1 package org.eclipse.aether.version; 2 3 /* 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, 15 * software distributed under the License is distributed on an 16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17 * KIND, either express or implied. See the License for the 18 * specific language governing permissions and limitations 19 * under the License. 20 */ 21 22 /** 23 * A version scheme that handles interpretation of version strings to facilitate their comparison. 24 */ 25 public interface VersionScheme 26 { 27 28 /** 29 * Parses the specified version string, for example "1.0". 30 * 31 * @param version The version string to parse, must not be {@code null}. 32 * @return The parsed version, never {@code null}. 33 * @throws InvalidVersionSpecificationException If the string violates the syntax rules of this scheme. 34 */ 35 Version parseVersion( String version ) 36 throws InvalidVersionSpecificationException; 37 38 /** 39 * Parses the specified version range specification, for example "[1.0,2.0)". 40 * 41 * @param range The range specification to parse, must not be {@code null}. 42 * @return The parsed version range, never {@code null}. 43 * @throws InvalidVersionSpecificationException If the range specification violates the syntax rules of this scheme. 44 */ 45 VersionRange parseVersionRange( String range ) 46 throws InvalidVersionSpecificationException; 47 48 /** 49 * Parses the specified version constraint specification, for example "1.0" or "[1.0,2.0),(2.0,)". 50 * 51 * @param constraint The constraint specification to parse, must not be {@code null}. 52 * @return The parsed version constraint, never {@code null}. 53 * @throws InvalidVersionSpecificationException If the constraint specification violates the syntax rules of this 54 * scheme. 55 */ 56 VersionConstraint parseVersionConstraint( final String constraint ) 57 throws InvalidVersionSpecificationException; 58 59 }