package android.net;
import static android.os.UserHandle.PER_USER_RANGE;
import android.os.Parcel;
import android.os.Parcelable;
public final class UidRange implements Parcelable {
public final int start;
public final int stop;
public UidRange(int startUid, int stopUid) {
if (startUid < 0) throw new IllegalArgumentException("Invalid start UID.");
if (stopUid < 0) throw new IllegalArgumentException("Invalid stop UID.");
if (startUid > stopUid) throw new IllegalArgumentException("Invalid UID range.");
start = startUid;
stop = stopUid;
}
public static UidRange createForUser(int userId) {
return new UidRange(userId * PER_USER_RANGE, (userId + 1) * PER_USER_RANGE - 1);
}
public int getStartUser() {
return start / PER_USER_RANGE;
}
public boolean contains(int uid) {
return start <= uid && uid <= stop;
}
public int count() {
return 1 + stop - start;
}
public boolean containsRange(UidRange other) {
return start <= other.start && other.stop <= stop;
}
@Override
public int hashCode() {
int result = 17;
result = 31 * result + start;
result = 31 * result + stop;
return result;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o instanceof UidRange) {
UidRange other = (UidRange) o;
return start == other.start && stop == other.stop;
}
return false;
}
@Override
public String toString() {
return start + "-" + stop;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(start);
dest.writeInt(stop);
}
public static final Creator<UidRange> CREATOR =
new Creator<UidRange>() {
@Override
public UidRange createFromParcel(Parcel in) {
int start = in.readInt();
int stop = in.readInt();
return new UidRange(start, stop);
}
@Override
public UidRange[] newArray(int size) {
return new UidRange[size];
}
};
}