1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the  "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18/*
19 * $Id: Version.java 477252 2006-11-20 16:52:00Z minchau $
20 */
21package org.apache.xml.serializer;
22
23/**
24 * Administrative class to keep track of the version number of
25 * the Serializer release.
26 * <P>This class implements the upcoming standard of having
27 * org.apache.project-name.Version.getVersion() be a standard way
28 * to get version information.</P>
29 * @xsl.usage general
30 */
31public final class Version
32{
33
34  /**
35   * Get the basic version string for the current Serializer.
36   * Version String formatted like
37   * <CODE>"<B>Serializer</B> <B>Java</B> v.r[.dd| <B>D</B>nn]"</CODE>.
38   *
39   * Futurework: have this read version info from jar manifest.
40   *
41   * @return String denoting our current version
42   */
43  public static String getVersion()
44  {
45     return getProduct()+" "+getImplementationLanguage()+" "
46           +getMajorVersionNum()+"."+getReleaseVersionNum()+"."
47           +( (getDevelopmentVersionNum() > 0) ?
48               ("D"+getDevelopmentVersionNum()) : (""+getMaintenanceVersionNum()));
49  }
50
51  /**
52   * Print the processor version to the command line.
53   *
54   * @param argv command line arguments, unused.
55   */
56  public static void main(String argv[])
57  {
58    System.out.println(getVersion());
59  }
60
61  /**
62   * Name of product: Serializer.
63   */
64  public static String getProduct()
65  {
66    return "Serializer";
67  }
68
69  /**
70   * Implementation Language: Java.
71   */
72  public static String getImplementationLanguage()
73  {
74    return "Java";
75  }
76
77
78  /**
79   * Major version number.
80   * Version number. This changes only when there is a
81   *          significant, externally apparent enhancement from
82   *          the previous release. 'n' represents the n'th
83   *          version.
84   *
85   *          Clients should carefully consider the implications
86   *          of new versions as external interfaces and behaviour
87   *          may have changed.
88   */
89  public static int getMajorVersionNum()
90  {
91    return 2;
92
93  }
94
95  /**
96   * Release Number.
97   * Release number. This changes when:
98   *            -  a new set of functionality is to be added, eg,
99   *               implementation of a new W3C specification.
100   *            -  API or behaviour change.
101   *            -  its designated as a reference release.
102   */
103  public static int getReleaseVersionNum()
104  {
105    return 7;
106  }
107
108  /**
109   * Maintenance Drop Number.
110   * Optional identifier used to designate maintenance
111   *          drop applied to a specific release and contains
112   *          fixes for defects reported. It maintains compatibility
113   *          with the release and contains no API changes.
114   *          When missing, it designates the final and complete
115   *          development drop for a release.
116   */
117  public static int getMaintenanceVersionNum()
118  {
119    return 1;
120  }
121
122  /**
123   * Development Drop Number.
124   * Optional identifier designates development drop of
125   *          a specific release. D01 is the first development drop
126   *          of a new release.
127   *
128   *          Development drops are works in progress towards a
129   *          compeleted, final release. A specific development drop
130   *          may not completely implement all aspects of a new
131   *          feature, which may take several development drops to
132   *          complete. At the point of the final drop for the
133   *          release, the D suffix will be omitted.
134   *
135   *          Each 'D' drops can contain functional enhancements as
136   *          well as defect fixes. 'D' drops may not be as stable as
137   *          the final releases.
138   */
139  public static int getDevelopmentVersionNum()
140  {
141    try {
142        if ((new String("")).length() == 0)
143          return 0;
144        else
145          return Integer.parseInt("");
146    } catch (NumberFormatException nfe) {
147           return 0;
148    }
149  }
150}
151