Method read

src/main/java/mudmap2/backend/WorldFileList.java:149–178

Read history

()

     * Read history
     */
    public static void read(){
        final File historyFile = getHistoryFile();
        final File availableWorldsFile = getAvailableWorldsFile();

        boolean success = false;

        worldFileHistory.clear();

        // read history
        try {
            if(historyFile.exists() && historyFile.canRead()){
                readListJSON(historyFile);
                success = true;
            }
        } catch (Exception ex){
            Logger.getLogger(WorldFileList.class.getName()).log(Level.SEVERE, null, ex);
        }

        // fallback: legacy available worlds file
        if(!success){
            if(availableWorldsFile.exists() && availableWorldsFile.canRead()){
                readWorldList(availableWorldsFile);
            } else {
                System.err.println("No world history file or not readable");
            }
        }

        // remove nonexistant entries
        cleanList();
    }

    /**
     * Write history