00001 // -*- Mode: Java; indent-tabs-mode: nil; c-basic-offset: 4; -*- 00002 /* 00003 * The Apache Software License, Version 1.1 00004 * 00005 * Copyright (c) 2000-2002 The Apache Software Foundation. All rights 00006 * reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 00012 * 1. Redistributions of source code must retain the above copyright 00013 * notice, this list of conditions and the following disclaimer. 00014 * 00015 * 2. Redistributions in binary form must reproduce the above copyright 00016 * notice, this list of conditions and the following disclaimer in 00017 * the documentation and/or other materials provided with the 00018 * distribution. 00019 * 00020 * 3. The end-user documentation included with the redistribution, if 00021 * any, must include the following acknowlegement: 00022 * "This product includes software developed by the 00023 * Apache Software Foundation (http://www.apache.org/)." 00024 * Alternately, this acknowlegement may appear in the software itself, 00025 * if and wherever such third-party acknowlegements normally appear. 00026 * 00027 * 4. The names "The Jakarta Project", "Ant", and "Apache Software 00028 * Foundation" must not be used to endorse or promote products derived 00029 * from this software without prior written permission. For written 00030 * permission, please contact apache@apache.org. 00031 * 00032 * 5. Products derived from this software may not be called "Apache" 00033 * nor may "Apache" appear in their names without prior written 00034 * permission of the Apache Group. 00035 * 00036 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 00037 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 00038 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00039 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 00040 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00041 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00042 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 00043 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 00044 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00045 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 00046 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00047 * SUCH DAMAGE. 00048 * ==================================================================== 00049 * 00050 * This software consists of voluntary contributions made by many 00051 * individuals on behalf of the Apache Software Foundation. For more 00052 * information on the Apache Software Foundation, please see 00053 * <http://www.apache.org/>. 00054 */ 00055 // $Header: /cvsroot/ant-doxygen/ant_task/src/org/doxygen/tools/DoxygenVersion.java,v 1.2.4.5 2004/01/30 23:15:49 akkumar Exp $ 00056 package org.doxygen.tools; 00057 00058 import java.util.StringTokenizer; 00059 00060 00061 00062 00071 public class DoxygenVersion implements Comparable { 00072 00074 private int[] versions; 00075 00077 private static final int DEFAULT_MAGNITUDE = 3; 00078 00083 private boolean upwards = false; 00084 00085 //---------------------------------------------------------------------- 00098 public DoxygenVersion(String releaseMajorMinor, 00099 final int orderOfMagnitude) 00100 throws NumberFormatException { 00101 if (releaseMajorMinor.endsWith("+")) { 00102 upwards = true; 00103 int len = releaseMajorMinor.length(); 00104 releaseMajorMinor = releaseMajorMinor.substring(0, len -1); 00105 } 00106 StringTokenizer st = 00107 new StringTokenizer(releaseMajorMinor, "."); 00108 00109 versions = new int[orderOfMagnitude]; 00110 00111 for (int i = 0; (i < orderOfMagnitude); i++) { 00112 versions[i] = 00113 Integer.parseInt((String) st.nextToken()); 00114 } 00115 } 00116 00117 00118 00119 00120 00121 //---------------------------------------------------------------------- 00130 public DoxygenVersion(final String releaseMajorMinor) { 00131 this(releaseMajorMinor, DEFAULT_MAGNITUDE); 00132 } 00133 00134 00135 00136 00137 //---------------------------------------------------------------------- 00152 public final int compareTo(final Object obj) { 00153 if (obj instanceof DoxygenVersion) { 00154 DoxygenVersion dv = (DoxygenVersion) obj; 00155 00156 for (int i = 0; (i < versions.length); i++) { 00157 if (this.versions[i] > dv.versions[i]) { 00158 return 1; 00159 } else if (this.versions[i] == dv.versions[i]) { 00160 continue; 00161 } else { 00162 return -1; 00163 } 00164 } 00165 return 0; //Equal 00166 } else { 00167 return -1; 00168 } 00169 } 00170 00171 00172 //------------------------------------------- 00179 public boolean isCompatible(String version) { 00180 DoxygenVersion compatVersion = new DoxygenVersion(version); 00181 if (compatVersion.upwards) { 00182 return (this.compareTo(compatVersion) >= 0); 00183 } else { 00184 return (this.compareTo(compatVersion) == 0); 00185 } 00186 } 00187 00188 00189 //---------------------------------------------------------------------- 00196 public final String toString() { 00197 StringBuffer sb = new StringBuffer(); 00198 for (int i = 0; (i < versions.length); i++) { 00199 sb.append(versions[i] + "."); 00200 } 00201 return sb.toString(); 00202 } 00203 }