Java Code Examples for com.squareup.okhttp.ResponseSource#CACHE

The following examples show how to use com.squareup.okhttp.ResponseSource#CACHE . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: HttpEngine.java From L.TileLayer.Cordova with MIT License

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache != null) {
    responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    client.getConnectionPool().recycle(connection);
    connection = null;
  }
}

Example 2

Source File: HttpEngine.java From crosswalk-cordova-android with Apache License 2.0

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache != null) {
    responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    client.getConnectionPool().recycle(connection);
    connection = null;
  }
}

Example 3

Source File: HttpEngine.java From CordovaYoutubeVideoPlayer with MIT License

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches()) return;

  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache == null) return;

  CacheResponse candidate = responseCache.get(
      uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) return;

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 4

Source File: HttpEngine.java From reader with MIT License

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache != null) {
    responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    client.getConnectionPool().recycle(connection);
    connection = null;
  }
}

Example 5

Source File: HttpEngine.java From cordova-android-chromeview with Apache License 2.0

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  if (policy.responseCache != null) {
    policy.responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    policy.connectionPool.recycle(connection);
    policy.getFailedRoutes().remove(connection.getRoute());
    connection = null;
  }
}

Example 6

Source File: HttpEngine.java From phonegap-plugin-loading-spinner with Apache License 2.0

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches() || policy.responseCache == null) {
    return;
  }

  CacheResponse candidate =
      policy.responseCache.get(uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) {
    return;
  }

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 7

Source File: HttpEngine.java From cordova-amazon-fireos with Apache License 2.0

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches()) return;

  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache == null) return;

  CacheResponse candidate = responseCache.get(
      uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) return;

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 8

Source File: HttpEngine.java From android-discourse with Apache License 2.0

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
    responseSource = ResponseSource.NETWORK;
    if (!policy.getUseCaches())
        return;

    OkResponseCache responseCache = client.getOkResponseCache();
    if (responseCache == null)
        return;

    CacheResponse candidate = responseCache.get(uri, method, requestHeaders.getHeaders().toMultimap(false));
    if (candidate == null)
        return;

    Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
    cachedResponseBody = candidate.getBody();
    if (!acceptCacheResponseType(candidate) || responseHeadersMap == null || cachedResponseBody == null) {
        Util.closeQuietly(cachedResponseBody);
        return;
    }

    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
    cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
    long now = System.currentTimeMillis();
    this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
    if (responseSource == ResponseSource.CACHE) {
        this.cacheResponse = candidate;
        setResponse(cachedResponseHeaders, cachedResponseBody);
    } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
        this.cacheResponse = candidate;
    } else if (responseSource == ResponseSource.NETWORK) {
        Util.closeQuietly(cachedResponseBody);
    } else {
        throw new AssertionError();
    }
}

Example 9

Source File: HttpEngine.java From wildfly-samples with MIT License

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache != null) {
    responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    client.getConnectionPool().recycle(connection);
    connection = null;
  }
}

Example 10

Source File: HttpEngine.java From IoTgo_Android_App with MIT License

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches()) return;

  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache == null) return;

  CacheResponse candidate = responseCache.get(
      uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) return;

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 11

Source File: HttpEngine.java From IoTgo_Android_App with MIT License

5 votes

/**
 * Figures out what the response source will be, and opens a socket to that
 * source if necessary. Prepares the request headers and gets ready to start
 * writing the request body if it exists.
 */
public final void sendRequest() throws IOException {
  if (responseSource != null) {
    return;
  }

  prepareRawRequestHeaders();
  initResponseSource();
  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache != null) {
    responseCache.trackResponse(responseSource);
  }

  // The raw response source may require the network, but the request
  // headers may forbid network use. In that case, dispose of the network
  // response and use a GATEWAY_TIMEOUT response instead, as specified
  // by http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9.4.
  if (requestHeaders.isOnlyIfCached() && responseSource.requiresConnection()) {
    if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
      Util.closeQuietly(cachedResponseBody);
    }
    this.responseSource = ResponseSource.CACHE;
    this.cacheResponse = GATEWAY_TIMEOUT_RESPONSE;
    RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(cacheResponse.getHeaders(), true);
    setResponse(new ResponseHeaders(uri, rawResponseHeaders), cacheResponse.getBody());
  }

  if (responseSource.requiresConnection()) {
    sendSocketRequest();
  } else if (connection != null) {
    client.getConnectionPool().recycle(connection);
    connection = null;
  }
}

Example 12

Source File: HttpEngine.java From L.TileLayer.Cordova with MIT License

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches()) return;

  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache == null) return;

  CacheResponse candidate = responseCache.get(
      uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) return;

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 13

Source File: HttpEngine.java From wildfly-samples with MIT License

5 votes

/**
 * Initialize the source for this response. It may be corrected later if the
 * request headers forbids network use.
 */
private void initResponseSource() throws IOException {
  responseSource = ResponseSource.NETWORK;
  if (!policy.getUseCaches()) return;

  OkResponseCache responseCache = client.getOkResponseCache();
  if (responseCache == null) return;

  CacheResponse candidate = responseCache.get(
      uri, method, requestHeaders.getHeaders().toMultimap(false));
  if (candidate == null) return;

