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/*
* Copyright (C) 2021 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 com.android.queryable.util;
import android.os.Parcel;
import android.os.Parcelable;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/** A wrapper around a {@link Parcelable} which makes it {@link Serializable}. */
public class SerializableParcelWrapper<E extends Parcelable> implements Serializable {
private static final long serialVersionUID = 0;
private E mParcelable;
public SerializableParcelWrapper(E parcelable) {
mParcelable = parcelable;
}
public E get() {
return mParcelable;
}
@Override
public boolean equals(Object obj) {
if (!(obj instanceof SerializableParcelWrapper)) {
return false;
}
SerializableParcelWrapper<E> other = (SerializableParcelWrapper<E>) obj;
if (mParcelable == null) {
return other.mParcelable == null;
}
return mParcelable.equals(other.mParcelable);
}
@Override
public int hashCode() {
return mParcelable.hashCode();
}
// Serializable readObject
private void readObject(ObjectInputStream inputStream) throws ClassNotFoundException,
IOException {
int size = inputStream.readInt();
byte[] bytes = new byte[size];
inputStream.read(bytes);
Parcel p = Parcel.obtain();
p.unmarshall(bytes, 0, size);
p.setDataPosition(0);
mParcelable = p.readParcelable(Parcelable.class.getClassLoader());
p.recycle();
}
// Serializable writeObject
private void writeObject(ObjectOutputStream outputStream) throws IOException {
Parcel p = Parcel.obtain();
p.writeParcelable(mParcelable, /* flags= */ 0);
byte[] bytes = p.marshall();
p.recycle();
outputStream.writeInt(bytes.length);
outputStream.write(bytes);
}
}
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