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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.eclipse.aether.spi.io;
20  
21  import java.io.IOException;
22  import java.nio.file.Path;
23  
24  /**
25   * A utility component to perform checksum related operations.
26   *
27   * @since 2.0.0
28   */
29  public interface ChecksumProcessor {
30      /**
31       * Reads checksum from specified file.
32       *
33       * @throws IOException in case of any IO error.
34       * @since 1.8.0
35       */
36      String readChecksum(Path checksumFile) throws IOException;
37  
38      /**
39       * Writes checksum to specified file.
40       *
41       * @throws IOException in case of any IO error.
42       * @since 1.8.0
43       */
44      void writeChecksum(Path checksumFile, String checksum) throws IOException;
45  }