Class JavaVersion

java.lang.Object
org.eclipse.jetty.util.JavaVersion
public class JavaVersion extends Object
Java Version Utility class.

Parses java versions to extract a consistent set of version parts

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final String
    JAVA_TARGET_PLATFORM
    Context attribute that can be set to target a different version of the jvm than the current runtime.
    static final JavaVersion
    VERSION
     

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getMajor()
    Returns the major number version, such as 1 for JDK 1.8.0_92 and 9 for JDK 9.2.4.
    int
    getMicro()
    Returns the micro number version (aka security number), such as 0 for JDK 1.8.0_92 and 4 for JDK 9.2.4.
    int
    getMinor()
    Returns the minor number version, such as 8 for JDK 1.8.0_92 and 2 for JDK 9.2.4.
    int
    getPlatform()
    Returns the Java Platform version, such as 8 for JDK 1.8.0_92 and 9 for JDK 9.2.4.
    String
    getVersion()
    Get the string from which this JavaVersion was created.
    static JavaVersion
    parse(String v)
     
    String
    toString()
     

    Methods inherited from class Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Field Details

    • JAVA_TARGET_PLATFORM

      public static final String JAVA_TARGET_PLATFORM
      Context attribute that can be set to target a different version of the jvm than the current runtime. Acceptable values should correspond to those returned by JavaVersion.getPlatform().
      See Also:

    • VERSION

      public static final JavaVersion VERSION

  • Method Details

    • parse

      public static JavaVersion parse(String v)

    • getVersion

      public String getVersion()
      Get the string from which this JavaVersion was created.
      Returns:
      the string from which this JavaVersion was created

    • getPlatform

      public int getPlatform()

      Returns the Java Platform version, such as 8 for JDK 1.8.0_92 and 9 for JDK 9.2.4.

      Returns:
      the Java Platform version

    • getMajor

      public int getMajor()

      Returns the major number version, such as 1 for JDK 1.8.0_92 and 9 for JDK 9.2.4.

      Returns:
      the major number version

    • getMinor

      public int getMinor()

      Returns the minor number version, such as 8 for JDK 1.8.0_92 and 2 for JDK 9.2.4.

      Returns:
      the minor number version

    • getMicro

      public int getMicro()

      Returns the micro number version (aka security number), such as 0 for JDK 1.8.0_92 and 4 for JDK 9.2.4.

      Returns:
      the micro number version

    • toString

      public String toString()
      Overrides:
      toString in class Object