| /* |
| * 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.timezone; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| /** |
| * Versioning information about a distro's format or a device's supported format. |
| * |
| * <p>The following properties are included: |
| * <dl> |
| * <dt>majorVersion</dt> |
| * <dd>the major distro format version. Major versions differences are not compatible - e.g. |
| * 2 is not compatible with 1 or 3.</dd> |
| * <dt>minorVersion</dt> |
| * <dd>the minor distro format version. Minor versions should be backwards compatible iff the |
| * major versions match exactly, i.e. version 2.2 will be compatible with 2.1 devices but not |
| * 2.3 devices.</dd> |
| * </dl> |
| * |
| * @hide |
| */ |
| public final class DistroFormatVersion implements Parcelable { |
| |
| private final int mMajorVersion; |
| private final int mMinorVersion; |
| |
| public DistroFormatVersion(int majorVersion, int minorVersion) { |
| mMajorVersion = Utils.validateVersion("major", majorVersion); |
| mMinorVersion = Utils.validateVersion("minor", minorVersion); |
| } |
| |
| public static final Creator<DistroFormatVersion> CREATOR = new Creator<DistroFormatVersion>() { |
| public DistroFormatVersion createFromParcel(Parcel in) { |
| int majorVersion = in.readInt(); |
| int minorVersion = in.readInt(); |
| return new DistroFormatVersion(majorVersion, minorVersion); |
| } |
| |
| public DistroFormatVersion[] newArray(int size) { |
| return new DistroFormatVersion[size]; |
| } |
| }; |
| |
| public int getMajorVersion() { |
| return mMajorVersion; |
| } |
| |
| public int getMinorVersion() { |
| return mMinorVersion; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(mMajorVersion); |
| out.writeInt(mMinorVersion); |
| } |
| |
| /** |
| * If this object describes a device's supported version and the parameter describes a distro's |
| * version, this method returns whether the device would accept the distro. |
| */ |
| public boolean supports(DistroFormatVersion distroFormatVersion) { |
| return mMajorVersion == distroFormatVersion.mMajorVersion |
| && mMinorVersion <= distroFormatVersion.mMinorVersion; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| |
| DistroFormatVersion that = (DistroFormatVersion) o; |
| |
| if (mMajorVersion != that.mMajorVersion) { |
| return false; |
| } |
| return mMinorVersion == that.mMinorVersion; |
| } |
| |
| @Override |
| public int hashCode() { |
| int result = mMajorVersion; |
| result = 31 * result + mMinorVersion; |
| return result; |
| } |
| |
| @Override |
| public String toString() { |
| return "DistroFormatVersion{" |
| + "mMajorVersion=" + mMajorVersion |
| + ", mMinorVersion=" + mMinorVersion |
| + '}'; |
| } |
| } |