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}