private static ClassLoader getContextClassLoader()

in src/main/java/org/apache/commons/logging/impl/SimpleLog.java [619:666]
20 lines of code
6 McCabe index (conditional complexity)

    private static ClassLoader getContextClassLoader() {
        ClassLoader classLoader = null;

        try {
            // Are we running on a JDK 1.2 or later system?
            final Method method = Thread.class.getMethod("getContextClassLoader", (Class[]) null);

            // Get the thread context class loader (if there is one)
            try {
                classLoader = (ClassLoader) method.invoke(Thread.currentThread(), (Class[]) null);
            } catch (final IllegalAccessException e) {
                // ignore
            } catch (final InvocationTargetException e) {
                /**
                 * InvocationTargetException is thrown by 'invoke' when
                 * the method being invoked (getContextClassLoader) throws
                 * an exception.
                 *
                 * getContextClassLoader() throws SecurityException when
                 * the context class loader isn't an ancestor of the
                 * calling class's class loader, or if security
                 * permissions are restricted.
                 *
                 * In the first case (not related), we want to ignore and
                 * keep going.  We cannot help but also ignore the second
                 * with the logic below, but other calls elsewhere (to
                 * obtain a class loader) will trigger this exception where
                 * we can make a distinction.
                 */
                if (!(e.getTargetException() instanceof SecurityException)) {
                    // Capture 'e.getTargetException()' exception for details
                    // alternate: log 'e.getTargetException()', and pass back 'e'.
                    throw new LogConfigurationException
                        ("Unexpected InvocationTargetException", e.getTargetException());
                }
            }
        } catch (final NoSuchMethodException e) {
            // Assume we are running on JDK 1.1
            // ignore
        }

        if (classLoader == null) {
            classLoader = SimpleLog.class.getClassLoader();
        }

        // Return the selected class loader
        return classLoader;
    }