Examples with Protocol okhttp3.Protocol used on opensource projects

Example 46 with Protocol

use of okhttp3.Protocol in project okhttp by square.

the class Http2Codec method readHttp2HeadersList.

/** Returns headers for a name value block containing an HTTP/2 response. */
public static Response.Builder readHttp2HeadersList(List<Header> headerBlock) throws IOException {
    StatusLine statusLine = null;
    Headers.Builder headersBuilder = new Headers.Builder();
    for (int i = 0, size = headerBlock.size(); i < size; i++) {
        Header header = headerBlock.get(i);
        // header blocks if the existing header block is a '100 Continue' intermediate response.
        if (header == null) {
            if (statusLine != null && statusLine.code == HTTP_CONTINUE) {
                statusLine = null;
                headersBuilder = new Headers.Builder();
            }
            continue;
        }
        ByteString name = header.name;
        String value = header.value.utf8();
        if (name.equals(RESPONSE_STATUS)) {
            statusLine = StatusLine.parse("HTTP/1.1 " + value);
        } else if (!HTTP_2_SKIPPED_RESPONSE_HEADERS.contains(name)) {
            Internal.instance.addLenient(headersBuilder, name.utf8(), value);
        }
    }
    if (statusLine == null)
        throw new ProtocolException("Expected ':status' header not present");
    return new Response.Builder().protocol(Protocol.HTTP_2).code(statusLine.code).message(statusLine.message).headers(headersBuilder.build());
}

Example 47 with Protocol

use of okhttp3.Protocol in project okhttp by square.

the class CacheInterceptor method intercept.

@Override
public Response intercept(Chain chain) throws IOException {
    Response cacheCandidate = cache != null ? cache.get(chain.request()) : null;
    long now = System.currentTimeMillis();
    CacheStrategy strategy = new CacheStrategy.Factory(now, chain.request(), cacheCandidate).get();
    Request networkRequest = strategy.networkRequest;
    Response cacheResponse = strategy.cacheResponse;
    if (cache != null) {
        cache.trackResponse(strategy);
    }
    if (cacheCandidate != null && cacheResponse == null) {
        // The cache candidate wasn't applicable. Close it.
        closeQuietly(cacheCandidate.body());
    }
    // If we're forbidden from using the network and the cache is insufficient, fail.
    if (networkRequest == null && cacheResponse == null) {
        return new Response.Builder().request(chain.request()).protocol(Protocol.HTTP_1_1).code(504).message("Unsatisfiable Request (only-if-cached)").body(Util.EMPTY_RESPONSE).sentRequestAtMillis(-1L).receivedResponseAtMillis(System.currentTimeMillis()).build();
    }
    // If we don't need the network, we're done.
    if (networkRequest == null) {
        return cacheResponse.newBuilder().cacheResponse(stripBody(cacheResponse)).build();
    }
    Response networkResponse = null;
    try {
        networkResponse = chain.proceed(networkRequest);
    } finally {
        // If we're crashing on I/O or otherwise, don't leak the cache body.
        if (networkResponse == null && cacheCandidate != null) {
            closeQuietly(cacheCandidate.body());
        }
    }
    // If we have a cache response too, then we're doing a conditional get.
    if (cacheResponse != null) {
        if (networkResponse.code() == HTTP_NOT_MODIFIED) {
            Response response = cacheResponse.newBuilder().headers(combine(cacheResponse.headers(), networkResponse.headers())).sentRequestAtMillis(networkResponse.sentRequestAtMillis()).receivedResponseAtMillis(networkResponse.receivedResponseAtMillis()).cacheResponse(stripBody(cacheResponse)).networkResponse(stripBody(networkResponse)).build();
            networkResponse.body().close();
            // Update the cache after combining headers but before stripping the
            // Content-Encoding header (as performed by initContentStream()).
            cache.trackConditionalCacheHit();
            cache.update(cacheResponse, response);
            return response;
        } else {
            closeQuietly(cacheResponse.body());
        }
    }
    Response response = networkResponse.newBuilder().cacheResponse(stripBody(cacheResponse)).networkResponse(stripBody(networkResponse)).build();
    if (HttpHeaders.hasBody(response)) {
        CacheRequest cacheRequest = maybeCache(response, networkResponse.request(), cache);
        response = cacheWritingResponse(cacheRequest, response);
    }
    return response;
}

Example 48 with Protocol

use of okhttp3.Protocol in project okhttp by square.

the class StatusLine method parse.

