package dk.thoerup.spejdernetscraper;

public class ResultBuffer {
	
	StringBuilder sb = new StringBuilder();
	
	long start = System.currentTimeMillis();
	
	public void addString(String str) {
		long now = System.currentTimeMillis();
		long diff = now - start;
		
		synchronized(sb) {
			sb.append(diff);
			sb.append("  ");
			sb.append(str);
			sb.append("\n");
		}
	}
	
	public String getString() {
		synchronized(sb) {
			return sb.toString();
		}
	}
	
	public void clear() {
		synchronized(sb) {
			sb.setLength(0);
			start = System.currentTimeMillis();
		}
		
	}
	
	// Singleton

	private ResultBuffer() {} //Private constructor
	
	private static ResultBuffer singleton = new ResultBuffer();
	
	public static ResultBuffer getResultBuffer() {
		
		return singleton;
	}
}