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19 package org.apache.maven.internal.impl.model.profile;
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21 import java.util.Locale;
22 import java.util.stream.Stream;
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26
27 public class Os {
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32 public static final String OS_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
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37 public static final String OS_ARCH = System.getProperty("os.arch").toLowerCase(Locale.ENGLISH);
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42 public static final String OS_VERSION = System.getProperty("os.version").toLowerCase(Locale.ENGLISH);
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47 public static final String OS_FAMILY;
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52 public static final boolean IS_WINDOWS;
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57 private static final String FAMILY_WINDOWS = "windows";
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62 private static final String FAMILY_WIN9X = "win9x";
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67 public static final String FAMILY_NT = "winnt";
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72 private static final String FAMILY_OS2 = "os/2";
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77 private static final String FAMILY_NETWARE = "netware";
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82 private static final String FAMILY_DOS = "dos";
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87 private static final String FAMILY_MAC = "mac";
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92 private static final String FAMILY_TANDEM = "tandem";
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97 private static final String FAMILY_UNIX = "unix";
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102 private static final String FAMILY_OPENVMS = "openvms";
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107 private static final String FAMILY_ZOS = "z/os";
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112 private static final String FAMILY_OS390 = "os/390";
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117 private static final String FAMILY_OS400 = "os/400";
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125 private static final String DARWIN = "darwin";
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130 private static final String PATH_SEP = System.getProperty("path.separator");
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132 static {
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136 OS_FAMILY = getOsFamily();
137 IS_WINDOWS = isFamily(FAMILY_WINDOWS);
138 }
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140 private Os() {}
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150 public static boolean isFamily(String family) {
151 return isFamily(family, OS_NAME);
152 }
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163 public static boolean isFamily(String family, String actualOsName) {
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165 boolean isWindows = actualOsName.contains(FAMILY_WINDOWS);
166 boolean is9x = false;
167 boolean isNT = false;
168 if (isWindows) {
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170 is9x = (actualOsName.contains("95")
171 || actualOsName.contains("98")
172 || actualOsName.contains("me")
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175 || actualOsName.contains("ce"));
176 isNT = !is9x;
177 }
178 switch (family) {
179 case FAMILY_WINDOWS:
180 return isWindows;
181 case FAMILY_WIN9X:
182 return isWindows && is9x;
183 case FAMILY_NT:
184 return isWindows && isNT;
185 case FAMILY_OS2:
186 return actualOsName.contains(FAMILY_OS2);
187 case FAMILY_NETWARE:
188 return actualOsName.contains(FAMILY_NETWARE);
189 case FAMILY_DOS:
190 return PATH_SEP.equals(";") && !isFamily(FAMILY_NETWARE, actualOsName) && !isWindows;
191 case FAMILY_MAC:
192 return actualOsName.contains(FAMILY_MAC) || actualOsName.contains(DARWIN);
193 case FAMILY_TANDEM:
194 return actualOsName.contains("nonstop_kernel");
195 case FAMILY_UNIX:
196 return PATH_SEP.equals(":")
197 && !isFamily(FAMILY_OPENVMS, actualOsName)
198 && (!isFamily(FAMILY_MAC, actualOsName) || actualOsName.endsWith("x"));
199 case FAMILY_ZOS:
200 return actualOsName.contains(FAMILY_ZOS) || actualOsName.contains(FAMILY_OS390);
201 case FAMILY_OS400:
202 return actualOsName.contains(FAMILY_OS400);
203 case FAMILY_OPENVMS:
204 return actualOsName.contains(FAMILY_OPENVMS);
205 default:
206 return actualOsName.contains(family.toLowerCase(Locale.US));
207 }
208 }
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215 private static String getOsFamily() {
216 return Stream.of(
217 FAMILY_DOS,
218 FAMILY_MAC,
219 FAMILY_NETWARE,
220 FAMILY_NT,
221 FAMILY_OPENVMS,
222 FAMILY_OS2,
223 FAMILY_OS400,
224 FAMILY_TANDEM,
225 FAMILY_UNIX,
226 FAMILY_WIN9X,
227 FAMILY_WINDOWS,
228 FAMILY_ZOS)
229 .filter(Os::isFamily)
230 .findFirst()
231 .orElse(null);
232 }
233 }