Showing the changes to java/pkg/sun/misc/Version.java.template (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,341 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.misc; | ||
| 27 | import java.io.PrintStream; | ||
| 28 | |||
| 29 | public class Version { | ||
| 30 | |||
| 31 | |||
| 32 | private static final String launcher_name = | ||
| 33 | "@@launcher_name@@"; | ||
| 34 | |||
| 35 | private static final String java_version = | ||
| 36 | "@@java_version@@"; | ||
| 37 | |||
| 38 | private static final String java_runtime_name = | ||
| 39 | "@@java_runtime_name@@"; | ||
| 40 | |||
| 41 | private static final String java_runtime_version = | ||
| 42 | "@@java_runtime_version@@"; | ||
| 43 | |||
| 44 | static { | ||
| 45 | init(); | ||
| 46 | } | ||
| 47 | |||
| 48 | public static void init() { | ||
| 49 | System.setProperty("java.version", java_version); | ||
| 50 | System.setProperty("java.runtime.version", java_runtime_version); | ||
| 51 | System.setProperty("java.runtime.name", java_runtime_name); | ||
| 52 | } | ||
| 53 | |||
| 54 | private static boolean versionsInitialized = false; | ||
| 55 | private static int jvm_major_version = 0; | ||
| 56 | private static int jvm_minor_version = 0; | ||
| 57 | private static int jvm_micro_version = 0; | ||
| 58 | private static int jvm_update_version = 0; | ||
| 59 | private static int jvm_build_number = 0; | ||
| 60 | private static String jvm_special_version = null; | ||
| 61 | private static int jdk_major_version = 0; | ||
| 62 | private static int jdk_minor_version = 0; | ||
| 63 | private static int jdk_micro_version = 0; | ||
| 64 | private static int jdk_update_version = 0; | ||
| 65 | private static int jdk_build_number = 0; | ||
| 66 | private static String jdk_special_version = null; | ||
| 67 | |||
| 68 | /** | ||
| 69 | * In case you were wondering this method is called by java -version. | ||
| 70 | * Sad that it prints to stderr; would be nicer if default printed on | ||
| 71 | * stdout. | ||
| 72 | */ | ||
| 73 | public static void print() { | ||
| 74 | print(System.err); | ||
| 75 | } | ||
| 76 | |||
| 77 | /** | ||
| 78 | * This is the same as print except that it adds an extra line-feed | ||
| 79 | * at the end, typically used by the -showversion in the launcher | ||
| 80 | */ | ||
| 81 | public static void println() { | ||
| 82 | print(System.err); | ||
| 83 | System.err.println(); | ||
| 84 | } | ||
| 85 | |||
| 86 | /** | ||
| 87 | * Give a stream, it will print version info on it. | ||
| 88 | */ | ||
| 89 | public static void print(PrintStream ps) { | ||
| 90 | boolean isHeadless = false; | ||
| 91 | |||
| 92 | /* Report that we're running headless if the property is true */ | ||
| 93 | String headless = System.getProperty("java.awt.headless"); | ||
| 94 | if ( (headless != null) && (headless.equalsIgnoreCase("true")) ) { | ||
| 95 | isHeadless = true; | ||
| 96 | } | ||
| 97 | |||
| 98 | /* First line: platform version. */ | ||
| 99 | ps.println(launcher_name + " version \"" + java_version + "\""); | ||
| 100 | |||
| 101 | /* Second line: runtime version (ie, libraries). */ | ||
| 102 | |||
| 103 | ps.print(java_runtime_name + " (build " + java_runtime_version); | ||
| 104 | |||
| 105 | if (java_runtime_name.indexOf("Embedded") != -1 && isHeadless) { | ||
| 106 | // embedded builds report headless state | ||
| 107 | ps.print(", headless"); | ||
| 108 | } | ||
| 109 | ps.println(')'); | ||
| 110 | |||
| 111 | /* Third line: JVM information. */ | ||
| 112 | String java_vm_name = System.getProperty("java.vm.name"); | ||
| 113 | String java_vm_version = System.getProperty("java.vm.version"); | ||
| 114 | String java_vm_info = System.getProperty("java.vm.info"); | ||
| 115 | ps.println(java_vm_name + " (build " + java_vm_version + ", " + | ||
| 116 | java_vm_info + ")"); | ||
| 117 | } | ||
| 118 | |||
| 119 | |||
| 120 | /** | ||
| 121 | * Returns the major version of the running JVM if it's 1.6 or newer | ||
| 122 | * or any RE VM build. It will return 0 if it's an internal 1.5 or | ||
