Method findBlock

src/main/java/History/HistoryStorage.java:96–103

(String source, String needle)

    }
    
    private String findBlock(String source, String needle){
        String block = "";
        int start =source.indexOf("<"+needle+">");
        int end = source.indexOf("</"+needle+">");
        if (start<0 || end<0)
            return block;
        return source.substring(start+3, end);
    }
        
    private String readFile(String arhPath){
        FileIO f = FileIO.createConnection(arhPath);