+++ /dev/null
-/*
- * jSite - Version.java - Copyright © 2006–2012 David Roden
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-package de.todesbaum.jsite.main;
-
-/**
- * Container for version information.
- *
- * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
- */
-public class Version implements Comparable<Version> {
-
- /** The components of the version information. */
- private final int[] components;
-
- /**
- * Creates a new version container with the given components.
- *
- * @param components
- * The version components
- */
- public Version(int... components) {
- this.components = new int[components.length];
- System.arraycopy(components, 0, this.components, 0, components.length);
- }
-
- /**
- * Returns the number of version components.
- *
- * @return The number of version components
- */
- public int size() {
- return components.length;
- }
-
- /**
- * Returns the version component with the given index.
- *
- * @param index
- * The index of the version component
- * @return The version component
- */
- public int getComponent(int index) {
- return components[index];
- }
-
- /**
- * Parses a version from the given string.
- *
- * @param versionString
- * The version string to parse
- * @return The parsed version, or <code>null</code> if the string could not
- * be parsed
- */
- public static Version parse(String versionString) {
- String[] componentStrings = versionString.split("\\.");
- int[] components = new int[componentStrings.length];
- int index = -1;
- for (String componentString : componentStrings) {
- try {
- components[++index] = Integer.parseInt(componentString);
- } catch (NumberFormatException nfe1) {
- return null;
- }
- }
- return new Version(components);
- }
-
- /**
- * {@inheritDoc}
- */
- @Override
- public String toString() {
- StringBuilder versionString = new StringBuilder();
- for (int component : components) {
- if (versionString.length() != 0) {
- versionString.append('.');
- }
- versionString.append(component);
- }
- return versionString.toString();
- }
-
- /**
- * {@inheritDoc}
- */
- public int compareTo(Version version) {
- int lessComponents = Math.min(components.length, version.components.length);
- for (int index = 0; index < lessComponents; index++) {
- if (version.components[index] == components[index]) {
- continue;
- }
- return components[index] - version.components[index];
- }
- return components.length - version.components.length;
- }
-
-}