| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.provider; |
| |
| import android.net.Uri; |
| |
| /** |
| * A set of constants for implementing a time zone data content provider, which is used by the time |
| * zone updater application. |
| * |
| * @hide |
| */ |
| // TODO(nfuller): Expose necessary APIs for OEMs with @SystemApi. http://b/31008728 |
| public final class TimeZoneRulesDataContract { |
| |
| private TimeZoneRulesDataContract() {} |
| |
| /** |
| * The authority that <em>must</em> be used for the time zone data content provider. |
| * To be accepted by the time zone updater application it <em>must</em> be exposed by the |
| * package specified in the config_timeZoneRulesDataPackage config value. |
| */ |
| public static final String AUTHORITY = "com.android.timezone"; |
| |
| /** A content:// style uri to the authority for the time zone data content provider */ |
| private static final Uri AUTHORITY_URI = Uri.parse("content://" + AUTHORITY); |
| |
| /** |
| * Defines fields exposed through the {@link Operation#CONTENT_URI} for describing a time zone |
| * distro operation. |
| */ |
| public static final class Operation { |
| |
| /** Not instantiable. */ |
| private Operation() { |
| } |
| |
| /** |
| * The content:// style URI for determining what type of update is available. |
| * |
| * <p>The URI can be queried using |
| * {@link android.content.ContentProvider#query(Uri, String[], String, String[], String)}; |
| * the result will be a cursor with a single row. If the {@link Operation#COLUMN_TYPE} |
| * column is {@link Operation#TYPE_INSTALL} then |
| * {@link android.content.ContentProvider#openFile(Uri, String)} can be used with "r" mode |
| * to obtain the binary data. |
| */ |
| public static final Uri CONTENT_URI = Uri.withAppendedPath(AUTHORITY_URI, "operation"); |
| |
| /** |
| * The {@code String} column of the {@link #CONTENT_URI} that provides an int specifying |
| * the type of operation to perform. See {@link #TYPE_NO_OP}, |
| * {@link #TYPE_UNINSTALL} and {@link #TYPE_INSTALL}. |
| */ |
| public static final String COLUMN_TYPE = "type"; |
| |
| /** |
| * An operation type used when the current time zone rules on device should be replaced by |
| * a new set obtained via the {@link android.content.ContentProvider#openFile(Uri, String)} |
| * method. |
| */ |
| public static final String TYPE_INSTALL = "INSTALL"; |
| |
| /** |
| * An operation type used when the current time zone rules on device should be uninstalled, |
| * returning to the values held in the system partition. |
| */ |
| public static final String TYPE_UNINSTALL = "UNINSTALL"; |
| |
| /** |
| * An operation type used when the time zone rules on device should be left as they are. |
| * This is not expected to be used in normal operation but a safe result in the event of an |
| * error that cannot be recovered from. |
| */ |
| public static final String TYPE_NO_OP = "NOOP"; |
| |
| /** |
| * The {@code nullable int} column of the {@link #CONTENT_URI} that describes the major |
| * version of the distro to be installed. |
| * Only non-null if {@link #COLUMN_TYPE} contains {@link #TYPE_INSTALL}. |
| */ |
| public static final String COLUMN_DISTRO_MAJOR_VERSION = "distro_major_version"; |
| |
| /** |
| * The {@code nullable int} column of the {@link #CONTENT_URI} that describes the minor |
| * version of the distro to be installed. |
| * Only non-null if {@link #COLUMN_TYPE} contains {@link #TYPE_INSTALL}. |
| */ |
| public static final String COLUMN_DISTRO_MINOR_VERSION = "distro_minor_version"; |
| |
| /** |
| * The {@code nullable String} column of the {@link #CONTENT_URI} that describes the IANA |
| * rules version of the distro to be installed. |
| * Only non-null if {@link #COLUMN_TYPE} contains {@link #TYPE_INSTALL}. |
| */ |
| public static final String COLUMN_RULES_VERSION = "rules_version"; |
| |
| /** |
| * The {@code nullable int} column of the {@link #CONTENT_URI} that describes the revision |
| * number of the distro to be installed. |
| * Only non-null if {@link #COLUMN_TYPE} contains {@link #TYPE_INSTALL}. |
| */ |
| public static final String COLUMN_REVISION = "revision"; |
| } |
| } |