mobile/android/base/background/announcements/AnnouncementsFetcher.java@fc2d59ddac77 (annotated)
mobile/android/base/background/announcements/AnnouncementsFetcher.java
Wed, 31 Dec 2014 07:22:50 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 07:22:50 +0100
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
- permissions
- -rw-r--r--
Correct previous dual key logic pending first delivery installment.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | package org.mozilla.gecko.background.announcements; |
| michael@0 | 6 | |
| michael@0 | 7 | import java.io.UnsupportedEncodingException; |
| michael@0 | 8 | import java.net.URI; |
| michael@0 | 9 | import java.net.URISyntaxException; |
| michael@0 | 10 | import java.net.URLEncoder; |
| michael@0 | 11 | |
| michael@0 | 12 | import org.mozilla.gecko.background.common.GlobalConstants; |
| michael@0 | 13 | import org.mozilla.gecko.background.common.log.Logger; |
| michael@0 | 14 | import org.mozilla.gecko.sync.net.BaseResource; |
| michael@0 | 15 | |
| michael@0 | 16 | public class AnnouncementsFetcher { |
| michael@0 | 17 | private static final String LOG_TAG = "AnnounceFetch"; |
| michael@0 | 18 | private static final long MILLISECONDS_PER_DAY = 24 * 60 * 60 * 1000; |
| michael@0 | 19 | |
| michael@0 | 20 | public static URI getSnippetURI(String base, String channel, |
| michael@0 | 21 | String version, String platform, |
| michael@0 | 22 | int idleDays) |
| michael@0 | 23 | throws URISyntaxException { |
| michael@0 | 24 | try { |
| michael@0 | 25 | final String c = URLEncoder.encode(channel, "UTF-8"); |
| michael@0 | 26 | final String v = URLEncoder.encode(version, "UTF-8"); |
| michael@0 | 27 | final String p = URLEncoder.encode(platform, "UTF-8"); |
| michael@0 | 28 | final String s = base + c + "/" + v + "/" + p + ((idleDays == -1) ? "" : ("?idle=" + idleDays)); |
| michael@0 | 29 | return new URI(s); |
| michael@0 | 30 | } catch (UnsupportedEncodingException e) { |
| michael@0 | 31 | // Nonsense. |
| michael@0 | 32 | return null; |
| michael@0 | 33 | } |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | public static URI getAnnounceURI(final String baseURL, final long lastLaunch) throws URISyntaxException { |
| michael@0 | 37 | final String channel = getChannel(); |
| michael@0 | 38 | final String version = getVersion(); |
| michael@0 | 39 | final String platform = getPlatform(); |
| michael@0 | 40 | final int idleDays = getIdleDays(lastLaunch); |
| michael@0 | 41 | |
| michael@0 | 42 | Logger.debug(LOG_TAG, "Fetch URI: idle for " + idleDays + " days."); |
| michael@0 | 43 | return getSnippetURI(baseURL, channel, version, platform, idleDays); |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | protected static String getChannel() { |
| michael@0 | 47 | return AnnouncementsConstants.ANNOUNCE_CHANNEL; |
| michael@0 | 48 | } |
| michael@0 | 49 | |
| michael@0 | 50 | protected static String getVersion() { |
| michael@0 | 51 | return GlobalConstants.MOZ_APP_VERSION; |
| michael@0 | 52 | } |
| michael@0 | 53 | |
| michael@0 | 54 | protected static String getPlatform() { |
| michael@0 | 55 | return GlobalConstants.ANDROID_CPU_ARCH; |
| michael@0 | 56 | } |
| michael@0 | 57 | |
| michael@0 | 58 | /** |
| michael@0 | 59 | * Return the number of days that we've been idle, assuming that we have a |
| michael@0 | 60 | * sane last launch time and the current time is within range. If no sane idle |
| michael@0 | 61 | * time can be returned, we return -1. |
| michael@0 | 62 | * |
| michael@0 | 63 | * @param lastLaunch |
| michael@0 | 64 | * Time at which the browser was last launched, in milliseconds since epoch. |
| michael@0 | 65 | * @param now |
