001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.geronimo.kernel.config;
018
019 import java.util.Locale;
020
021 /**
022 * Condition that tests the OS type.
023 *
024 * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
025 */
026 public class Os {
027 private static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.US);
028 private static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.US);
029 private static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.US);
030 private static final String PATH_SEP = System.getProperty("path.separator");
031
032 /**
033 * OS family that can be tested for. {@value}
034 */
035 public static final String FAMILY_WINDOWS = "windows";
036 /**
037 * OS family that can be tested for. {@value}
038 */
039 public static final String FAMILY_9X = "win9x";
040 /**
041 * OS family that can be tested for. {@value}
042 */
043 public static final String FAMILY_NT = "winnt";
044 /**
045 * OS family that can be tested for. {@value}
046 */
047 public static final String FAMILY_OS2 = "os/2";
048 /**
049 * OS family that can be tested for. {@value}
050 */
051 public static final String FAMILY_NETWARE = "netware";
052 /**
053 * OS family that can be tested for. {@value}
054 */
055 public static final String FAMILY_DOS = "dos";
056 /**
057 * OS family that can be tested for. {@value}
058 */
059 public static final String FAMILY_MAC = "mac";
060 /**
061 * OS family that can be tested for. {@value}
062 */
063 public static final String FAMILY_TANDEM = "tandem";
064 /**
065 * OS family that can be tested for. {@value}
066 */
067 public static final String FAMILY_UNIX = "unix";
068 /**
069 * OS family that can be tested for. {@value}
070 */
071 public static final String FAMILY_VMS = "openvms";
072 /**
073 * OS family that can be tested for. {@value}
074 */
075 public static final String FAMILY_ZOS = "z/os";
076 /**
077 * OS family that can be tested for. {@value}
078 */
079 public static final String FAMILY_OS400 = "os/400";
080
081 private Os() {
082 //default
083 }
084
085 /**
086 * Determines if the OS on which Ant is executing matches the
087 * given OS family.
088 * @param family the family to check for
089 * @return true if the OS matches
090 * @since 1.5
091 */
092 public static boolean isFamily(String family) {
093 return isOs(family, null, null, null);
094 }
095
096 /**
097 * Determines if the OS on which Ant is executing matches the
098 * given OS name.
099 *
100 * @param name The OS family type desired<br />
101 * Possible values:<br />
102 * <ul>
103 * <li>dos</li>
104 * <li>mac</li>
105 * <li>netware</li>
106 * <li>os/2</li>
107 * <li>tandem</li>
108 * <li>unix</li>
109 * <li>windows</li>
110 * <li>win9x</li>
111 * <li>z/os</li>
112 * <li>os/400</li>
113 * </ul>
114 * @return true if the OS matches
115 * @since 1.7
116 */
117 public static boolean isName(String name) {
118 return isOs(null, name, null, null);
119 }
120
121 /**
122 * Determines if the OS on which Ant is executing matches the
123 * given OS architecture.
124 *
125 * @param arch the OS architecture to check for
126 * @return true if the OS matches
127 * @since 1.7
128 */
129 public static boolean isArch(String arch) {
130 return isOs(null, null, arch, null);
131 }
132
133 /**
134 * Determines if the OS on which Ant is executing matches the
135 * given OS version.
136 *
137 * @param version the OS version to check for
138 * @return true if the OS matches
139 * @since 1.7
140 */
141 public static boolean isVersion(String version) {
142 return isOs(null, null, null, version);
143 }
144
145 /**
146 * Determines if the OS on which Ant is executing matches the
147 * given OS family, name, architecture and version
148 *
149 * @param family The OS family
150 * @param name The OS name
151 * @param arch The OS architecture
152 * @param version The OS version
153 * @return true if the OS matches
154 * @since 1.7
155 */
156 public static boolean isOs(String family, String name, String arch,
157 String version) {
158 boolean retValue = false;
159
160 if (family != null || name != null || arch != null
161 || version != null) {
162
163 boolean isFamily = true;
164 boolean isName = true;
165 boolean isArch = true;
166 boolean isVersion = true;
167
168 if (family != null) {
169
170 //windows probing logic relies on the word 'windows' in
171 //the OS
172 boolean isWindows = OS_NAME.indexOf(FAMILY_WINDOWS) > -1;
173 boolean is9x = false;
174 boolean isNT = false;
175 if(isWindows) {
176 //there are only four 9x platforms that we look for
177 is9x = (OS_NAME.indexOf("95") >= 0
178 || OS_NAME.indexOf("98") >= 0
179 || OS_NAME.indexOf("me") >= 0
180 //wince isn't really 9x, but crippled enough to
181 //be a muchness. Ant doesnt run on CE, anyway.
182 || OS_NAME.indexOf("ce") >= 0);
183 isNT = !is9x;
184 }
185 if (family.equals(FAMILY_WINDOWS)) {
186 isFamily = isWindows;
187 } else if (family.equals(FAMILY_9X)) {
188 isFamily = isWindows && is9x;
189 } else if (family.equals(FAMILY_NT)) {
190 isFamily = isWindows && isNT;
191 } else if (family.equals(FAMILY_OS2)) {
192 isFamily = OS_NAME.indexOf(FAMILY_OS2) > -1;
193 } else if (family.equals(FAMILY_NETWARE)) {
194 isFamily = OS_NAME.indexOf(FAMILY_NETWARE) > -1;
195 } else if (family.equals(FAMILY_DOS)) {
196 isFamily = PATH_SEP.equals(";") && !isFamily(FAMILY_NETWARE);
197 } else if (family.equals(FAMILY_MAC)) {
198 isFamily = OS_NAME.indexOf(FAMILY_MAC) > -1;
199 } else if (family.equals(FAMILY_TANDEM)) {
200 isFamily = OS_NAME.indexOf("nonstop_kernel") > -1;
201 } else if (family.equals(FAMILY_UNIX)) {
202 isFamily = PATH_SEP.equals(":")
203 && !isFamily(FAMILY_VMS)
204 && (!isFamily(FAMILY_MAC) || OS_NAME.endsWith("x"));
205 } else if (family.equals(FAMILY_ZOS)) {
206 isFamily = OS_NAME.indexOf(FAMILY_ZOS) > -1
207 || OS_NAME.indexOf("os/390") > -1;
208 } else if (family.equals(FAMILY_OS400)) {
209 isFamily = OS_NAME.indexOf(FAMILY_OS400) > -1;
210 } else if (family.equals(FAMILY_VMS)) {
211 isFamily = OS_NAME.indexOf(FAMILY_VMS) > -1;
212 } else {
213 throw new IllegalArgumentException(
214 "Don\'t know how to detect os family \""
215 + family + "\"");
216 }
217 }
218 if (name != null) {
219 isName = name.equals(OS_NAME);
220 }
221 if (arch != null) {
222 isArch = arch.equals(OS_ARCH);
223 }
224 if (version != null) {
225 isVersion = version.equals(OS_VERSION);
226 }
227 retValue = isFamily && isName && isArch && isVersion;
228 }
229 return retValue;
230 }
231 }