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/*
* Copyright (C) 2014 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.backup;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Description of the available restore data for a given package. Returned by a
* BackupTransport in response to a request about the next available restorable
* package.
*
* @see BackupTransport#nextRestorePackage()
*
* @hide
*/
@SystemApi
public class RestoreDescription implements Parcelable {
private final String mPackageName;
private final int mDataType;
private static final String NO_MORE_PACKAGES_SENTINEL = "NO_MORE_PACKAGES";
/**
* Return this constant RestoreDescription from BackupTransport.nextRestorePackage()
* to indicate that no more package data is available in the current restore operation.
*/
public static final RestoreDescription NO_MORE_PACKAGES =
new RestoreDescription(NO_MORE_PACKAGES_SENTINEL, 0);
// ---------------------------------------
// Data type identifiers
/** This package's restore data is an original-style key/value dataset */
public static final int TYPE_KEY_VALUE = 1;
/** This package's restore data is a tarball-type full data stream */
public static final int TYPE_FULL_STREAM = 2;
@NonNull
@Override
public String toString() {
return "RestoreDescription{" + mPackageName + " : "
+ ((mDataType == TYPE_KEY_VALUE) ? "KEY_VALUE" : "STREAM")
+ '}';
}
// ---------------------------------------
// API
public RestoreDescription(String packageName, int dataType) {
mPackageName = packageName;
mDataType = dataType;
}
public String getPackageName() {
return mPackageName;
}
public int getDataType() {
return mDataType;
}
// ---------------------------------------
// Parcelable implementation - not used by transport
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
out.writeString(mPackageName);
out.writeInt(mDataType);
}
public static final @android.annotation.NonNull Parcelable.Creator<RestoreDescription> CREATOR
= new Parcelable.Creator<RestoreDescription>() {
public RestoreDescription createFromParcel(Parcel in) {
final RestoreDescription unparceled = new RestoreDescription(in);
return (NO_MORE_PACKAGES_SENTINEL.equals(unparceled.mPackageName))
? NO_MORE_PACKAGES
: unparceled;
}
public RestoreDescription[] newArray(int size) {
return new RestoreDescription[size];
}
};
private RestoreDescription(Parcel in) {
mPackageName = in.readString();
mDataType = in.readInt();
}
}
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