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.connector.checksum;
020
021import static java.util.Objects.requireNonNull;
022
023/**
024 * Support class for {@link ChecksumAlgorithmFactory} implementations.
025 *
026 * @since 1.8.0
027 */
028public abstract class ChecksumAlgorithmFactorySupport implements ChecksumAlgorithmFactory {
029    private final String name;
030
031    private final String fileExtension;
032
033    public ChecksumAlgorithmFactorySupport(String name, String fileExtension) {
034        this.name = requireNonNull(name);
035        this.fileExtension = requireNonNull(fileExtension);
036    }
037
038    /**
039     * Returns the algorithm name, usually used as key, never {@code null} value.
040     */
041    @Override
042    public String getName() {
043        return name;
044    }
045
046    /**
047     * Returns the file extension to be used for given checksum algorithm (without leading dot), never {@code null}.
048     */
049    @Override
050    public String getFileExtension() {
051        return fileExtension;
052    }
053}