public static StatusLine parse(String statusLine) throws IOException {
    // H T T P / 1 . 1   2 0 0   T e m p o r a r y   R e d i r e c t
    // 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0
    // Parse protocol like "HTTP/1.1" followed by a space.
    int codeStart;
    Protocol protocol;
    if (statusLine.startsWith("HTTP/1.")) {
        if (statusLine.length() < 9 || statusLine.charAt(8) != ' ') {
            throw new ProtocolException("Unexpected status line: " + statusLine);
        }
        int httpMinorVersion = statusLine.charAt(7) - '0';
        codeStart = 9;
        if (httpMinorVersion == 0) {
            protocol = Protocol.HTTP_1_0;
        } else if (httpMinorVersion == 1) {
            protocol = Protocol.HTTP_1_1;
        } else {
            throw new ProtocolException("Unexpected status line: " + statusLine);
        }
    } else if (statusLine.startsWith("ICY ")) {
        // Shoutcast uses ICY instead of "HTTP/1.0".
        protocol = Protocol.HTTP_1_0;
        codeStart = 4;
    } else {
        throw new ProtocolException("Unexpected status line: " + statusLine);
    }
    // Parse response code like "200". Always 3 digits.
    if (statusLine.length() < codeStart + 3) {
        throw new ProtocolException("Unexpected status line: " + statusLine);
    }
    int code;
    try {
        code = Integer.parseInt(statusLine.substring(codeStart, codeStart + 3));
    } catch (NumberFormatException e) {
        throw new ProtocolException("Unexpected status line: " + statusLine);
    }
    // Parse an optional response message like "OK" or "Not Modified". If it
    // exists, it is separated from the response code by a space.
    String message = "";
    if (statusLine.length() > codeStart + 3) {
        if (statusLine.charAt(codeStart + 3) != ' ') {
            throw new ProtocolException("Unexpected status line: " + statusLine);
        }
        message = statusLine.substring(codeStart + 4);
    }
    return new StatusLine(protocol, code, message);
}

Example 49 with Protocol

use of okhttp3.Protocol in project okhttp by square.

the class Platform method concatLengthPrefixed.

/**
   * Returns the concatenation of 8-bit, length prefixed protocol names.
   * http://tools.ietf.org/html/draft-agl-tls-nextprotoneg-04#page-4
   */
static byte[] concatLengthPrefixed(List<Protocol> protocols) {
    Buffer result = new Buffer();
    for (int i = 0, size = protocols.size(); i < size; i++) {
        Protocol protocol = protocols.get(i);
        // No HTTP/1.0 for ALPN.
        if (protocol == Protocol.HTTP_1_0)
            continue;
        result.writeByte(protocol.toString().length());
        result.writeUtf8(protocol.toString());
    }
    return result.readByteArray();
}

Example 50 with Protocol

use of okhttp3.Protocol in project azure-sdk-for-java by Azure.

the class ComputeNodesImpl method getRemoteDesktopAsync.

/**
     * Gets the Remote Desktop Protocol file for the specified compute node.
     *
     * @param poolId The id of the pool that contains the compute node.
     * @param nodeId The id of the compute node for which you want to get the Remote Desktop Protocol file.
     * @param computeNodeGetRemoteDesktopOptions Additional parameters for the operation
     * @param serviceCallback the async ServiceCallback to handle successful and failed responses.
     * @throws IllegalArgumentException thrown if callback is null
     * @return the {@link Call} object
     */
public ServiceCall getRemoteDesktopAsync(String poolId, String nodeId, ComputeNodeGetRemoteDesktopOptions computeNodeGetRemoteDesktopOptions, final ServiceCallback<InputStream> serviceCallback) throws IllegalArgumentException {
    if (serviceCallback == null) {
        throw new IllegalArgumentException("ServiceCallback is required for async calls.");
    }
    if (poolId == null) {
        serviceCallback.failure(new IllegalArgumentException("Parameter poolId is required and cannot be null."));
        return null;
    }
    if (nodeId == null) {
        serviceCallback.failure(new IllegalArgumentException("Parameter nodeId is required and cannot be null."));
        return null;
    }
    if (this.client.apiVersion() == null) {
        serviceCallback.failure(new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null."));
        return null;
    }
    Validator.validate(computeNodeGetRemoteDesktopOptions, serviceCallback);
    Integer timeout = null;
    if (computeNodeGetRemoteDesktopOptions != null) {
        timeout = computeNodeGetRemoteDesktopOptions.timeout();
    }
    String clientRequestId = null;
    if (computeNodeGetRemoteDesktopOptions != null) {
        clientRequestId = computeNodeGetRemoteDesktopOptions.clientRequestId();
    }
    Boolean returnClientRequestId = null;
    if (computeNodeGetRemoteDesktopOptions != null) {
        returnClientRequestId = computeNodeGetRemoteDesktopOptions.returnClientRequestId();
    }
    DateTime ocpDate = null;
    if (computeNodeGetRemoteDesktopOptions != null) {
        ocpDate = computeNodeGetRemoteDesktopOptions.ocpDate();
    }
    DateTimeRfc1123 ocpDateConverted = null;
    if (ocpDate != null) {
        ocpDateConverted = new DateTimeRfc1123(ocpDate);
    }
    Call<ResponseBody> call = service.getRemoteDesktop(poolId, nodeId, this.client.apiVersion(), this.client.acceptLanguage(), timeout, clientRequestId, returnClientRequestId, ocpDateConverted, this.client.userAgent());
    final ServiceCall serviceCall = new ServiceCall(call);
    call.enqueue(new ServiceResponseCallback<InputStream>(serviceCallback) {

        @Override
        public void onResponse(Call<ResponseBody> call, Response<ResponseBody> response) {
            try {
                serviceCallback.success(getRemoteDesktopDelegate(response));
            } catch (BatchErrorException | IOException exception) {
                serviceCallback.failure(exception);
            }
        }
    });
    return serviceCall;
}