Bug 176450 Support link to CSS Feature(Model Part)
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/util/ModelUtil.java
{
						return parserException.getException( );
					}
				}
			}
		}
		return null;
	}
	/**
	 * Checks whether the input stream has a compatible encoding signature with
	 * BIRT. Currently, BIRT only supports UTF-8 encoding.
	 * 
	 * @param inputStream
	 *            the input stream to check
	 * @param fileName
	 *            the design file name
	 * @return the signature from the UTF files.
	 * @throws IOException
	 *             if errors occur during opening the design file
	 * @throws SAXException
	 *             if the stream has unexpected encoding signature
	 */
	public static String checkUTFSignature( InputStream inputStream,
			String fileName ) throws IOException, SAXException
	{
		
		
		String encoding = UnicodeUtil.checkUTFSignature( inputStream );
		if ( encoding != null && !UnicodeUtil.SIGNATURE_UTF_8.equals( encoding ) )
		{