| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DefaultArtifactVersion |
|
| 3.25;3.25 |
| 1 | package org.apache.maven.artifact.versioning; | |
| 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 | import java.util.StringTokenizer; | |
| 23 | ||
| 24 | /** | |
| 25 | * Default implementation of artifact versioning. | |
| 26 | * | |
| 27 | * @author <a href="mailto:brett@apache.org">Brett Porter</a> | |
| 28 | * @version $Id: DefaultArtifactVersion.java 688932 2008-08-26 01:24:27Z jdcasey $ | |
| 29 | */ | |
| 30 | public class DefaultArtifactVersion | |
| 31 | implements ArtifactVersion | |
| 32 | { | |
| 33 | private Integer majorVersion; | |
| 34 | ||
| 35 | private Integer minorVersion; | |
| 36 | ||
| 37 | private Integer incrementalVersion; | |
| 38 | ||
| 39 | private Integer buildNumber; | |
| 40 | ||
| 41 | private String qualifier; | |
| 42 | ||
| 43 | private String unparsed; | |
| 44 | ||
| 45 | public DefaultArtifactVersion( String version ) | |
| 46 | 0 | { |
| 47 | 0 | parseVersion( version ); |
| 48 | 0 | } |
| 49 | ||
| 50 | public int compareTo( Object o ) | |
| 51 | { | |
| 52 | 0 | ArtifactVersion otherVersion = (ArtifactVersion) o; |
| 53 | ||
| 54 | 0 | int result = getMajorVersion() - otherVersion.getMajorVersion(); |
| 55 | 0 | if ( result == 0 ) |
| 56 | { | |
| 57 | 0 | result = getMinorVersion() - otherVersion.getMinorVersion(); |
| 58 | } | |
| 59 | 0 | if ( result == 0 ) |
| 60 | { | |
| 61 | 0 | result = getIncrementalVersion() - otherVersion.getIncrementalVersion(); |
| 62 | } | |
| 63 | 0 | if ( result == 0 ) |
| 64 | { | |
| 65 | 0 | if ( qualifier != null ) |
| 66 | { | |
| 67 | 0 | String otherQualifier = otherVersion.getQualifier(); |
| 68 | ||
| 69 | 0 | if ( otherQualifier != null ) |
| 70 | { | |
| 71 | 0 | if ( ( qualifier.length() > otherQualifier.length() ) |
| 72 | && qualifier.startsWith( otherQualifier ) ) | |
| 73 | { | |
| 74 | // here, the longer one that otherwise match is considered older | |
| 75 | 0 | result = -1; |
| 76 | } | |
| 77 | 0 | else if ( ( qualifier.length() < otherQualifier.length() ) |
| 78 | && otherQualifier.startsWith( qualifier ) ) | |
| 79 | { | |
| 80 | // here, the longer one that otherwise match is considered older | |
| 81 | 0 | result = 1; |
| 82 | } | |
| 83 | else | |
| 84 | { | |
| 85 | 0 | result = qualifier.compareTo( otherQualifier ); |
| 86 | } | |
| 87 | } | |
| 88 | else | |
| 89 | { | |
| 90 | // otherVersion has no qualifier but we do - that's newer | |
| 91 | 0 | result = -1; |
| 92 | } | |
| 93 | 0 | } |
| 94 | 0 | else if ( otherVersion.getQualifier() != null ) |
| 95 | { | |
| 96 | // otherVersion has a qualifier but we don't, we're newer | |
| 97 | 0 | result = 1; |
| 98 | } | |
| 99 | else | |
| 100 | { | |
| 101 | 0 | result = getBuildNumber() - otherVersion.getBuildNumber(); |
| 102 | } | |
| 103 | } | |
| 104 | 0 | return result; |
| 105 | } | |
| 106 | ||
| 107 | public int getMajorVersion() | |
| 108 | { | |
| 109 | 0 | return majorVersion != null ? majorVersion.intValue() : 0; |
| 110 | } | |
| 111 | ||
| 112 | public int getMinorVersion() | |
| 113 | { | |
| 114 | 0 | return minorVersion != null ? minorVersion.intValue() : 0; |
| 115 | } | |
| 116 | ||
| 117 | public int getIncrementalVersion() | |
| 118 | { | |
| 119 | 0 | return incrementalVersion != null ? incrementalVersion.intValue() : 0; |
| 120 | } | |
| 121 | ||
| 122 | public int getBuildNumber() | |
| 123 | { | |
| 124 | 0 | return buildNumber != null ? buildNumber.intValue() : 0; |
| 125 | } | |
| 126 | ||
| 127 | public String getQualifier() | |
| 128 | { | |
| 129 | 0 | return qualifier; |
| 130 | } | |
| 131 | ||
| 132 | public final void parseVersion( String version ) | |
| 133 | { | |
| 134 | 0 | unparsed = version; |
| 135 | ||
| 136 | 0 | int index = version.indexOf( "-" ); |
| 137 | ||
| 138 | String part1; | |
