1 package org.eclipse.aether.spi.connector.checksum;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import static java.util.Objects.requireNonNull;
23
24 /**
25 * Support class for {@link ChecksumAlgorithmFactory} implementations.
26 *
27 * @since 1.8.0
28 */
29 public abstract class ChecksumAlgorithmFactorySupport
30 implements ChecksumAlgorithmFactory
31 {
32 private final String name;
33
34 private final String fileExtension;
35
36 public ChecksumAlgorithmFactorySupport( String name, String fileExtension )
37 {
38 this.name = requireNonNull( name );
39 this.fileExtension = requireNonNull( fileExtension );
40 }
41
42 /**
43 * Returns the algorithm name, usually used as key, never {@code null} value.
44 */
45 @Override
46 public String getName()
47 {
48 return name;
49 }
50
51 /**
52 * Returns the file extension to be used for given checksum algorithm (without leading dot), never {@code null}.
53 */
54 @Override
55 public String getFileExtension()
56 {
57 return fileExtension;
58 }
59 }