gnodet commented on code in PR #1359: URL: https://github.com/apache/maven/pull/1359#discussion_r1432952929
########## api/maven-api-core/src/main/java/org/apache/maven/api/services/ChecksumAlgorithmService.java: ########## @@ -0,0 +1,87 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.maven.api.services; + +import java.io.*; +import java.nio.file.Path; +import java.util.Collection; +import java.util.Map; + +import org.apache.maven.api.Service; +import org.apache.maven.api.annotations.Experimental; +import org.apache.maven.api.annotations.Nonnull; + +/** + * Checksum algorithms service. + * + * @since 4.0.0 + */ +@Experimental +public interface ChecksumAlgorithmService extends Service { + /** + * Returns {@link ChecksumAlgorithm} for given algorithm name, or throws if algorithm not supported. + * + * @throws IllegalArgumentException if asked algorithm name is not supported. + */ + @Nonnull + ChecksumAlgorithm select(@Nonnull String algorithmName); + + /** + * Returns a list of {@link ChecksumAlgorithm} in same order as algorithm names are ordered, or throws if any of the + * algorithm name is not supported. The returned list has equal count of elements as passed in collection of names, + * and if names contains duplicated elements, the returned list of algorithms will have duplicates as well. + * + * @throws IllegalArgumentException if any asked algorithm name is not supported. + * @throws NullPointerException if passed in list of names is {@code null}. + */ + @Nonnull + Collection<ChecksumAlgorithm> selectList(@Nonnull Collection<String> algorithmNames); + + /** + * Returns immutable collection of all supported algorithm names. + */ + @Nonnull + Collection<String> getChecksumAlgorithmNames(); + + /** + * Calculates checksums for specified data. + * + * @param data The content for which to calculate checksums, must not be {@code null}. + * @param algorithms The checksum algorithm factories to use, must not be {@code null}. + * @return The calculated checksums, indexed by algorithm name, or the exception that occurred while trying to + * calculate it, never {@code null}. + * @throws IOException In case of any problem. + */ + @Nonnull + Map<String, String> calculate(@Nonnull byte[] data, @Nonnull Collection<ChecksumAlgorithm> algorithms) + throws IOException; + + /** + * Calculates checksums for specified file. + * + * @param file The file for which to calculate checksums, must not be {@code null}. + * @param algorithms The checksum algorithm factories to use, must not be {@code null}. + * @return The calculated checksums, indexed by algorithm name, or the exception that occurred while trying to + * calculate it, never {@code null}. + * @throws IOException In case of any problem. + */ + @Nonnull + Map<String, String> calculate(@Nonnull Path file, @Nonnull Collection<ChecksumAlgorithm> algorithms) Review Comment: For ease of use ,we're missing `calculate(InputStream, Collection<ChecksumAlgorithm>)` imho. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@maven.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
