Commits
md_5 authored 44535786cbb
| 52 52 | } |
| 53 53 | |
| 54 54 | public String getShaMappingsHash() |
| 55 55 | { |
| 56 56 | return hashFromUrl( mappingsUrl ); |
| 57 57 | } |
| 58 58 | private static final Pattern URL_PATTERN = Pattern.compile( "https://launcher.mojang.com/v1/objects/([0-9a-f]{40})/.*" ); |
| 59 59 | |
| 60 60 | public static String hashFromUrl(String url) |
| 61 61 | { |
| 62 + | if ( url == null ) |
| 63 + | { |
| 64 + | return null; |
| 65 + | } |
| 66 + | |
| 62 67 | Matcher match = URL_PATTERN.matcher( url ); |
| 63 68 | return ( match.find() ) ? match.group( 1 ) : null; |
| 64 69 | } |
| 65 70 | } |