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 577939 2007-09-20 21:45:37Z minchau $ 20 */ 21 package org.apache.xalan; 22 23 /** 24 * Administrative class to keep track of the version number of 25 * the Xalan 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. This class will replace the older 29 * org.apache.xalan.processor.Version class.</P> 30 * <P>See also: org/apache/xalan/res/XSLTInfo.properties for 31 * information about the version of the XSLT spec we support.</P> 32 * @xsl.usage general 33 */ 34 public class Version 35 { 36 37 /** 38 * Get the basic version string for the current Xalan release. 39 * Version String formatted like 40 * <CODE>"<B>Xalan</B> <B>Java</B> v.r[.dd| <B>D</B>nn]"</CODE>. 41 * 42 * Futurework: have this read version info from jar manifest. 43 * 44 * @return String denoting our current version 45 */ getVersion()46 public static String getVersion() 47 { 48 return getProduct()+" "+getImplementationLanguage()+" " 49 +getMajorVersionNum()+"."+getReleaseVersionNum()+"." 50 +( (getDevelopmentVersionNum() > 0) ? 51 ("D"+getDevelopmentVersionNum()) : (""+getMaintenanceVersionNum())); 52 } 53 54 /** 55 * Print the processor version to the command line. 56 * 57 * @param argv command line arguments, unused. 58 */ main(String argv[])59 public static void main(String argv[]) 60 { 61 System.out.println(getVersion()); 62 } 63 64 /** 65 * Name of product: Xalan. 66 */ getProduct()67 public static String getProduct() 68 { 69 return "Xalan"; 70 } 71 72 /** 73 * Implementation Language: Java. 74 */ getImplementationLanguage()75 public static String getImplementationLanguage() 76 { 77 return "Java"; 78 } 79 80 81 /** 82 * Major version number. 83 * Version number. This changes only when there is a 84 * significant, externally apparent enhancement from 85 * the previous release. 'n' represents the n'th 86 * version. 87 * 88 * Clients should carefully consider the implications 89 * of new versions as external interfaces and behaviour 90 * may have changed. 91 */ getMajorVersionNum()92 public static int getMajorVersionNum() 93 { 94 return 2; 95 96 } 97 98 /** 99 * Release Number. 100 * Release number. This changes when: 101 * - a new set of functionality is to be added, eg, 102 * implementation of a new W3C specification. 103 * - API or behaviour change. 104 * - its designated as a reference release. 105 */ getReleaseVersionNum()106 public static int getReleaseVersionNum() 107 { 108 return 7; 109 } 110 111 /** 112 * Maintenance Drop Number. 113 * Optional identifier used to designate maintenance 114 * drop applied to a specific release and contains 115 * fixes for defects reported. It maintains compatibility 116 * with the release and contains no API changes. 117 * When missing, it designates the final and complete 118 * development drop for a release. 119 */ getMaintenanceVersionNum()120 public static int getMaintenanceVersionNum() 121 { 122 return 1; 123 } 124 125 /** 126 * Development Drop Number. 127 * Optional identifier designates development drop of 128 * a specific release. D01 is the first development drop 129 * of a new release. 130 * 131 * Development drops are works in progress towards a 132 * compeleted, final release. A specific development drop 133 * may not completely implement all aspects of a new 134 * feature, which may take several development drops to 135 * complete. At the point of the final drop for the 136 * release, the D suffix will be omitted. 137 * 138 * Each 'D' drops can contain functional enhancements as 139 * well as defect fixes. 'D' drops may not be as stable as 140 * the final releases. 141 */ getDevelopmentVersionNum()142 public static int getDevelopmentVersionNum() 143 { 144 try { 145 if ((new String("")).length() == 0) 146 return 0; 147 else 148 return Integer.parseInt(""); 149 } catch (NumberFormatException nfe) { 150 return 0; 151 } 152 } 153 } 154