| 123 | * 1.4.x build. | ||
| 124 | * | ||
| 125 | * @since 1.6 | ||
| 126 | */ | ||
| 127 | public static synchronized int jvmMajorVersion() { | ||
| 128 | if (!versionsInitialized) { | ||
| 129 | initVersions(); | ||
| 130 | } | ||
| 131 | return jvm_major_version; | ||
| 132 | } | ||
| 133 | |||
| 134 | /** | ||
| 135 | * Returns the minor version of the running JVM if it's 1.6 or newer | ||
| 136 | * or any RE VM build. It will return 0 if it's an internal 1.5 or | ||
| 137 | * 1.4.x build. | ||
| 138 | * @since 1.6 | ||
| 139 | */ | ||
| 140 | public static synchronized int jvmMinorVersion() { | ||
| 141 | if (!versionsInitialized) { | ||
| 142 | initVersions(); | ||
| 143 | } | ||
| 144 | return jvm_minor_version; | ||
| 145 | } | ||
| 146 | |||
| 147 | |||
| 148 | /** | ||
| 149 | * Returns the micro version of the running JVM if it's 1.6 or newer | ||
| 150 | * or any RE VM build. It will return 0 if it's an internal 1.5 or | ||
| 151 | * 1.4.x build. | ||
| 152 | * @since 1.6 | ||
| 153 | */ | ||
| 154 | public static synchronized int jvmMicroVersion() { | ||
| 155 | if (!versionsInitialized) { | ||
| 156 | initVersions(); | ||
| 157 | } | ||
| 158 | return jvm_micro_version; | ||
| 159 | } | ||
| 160 | |||
| 161 | /** | ||
| 162 | * Returns the update release version of the running JVM if it's | ||
| 163 | * a RE build. It will return 0 if it's an internal build. | ||
| 164 | * @since 1.6 | ||
| 165 | */ | ||
| 166 | public static synchronized int jvmUpdateVersion() { | ||
| 167 | if (!versionsInitialized) { | ||
| 168 | initVersions(); | ||
| 169 | } | ||
| 170 | return jvm_update_version; | ||
| 171 | } | ||
| 172 | |||
| 173 | public static synchronized String jvmSpecialVersion() { | ||
| 174 | if (!versionsInitialized) { | ||
| 175 | initVersions(); | ||
| 176 | } | ||
| 177 | if (jvm_special_version == null) { | ||
| 178 | jvm_special_version = getJvmSpecialVersion(); | ||
| 179 | } | ||
| 180 | return jvm_special_version; | ||
| 181 | } | ||
| 182 | public static native String getJvmSpecialVersion(); | ||
| 183 | |||
| 184 | /** | ||
| 185 | * Returns the build number of the running JVM if it's a RE build | ||
| 186 | * It will return 0 if it's an internal build. | ||
| 187 | * @since 1.6 | ||
| 188 | */ | ||
| 189 | public static synchronized int jvmBuildNumber() { | ||
| 190 | if (!versionsInitialized) { | ||
| 191 | initVersions(); | ||
| 192 | } | ||
| 193 | return jvm_build_number; | ||
| 194 | } | ||
| 195 | |||
| 196 | /** | ||
| 197 | * Returns the major version of the running JDK. | ||
| 198 | * | ||
| 199 | * @since 1.6 | ||
| 200 | */ | ||
| 201 | public static synchronized int jdkMajorVersion() { | ||
| 202 | if (!versionsInitialized) { | ||
| 203 | initVersions(); | ||
| 204 | } | ||
| 205 | return jdk_major_version; | ||
| 206 | } | ||
| 207 | |||
| 208 | /** | ||
| 209 | * Returns the minor version of the running JDK. | ||
| 210 | * @since 1.6 | ||
| 211 | */ | ||
| 212 | public static synchronized int jdkMinorVersion() { | ||
| 213 | if (!versionsInitialized) { | ||
| 214 | initVersions(); | ||
| 215 | } | ||
| 216 | return jdk_minor_version; | ||
| 217 | } | ||
| 218 | |||
| 219 | /** | ||
| 220 | * Returns the micro version of the running JDK. | ||
| 221 | * @since 1.6 | ||
| 222 | */ | ||
| 223 | public static synchronized int jdkMicroVersion() { | ||
| 224 | if (!versionsInitialized) { | ||
| 225 | initVersions(); | ||
| 226 | } | ||
| 227 | return jdk_micro_version; | ||
| 228 | } | ||
| 229 | |||
| 230 | /** | ||
| 231 | * Returns the update release version of the running JDK if it's | ||
| 232 | * a RE build. It will return 0 if it's an internal build. | ||
| 233 | * @since 1.6 | ||
| 234 | */ | ||
| 235 | public static synchronized int jdkUpdateVersion() { | ||
| 236 | if (!versionsInitialized) { | ||
| 237 | initVersions(); | ||
| 238 | } | ||
| 239 | return jdk_update_version; | ||
| 240 | } | ||
| 241 | |||
| 242 | public static synchronized String jdkSpecialVersion() { | ||
