Parcelable Serializer for ContentProviders

LocalCursors.java

/* LocalCursors.java: Parcelable Serializer
 * Copyright (C) 2015 Takahiro Yoshimura <altakey@gmail.com>.  All rights reserved.
 *
 * 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.gmail.altakey.hack;

import android.os.Parcel;
import android.os.Parcelable;

public class LocalCursors {
    private static final ClassLoader L = new LocalCursors().getClass().getClassLoader();

    /**
     * Serializes the given object into blob.
     */
    public static byte[] dehydrated(final Parcelable p) {
        final Parcel t = Parcel.obtain();
        try {
            t.writeParcelable(p, 0);
            return t.marshall();
        } finally {
            t.recycle();
        }
    }

    /**
     * Unserializes object from the given blob.
     */
    public static <T extends Parcelable> T hydrated(final byte[] b) {
        final Parcel t = Parcel.obtain();
        try {
            t.unmarshall(b, 0, b.length);
            t.setDataPosition(0);
            return t.readParcelable(L);
        } finally {
            t.recycle();
        }
    }
}