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}