Package ch.qos.logback.core.util

Class Loader

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

    • Constructor Summary

      Constructors 
      Constructor Description
      Loader()  

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.ClassLoader getClassLoaderAsPrivileged​(java.lang.Class<?> clazz)
      Returns the class loader of clazz in an access privileged section.
      static java.lang.ClassLoader getClassLoaderOfClass​(java.lang.Class<?> clazz)
      Return the class loader which loaded the class passed as argument.
      static java.lang.ClassLoader getClassLoaderOfObject​(java.lang.Object o)
      Get the class loader of the object passed as argument.
      static java.net.URL getResource​(java.lang.String resource, java.lang.ClassLoader classLoader)
      Search for a resource using the classloader passed as parameter.
      static java.net.URL getResourceBySelfClassLoader​(java.lang.String resource)
      Attempt to find a resource by using the classloader that loaded this class, namely Loader.class.
      static java.util.Set<java.net.URL> getResources​(java.lang.String resource, java.lang.ClassLoader classLoader)
      Compute the number of occurrences a resource can be found by a class loader.
      static java.lang.ClassLoader getTCL()
      Get the Thread Context Loader which is a JDK 1.2 feature.
      static java.lang.Class<?> loadClass​(java.lang.String clazz)
      If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname.
      static java.lang.Class<?> loadClass​(java.lang.String clazz, Context context)  

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • IGNORE_TCL_PROPERTY_NAME

        public static final java.lang.String IGNORE_TCL_PROPERTY_NAME
        See Also:
        Constant Field Values

    • Constructor Detail

      • Loader

        public Loader()

    • Method Detail

      • getResources

        public static java.util.Set<java.net.URL> getResources​(java.lang.String resource,
                                                       java.lang.ClassLoader classLoader)
                                                throws java.io.IOException
        Compute the number of occurrences a resource can be found by a class loader.
        Parameters:
        resource -
        classLoader -
        Returns:
        Throws:
        java.io.IOException

      • getResource

        public static java.net.URL getResource​(java.lang.String resource,
                                       java.lang.ClassLoader classLoader)
        Search for a resource using the classloader passed as parameter.
        Parameters:
        resource - the resource name to look for
        classLoader - the classloader used for the search

      • getResourceBySelfClassLoader

        public static java.net.URL getResourceBySelfClassLoader​(java.lang.String resource)
        Attempt to find a resource by using the classloader that loaded this class, namely Loader.class.
        Parameters:
        resource -
        Returns:

      • getTCL

        public static java.lang.ClassLoader getTCL()
        Get the Thread Context Loader which is a JDK 1.2 feature. If we are running under JDK 1.1 or anything else goes wrong the method returns null.

      • loadClass

        public static java.lang.Class<?> loadClass​(java.lang.String clazz,
                                           Context context)
                                    throws java.lang.ClassNotFoundException
        Throws:
        java.lang.ClassNotFoundException

      • getClassLoaderOfObject

        public static java.lang.ClassLoader getClassLoaderOfObject​(java.lang.Object o)
        Get the class loader of the object passed as argument. Return the system class loader if appropriate.
        Parameters:
        o -
        Returns:

      • getClassLoaderAsPrivileged

        public static java.lang.ClassLoader getClassLoaderAsPrivileged​(java.lang.Class<?> clazz)
        Returns the class loader of clazz in an access privileged section.
        Parameters:
        clazz -
        Returns:

      • getClassLoaderOfClass

        public static java.lang.ClassLoader getClassLoaderOfClass​(java.lang.Class<?> clazz)
        Return the class loader which loaded the class passed as argument. Return the system class loader if appropriate.
        Parameters:
        clazz -
        Returns:

      • loadClass

        public static java.lang.Class<?> loadClass​(java.lang.String clazz)
                                    throws java.lang.ClassNotFoundException
        If running under JDK 1.2 load the specified class using the Thread contextClassLoader if that fails try Class.forname. Under JDK 1.1 only Class.forName is used.
        Throws:
        java.lang.ClassNotFoundException