Package org.apache.tools.ant.util

Class LoaderUtils

java.lang.Object
org.apache.tools.ant.util.LoaderUtils
public class LoaderUtils extends Object
ClassLoader utility methods

  • Constructor Details

    • LoaderUtils

      public LoaderUtils()

  • Method Details

    • setContextClassLoader

      public static void setContextClassLoader(ClassLoader loader)
      Set the context classloader
      Parameters:
      loader - the ClassLoader to be used as the context class loader on the current thread.

    • getContextClassLoader

      public static ClassLoader getContextClassLoader()
      JDK1.1 compatible access to set the context class loader.
      Returns:
      the ClassLoader instance being used as the context classloader on the current thread. Returns null on JDK 1.1

    • isContextLoaderAvailable

      public static boolean isContextLoaderAvailable()
      Indicates if the context class loader methods are available
      Returns:
      true if the get and set methods dealing with the context classloader are available.

    • getClassSource

      public static File getClassSource(Class<?> c)
      Find the directory or jar file the class has been loaded from.
      Parameters:
      c - the class whose location is required.
      Returns:
      the file or jar with the class or null if we cannot determine the location.
      Since:
      Ant 1.6

    • getResourceSource

      public static File getResourceSource(ClassLoader c, String resource)
      Find the directory or a give resource has been loaded from.
      Parameters:
      c - the classloader to be consulted for the source
      resource - the resource whose location is required.
      Returns:
      the file with the resource source or null if we cannot determine the location.
      Since:
      Ant 1.6

    • classNameToResource

      public static String classNameToResource(String className)
      Return the resource name of a class name.
      Parameters:
      className - the name of the class to convert.
      Returns:
      the corresponding resource name.
      Since:
      Ant 1.7.0.

    • classExists

      public static boolean classExists(ClassLoader loader, String className)
      Check if a classloader has a classname resource.
      Parameters:
      loader - the classloader to look it.
      className - the name of the class to look for.
      Returns:
      true if the class exists, false otherwise
      Since:
      Ant 1.7.0.