public static Reader getContentAsReader()

in src/main/java/org/apache/bsf/util/StringUtils.java [148:195]

44 lines of code
8 McCabe index (conditional complexity)


  public static Reader getContentAsReader(final URL url) throws SecurityException,
														  IllegalArgumentException,
														  IOException
  {
	if (url == null)
	{
	  throw new IllegalArgumentException("URL cannot be null.");
	}

	try
	{
	  final Object content = url.getContent();

	  if (content == null)
	  {
		throw new IllegalArgumentException("No content.");
	  }

	  if (content instanceof InputStream)
	  {
		final Reader in = new InputStreamReader((InputStream)content);

		if (in.ready())
		{
		  return in;
		}
		else
		{
		  throw new FileNotFoundException();
		}
	  }
	  else
	  {
		throw new IllegalArgumentException((content instanceof String)
										   ? (String)content
										   : "This URL points to a: " +
											 StringUtils.getClassName(content.getClass()));
	  }
	}
	catch (final SecurityException e)
	{
	  throw new SecurityException("Your JVM's SecurityManager has disallowed this.");
	}
	catch (final FileNotFoundException e)
	{
	  throw new FileNotFoundException("This file was not found: " + url);
	}
  }