private String getQueryString(final HttpServletRequest request,
			final Pattern artifactPattern) {
		final String query = request.getQueryString();
		if (query == null) {
			return null;
		}
		final String result = artifactPattern.matcher(query).replaceFirst("");
		if (result.length() == 0) {
			return null;
		}
		// strip off the trailing & only if the artifact was the first query param
		return result.startsWith("&") ? result.substring(1) : result;
	}
private String getQueryString(final HttpServletRequest request,
			final Pattern artifactPattern) {
		final String query = request.getQueryString();
		if (query == null) {
			return null;
		}
		final String result = artifactPattern.matcher(query).replaceFirst("");
		if (result.length() == 0) {
			return null;
		}
		
		return result.startsWith("&") ? result.substring(1) : result;
	}
private String getQueryString ( final HttpServletRequest request , final Pattern artifactPattern ) { final String query = request . getQueryString ( ) ; if ( query == null ) { return null ; } final String result = artifactPattern . matcher ( query ) . replaceFirst ( "" ) ; if ( result . length ( ) == 0 ) { return null ; } // strip off the trailing & only if the artifact was the first query param return result . startsWith ( "&" ) ? result . substring ( 1 ) : result ; }
If present, removes the artifactParameterName and the corresponding value from the
query String.
@param request
@return the query String minus the artifactParameterName and the corresponding
value.
If present removes the artifactParameterName and the corresponding value from the query String .