| /* |
| * 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. |
| */ |
| |
| import _ from 'lodash'; |
| |
| export default class ArtifactVersionChecker { |
| /** |
| * Compare two numbers. |
| * |
| * @param a {Number} First number to compare |
| * @param b {Number} Second number to compare. |
| * @return {Number} 1 when a is greater then b, -1 when b is greater then a, 0 when a and b is equal. |
| */ |
| static _numberComparator(a, b) { |
| return a > b ? 1 : a < b ? -1 : 0; |
| } |
| |
| /** |
| * Compare to version. |
| * |
| * @param {Object} a first compared version. |
| * @param {Object} b second compared version. |
| * @returns {Number} 1 if a > b, 0 if versions equals, -1 if a < b |
| */ |
| static _compare(a, b) { |
| for (let i = 0; i < a.length && i < b.length; i++) { |
| const res = this._numberComparator(a[i], b[i]); |
| |
| if (res !== 0) |
| return res; |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * Tries to parse JDBC driver version. |
| * |
| * @param {String} ver - String representation of version. |
| * @returns {Number[]} - Array of version parts. |
| */ |
| static _parse(ver) { |
| return _.map(ver.split(/[.-]/), (v) => { |
| return v.startsWith('jre') ? parseInt(v.substring(3), 10) : parseInt(v, 10); |
| }); |
| } |
| |
| /** |
| * Stay only latest versions of the same dependencies. |
| * |
| * @param deps Array of dependencies. |
| */ |
| static latestVersions(deps) { |
| return _.map(_.values(_.groupBy(_.uniqWith(deps, _.isEqual), (dep) => dep.groupId + dep.artifactId)), (arr) => { |
| if (arr.length > 1) { |
| try { |
| return _.reduce(arr, (resDep, dep) => { |
| if (this._compare(this._parse(dep.version), this._parse(resDep.version)) > 0) |
| return dep; |
| |
| return resDep; |
| }); |
| } |
| catch (err) { |
| return _.last(_.sortBy(arr, 'version')); |
| } |
| } |
| |
| return arr[0]; |
| }); |
| } |
| } |