1 /*
2 * reserved comment block
3 * DO NOT REMOVE OR ALTER!
4 */
5 /*
6 * Copyright 2003-2004 The Apache Software Foundation.
7 *
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 /*
21 * $Id: Version.java,v 1.1.2.1 2005/08/01 02:11:19 jeffsuttor Exp $
22 */
23 package com.sun.org.apache.xalan.internal;
24
25 /**
26 * Administrative class to keep track of the version number of
27 * the Xalan release.
28 * <P>This class implements the upcoming standard of having
29 * org.apache.project-name.Version.getVersion() be a standard way
30 * to get version information. This class will replace the older
31 * com.sun.org.apache.xalan.internal.processor.Version class.</P>
32 * <P>See also: com/sun/org/apache/xalan/internal/res/XSLTInfo.properties for
33 * information about the version of the XSLT spec we support.</P>
34 * @xsl.usage general
35 */
36 public class Version
37 {
38
39 /**
40 * Get the basic version string for the current Xalan release.
41 * Version String formatted like
42 * <CODE>"<B>Xalan</B> <B>Java</B> v.r[.dd| <B>D</B>nn]"</CODE>.
43 *
44 * Futurework: have this read version info from jar manifest.
45 *
46 * @return String denoting our current version
47 */
48 public static String getVersion()
49 {
50 return getProduct()+" "+getImplementationLanguage()+" "
51 +getMajorVersionNum()+"."+getReleaseVersionNum()+"."
52 +( (getDevelopmentVersionNum() > 0) ?
53 ("D"+getDevelopmentVersionNum()) : (""+getMaintenanceVersionNum()));
54 }
55
56 /**
57 * Print the processor version to the command line.
58 *
59 * @param argv command line arguments, unused.
60 */
61 public static void _main(String argv[])
62 {
63 System.out.println(getVersion());
64 }
65
66 /**
67 * Name of product: Xalan.
68 */
69 public static String getProduct()
70 {
71 return "Xalan";
72 }
73
74 /**
75 * Implementation Language: Java.
76 */
77 public static String getImplementationLanguage()
78 {
79 return "Java";
80 }
81
82
83 /**
84 * Major version number.
85 * Version number. This changes only when there is a
86 * significant, externally apparent enhancement from
87 * the previous release. 'n' represents the n'th
88 * version.
89 *
90 * Clients should carefully consider the implications
91 * of new versions as external interfaces and behaviour
92 * may have changed.
93 */
94 public static int getMajorVersionNum()
95 {
96 return 2;
97
98 }
99
100 /**
101 * Release Number.
102 * Release number. This changes when:
103 * - a new set of functionality is to be added, eg,
104 * implementation of a new W3C specification.
105 * - API or behaviour change.
106 * - its designated as a reference release.
107 */
108 public static int getReleaseVersionNum()
109 {
110 return 7;
111 }
112
113 /**
114 * Maintenance Drop Number.
115 * Optional identifier used to designate maintenance
116 * drop applied to a specific release and contains
117 * fixes for defects reported. It maintains compatibility
118 * with the release and contains no API changes.
119 * When missing, it designates the final and complete
120 * development drop for a release.
121 */
122 public static int getMaintenanceVersionNum()
123 {
124 return 0;
125 }
126
127 /**
128 * Development Drop Number.
129 * Optional identifier designates development drop of
130 * a specific release. D01 is the first development drop
131 * of a new release.
132 *
133 * Development drops are works in progress towards a
134 * compeleted, final release. A specific development drop
135 * may not completely implement all aspects of a new
136 * feature, which may take several development drops to
137 * complete. At the point of the final drop for the
138 * release, the D suffix will be omitted.
139 *
140 * Each 'D' drops can contain functional enhancements as
141 * well as defect fixes. 'D' drops may not be as stable as
142 * the final releases.
143 */
144 public static int getDevelopmentVersionNum()
145 {
146 try {
147 if ((new String("")).length() == 0)
148 return 0;
149 else
150 return Integer.parseInt("");
151 } catch (NumberFormatException nfe) {
152 return 0;
153 }
154 }
155 }