001package org.eclipse.aether.spi.connector.checksum;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 *
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 *
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import static java.util.Objects.requireNonNull;
023
024/**
025 * Support class for {@link ChecksumAlgorithmFactory} implementations.
026 *
027 * @since 1.8.0
028 */
029public abstract class ChecksumAlgorithmFactorySupport
030    implements ChecksumAlgorithmFactory
031{
032    private final String name;
033
034    private final String fileExtension;
035
036    public ChecksumAlgorithmFactorySupport( String name, String fileExtension )
037    {
038        this.name = requireNonNull( name );
039        this.fileExtension = requireNonNull( fileExtension );
040    }
041
042    /**
043     * Returns the algorithm name, usually used as key, never {@code null} value.
044     */
045    @Override
046    public String getName()
047    {
048        return name;
049    }
050
051    /**
052     * Returns the file extension to be used for given checksum algorithm (without leading dot), never {@code null}.
053     */
054    @Override
055    public String getFileExtension()
056    {
057        return fileExtension;
058    }
059}