  Map<String, List<String>> responseHeadersMap = candidate.getHeaders();
  cachedResponseBody = candidate.getBody();
  if (!acceptCacheResponseType(candidate)
      || responseHeadersMap == null
      || cachedResponseBody == null) {
    Util.closeQuietly(cachedResponseBody);
    return;
  }

  RawHeaders rawResponseHeaders = RawHeaders.fromMultimap(responseHeadersMap, true);
  cachedResponseHeaders = new ResponseHeaders(uri, rawResponseHeaders);
  long now = System.currentTimeMillis();
  this.responseSource = cachedResponseHeaders.chooseResponseSource(now, requestHeaders);
  if (responseSource == ResponseSource.CACHE) {
    this.cacheResponse = candidate;
    setResponse(cachedResponseHeaders, cachedResponseBody);
  } else if (responseSource == ResponseSource.CONDITIONAL_CACHE) {
    this.cacheResponse = candidate;
  } else if (responseSource == ResponseSource.NETWORK) {
    Util.closeQuietly(cachedResponseBody);
  } else {
    throw new AssertionError();
  }
}

Example 14

Source File: ResponseHeaders.java From phonegapbootcampsite with MIT License

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 15

Source File: ResponseHeaders.java From cordova-android-chromeview with Apache License 2.0

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 16

Source File: ResponseHeaders.java From android-discourse with Apache License 2.0

4 votes

/**
 * Returns the source to satisfy {@code request} given this cached response.
 */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
    // If this response shouldn't have been stored, it should never be used
    // as a response source. This check should be redundant as long as the
    // persistence store is well-behaved and the rules are constant.
    if (!isCacheable(request)) {
        return ResponseSource.NETWORK;
    }

    if (request.isNoCache() || request.hasConditions()) {
        return ResponseSource.NETWORK;
    }

    long ageMillis = computeAge(nowMillis);
    long freshMillis = computeFreshnessLifetime();

    if (request.getMaxAgeSeconds() != -1) {
        freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
    }

    long minFreshMillis = 0;
    if (request.getMinFreshSeconds() != -1) {
        minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
    }

    long maxStaleMillis = 0;
    if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
        maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
    }

    if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
        if (ageMillis + minFreshMillis >= freshMillis) {
            headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
        }
        long oneDayMillis = 24 * 60 * 60 * 1000L;
        if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
            headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
        }
        return ResponseSource.CACHE;
    }

    if (lastModified != null) {
        request.setIfModifiedSince(lastModified);
    } else if (servedDate != null) {
        request.setIfModifiedSince(servedDate);
    }

    if (etag != null) {
        request.setIfNoneMatch(etag);
    }

    return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 17

Source File: ResponseHeaders.java From reader with MIT License

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 18

Source File: ResponseHeaders.java From phonegap-plugin-loading-spinner with Apache License 2.0

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 19

Source File: ResponseHeaders.java From IoTgo_Android_App with MIT License

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}

Example 20

Source File: ResponseHeaders.java From CordovaYoutubeVideoPlayer with MIT License

4 votes

/** Returns the source to satisfy {@code request} given this cached response. */
public ResponseSource chooseResponseSource(long nowMillis, RequestHeaders request) {
  // If this response shouldn't have been stored, it should never be used
  // as a response source. This check should be redundant as long as the
  // persistence store is well-behaved and the rules are constant.
  if (!isCacheable(request)) {
    return ResponseSource.NETWORK;
  }

  if (request.isNoCache() || request.hasConditions()) {
    return ResponseSource.NETWORK;
  }

  long ageMillis = computeAge(nowMillis);
  long freshMillis = computeFreshnessLifetime();

  if (request.getMaxAgeSeconds() != -1) {
    freshMillis = Math.min(freshMillis, TimeUnit.SECONDS.toMillis(request.getMaxAgeSeconds()));
  }

  long minFreshMillis = 0;
  if (request.getMinFreshSeconds() != -1) {
    minFreshMillis = TimeUnit.SECONDS.toMillis(request.getMinFreshSeconds());
  }

  long maxStaleMillis = 0;
  if (!mustRevalidate && request.getMaxStaleSeconds() != -1) {
    maxStaleMillis = TimeUnit.SECONDS.toMillis(request.getMaxStaleSeconds());
  }

  if (!noCache && ageMillis + minFreshMillis < freshMillis + maxStaleMillis) {
    if (ageMillis + minFreshMillis >= freshMillis) {
      headers.add("Warning", "110 HttpURLConnection \"Response is stale\"");
    }
    long oneDayMillis = 24 * 60 * 60 * 1000L;
    if (ageMillis > oneDayMillis && isFreshnessLifetimeHeuristic()) {
      headers.add("Warning", "113 HttpURLConnection \"Heuristic expiration\"");
    }
    return ResponseSource.CACHE;
  }

  if (lastModified != null) {
    request.setIfModifiedSince(lastModified);
  } else if (servedDate != null) {
    request.setIfModifiedSince(servedDate);
  }

  if (etag != null) {
    request.setIfNoneMatch(etag);
  }

  return request.hasConditions() ? ResponseSource.CONDITIONAL_CACHE : ResponseSource.NETWORK;
}