Package org.apache.tomcat.util.compat

Class JreCompat

java.lang.Object
org.apache.tomcat.util.compat.JreCompat
Direct Known Subclasses:
Jre19Compat
public class JreCompat extends Object
This is the base implementation class for JRE compatibility and provides an implementation based on Java 11. Sub-classes may extend this class and provide alternative implementations for later JRE versions

  • Constructor Details

    • JreCompat

      public JreCompat()

  • Method Details

    • getInstance

      public static JreCompat getInstance()

    • isGraalAvailable

      public static boolean isGraalAvailable()

    • isJre16Available

      public static boolean isJre16Available()

    • isJre19Available

      public static boolean isJre19Available()

    • getUnixDomainSocketAddress

      public SocketAddress getUnixDomainSocketAddress(String path)
      Return Unix domain socket address for given path.
      Parameters:
      path - The path
      Returns:
      the socket address

    • openUnixDomainServerSocketChannel

      public ServerSocketChannel openUnixDomainServerSocketChannel()
      Create server socket channel using the Unix domain socket ProtocolFamily.
      Returns:
      the server socket channel

    • openUnixDomainSocketChannel

      public SocketChannel openUnixDomainSocketChannel()
      Create socket channel using the Unix domain socket ProtocolFamily.
      Returns:
      the socket channel

    • getExecutor

      public Object getExecutor(Thread thread) throws NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException
      Obtains the executor, if any, used to create the provided thread.
      Parameters:
      thread - The thread to examine
      Returns:
      The executor, if any, that created the provided thread
      Throws:
      NoSuchFieldException - If a field used via reflection to obtain the executor cannot be found
      SecurityException - If a security exception occurs while trying to identify the executor
      IllegalArgumentException - If the instance object does not match the class of the field when obtaining a field value via reflection
      IllegalAccessException - If a field is not accessible due to access restrictions