1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.eclipse.aether.version; 20 21 /** 22 * A version scheme that handles interpretation of version strings to facilitate their comparison. 23 */ 24 public interface VersionScheme { 25 26 /** 27 * Parses the specified version string, for example "1.0". 28 * 29 * @param version The version string to parse, must not be {@code null}. 30 * @return The parsed version, never {@code null}. 31 * @throws InvalidVersionSpecificationException If the string violates the syntax rules of this scheme. 32 */ 33 Version parseVersion(String version) throws InvalidVersionSpecificationException; 34 35 /** 36 * Parses the specified version range specification, for example "[1.0,2.0)". 37 * 38 * @param range The range specification to parse, must not be {@code null}. 39 * @return The parsed version range, never {@code null}. 40 * @throws InvalidVersionSpecificationException If the range specification violates the syntax rules of this scheme. 41 */ 42 VersionRange parseVersionRange(String range) throws InvalidVersionSpecificationException; 43 44 /** 45 * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0),(2.0,)". 46 * 47 * @param constraint The constraint specification to parse, must not be {@code null}. 48 * @return The parsed version constraint, never {@code null}. 49 * @throws InvalidVersionSpecificationException If the constraint specification violates the syntax rules of this 50 * scheme. 51 */ 52 VersionConstraint parseVersionConstraint(String constraint) throws InvalidVersionSpecificationException; 53 }