--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/misc/Version.java.template Wed Oct 28 12:54:37 2009 -0700
@@ -0,0 +1,327 @@
+/*
+ * Copyright 1999-2007 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.misc;
+import java.io.PrintStream;
+
+public class Version {
+
+
+ private static final String launcher_name =
+ "@@launcher_name@@";
+
+ private static final String java_version =
+ "@@java_version@@";
+
+ private static final String java_runtime_name =
+ "@@java_runtime_name@@";
+
+ private static final String java_runtime_version =
+ "@@java_runtime_version@@";
+
+ static {
+ init();
+ }
+
+ public static void init() {
+ System.setProperty("java.version", java_version);
+ System.setProperty("java.runtime.version", java_runtime_version);
+ System.setProperty("java.runtime.name", java_runtime_name);
+ }
+
+ private static boolean versionsInitialized = false;
+ private static int jvm_major_version = 0;
+ private static int jvm_minor_version = 0;
+ private static int jvm_micro_version = 0;
+ private static int jvm_update_version = 0;
+ private static int jvm_build_number = 0;
+ private static String jvm_special_version = null;
+ private static int jdk_major_version = 0;
+ private static int jdk_minor_version = 0;
+ private static int jdk_micro_version = 0;
+ private static int jdk_update_version = 0;
+ private static int jdk_build_number = 0;
+ private static String jdk_special_version = null;
+
+ /**
+ * In case you were wondering this method is called by java -version.
+ * Sad that it prints to stderr; would be nicer if default printed on
+ * stdout.
+ */
+ public static void print() {
+ print(System.err);
+ }
+
+ /**
+ * This is the same as print except that it adds an extra line-feed
+ * at the end, typically used by the -showversion in the launcher
+ */
+ public static void println() {
+ print(System.err);
+ System.err.println();
+ }
+
+ /**
+ * Give a stream, it will print version info on it.
+ */
+ public static void print(PrintStream ps) {
+ /* First line: platform version. */
+ ps.println(launcher_name + " version \"" + java_version + "\"");
+
+ /* Second line: runtime version (ie, libraries). */
+ ps.println(java_runtime_name + " (build " +
+ java_runtime_version + ")");
+
+ /* Third line: JVM information. */
+ String java_vm_name = System.getProperty("java.vm.name");
+ String java_vm_version = System.getProperty("java.vm.version");
+ String java_vm_info = System.getProperty("java.vm.info");
+ ps.println(java_vm_name + " (build " + java_vm_version + ", " +
+ java_vm_info + ")");
+ }
+
+
+ /**
+ * Returns the major version of the running JVM if it's 1.6 or newer
+ * or any RE VM build. It will return 0 if it's an internal 1.5 or
+ * 1.4.x build.
+ *
+ * @since 1.6
+ */
+ public static synchronized int jvmMajorVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jvm_major_version;
+ }
+
+ /**
+ * Returns the minor version of the running JVM if it's 1.6 or newer
+ * or any RE VM build. It will return 0 if it's an internal 1.5 or
+ * 1.4.x build.
+ * @since 1.6
+ */
+ public static synchronized int jvmMinorVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jvm_minor_version;
+ }
+
+
+ /**
+ * Returns the micro version of the running JVM if it's 1.6 or newer
+ * or any RE VM build. It will return 0 if it's an internal 1.5 or
+ * 1.4.x build.
+ * @since 1.6
+ */
+ public static synchronized int jvmMicroVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jvm_micro_version;
+ }
+
+ /**
+ * Returns the update release version of the running JVM if it's
+ * a RE build. It will return 0 if it's an internal build.
+ * @since 1.6
+ */
+ public static synchronized int jvmUpdateVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jvm_update_version;
+ }
+
+ public static synchronized String jvmSpecialVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ if (jvm_special_version == null) {
+ jvm_special_version = getJvmSpecialVersion();
+ }
+ return jvm_special_version;
+ }
+ public static native String getJvmSpecialVersion();
+
+ /**
+ * Returns the build number of the running JVM if it's a RE build
+ * It will return 0 if it's an internal build.
+ * @since 1.6
+ */
+ public static synchronized int jvmBuildNumber() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jvm_build_number;
+ }
+
+ /**
+ * Returns the major version of the running JDK.
