Class ResolveHelpers

java.lang.Object
org.exolab.castor.xml.util.resolvers.ResolveHelpers
public final class ResolveHelpers extends Object
Some helpers used by the resolver commands. This is a utility class which is NOT meant to be instantiated.
Since:
1.2
Version:
$Revision$ $Date$
Author:
Joachim Grueneis

  • Method Details

    • getQualifiedFileName

      public static String getQualifiedFileName(String fileName, String packageName)
      Qualifies the given fileName with the given packageName and returns the resulting file path.
      If packageName is null or a zero-length String, this method will return fileName.
      Parameters:
      fileName - The file name to be qualified.
      packageName - The package name to be used for qualifying.
      Returns:
      The qualified file path.

    • getPackageName

      public static String getPackageName(String className)
      Gets the package name of the given class name.
      Parameters:
      className - The class name to retrieve the package name from.
      Returns:
      The package name or the empty String if className is null or does not contain a package.

    • namespaceEquals

      public static boolean namespaceEquals(String ns1, String ns2)
      Compares the two strings for equality. A Null and empty strings are considered equal.
      Returns:
      true if the two strings are considered equal.

    • getClassLoader

      public static ClassLoader getClassLoader(ClassLoader loader)
      Gets the ClassLoader that's actually to be used (e.g. for loading resources).
      The actual ClassLoader is determined in the following way:
    • If the passed in "preferred" loader is not null, it is used.
    • If the loader of this XMLClassDescriptor is not null, it is used.
    • The context class loader of the current thread is used.
      • Parameters:
      loader - The "preferred" ClassLoader.
      Returns:
      The loader to be used.

    • loadClass

      public static Class loadClass(ClassLoader classLoader, String className)
      Capsulates the ClassLoader.loadClass method to throw no exceptions but return null instead. Any exception caught are logged with info severity.
      Parameters:
      classLoader - the class loader to use
      className - the class to load
      Returns:
      the loaded Class or null