APPLICATION_CBOR) {

            // Content-Type: application/json
            httpContentType = APPLICATION_JSON;

            String payloadString = null;
            try { // Cbor: Map to JSON string

                if (getTargetCoapPath().contains(DISCOVER_URI)) {
                    Log.v("Cbor decoding using ArrayList.class");
                    ArrayList<Object> cborMap = mStackCborArray.parsePayloadFromCbor(coapPayload,
                            ArrayList.class);
                    ObjectMapper cborMapper = new ObjectMapper();
                    payloadString = cborMapper.writerWithDefaultPrettyPrinter().writeValueAsString(cborMap);
                } else {
                    Log.v("Cbor decoding using HashMap.class");
                    HashMap<String, Object> cborMap = mStackCborMap.parsePayloadFromCbor(coapPayload,
                            HashMap.class);
                    ObjectMapper cborMapper = new ObjectMapper();
                    payloadString = cborMapper.writerWithDefaultPrettyPrinter().writeValueAsString(cborMap);
                }

            } catch (JsonProcessingException e) {
                e.printStackTrace();
            }

            if (payloadString == null || payloadString.trim().equalsIgnoreCase("null")) {
                payloadString = "";
            }

            byte[] payloadBytes = payloadString.getBytes();

            httpContent = Unpooled.wrappedBuffer(payloadBytes);

        } else {

            if (response instanceof CoapResponse) {
                // Content-Type:
                // application/coap-payload;cf=<Content-Format value>
                httpContentType = COAP_FORMAT_TYPE + ((CoapResponse) response).getContentFormatValue();
            } else {
                httpContentType = coapContentFormat.toString();
            }

            httpContent = Unpooled.wrappedBuffer(coapPayload);
        }

        httpResponse = new DefaultFullHttpResponse(httpVersion, httpStatus, httpContent);

        // Default: Non-persistent connection
        httpResponse.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);

        httpResponse.headers().set(HttpHeaderNames.CONTENT_TYPE, httpContentType);
        httpResponse.headers().set(HttpHeaderNames.CONTENT_LENGTH, httpContent.readableBytes());

        byte[] bytes = new byte[httpContent.readableBytes()];
        httpContent.getBytes(httpContent.readerIndex(), bytes);

        StringBuilder contentStrBuilder = new StringBuilder(new String(bytes));
        mCtx.channel().attr(HCProxyProcessor.ctxStrContent).set(contentStrBuilder);

    } else {

        isPayload = false;

        HttpResponseStatus httpStatus = getHttpResponseStatus(coapResponseStatus, isPayload);

        httpResponse = new DefaultFullHttpResponse(httpVersion, httpStatus);

        // Default: Non-persistent connection
        httpResponse.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);

        // Some clients requires content-length=0
        // to decide a proper size of one response message.
        httpResponse.headers().set(HttpHeaderNames.CONTENT_TYPE, HttpHeaderValues.NONE);
        httpResponse.headers().set(HttpHeaderNames.CONTENT_LENGTH, HttpHeaderValues.ZERO);
    }

    /*
     * If HTTP request was sign-in and HTTP response is 200 OK,
     * then set HTTP Cookie in the response for the session.
     */
    if (mTargetCoapPath != null && mTargetCoapPath.contains(SIGNIN_URI)
            && httpResponse.status() == HttpResponseStatus.OK) {
        long timeoutSeconds = SESSION_TIMEOUT;
        String createdSid = setSessionId(httpResponse, timeoutSeconds);

        // Set SessionExpiredTime in HttpDevice
        // and put it into httpDeviceMap using the session id as a key
        Device device = mCtx.channel().attr(ServerSystem.keyDevice).get();
        if (device != null) {
            ((HttpDevice) device).setSessionExpiredTime(timeoutSeconds);
            HttpServer.httpDeviceMap.put(createdSid, (HttpDevice) device);
            mCtx.channel().attr(ServerSystem.keyDevice).set(device);
        }
    }

    // Put HttpDevice into httpDeviceMap using the session id as a key
    HttpDevice httpDevice = (HttpDevice) mCtx.channel().attr(ServerSystem.keyDevice).get();
    if (httpDevice != null && mSessionId != null) {
        HttpServer.httpDeviceMap.put(mSessionId, httpDevice);
    }

    return httpResponse;
}

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