test/sun/misc/Version/Version.java
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*** 28,42 ****
* @modules java.base/sun.misc
* @compile -XDignore.symbol.file Version.java
* @run main Version
*/
import static sun.misc.Version.*;
public class Version {
public static void main(String[] args) throws Exception {
! VersionInfo jdk = newVersionInfo(System.getProperty("java.runtime.version"));
VersionInfo v1 = new VersionInfo(jdkMajorVersion(),
jdkMinorVersion(),
jdkMicroVersion(),
jdkUpdateVersion(),
jdkSpecialVersion(),
--- 28,44 ----
* @modules java.base/sun.misc
* @compile -XDignore.symbol.file Version.java
* @run main Version
*/
+ import java.util.regex.*;
import static sun.misc.Version.*;
+
public class Version {
public static void main(String[] args) throws Exception {
! VersionInfo jdk = jdkVersionInfo(System.getProperty("java.runtime.version"));
VersionInfo v1 = new VersionInfo(jdkMajorVersion(),
jdkMinorVersion(),
jdkMicroVersion(),
jdkUpdateVersion(),
jdkSpecialVersion(),
*** 43,53 ****
jdkBuildNumber());
System.out.println("JDK version = " + jdk + " " + v1);
if (!jdk.equals(v1)) {
throw new RuntimeException("Unmatched version: " + jdk + " vs " + v1);
}
! VersionInfo jvm = newVersionInfo(System.getProperty("java.vm.version"));
VersionInfo v2 = new VersionInfo(jvmMajorVersion(),
jvmMinorVersion(),
jvmMicroVersion(),
jvmUpdateVersion(),
jvmSpecialVersion(),
--- 45,55 ----
jdkBuildNumber());
System.out.println("JDK version = " + jdk + " " + v1);
if (!jdk.equals(v1)) {
throw new RuntimeException("Unmatched version: " + jdk + " vs " + v1);
}
! VersionInfo jvm = jvmVersionInfo(System.getProperty("java.vm.version"));
VersionInfo v2 = new VersionInfo(jvmMajorVersion(),
jvmMinorVersion(),
jvmMicroVersion(),
jvmUpdateVersion(),
jvmSpecialVersion(),
*** 94,169 ****
sb.append("-b" + build);
return sb.toString();
}
}
! private static VersionInfo newVersionInfo(String version) throws Exception {
// valid format of the version string is:
! // n.n.n[_uu[c]][-<identifer>]-bxx
int major = 0;
int minor = 0;
int micro = 0;
int update = 0;
String special = "";
int build = 0;
! CharSequence cs = version;
! if (cs.length() >= 5) {
! if (Character.isDigit(cs.charAt(0)) && cs.charAt(1) == '.' &&
! Character.isDigit(cs.charAt(2)) && cs.charAt(3) == '.' &&
! Character.isDigit(cs.charAt(4))) {
! major = Character.digit(cs.charAt(0), 10);
! minor = Character.digit(cs.charAt(2), 10);
! micro = Character.digit(cs.charAt(4), 10);
! cs = cs.subSequence(5, cs.length());
! } else if (Character.isDigit(cs.charAt(0)) &&
! Character.isDigit(cs.charAt(1)) && cs.charAt(2) == '.' &&
! Character.isDigit(cs.charAt(3))) {
! // HSX has nn.n[n] (major.minor) version
! major = Integer.valueOf(version.substring(0, 2)).intValue();
! if (Character.isDigit(cs.charAt(4))) {
! minor = Integer.valueOf(version.substring(3, 5)).intValue();
! cs = cs.subSequence(5, cs.length());
}
! else {
! minor = Character.digit(cs.charAt(3), 10);
! cs = cs.subSequence(4, cs.length());
! }
! }
! if (cs.charAt(0) == '_' && cs.length() >= 3 &&
! Character.isDigit(cs.charAt(1)) &&
! Character.isDigit(cs.charAt(2))) {
! int nextChar = 3;
! String uu = cs.subSequence(1, 3).toString();
! update = Integer.valueOf(uu).intValue();
! if (cs.length() >= 4) {
! char c = cs.charAt(3);
! if (c >= 'a' && c <= 'z') {
! special = Character.toString(c);
! nextChar++;
! }
! }
! 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 (int i = res.length - 1; i >= 0; i--) {
! String s = res[i];
! if (s.charAt(0) == 'b') {
try {
! build = Integer.parseInt(s.substring(1, s.length()));
! break;
! } catch (NumberFormatException nfe) {
! // ignore
! }
! }
! }
! }
! }
! VersionInfo vi = new VersionInfo(major, minor, micro, update, special, build);
! System.out.printf("newVersionInfo: input=%s output=%s\n", version, vi);
return vi;
}
}
--- 96,170 ----
sb.append("-b" + build);
return sb.toString();
}
}
! private static VersionInfo jdkVersionInfo(String version) throws Exception {
// valid format of the version string is:
! // <major>.<minor>[.<micro>][_uu[c]][-<identifier>]-bxx
int major = 0;
int minor = 0;
int micro = 0;
int update = 0;
String special = "";
int build = 0;
!
! String regex = "^([0-9]{1,2})"; // major
! regex += "\\."; // separator
! regex += "([0-9]{1,2})"; // minor
! regex += "(\\."; // separator
! regex += "([0-9]{1,2})"; // micro
! regex += ")?"; // micro is optional
! regex += "(_";
! regex += "([0-9]{2,3})"; // update
! regex += "([a-z])?"; // special char (optional)
! regex += ")?"; // _uu[c] is optional
! regex += ".*"; // -<identifier>
! regex += "(\\-b([0-9]{1,3}$))"; // JDK -bxx
!
! Pattern p = Pattern.compile(regex);
! Matcher m = p.matcher(version);
! m.matches();
!
! major = Integer.parseInt(m.group(1));
! minor = Integer.parseInt(m.group(2));
! micro = (m.group(4) == null) ? 0 : Integer.parseInt(m.group(4));
! update = (m.group(6) == null) ? 0 : Integer.parseInt(m.group(6));
! special = (m.group(7) == null) ? "" : m.group(7);
! build = Integer.parseInt(m.group(9));
!
! VersionInfo vi = new VersionInfo(major, minor, micro, update, special, build);
! System.out.printf("jdkVersionInfo: input=%s output=%s\n", version, vi);
! return vi;
}
!
! private static VersionInfo jvmVersionInfo(String version) throws Exception {
try {
! // valid format of the version string is:
! // <major>.<minor>-bxx[-<identifier>][-<debug_flavor>]
! int major = 0;
! int minor = 0;
! int build = 0;
!
! String regex = "^([0-9]{1,2})"; // major
! regex += "\\."; // separator
! regex += "([0-9]{1,2})"; // minor
! regex += "(\\-b([0-9]{1,3}))"; // JVM -bxx
! regex += ".*";
!
! Pattern p = Pattern.compile(regex);
! Matcher m = p.matcher(version);
! m.matches();
!
! major = Integer.parseInt(m.group(1));
! minor = Integer.parseInt(m.group(2));
! build = Integer.parseInt(m.group(4));
!
! VersionInfo vi = new VersionInfo(major, minor, 0, 0, "", build);
! System.out.printf("jvmVersionInfo: input=%s output=%s\n", version, vi);
return vi;
+ } catch (IllegalStateException e) {
+ // local builds may also follow the jdkVersionInfo format
+ return jdkVersionInfo(version);
}
+ }
}