| /* |
| * 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.app.admin; |
| |
| import android.annotation.Nullable; |
| import android.os.Build; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.IOException; |
| import java.util.Objects; |
| |
| /** |
| * A class containing information about a pending system update. |
| */ |
| public final class SystemUpdateInfo implements Parcelable { |
| private static final String ATTR_RECEIVED_TIME = "mReceivedTime"; |
| // Tag used to store original build fingerprint to detect when the update is applied. |
| private static final String ATTR_ORIGINAL_BUILD = "originalBuild"; |
| private final long mReceivedTime; |
| |
| private SystemUpdateInfo(long receivedTime) { |
| this.mReceivedTime = receivedTime; |
| } |
| |
| private SystemUpdateInfo(Parcel in) { |
| mReceivedTime = in.readLong(); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Nullable |
| public static SystemUpdateInfo of(long receivedTime) { |
| return receivedTime == -1 ? null : new SystemUpdateInfo(receivedTime); |
| } |
| |
| /** |
| * Get time when the update was first available. |
| * @return time as given by {@link System#currentTimeMillis()} |
| */ |
| public long getReceivedTime() { |
| return mReceivedTime; |
| } |
| |
| public static final Creator<SystemUpdateInfo> CREATOR = |
| new Creator<SystemUpdateInfo>() { |
| @Override |
| public SystemUpdateInfo createFromParcel(Parcel in) { |
| return new SystemUpdateInfo(in); |
| } |
| |
| @Override |
| public SystemUpdateInfo[] newArray(int size) { |
| return new SystemUpdateInfo[size]; |
| } |
| }; |
| |
| /** |
| * @hide |
| */ |
| public void writeToXml(XmlSerializer out, String tag) throws IOException { |
| out.startTag(null, tag); |
| out.attribute(null, ATTR_RECEIVED_TIME, String.valueOf(mReceivedTime)); |
| out.attribute(null, ATTR_ORIGINAL_BUILD , Build.FINGERPRINT); |
| out.endTag(null, tag); |
| } |
| |
| /** |
| * @hide |
| */ |
| @Nullable |
| public static SystemUpdateInfo readFromXml(XmlPullParser parser) { |
| // If an OTA has been applied (build fingerprint has changed), discard stale info. |
| final String buildFingerprint = parser.getAttributeValue(null, ATTR_ORIGINAL_BUILD ); |
| if (!Build.FINGERPRINT.equals(buildFingerprint)) { |
| return null; |
| } |
| final long receivedTime = |
| Long.parseLong(parser.getAttributeValue(null, ATTR_RECEIVED_TIME)); |
| return of(receivedTime); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeLong(getReceivedTime()); |
| } |
| |
| @Override |
| public String toString() { |
| return String.format("SystemUpdateInfo (receivedTime = %d)", mReceivedTime); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| SystemUpdateInfo that = (SystemUpdateInfo) o; |
| return mReceivedTime == that.mReceivedTime; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(mReceivedTime); |
| } |
| } |