xref: /frameworks/base/core/java/android/util/apk/DataDigester.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 android.util.apk;

import java.nio.ByteBuffer;

interface DataDigester {
    /** Consumes the {@link ByteBuffer}. */
    void consume(ByteBuffer buffer);

    /** Finishes the digestion. Must be called after the last {@link #consume(ByteBuffer)}. */
    void finish();
}