| /* |
| * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.ws.util; |
| |
| import java.util.StringTokenizer; |
| |
| |
| /** |
| * Provides some version utilities. |
| * |
| * @author JAX-WS Development Team |
| */ |
| |
| public final class VersionUtil { |
| |
| public static boolean isVersion20(String version) { |
| return JAXWS_VERSION_20.equals(version); |
| } |
| |
| /** |
| * @param version |
| * @return true if version is a 2.0 version |
| */ |
| public static boolean isValidVersion(String version) { |
| return isVersion20(version); |
| } |
| |
| public static String getValidVersionString() { |
| return JAXWS_VERSION_20; |
| } |
| |
| /** |
| * BugFix# 4948171 |
| * Method getCanonicalVersion. |
| * |
| * Converts a given version to the format "a.b.c.d" |
| * a - major version |
| * b - minor version |
| * c - minor minor version |
| * d - patch version |
| * |
| * @return int[] Canonical version number |
| */ |
| public static int[] getCanonicalVersion(String version) { |
| int[] canonicalVersion = new int[4]; |
| |
| // initialize the default version numbers |
| canonicalVersion[0] = 1; |
| canonicalVersion[1] = 1; |
| canonicalVersion[2] = 0; |
| canonicalVersion[3] = 0; |
| |
| final String DASH_DELIM = "_"; |
| final String DOT_DELIM = "."; |
| |
| StringTokenizer tokenizer = |
| new StringTokenizer(version, DOT_DELIM); |
| String token = tokenizer.nextToken(); |
| |
| // first token is major version and must not have "_" |
| canonicalVersion[0] = Integer.parseInt(token); |
| |
| // resolve the minor version |
| token = tokenizer.nextToken(); |
| if (token.indexOf(DASH_DELIM) == -1) { |
| // a.b |
| canonicalVersion[1] = Integer.parseInt(token); |
| } else { |
| // a.b_c |
| StringTokenizer subTokenizer = |
| new StringTokenizer(token, DASH_DELIM); |
| canonicalVersion[1] = Integer.parseInt(subTokenizer.nextToken()); |
| // leave minorMinor default |
| |
| canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken()); |
| } |
| |
| // resolve the minorMinor and patch version, if any |
| if (tokenizer.hasMoreTokens()) { |
| token = tokenizer.nextToken(); |
| if (token.indexOf(DASH_DELIM) == -1) { |
| // minorMinor |
| canonicalVersion[2] = Integer.parseInt(token); |
| |
| // resolve patch, if any |
| if (tokenizer.hasMoreTokens()) |
| canonicalVersion[3] = Integer.parseInt(tokenizer.nextToken()); |
| } else { |
| // a.b.c_d |
| StringTokenizer subTokenizer = |
| new StringTokenizer(token, DASH_DELIM); |
| // minorMinor |
| canonicalVersion[2] = Integer.parseInt(subTokenizer.nextToken()); |
| |
| // patch |
| canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken()); |
| } |
| } |
| |
| return canonicalVersion; |
| } |
| |
| /** |
| * |
| * @param version1 |
| * @param version2 |
| * @return -1, 0 or 1 based upon the comparison results |
| * -1 if version1 is less than version2 |
| * 0 if version1 is equal to version2 |
| * 1 if version1 is greater than version2 |
| */ |
| public static int compare(String version1, String version2) { |
| int[] canonicalVersion1 = getCanonicalVersion(version1); |
| int[] canonicalVersion2 = getCanonicalVersion(version2); |
| |
| if (canonicalVersion1[0] < canonicalVersion2[0]) { |
| return -1; |
| } else if (canonicalVersion1[0] > canonicalVersion2[0]) { |
| return 1; |
| } else { |
| if (canonicalVersion1[1] < canonicalVersion2[1]) { |
| return -1; |
| } else if (canonicalVersion1[1] > canonicalVersion2[1]) { |
| return 1; |
| } else { |
| if (canonicalVersion1[2] < canonicalVersion2[2]) { |
| return -1; |
| } else if (canonicalVersion1[2] > canonicalVersion2[2]) { |
| return 1; |
| } else { |
| if (canonicalVersion1[3] < canonicalVersion2[3]) { |
| return -1; |
| } else if (canonicalVersion1[3] > canonicalVersion2[3]) { |
| return 1; |
| } else |
| return 0; |
| } |
| } |
| } |
| } |
| |
| public static final String JAXWS_VERSION_20 = "2.0"; |
| // the latest version is default |
| public static final String JAXWS_VERSION_DEFAULT = JAXWS_VERSION_20; |
| } |