src/main/java/com/android/apksig/internal/util/ByteBufferUtils.java

/*
 * Copyright (C) 2017 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.apksig.internal.util;

import java.nio.ByteBuffer;

public final class ByteBufferUtils {
    private ByteBufferUtils() {}

    /**
     * Returns the remaining data of the provided buffer as a new byte array and advances the
     * position of the buffer to the buffer's limit.
     */
    public static byte[] toByteArray(ByteBuffer buf) {
        byte[] result = new byte[buf.remaining()];
        buf.get(result);
        return result;
    }
}