ParcelUtils.java
/*
* Copyright 2018 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 androidx.versionedparcelable;
import static androidx.annotation.RestrictTo.Scope.LIBRARY_GROUP;
import android.os.Parcelable;
import androidx.annotation.RestrictTo;
import java.io.InputStream;
import java.io.OutputStream;
/**
* @hide
*/
@RestrictTo(LIBRARY_GROUP)
public class ParcelUtils {
private ParcelUtils() { }
/**
* Turn a VersionedParcelable into a Parcelable
*/
public static Parcelable toParcelable(VersionedParcelable obj) {
return new ParcelImpl(obj);
}
/**
* Turn a Parcelable into a VersionedParcelable.
*/
@SuppressWarnings("TypeParameterUnusedInFormals")
public static <T extends VersionedParcelable> T fromParcelable(Parcelable p) {
if (!(p instanceof ParcelImpl)) {
throw new IllegalArgumentException("Invalid parcel");
}
return ((ParcelImpl) p).getVersionedParcel();
}
/**
* Write a VersionedParcelable into an OutputStream.
*/
public static void toOutputStream(VersionedParcelable obj, OutputStream output) {
VersionedParcelStream stream = new VersionedParcelStream(null, output);
stream.writeVersionedParcelable(obj);
stream.closeField();
}
/**
* Read a VersionedParcelable from an InputStream.
*/
@SuppressWarnings("TypeParameterUnusedInFormals")
public static <T extends VersionedParcelable> T fromInputStream(InputStream input) {
VersionedParcelStream stream = new VersionedParcelStream(input, null);
return stream.readVersionedParcelable();
}
}