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/*
* 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.content.pm;
import android.annotation.IntRange;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.Parcel;
import android.os.Parcelable;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Encapsulates a package and its version code.
*/
public final class VersionedPackage implements Parcelable {
private final String mPackageName;
private final long mVersionCode;
/** @hide */
@Retention(RetentionPolicy.SOURCE)
@IntRange(from = PackageManager.VERSION_CODE_HIGHEST)
public @interface VersionCode{}
/**
* Creates a new instance. Use {@link PackageManager#VERSION_CODE_HIGHEST}
* to refer to the highest version code of this package.
* @param packageName The package name.
* @param versionCode The version code.
*/
public VersionedPackage(@NonNull String packageName,
@VersionCode int versionCode) {
mPackageName = packageName;
mVersionCode = versionCode;
}
/**
* Creates a new instance. Use {@link PackageManager#VERSION_CODE_HIGHEST}
* to refer to the highest version code of this package.
* @param packageName The package name.
* @param versionCode The version code.
*/
public VersionedPackage(@NonNull String packageName,
@VersionCode long versionCode) {
mPackageName = packageName;
mVersionCode = versionCode;
}
private VersionedPackage(Parcel parcel) {
mPackageName = parcel.readString8();
mVersionCode = parcel.readLong();
}
/**
* Gets the package name.
*
* @return The package name.
*/
public @NonNull String getPackageName() {
return mPackageName;
}
/**
* @deprecated use {@link #getLongVersionCode()} instead.
*/
@Deprecated
public @VersionCode int getVersionCode() {
return (int) (mVersionCode & 0x7fffffff);
}
/**
* Gets the version code.
*
* @return The version code.
*/
public @VersionCode long getLongVersionCode() {
return mVersionCode;
}
@Override
public String toString() {
return "VersionedPackage[" + mPackageName + "/" + mVersionCode + "]";
}
@Override
public boolean equals(@Nullable Object o) {
return o instanceof VersionedPackage
&& ((VersionedPackage) o).mPackageName.equals(mPackageName)
&& ((VersionedPackage) o).mVersionCode == mVersionCode;
}
@Override
public int hashCode() {
// Roll our own hash function without using Objects#hash which incurs the overhead
// of autoboxing.
return 31 * mPackageName.hashCode() + Long.hashCode(mVersionCode);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel parcel, int flags) {
parcel.writeString8(mPackageName);
parcel.writeLong(mVersionCode);
}
public static final @android.annotation.NonNull Creator<VersionedPackage> CREATOR = new Creator<VersionedPackage>() {
@Override
public VersionedPackage createFromParcel(Parcel source) {
return new VersionedPackage(source);
}
@Override
public VersionedPackage[] newArray(int size) {
return new VersionedPackage[size];
}
};
}
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