Neil Fuller | bede17c | 2017-03-16 18:29:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.app.timezone; |
| 18 | |
| 19 | import static android.app.timezone.Utils.validateRulesVersion; |
| 20 | import static android.app.timezone.Utils.validateVersion; |
| 21 | |
| 22 | import android.os.Parcel; |
| 23 | import android.os.Parcelable; |
| 24 | |
| 25 | /** |
| 26 | * Versioning information about a set of time zone rules. |
| 27 | * |
| 28 | * <p>The following properties are included: |
| 29 | * <dl> |
| 30 | * <dt>rulesVersion</dt> |
| 31 | * <dd>the IANA rules version. e.g. "2017a"</dd> |
| 32 | * <dt>revision</dt> |
| 33 | * <dd>the revision for the rules. Allows there to be several revisions for a given IANA rules |
| 34 | * release. Numerically higher is newer.</dd> |
| 35 | * </dl> |
| 36 | * |
| 37 | * @hide |
| 38 | */ |
Neil Fuller | bede17c | 2017-03-16 18:29:36 +0000 | [diff] [blame] | 39 | public final class DistroRulesVersion implements Parcelable { |
| 40 | |
| 41 | private final String mRulesVersion; |
| 42 | private final int mRevision; |
| 43 | |
| 44 | public DistroRulesVersion(String rulesVersion, int revision) { |
| 45 | mRulesVersion = validateRulesVersion("rulesVersion", rulesVersion); |
| 46 | mRevision = validateVersion("revision", revision); |
| 47 | } |
| 48 | |
Jeff Sharkey | 9e8f83d | 2019-02-28 12:06:45 -0700 | [diff] [blame] | 49 | public static final @android.annotation.NonNull Creator<DistroRulesVersion> CREATOR = new Creator<DistroRulesVersion>() { |
Neil Fuller | bede17c | 2017-03-16 18:29:36 +0000 | [diff] [blame] | 50 | public DistroRulesVersion createFromParcel(Parcel in) { |
| 51 | String rulesVersion = in.readString(); |
| 52 | int revision = in.readInt(); |
| 53 | return new DistroRulesVersion(rulesVersion, revision); |
| 54 | } |
| 55 | |
| 56 | public DistroRulesVersion[] newArray(int size) { |
| 57 | return new DistroRulesVersion[size]; |
| 58 | } |
| 59 | }; |
| 60 | |
| 61 | public String getRulesVersion() { |
| 62 | return mRulesVersion; |
| 63 | } |
| 64 | |
| 65 | public int getRevision() { |
| 66 | return mRevision; |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Returns true if this DistroRulesVersion is older than the one supplied. It returns false if |
| 71 | * it is the same or newer. This method compares the {@code rulesVersion} and the |
| 72 | * {@code revision}. |
| 73 | */ |
| 74 | public boolean isOlderThan(DistroRulesVersion distroRulesVersion) { |
| 75 | int rulesComparison = mRulesVersion.compareTo(distroRulesVersion.mRulesVersion); |
| 76 | if (rulesComparison < 0) { |
| 77 | return true; |
| 78 | } |
| 79 | if (rulesComparison > 0) { |
| 80 | return false; |
| 81 | } |
| 82 | return mRevision < distroRulesVersion.mRevision; |
| 83 | } |
| 84 | |
| 85 | @Override |
| 86 | public int describeContents() { |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | @Override |
| 91 | public void writeToParcel(Parcel out, int flags) { |
| 92 | out.writeString(mRulesVersion); |
| 93 | out.writeInt(mRevision); |
| 94 | } |
| 95 | |
| 96 | @Override |
| 97 | public boolean equals(Object o) { |
| 98 | if (this == o) { |
| 99 | return true; |
| 100 | } |
| 101 | if (o == null || getClass() != o.getClass()) { |
| 102 | return false; |
| 103 | } |
| 104 | |
| 105 | DistroRulesVersion that = (DistroRulesVersion) o; |
| 106 | |
| 107 | if (mRevision != that.mRevision) { |
| 108 | return false; |
| 109 | } |
| 110 | return mRulesVersion.equals(that.mRulesVersion); |
| 111 | } |
| 112 | |
| 113 | @Override |
| 114 | public int hashCode() { |
| 115 | int result = mRulesVersion.hashCode(); |
| 116 | result = 31 * result + mRevision; |
| 117 | return result; |
| 118 | } |
| 119 | |
| 120 | @Override |
| 121 | public String toString() { |
| 122 | return "DistroRulesVersion{" |
| 123 | + "mRulesVersion='" + mRulesVersion + '\'' |
| 124 | + ", mRevision='" + mRevision + '\'' |
| 125 | + '}'; |
| 126 | } |
Neil Fuller | 87b1128 | 2017-06-23 16:43:45 +0100 | [diff] [blame] | 127 | |
| 128 | public String toDumpString() { |
| 129 | return mRulesVersion + "," + mRevision; |
| 130 | } |
Neil Fuller | bede17c | 2017-03-16 18:29:36 +0000 | [diff] [blame] | 131 | } |