Class Loader

java.lang.Object
org.apache.log4j.helpers.Loader

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

    Fields
    Modifier and Type
    Field
    Description
    private static boolean
     
    (package private) static final String
     
  • Constructor Summary

    Constructors
    Constructor
    Description
     
  • Method Summary

    Modifier and Type
    Method
    Description
    static URL
    getResource(String resource)
    This method will search for resource in different places.
    static URL
    getResource(String resource, Class clazz)
    Deprecated.
    as of 1.2.
    private static ClassLoader
    Shorthand for Thread.currentThread().getContextClassLoader().
    static boolean
    Always returns false since Java 1.x support is long gone.
    static Class
    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 Details

  • Constructor Details

    • Loader

      public Loader()
  • Method Details

    • getResource

      public static URL getResource(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 URL getResource(String resource, 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 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 Class loadClass(String clazz) throws 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:
      ClassNotFoundException - Never thrown, declared for compatibility.