| /* |
| * 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.buildcache.hash; |
| |
| import java.io.IOException; |
| import java.nio.file.Path; |
| |
| /** |
| * HashChecksum |
| */ |
| public class HashChecksum |
| { |
| |
| private final Hash.Algorithm algorithm; |
| |
| private final Hash.Checksum checksum; |
| |
| HashChecksum( Hash.Algorithm algorithm, Hash.Checksum checksum ) |
| { |
| this.algorithm = algorithm; |
| this.checksum = checksum; |
| } |
| |
| public String update( Path path ) throws IOException |
| { |
| return updateAndEncode( algorithm.hash( path ) ); |
| } |
| |
| public String update( byte[] bytes ) |
| { |
| return updateAndEncode( algorithm.hash( bytes ) ); |
| } |
| |
| /** |
| * @param hexHash hash value in hex format. This method doesn't accept generic text - could result in error |
| */ |
| public String update( String hexHash ) |
| { |
| return updateAndEncode( HexUtils.decode( hexHash ) ); |
| } |
| |
| private String updateAndEncode( byte[] hash ) |
| { |
| checksum.update( hash ); |
| return HexUtils.encode( hash ); |
| } |
| |
| public String digest() |
| { |
| return HexUtils.encode( checksum.digest() ); |
| } |
| } |