| /* |
| * 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.artifact.versioning; |
| |
| /** |
| * Default implementation of artifact versioning. |
| * |
| */ |
| public class DefaultArtifactVersion implements ArtifactVersion { |
| private Integer majorVersion; |
| |
| private Integer minorVersion; |
| |
| private Integer incrementalVersion; |
| |
| private Integer buildNumber; |
| |
| private String qualifier; |
| |
| private ComparableVersion comparable; |
| |
| public DefaultArtifactVersion(String version) { |
| parseVersion(version); |
| } |
| |
| @Override |
| public int hashCode() { |
| return 11 + comparable.hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object other) { |
| if (this == other) { |
| return true; |
| } |
| |
| if (!(other instanceof ArtifactVersion)) { |
| return false; |
| } |
| |
| return compareTo((ArtifactVersion) other) == 0; |
| } |
| |
| public int compareTo(ArtifactVersion otherVersion) { |
| if (otherVersion instanceof DefaultArtifactVersion) { |
| return this.comparable.compareTo(((DefaultArtifactVersion) otherVersion).comparable); |
| } else { |
| return compareTo(new DefaultArtifactVersion(otherVersion.toString())); |
| } |
| } |
| |
| public int getMajorVersion() { |
| return majorVersion != null ? majorVersion : 0; |
| } |
| |
| public int getMinorVersion() { |
| return minorVersion != null ? minorVersion : 0; |
| } |
| |
| public int getIncrementalVersion() { |
| return incrementalVersion != null ? incrementalVersion : 0; |
| } |
| |
| public int getBuildNumber() { |
| return buildNumber != null ? buildNumber : 0; |
| } |
| |
| public String getQualifier() { |
| return qualifier; |
| } |
| |
| public final void parseVersion(String version) { |
| comparable = new ComparableVersion(version); |
| |
| int index = version.indexOf('-'); |
| |
| String part1; |
| String part2 = null; |
| |
| if (index < 0) { |
| part1 = version; |
| } else { |
| part1 = version.substring(0, index); |
| part2 = version.substring(index + 1); |
| } |
| |
| if (part2 != null) { |
| if (part2.length() == 1 || !part2.startsWith("0")) { |
| buildNumber = tryParseInt(part2); |
| if (buildNumber == null) { |
| qualifier = part2; |
| } |
| } else { |
| qualifier = part2; |
| } |
| } |
| |
| if ((!part1.contains(".")) && !part1.startsWith("0")) { |
| majorVersion = tryParseInt(part1); |
| if (majorVersion == null) { |
| // qualifier is the whole version, including "-" |
| qualifier = version; |
| buildNumber = null; |
| } |
| } else { |
| boolean fallback = false; |
| |
| String[] tok = part1.split("\\."); |
| int idx = 0; |
| if (idx < tok.length) { |
| majorVersion = getNextIntegerToken(tok[idx++]); |
| if (majorVersion == null) { |
| fallback = true; |
| } |
| } else { |
| fallback = true; |
| } |
| if (idx < tok.length) { |
| minorVersion = getNextIntegerToken(tok[idx++]); |
| if (minorVersion == null) { |
| fallback = true; |
| } |
| } |
| if (idx < tok.length) { |
| incrementalVersion = getNextIntegerToken(tok[idx++]); |
| if (incrementalVersion == null) { |
| fallback = true; |
| } |
| } |
| if (idx < tok.length) { |
| qualifier = tok[idx++]; |
| fallback = isDigits(qualifier); |
| } |
| |
| // string tokenizer won't detect these and ignores them |
| if (part1.contains("..") || part1.startsWith(".") || part1.endsWith(".")) { |
| fallback = true; |
| } |
| |
| if (fallback) { |
| // qualifier is the whole version, including "-" |
| qualifier = version; |
| majorVersion = null; |
| minorVersion = null; |
| incrementalVersion = null; |
| buildNumber = null; |
| } |
| } |
| } |
| |
| private static boolean isDigits(String cs) { |
| if (cs == null || cs.isEmpty()) { |
| return false; |
| } |
| final int sz = cs.length(); |
| for (int i = 0; i < sz; i++) { |
| if (!Character.isDigit(cs.charAt(i))) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private static Integer getNextIntegerToken(String s) { |
| if ((s.length() > 1) && s.startsWith("0")) { |
| return null; |
| } |
| return tryParseInt(s); |
| } |
| |
| private static Integer tryParseInt(String s) { |
| // for performance, check digits instead of relying later on catching NumberFormatException |
| if (!isDigits(s)) { |
| return null; |
| } |
| |
| try { |
| long longValue = Long.parseLong(s); |
| if (longValue > Integer.MAX_VALUE) { |
| return null; |
| } |
| return (int) longValue; |
| } catch (NumberFormatException e) { |
| // should never happen since checked isDigits(s) before |
| return null; |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return comparable.toString(); |
| } |
| } |