001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.eclipse.aether.spi.io;
020
021import java.io.IOException;
022import java.nio.file.Path;
023
024/**
025 * A utility component to perform checksum related operations.
026 *
027 * @since 2.0.0
028 */
029public interface ChecksumProcessor {
030    /**
031     * Reads checksum from specified file.
032     *
033     * @throws IOException in case of any IO error.
034     * @since 1.8.0
035     */
036    String readChecksum(Path checksumFile) throws IOException;
037
038    /**
039     * Writes checksum to specified file.
040     *
041     * @throws IOException in case of any IO error.
042     * @since 1.8.0
043     */
044    void writeChecksum(Path checksumFile, String checksum) throws IOException;
045}