Bug 155509 ModuleHandle findResource method does not support .properties files
There is no fileType for .properties files in IResourceLocator
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/api/DefaultResourceLocator.java
{
				
			}
		}
		
		URL url = tryFragmentSearch( fileName );
		if ( url != null )
			return url;
		
		URL systemId = moduleHandle.getModule( ).getSystemId( );
		if ( systemId == null )
			return null;
		try
		{
			url = new URL( systemId, URIUtil
					.convertFileNameToURLString( fileName ) );
			if ( isGlobalResource( url ) )
				return url;
			return tryLocalResourceSearch( url );
		}
		catch ( MalformedURLException e )
		{
			
		}
		return null;
	}
	/**
	 * Tests if the url indicates a global resource.
	 * 
	 * @param url