Class Jre21Compat

java.lang.Object
org.apache.tomcat.util.compat.JreCompat
org.apache.tomcat.util.compat.Jre12Compat
org.apache.tomcat.util.compat.Jre19Compat
org.apache.tomcat.util.compat.Jre20Compat
org.apache.tomcat.util.compat.Jre21Compat
Direct Known Subclasses:
Jre22Compat
public class Jre21Compat extends Jre20Compat

  • Constructor Details

    • Jre21Compat

      public Jre21Compat()

  • Method Details

    • createVirtualThreadBuilder

      public Object createVirtualThreadBuilder(String name)
      Description copied from class: JreCompat
      Create a thread builder for virtual threads using the given name to name the threads.
      Overrides:
      createVirtualThreadBuilder in class JreCompat
      Parameters:
      name - The base name for the threads
      Returns:
      The thread buidler for virtual threads

    • threadBuilderStart

      public void threadBuilderStart(Object threadBuilder, Runnable command)
      Description copied from class: JreCompat
      Create a thread with the given thread builder and use it to execute the given runnable.
      Overrides:
      threadBuilderStart in class JreCompat
      Parameters:
      threadBuilder - The thread builder to use to create a thread
      command - The command to run

    • callAs

      public <T> T callAs(Subject subject, Callable<T> action) throws CompletionException
      Overrides:
      callAs in class JreCompat
      Throws:
      CompletionException

    • isCanonCachesDisabled

      public boolean isCanonCachesDisabled()
      Overrides:
      isCanonCachesDisabled in class Jre12Compat

    • disableCanonCaches

      public boolean disableCanonCaches()
      Description copied from class: JreCompat
      Disable the global canonical file cache.
      Overrides:
      disableCanonCaches in class JreCompat
      Returns:
      true if the global canonical file cache was already disabled prior to this call or was disabled as a result of this call, otherwise false

    • getUnixDomainSocketAddress

      public SocketAddress getUnixDomainSocketAddress(String path)
      Description copied from class: JreCompat
      Return Unix domain socket address for given path.
      Overrides:
      getUnixDomainSocketAddress in class JreCompat
      Parameters:
      path - The path
      Returns:
      the socket address

    • openUnixDomainServerSocketChannel

      public ServerSocketChannel openUnixDomainServerSocketChannel()
      Description copied from class: JreCompat
      Create server socket channel using the Unix domain socket ProtocolFamily.
      Overrides:
      openUnixDomainServerSocketChannel in class JreCompat
      Returns:
      the server socket channel

    • openUnixDomainSocketChannel

      public SocketChannel openUnixDomainSocketChannel()
      Description copied from class: JreCompat
      Create socket channel using the Unix domain socket ProtocolFamily.
      Overrides:
      openUnixDomainSocketChannel in class JreCompat
      Returns:
      the socket channel

    • isInstanceOfInaccessibleObjectException

      public boolean isInstanceOfInaccessibleObjectException(Throwable t)
      Description copied from class: JreCompat
      Test if the provided exception is an instance of java.lang.reflect.InaccessibleObjectException.
      Overrides:
      isInstanceOfInaccessibleObjectException in class JreCompat
      Parameters:
      t - The exception to test
      Returns:
      true if the exception is an instance of InaccessibleObjectException, otherwise false

    • disableCachingForJarUrlConnections

      public void disableCachingForJarUrlConnections() throws IOException
      Description copied from class: JreCompat
      Disables caching for JAR URL connections. For Java 8 and earlier, this also disables caching for ALL URL connections.
      Overrides:
      disableCachingForJarUrlConnections in class JreCompat
      Throws:
      IOException - If a dummy JAR URLConnection can not be created

    • addBootModulePath

      public void addBootModulePath(Deque<URL> classPathUrlsToProcess)
      Description copied from class: JreCompat
      Obtains the URLs for all the JARs on the module path when the JVM starts and adds them to the provided Deque.
      Overrides:
      addBootModulePath in class JreCompat
      Parameters:
      classPathUrlsToProcess - The Deque to which the modules should be added

    • jarFileNewInstance

      public JarFile jarFileNewInstance(File f) throws IOException
      Description copied from class: JreCompat
      Creates a new JarFile instance. When running on Java 9 and later, the JarFile will be multi-release JAR aware.
      Overrides:
      jarFileNewInstance in class JreCompat
      Parameters:
      f - The JAR file to open
      Returns:
      A JarFile instance based on the provided file
      Throws:
      IOException - If an I/O error occurs creating the JarFile instance

    • jarFileIsMultiRelease

      public boolean jarFileIsMultiRelease(JarFile jarFile)
      Description copied from class: JreCompat
      Is this JarFile a multi-release JAR file.
      Overrides:
      jarFileIsMultiRelease in class JreCompat
      Parameters:
      jarFile - The JarFile to test
      Returns:
      true If it is a multi-release JAR file and is configured to behave as such.

    • jarFileRuntimeMajorVersion

      public int jarFileRuntimeMajorVersion()
      Overrides:
      jarFileRuntimeMajorVersion in class JreCompat

    • canAccess

      public boolean canAccess(Object base, AccessibleObject accessibleObject)
      Description copied from class: JreCompat
      Is the accessibleObject accessible (as a result of appropriate module exports) on the provided instance?
      Overrides:
      canAccess in class JreCompat
      Parameters:
      base - The specific instance to be tested.
      accessibleObject - The method/field/constructor to be tested.
      Returns:
      {code true} if the AccessibleObject can be accessed otherwise {code false}

    • isExported

      public boolean isExported(Class<?> type)
      Description copied from class: JreCompat
      Is the given class in an exported package?
      Overrides:
      isExported in class JreCompat
      Parameters:
      type - The class to test
      Returns:
      Always true for Java 8. true if the enclosing package is exported for Java 9+

    • getModuleName

      public String getModuleName(Class<?> type)
      Description copied from class: JreCompat
      What is the module of the given class?
      Overrides:
      getModuleName in class JreCompat
      Parameters:
      type - The class to test
      Returns:
      Always true for Java 8. true if the enclosing package is exported for Java 9+