aoqi@0: /* aoqi@0: * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@0: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. Oracle designates this aoqi@0: * particular file as subject to the "Classpath" exception as provided aoqi@0: * by Oracle in the LICENSE file that accompanied this code. aoqi@0: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). aoqi@0: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@0: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: */ aoqi@0: aoqi@0: package com.sun.xml.internal.ws.util; aoqi@0: aoqi@0: import java.util.StringTokenizer; aoqi@0: aoqi@0: aoqi@0: /** aoqi@0: * Provides some version utilities. aoqi@0: * aoqi@0: * @author JAX-WS Development Team aoqi@0: */ aoqi@0: aoqi@0: public final class VersionUtil { aoqi@0: aoqi@0: public static boolean isVersion20(String version) { aoqi@0: return JAXWS_VERSION_20.equals(version); aoqi@0: } aoqi@0: aoqi@0: /** aoqi@0: * @param version aoqi@0: * @return true if version is a 2.0 version aoqi@0: */ aoqi@0: public static boolean isValidVersion(String version) { aoqi@0: return isVersion20(version); aoqi@0: } aoqi@0: aoqi@0: public static String getValidVersionString() { aoqi@0: return JAXWS_VERSION_20; aoqi@0: } aoqi@0: aoqi@0: /** aoqi@0: * BugFix# 4948171 aoqi@0: * Method getCanonicalVersion. aoqi@0: * aoqi@0: * Converts a given version to the format "a.b.c.d" aoqi@0: * a - major version aoqi@0: * b - minor version aoqi@0: * c - minor minor version aoqi@0: * d - patch version aoqi@0: * aoqi@0: * @return int[] Canonical version number aoqi@0: */ aoqi@0: public static int[] getCanonicalVersion(String version) { aoqi@0: int[] canonicalVersion = new int[4]; aoqi@0: aoqi@0: // initialize the default version numbers aoqi@0: canonicalVersion[0] = 1; aoqi@0: canonicalVersion[1] = 1; aoqi@0: canonicalVersion[2] = 0; aoqi@0: canonicalVersion[3] = 0; aoqi@0: aoqi@0: final String DASH_DELIM = "_"; aoqi@0: final String DOT_DELIM = "."; aoqi@0: aoqi@0: StringTokenizer tokenizer = aoqi@0: new StringTokenizer(version, DOT_DELIM); aoqi@0: String token = tokenizer.nextToken(); aoqi@0: aoqi@0: // first token is major version and must not have "_" aoqi@0: canonicalVersion[0] = Integer.parseInt(token); aoqi@0: aoqi@0: // resolve the minor version aoqi@0: token = tokenizer.nextToken(); aoqi@0: if (token.indexOf(DASH_DELIM) == -1) { aoqi@0: // a.b aoqi@0: canonicalVersion[1] = Integer.parseInt(token); aoqi@0: } else { aoqi@0: // a.b_c aoqi@0: StringTokenizer subTokenizer = aoqi@0: new StringTokenizer(token, DASH_DELIM); aoqi@0: canonicalVersion[1] = Integer.parseInt(subTokenizer.nextToken()); aoqi@0: // leave minorMinor default aoqi@0: aoqi@0: canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken()); aoqi@0: } aoqi@0: aoqi@0: // resolve the minorMinor and patch version, if any aoqi@0: if (tokenizer.hasMoreTokens()) { aoqi@0: token = tokenizer.nextToken(); aoqi@0: if (token.indexOf(DASH_DELIM) == -1) { aoqi@0: // minorMinor aoqi@0: canonicalVersion[2] = Integer.parseInt(token); aoqi@0: aoqi@0: // resolve patch, if any aoqi@0: if (tokenizer.hasMoreTokens()) aoqi@0: canonicalVersion[3] = Integer.parseInt(tokenizer.nextToken()); aoqi@0: } else { aoqi@0: // a.b.c_d aoqi@0: StringTokenizer subTokenizer = aoqi@0: new StringTokenizer(token, DASH_DELIM); aoqi@0: // minorMinor aoqi@0: canonicalVersion[2] = Integer.parseInt(subTokenizer.nextToken()); aoqi@0: aoqi@0: // patch aoqi@0: canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken()); aoqi@0: } aoqi@0: } aoqi@0: aoqi@0: return canonicalVersion; aoqi@0: } aoqi@0: aoqi@0: /** aoqi@0: * aoqi@0: * @param version1 aoqi@0: * @param version2 aoqi@0: * @return -1, 0 or 1 based upon the comparison results aoqi@0: * -1 if version1 is less than version2 aoqi@0: * 0 if version1 is equal to version2 aoqi@0: * 1 if version1 is greater than version2 aoqi@0: */ aoqi@0: public static int compare(String version1, String version2) { aoqi@0: int[] canonicalVersion1 = getCanonicalVersion(version1); aoqi@0: int[] canonicalVersion2 = getCanonicalVersion(version2); aoqi@0: aoqi@0: if (canonicalVersion1[0] < canonicalVersion2[0]) { aoqi@0: return -1; aoqi@0: } else if (canonicalVersion1[0] > canonicalVersion2[0]) { aoqi@0: return 1; aoqi@0: } else { aoqi@0: if (canonicalVersion1[1] < canonicalVersion2[1]) { aoqi@0: return -1; aoqi@0: } else if (canonicalVersion1[1] > canonicalVersion2[1]) { aoqi@0: return 1; aoqi@0: } else { aoqi@0: if (canonicalVersion1[2] < canonicalVersion2[2]) { aoqi@0: return -1; aoqi@0: } else if (canonicalVersion1[2] > canonicalVersion2[2]) { aoqi@0: return 1; aoqi@0: } else { aoqi@0: if (canonicalVersion1[3] < canonicalVersion2[3]) { aoqi@0: return -1; aoqi@0: } else if (canonicalVersion1[3] > canonicalVersion2[3]) { aoqi@0: return 1; aoqi@0: } else aoqi@0: return 0; aoqi@0: } aoqi@0: } aoqi@0: } aoqi@0: } aoqi@0: aoqi@0: public static final String JAXWS_VERSION_20 = "2.0"; aoqi@0: // the latest version is default aoqi@0: public static final String JAXWS_VERSION_DEFAULT = JAXWS_VERSION_20; aoqi@0: }