/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see .
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.service;
/**
* Provides services for generating ads.
*
* @author Sindre Mehus
*/
public class AdService {
private final String[] ads = {
"",
"",
"",
"",
"",
"",
"",
" ",
"",
"",
"",
" ",
"",
" ",
"",
"",
""
};
private int adInterval;
private int pageCount;
private int adIndex;
/**
* Returns an ad or null if no ad should be displayed.
*/
public String getAd() {
if (pageCount++ % adInterval == 0) {
adIndex = (adIndex + 1) % ads.length;
return ads[adIndex];
}
return null;
}
/**
* Set by Spring.
*/
public void setAdInterval(int adInterval) {
this.adInterval = adInterval;
}
}