package javathreads.examples.ch15;

import java.util.*;
import java.io.*;

// Non-thread-safe version of a loop printer
public class LoopPrinterUnsafe {
    private Vector pStorage[];

    public LoopPrinterUnsafe(int size) {
        pStorage = new Vector[size];
    }

    public void print(int index, Object obj) {
        if (pStorage[index] == null) {
            pStorage[index] = new Vector();
        }
        pStorage[index].addElement(obj.toString());
    }

    public void println(int index, Object obj) {
        print(index, obj);
        print(index, "\n");
    }

    public void send2stream(PrintStream ps) {
        for (int i = 0; i < pStorage.length; i++) {
            if (pStorage[i] != null) {
                Enumeration e = pStorage[i].elements();
                while (e.hasMoreElements()) {
                    ps.print(e.nextElement());
                }
            }
        }
    }
}