Package org.apache.log4j.helpers

Class Loader

  • public class Loader
extends java.lang.Object
    Loads resources (or images) from various sources.

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static boolean ignoreTCL  
      (package private) static java.lang.String TSTR  

    • Constructor Summary

      Constructors 
      Constructor Description
      Loader()  

    • Method Summary

      All Methods Static Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      static java.net.URL getResource​(java.lang.String resource)
      This method will search for resource in different places.
      static java.net.URL getResource​(java.lang.String resource, java.lang.Class clazz)
      Deprecated.
      as of 1.2.
      private static java.lang.ClassLoader getTCL()
      Shorthand for Thread.currentThread().getContextClassLoader().
      static boolean isJava1()
      Always returns false since Java 1.x support is long gone.
      static java.lang.Class loadClass​(java.lang.String clazz)
      Loads the specified class using the Thread contextClassLoader, if that fails try Class.forname.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • ignoreTCL

        private static boolean ignoreTCL

    • Constructor Detail

      • Loader

        public Loader()

    • Method Detail

      • getResource

        public static java.net.URL getResource​(java.lang.String resource)
        This method will search for resource in different places. The search order is as follows:

        1. Search for resource using the thread context class loader under Java2. If that fails, search for resource using the class loader that loaded this class (Loader).

        2. Try one last time with ClassLoader.getSystemResource(resource).

      • getResource

        @Deprecated
public static java.net.URL getResource​(java.lang.String resource,
                                       java.lang.Class clazz)
        Deprecated.
        as of 1.2.
        Gets a resource by delegating to getResource(String).
        Parameters:
        resource - resource name
        clazz - class, ignored.
        Returns:
        URL to resource or null.

      • getTCL

        private static java.lang.ClassLoader getTCL()
        Shorthand for Thread.currentThread().getContextClassLoader().

      • isJava1

        public static boolean isJava1()
        Always returns false since Java 1.x support is long gone.
        Returns:
        Always false.

      • loadClass

        public static java.lang.Class loadClass​(java.lang.String clazz)
                                 throws java.lang.ClassNotFoundException
        Loads the specified class using the Thread contextClassLoader, if that fails try Class.forname.
        Parameters:
        clazz - The class to load.
        Returns:
        The Class.
        Throws:
        java.lang.ClassNotFoundException - Never thrown, declared for compatibility.