| 243 | if (!versionsInitialized) { | ||
| 244 | initVersions(); | ||
| 245 | } | ||
| 246 | if (jdk_special_version == null) { | ||
| 247 | jdk_special_version = getJdkSpecialVersion(); | ||
| 248 | } | ||
| 249 | return jdk_special_version; | ||
| 250 | } | ||
| 251 | public static native String getJdkSpecialVersion(); | ||
| 252 | |||
| 253 | /** | ||
| 254 | * Returns the build number of the running JDK if it's a RE build | ||
| 255 | * It will return 0 if it's an internal build. | ||
| 256 | * @since 1.6 | ||
| 257 | */ | ||
| 258 | public static synchronized int jdkBuildNumber() { | ||
| 259 | if (!versionsInitialized) { | ||
| 260 | initVersions(); | ||
| 261 | } | ||
| 262 | return jdk_build_number; | ||
| 263 | } | ||
| 264 | |||
| 265 | // true if JVM exports the version info including the capabilities | ||
| 266 | private static boolean jvmVersionInfoAvailable; | ||
| 267 | private static synchronized void initVersions() { | ||
| 268 | if (versionsInitialized) { | ||
| 269 | return; | ||
| 270 | } | ||
| 271 | jvmVersionInfoAvailable = getJvmVersionInfo(); | ||
| 272 | if (!jvmVersionInfoAvailable) { | ||
| 273 | // parse java.vm.version for older JVM before the | ||
| 274 | // new JVM_GetVersionInfo is added. | ||
| 275 | // valid format of the version string is: | ||
| 276 | // n.n.n[_uu[c]][-<identifer>]-bxx | ||
| 277 | CharSequence cs = System.getProperty("java.vm.version"); | ||
| 278 | if (cs.length() >= 5 && | ||
| 279 | Character.isDigit(cs.charAt(0)) && cs.charAt(1) == '.' && | ||
| 280 | Character.isDigit(cs.charAt(2)) && cs.charAt(3) == '.' && | ||
| 281 | Character.isDigit(cs.charAt(4))) { | ||
| 282 | jvm_major_version = Character.digit(cs.charAt(0), 10); | ||
| 283 | jvm_minor_version = Character.digit(cs.charAt(2), 10); | ||
| 284 | jvm_micro_version = Character.digit(cs.charAt(4), 10); | ||
| 285 | cs = cs.subSequence(5, cs.length()); | ||
| 286 | if (cs.charAt(0) == '_' && cs.length() >= 3 && | ||
| 287 | Character.isDigit(cs.charAt(1)) && | ||
| 288 | Character.isDigit(cs.charAt(2))) { | ||
| 289 | int nextChar = 3; | ||
| 290 | try { | ||
| 291 | String uu = cs.subSequence(1, 3).toString(); | ||
| 292 | jvm_update_version = Integer.valueOf(uu).intValue(); | ||
| 293 | if (cs.length() >= 4) { | ||
| 294 | char c = cs.charAt(3); | ||
| 295 | if (c >= 'a' && c <= 'z') { | ||
| 296 | jvm_special_version = Character.toString(c); | ||
| 297 | nextChar++; | ||
| 298 | } | ||
| 299 | } | ||
| 300 | } catch (NumberFormatException e) { | ||
| 301 | // not conforming to the naming convention | ||
| 302 | return; | ||
| 303 | } | ||
| 304 | cs = cs.subSequence(nextChar, cs.length()); | ||
| 305 | } | ||
| 306 | if (cs.charAt(0) == '-') { | ||
| 307 | // skip the first character | ||
| 308 | // valid format: <identifier>-bxx or bxx | ||
| 309 | // non-product VM will have -debug|-release appended | ||
| 310 | cs = cs.subSequence(1, cs.length()); | ||
| 311 | String[] res = cs.toString().split("-"); | ||
| 312 | for (String s : res) { | ||
| 313 | if (s.charAt(0) == 'b' && s.length() == 3 && | ||
| 314 | Character.isDigit(s.charAt(1)) && | ||
| 315 | Character.isDigit(s.charAt(2))) { | ||
| 316 | jvm_build_number = | ||
| 317 | Integer.valueOf(s.substring(1, 3)).intValue(); | ||
| 318 | break; | ||
| 319 | } | ||
| 320 | } | ||
| 321 | } | ||
| 322 | } | ||
| 323 | } | ||
| 324 | getJdkVersionInfo(); | ||
| 325 | versionsInitialized = true; | ||
| 326 | } | ||
| 327 | |||
| 328 | // Gets the JVM version info if available and sets the jvm_*_version fields | ||
| 329 | // and its capabilities. | ||
| 330 | // | ||
| 331 | // Return false if not available which implies an old VM (Tiger or before). | ||
| 332 | private static native boolean getJvmVersionInfo(); | ||
| 333 | private static native void getJdkVersionInfo(); | ||
| 334 | |||
| 335 | } | ||
| 336 | |||
| 337 | // Help Emacs a little because this file doesn't end in .java. | ||
| 338 | // | ||
| 339 | // Local Variables: *** | ||
| 340 | // mode: java *** | ||
| 341 | // End: *** | ||