| michael@0 | 66 | * Milliseconds since epoch for which idle time should be calculated. |
| michael@0 | 67 | * @return number of idle days, or -1 if out of range. |
| michael@0 | 68 | */ |
| michael@0 | 69 | protected static int getIdleDays(final long lastLaunch, final long now) { |
| michael@0 | 70 | if (lastLaunch <= 0) { |
| michael@0 | 71 | return -1; |
| michael@0 | 72 | } |
| michael@0 | 73 | |
| michael@0 | 74 | if (now < GlobalConstants.BUILD_TIMESTAMP_MSEC) { |
| michael@0 | 75 | Logger.warn(LOG_TAG, "Current time " + now + " earlier than build date. Not calculating idle."); |
| michael@0 | 76 | return -1; |
| michael@0 | 77 | } |
| michael@0 | 78 | |
| michael@0 | 79 | if (now < lastLaunch) { |
| michael@0 | 80 | Logger.warn(LOG_TAG, "Current time " + now + " earlier than last launch! Not calculating idle."); |
| michael@0 | 81 | return -1; |
| michael@0 | 82 | } |
| michael@0 | 83 | |
| michael@0 | 84 | final long idleMillis = now - lastLaunch; |
| michael@0 | 85 | final int idleDays = (int) (idleMillis / MILLISECONDS_PER_DAY); |
| michael@0 | 86 | |
| michael@0 | 87 | if (idleDays > AnnouncementsConstants.MAX_SANE_IDLE_DAYS) { |
| michael@0 | 88 | Logger.warn(LOG_TAG, "Idle from " + lastLaunch + " until " + now + |
| michael@0 | 89 | ", which is insane. Not calculating idle."); |
| michael@0 | 90 | return -1; |
| michael@0 | 91 | } |
| michael@0 | 92 | |
| michael@0 | 93 | return idleDays; |
| michael@0 | 94 | } |
| michael@0 | 95 | |
| michael@0 | 96 | /** |
| michael@0 | 97 | * Return the number of days that we've been idle, assuming that we have a |
| michael@0 | 98 | * sane last launch time and the current time is within range. If no sane idle |
| michael@0 | 99 | * time can be returned, we return -1. |
| michael@0 | 100 | * The current time will be calculated from {@link System#currentTimeMillis()}. |
| michael@0 | 101 | * |
| michael@0 | 102 | * @param lastLaunch |
| michael@0 | 103 | * Unix timestamp at which the browser was last launched. |
| michael@0 | 104 | * @return number of idle days, or -1 if out of range. |
| michael@0 | 105 | */ |
| michael@0 | 106 | protected static int getIdleDays(final long lastLaunch) { |
| michael@0 | 107 | final long now = System.currentTimeMillis(); |
| michael@0 | 108 | return getIdleDays(lastLaunch, now); |
| michael@0 | 109 | } |
| michael@0 | 110 | |
| michael@0 | 111 | public static void fetchAnnouncements(URI uri, AnnouncementsFetchDelegate delegate) { |
| michael@0 | 112 | BaseResource r = new BaseResource(uri); |
| michael@0 | 113 | r.delegate = new AnnouncementsFetchResourceDelegate(r, delegate); |
| michael@0 | 114 | r.getBlocking(); |
| michael@0 | 115 | } |
| michael@0 | 116 | |
| michael@0 | 117 | /** |
| michael@0 | 118 | * Synchronous. |
| michael@0 | 119 | */ |
| michael@0 | 120 | public static void fetchAndProcessAnnouncements(long lastLaunch, |
| michael@0 | 121 | AnnouncementsFetchDelegate delegate) { |
| michael@0 | 122 | final long now = System.currentTimeMillis(); |
| michael@0 | 123 | Logger.debug(LOG_TAG, "Fetching announcements. Last launch: " + lastLaunch + "; now: " + now); |
| michael@0 | 124 | try { |
| michael@0 | 125 | final String base = delegate.getServiceURL(); |
| michael@0 | 126 | final URI uri = getAnnounceURI(base, lastLaunch); |
| michael@0 | 127 | Logger.info(LOG_TAG, "Fetching announcements from " + uri.toASCIIString()); |
| michael@0 | 128 | fetchAnnouncements(uri, delegate); |
| michael@0 | 129 | } catch (URISyntaxException e) { |
| michael@0 | 130 | Logger.warn(LOG_TAG, "Couldn't create URL.", e); |
| michael@0 | 131 | return; |
| michael@0 | 132 | } |
| michael@0 | 133 | } |
| michael@0 | 134 | } |
