Class JDKHooks

  • Direct Known Subclasses:
    JDK11Hooks, JDK12Hooks

    public abstract class JDKHooks
    extends java.lang.Object
    Author:
    Richard A. Sitze
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected JDKHooks()  
    • Method Summary

      All Methods Static Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      static JDKHooks getJDKHooks()
      Return singleton object representing JVM hooks/tools.
      abstract java.util.Enumeration getResources​(java.lang.ClassLoader loader, java.lang.String resourceName)  
      abstract java.lang.ClassLoader getSystemClassLoader()
      The system class loader is available for JDK 1.2 or later, if certain security conditions are met.
      abstract java.lang.String getSystemProperty​(java.lang.String propName)
      Get the system property
      abstract java.lang.ClassLoader getThreadContextClassLoader()
      The thread context class loader is available for JDK 1.2 or later, if certain security conditions are met.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • JDKHooks

        protected JDKHooks()
    • Method Detail

      • getJDKHooks

        public static final JDKHooks getJDKHooks()
        Return singleton object representing JVM hooks/tools. TODO: add logic to detect JDK level.
      • getSystemProperty

        public abstract java.lang.String getSystemProperty​(java.lang.String propName)
        Get the system property
        Parameters:
        propName - name of the property
        Returns:
        value of the property
      • getThreadContextClassLoader

        public abstract java.lang.ClassLoader getThreadContextClassLoader()
        The thread context class loader is available for JDK 1.2 or later, if certain security conditions are met.
        Returns:
        The thread context class loader, if available. Otherwise return null.
      • getSystemClassLoader

        public abstract java.lang.ClassLoader getSystemClassLoader()
        The system class loader is available for JDK 1.2 or later, if certain security conditions are met.
        Returns:
        The system class loader, if available. Otherwise return null.
      • getResources

        public abstract java.util.Enumeration getResources​(java.lang.ClassLoader loader,
                                                           java.lang.String resourceName)
                                                    throws java.io.IOException
        Throws:
        java.io.IOException