jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/ws/util/VersionUtil.java@9c07ef4934dd

     1 /*

     2  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package com.sun.xml.internal.ws.util;

    28 import java.util.StringTokenizer;

    31 /**

    32  * Provides some version utilities.

    33  *

    34  * @author JAX-WS Development Team

    35  */

    37 public final class VersionUtil {

    39     public static boolean isVersion20(String version) {

    40         return JAXWS_VERSION_20.equals(version);

    41     }

    43     /**

    44      * @param version

    45      * @return true if version is a 2.0 version

    46      */

    47     public static boolean isValidVersion(String version) {

    48         return isVersion20(version);

    49     }

    51     public static String getValidVersionString() {

    52         return JAXWS_VERSION_20;

    53     }

    55     /**

    56      * BugFix# 4948171

    57      * Method getCanonicalVersion.

    58      *

    59      * Converts a given version to the format "a.b.c.d"

    60      * a - major version

    61      * b - minor version

    62      * c - minor minor version

    63      * d - patch version

    64      *

    65      * @return int[] Canonical version number

    66      */

    67     public static int[] getCanonicalVersion(String version) {

    68         int[] canonicalVersion = new int[4];

    70         // initialize the default version numbers

    71         canonicalVersion[0] = 1;

    72         canonicalVersion[1] = 1;

    73         canonicalVersion[2] = 0;

    74         canonicalVersion[3] = 0;

    76         final String DASH_DELIM = "_";

    77         final String DOT_DELIM = ".";

    79         StringTokenizer tokenizer =

    80                 new StringTokenizer(version, DOT_DELIM);

    81         String token = tokenizer.nextToken();

    83         // first token is major version and must not have "_"

    84         canonicalVersion[0] = Integer.parseInt(token);

    86         // resolve the minor version

    87         token = tokenizer.nextToken();

    88         if (token.indexOf(DASH_DELIM) == -1) {

    89             // a.b

    90             canonicalVersion[1] = Integer.parseInt(token);

    91         } else {

    92             // a.b_c

    93             StringTokenizer subTokenizer =

    94                     new StringTokenizer(token, DASH_DELIM);

    95             canonicalVersion[1] = Integer.parseInt(subTokenizer.nextToken());

    96             // leave minorMinor default

    98             canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken());

    99         }

   101         // resolve the minorMinor and patch version, if any

   102         if (tokenizer.hasMoreTokens()) {

   103             token = tokenizer.nextToken();

   104             if (token.indexOf(DASH_DELIM) == -1) {

   105                 // minorMinor

   106                 canonicalVersion[2] = Integer.parseInt(token);

   108                 // resolve patch, if any

   109                 if (tokenizer.hasMoreTokens())

   110                     canonicalVersion[3] = Integer.parseInt(tokenizer.nextToken());

   111             } else {

   112                 // a.b.c_d

   113                 StringTokenizer subTokenizer =

   114                         new StringTokenizer(token, DASH_DELIM);

   115                 // minorMinor

   116                 canonicalVersion[2] = Integer.parseInt(subTokenizer.nextToken());

   118                 // patch

   119                 canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken());

   120             }

   121         }

   123         return canonicalVersion;

   124     }

   126     /**

   127      *

   128      * @param version1

   129      * @param version2

   130      * @return -1, 0 or 1 based upon the comparison results

   131      * -1 if version1 is less than version2

   132      * 0 if version1 is equal to version2

   133      * 1 if version1 is greater than version2

   134      */

   135     public static int compare(String version1, String version2) {

   136         int[] canonicalVersion1 = getCanonicalVersion(version1);

   137         int[] canonicalVersion2 = getCanonicalVersion(version2);

   139         if (canonicalVersion1[0] < canonicalVersion2[0]) {

   140             return -1;

   141         } else if (canonicalVersion1[0] > canonicalVersion2[0]) {

   142             return 1;

   143         } else {

   144             if (canonicalVersion1[1] < canonicalVersion2[1]) {

   145                 return -1;

   146             } else if (canonicalVersion1[1] > canonicalVersion2[1]) {

   147                 return 1;

   148             } else {

   149                 if (canonicalVersion1[2] < canonicalVersion2[2]) {

   150                     return -1;

   151                 } else if (canonicalVersion1[2] > canonicalVersion2[2]) {

   152                     return 1;

   153                 } else {

   154                     if (canonicalVersion1[3] < canonicalVersion2[3]) {

   155                         return -1;

   156                 } else if (canonicalVersion1[3] > canonicalVersion2[3]) {

   157                     return 1;

   158                 } else

   159                     return 0;

   160                 }

   161             }

   162         }

   163     }

   165     public static final String JAXWS_VERSION_20 = "2.0";

   166     // the latest version is default

   167     public static final String JAXWS_VERSION_DEFAULT = JAXWS_VERSION_20;

   168 }

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