| 139 | 0 | String part2 = null; |
| 140 | ||
| 141 | 0 | if ( index < 0 ) |
| 142 | { | |
| 143 | 0 | part1 = version; |
| 144 | } | |
| 145 | else | |
| 146 | { | |
| 147 | 0 | part1 = version.substring( 0, index ); |
| 148 | 0 | part2 = version.substring( index + 1 ); |
| 149 | } | |
| 150 | ||
| 151 | 0 | if ( part2 != null ) |
| 152 | { | |
| 153 | try | |
| 154 | { | |
| 155 | 0 | if ( ( part2.length() == 1 ) || !part2.startsWith( "0" ) ) |
| 156 | { | |
| 157 | 0 | buildNumber = Integer.valueOf( part2 ); |
| 158 | } | |
| 159 | else | |
| 160 | { | |
| 161 | 0 | qualifier = part2; |
| 162 | } | |
| 163 | } | |
| 164 | 0 | catch ( NumberFormatException e ) |
| 165 | { | |
| 166 | 0 | qualifier = part2; |
| 167 | 0 | } |
| 168 | } | |
| 169 | ||
| 170 | 0 | if ( ( part1.indexOf( "." ) < 0 ) && !part1.startsWith( "0" ) ) |
| 171 | { | |
| 172 | try | |
| 173 | { | |
| 174 | 0 | majorVersion = Integer.valueOf( part1 ); |
| 175 | } | |
| 176 | 0 | catch ( NumberFormatException e ) |
| 177 | { | |
| 178 | // qualifier is the whole version, including "-" | |
| 179 | 0 | qualifier = version; |
| 180 | 0 | buildNumber = null; |
| 181 | 0 | } |
| 182 | } | |
| 183 | else | |
| 184 | { | |
| 185 | 0 | boolean fallback = false; |
| 186 | ||
| 187 | 0 | StringTokenizer tok = new StringTokenizer( part1, "." ); |
| 188 | try | |
| 189 | { | |
| 190 | 0 | majorVersion = getNextIntegerToken( tok ); |
| 191 | 0 | if ( tok.hasMoreTokens() ) |
| 192 | { | |
| 193 | 0 | minorVersion = getNextIntegerToken( tok ); |
| 194 | } | |
| 195 | 0 | if ( tok.hasMoreTokens() ) |
| 196 | { | |
| 197 | 0 | incrementalVersion = getNextIntegerToken( tok ); |
| 198 | } | |
| 199 | 0 | if ( tok.hasMoreTokens() ) |
| 200 | { | |
| 201 | 0 | fallback = true; |
| 202 | } | |
| 203 | ||
| 204 | // string tokenzier won't detect these and ignores them | |
| 205 | 0 | if ( part1.indexOf( ".." ) >= 0 || part1.startsWith( "." ) || part1.endsWith( "." ) ) |
| 206 | { | |
| 207 | 0 | fallback = true; |
| 208 | } | |
| 209 | } | |
| 210 | 0 | catch ( NumberFormatException e ) |
| 211 | { | |
| 212 | 0 | fallback = true; |
| 213 | 0 | } |
| 214 | ||
| 215 | 0 | if ( fallback ) |
| 216 | { | |
| 217 | // qualifier is the whole version, including "-" | |
| 218 | 0 | qualifier = version; |
| 219 | 0 | majorVersion = null; |
| 220 | 0 | minorVersion = null; |
| 221 | 0 | incrementalVersion = null; |
| 222 | 0 | buildNumber = null; |
| 223 | } | |
| 224 | } | |
| 225 | 0 | } |
| 226 | ||
| 227 | private static Integer getNextIntegerToken( StringTokenizer tok ) | |
| 228 | { | |
| 229 | 0 | String s = tok.nextToken(); |
| 230 | 0 | if ( ( s.length() > 1 ) && s.startsWith( "0" ) ) |
| 231 | { | |
| 232 | 0 | throw new NumberFormatException( "Number part has a leading 0: '" + s + "'" ); |
| 233 | } | |
| 234 | 0 | return Integer.valueOf( s ); |
| 235 | } | |
| 236 | ||
| 237 | public String toString() | |
| 238 | { | |
| 239 | 0 | return unparsed; |
| 240 | } | |
| 241 | ||
| 242 | public boolean equals( Object other ) | |
| 243 | { | |
| 244 | 0 | if ( this == other ) |
| 245 | { | |
| 246 | 0 | return true; |
| 247 | } | |
| 248 | ||
| 249 | 0 | if ( false == ( other instanceof ArtifactVersion ) ) |
| 250 | { | |
| 251 | 0 | return false; |
| 252 | } | |
| 253 | ||
| 254 | 0 | return 0 == compareTo( other ); |
| 255 | } | |
| 256 | ||
| 257 | public int hashCode() | |
| 258 | { | |
| 259 | 0 | int result = 1229; |
| 260 | ||
| 261 | 0 | result = 1223 * result + getMajorVersion(); |
| 262 | 0 | result = 1223 * result + getMinorVersion(); |
| 263 | 0 | result = 1223 * result + getIncrementalVersion(); |
| 264 | 0 | result = 1223 * result + getBuildNumber(); |
| 265 | ||
| 266 | 0 | if ( null != getQualifier() ) |
| 267 | { | |
| 268 | 0 | result = 1223 * result + getQualifier().hashCode(); |
| 269 | } | |
| 270 | ||
| 271 | 0 | return result; |
| 272 | } | |
| 273 | } |