+ *
+ * @since 1.6
+ */
+ public static synchronized int jdkMajorVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jdk_major_version;
+ }
+
+ /**
+ * Returns the minor version of the running JDK.
+ * @since 1.6
+ */
+ public static synchronized int jdkMinorVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jdk_minor_version;
+ }
+
+ /**
+ * Returns the micro version of the running JDK.
+ * @since 1.6
+ */
+ public static synchronized int jdkMicroVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jdk_micro_version;
+ }
+
+ /**
+ * Returns the update release version of the running JDK if it's
+ * a RE build. It will return 0 if it's an internal build.
+ * @since 1.6
+ */
+ public static synchronized int jdkUpdateVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jdk_update_version;
+ }
+
+ public static synchronized String jdkSpecialVersion() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ if (jdk_special_version == null) {
+ jdk_special_version = getJdkSpecialVersion();
+ }
+ return jdk_special_version;
+ }
+ public static native String getJdkSpecialVersion();
+
+ /**
+ * Returns the build number of the running JDK if it's a RE build
+ * It will return 0 if it's an internal build.
+ * @since 1.6
+ */
+ public static synchronized int jdkBuildNumber() {
+ if (!versionsInitialized) {
+ initVersions();
+ }
+ return jdk_build_number;
+ }
+
+ // true if JVM exports the version info including the capabilities
+ private static boolean jvmVersionInfoAvailable;
+ private static synchronized void initVersions() {
+ if (versionsInitialized) {
+ return;
+ }
+ jvmVersionInfoAvailable = getJvmVersionInfo();
+ if (!jvmVersionInfoAvailable) {
+ // parse java.vm.version for older JVM before the
+ // new JVM_GetVersionInfo is added.
+ // valid format of the version string is:
+ // n.n.n[_uu[c]][-<identifer>]-bxx
+ CharSequence cs = System.getProperty("java.vm.version");
+ if (cs.length() >= 5 &&
+ Character.isDigit(cs.charAt(0)) && cs.charAt(1) == '.' &&
+ Character.isDigit(cs.charAt(2)) && cs.charAt(3) == '.' &&
+ Character.isDigit(cs.charAt(4))) {
+ jvm_major_version = Character.digit(cs.charAt(0), 10);
+ jvm_minor_version = Character.digit(cs.charAt(2), 10);
+ jvm_micro_version = Character.digit(cs.charAt(4), 10);
+ cs = cs.subSequence(5, cs.length());
+ if (cs.charAt(0) == '_' && cs.length() >= 3 &&
+ Character.isDigit(cs.charAt(1)) &&
+ Character.isDigit(cs.charAt(2))) {
+ int nextChar = 3;
+ try {
+ String uu = cs.subSequence(1, 3).toString();
+ jvm_update_version = Integer.valueOf(uu).intValue();
+ if (cs.length() >= 4) {
+ char c = cs.charAt(3);
+ if (c >= 'a' && c <= 'z') {
+ jvm_special_version = Character.toString(c);
+ nextChar++;
+ }
+ }
+ } catch (NumberFormatException e) {
+ // not conforming to the naming convention
+ return;
+ }
+ cs = cs.subSequence(nextChar, cs.length());
+ }
+ if (cs.charAt(0) == '-') {
+ // skip the first character
+ // valid format: <identifier>-bxx or bxx
+ // non-product VM will have -debug|-release appended
+ cs = cs.subSequence(1, cs.length());
+ String[] res = cs.toString().split("-");
+ for (String s : res) {
+ if (s.charAt(0) == 'b' && s.length() == 3 &&
+ Character.isDigit(s.charAt(1)) &&
+ Character.isDigit(s.charAt(2))) {
+ jvm_build_number =
+ Integer.valueOf(s.substring(1, 3)).intValue();
+ break;
+ }
+ }
+ }
+ }
+ }
+ getJdkVersionInfo();
+ versionsInitialized = true;
+ }
+
+ // Gets the JVM version info if available and sets the jvm_*_version fields
+ // and its capabilities.
+ //
+ // Return false if not available which implies an old VM (Tiger or before).
+ private static native boolean getJvmVersionInfo();
+ private static native void getJdkVersionInfo();
+
+}
+
+// Help Emacs a little because this file doesn't end in .java.
+//
+// Local Variables: ***
+// mode: java ***
+// End: ***