/** Perform required operations before exit */
public void commit() {
// first, remove all ambiences from configuration
Properties properties = Conf.getProperties();
Iterator<Object> it = properties.keySet().iterator();
while (it.hasNext()) {
String sKey = (String) it.next();
if (sKey.startsWith(Const.AMBIENCE_PREFIX)) {
it.remove();
}
}
// now create and set each ambience
for (Ambience ambience : ambiences.values()) {
if (ambience.getStyles().size() > 0) {
String styles = "";
for (Style style : ambience.getStyles()) {
styles += style.getID() + ',';
}
styles = styles.substring(0, styles.length() - 1);
Conf.setProperty(
Const.AMBIENCE_PREFIX + ambience.getID() + '/' + ambience.getName(), styles);
}
}
}
/** Load properties from in file Format: jajuk.ambience.<ID>/<name>=style1,style2,... */
public void load() {
// if first startup, define default ambiences
if (UpgradeManager.isFirstSesion()) {
createDefaultAmbiences();
return;
}
Properties properties = Conf.getProperties();
Enumeration<Object> e = properties.keys();
while (e.hasMoreElements()) {
String sKey = (String) e.nextElement();
if (sKey.matches(Const.AMBIENCE_PREFIX + ".*")) {
Set<Style> styles = new HashSet<Style>(10);
StringTokenizer st = new StringTokenizer((String) properties.get(sKey), ",");
while (st.hasMoreTokens()) {
Style style = StyleManager.getInstance().getStyleByID(st.nextToken());
if (style != null) {
styles.add(style);
}
}
String ambienceDesc = sKey.substring(Const.AMBIENCE_PREFIX.length());
int index = ambienceDesc.indexOf('/');
if (index == -1) {
continue;
}
String ambienceID = ambienceDesc.substring(0, index);
String ambienceName = ambienceDesc.substring(index + 1);
Ambience ambience = new Ambience(ambienceID, ambienceName, styles);
ambiences.put(ambienceID, ambience);
}
}
// If none ambience, means ambience can have been reset after a style
// hashcode computation change, reset to defaults
if (ambiences.size() == 0) {
createDefaultAmbiences();
}
}
/**
* Test method for {@link org.jajuk.services.dj.AmbienceManager#load()}.
*
* @throws Exception the exception
*/
public final void testLoad() throws Exception {
// make sure "UpgradeManager.bFirstSession" is not set
{
Class<?> c = UpgradeManager.class;
Field f = c.getDeclaredField("firstSession");
f.setAccessible(true);
f.setBoolean(null, Boolean.FALSE);
}
assertFalse(UpgradeManager.isFirstSession());
assertEquals(0, AmbienceManager.getInstance().getAmbiences().size());
// first without any key
AmbienceManager.getInstance().load();
// creates the 14 default ambiences
assertEquals(14, AmbienceManager.getInstance().getAmbiences().size());
// clean out all leftover ambiences from other testing
for (Ambience amb : AmbienceManager.getInstance().getAmbiences()) {
AmbienceManager.getInstance().removeAmbience(amb.getID());
}
assertEquals(0, AmbienceManager.getInstance().getAmbiences().size());
{ // remove all leftover properties
Properties properties = Conf.getProperties();
Enumeration<Object> e = properties.keys();
while (e.hasMoreElements()) {
String sKey = (String) e.nextElement();
if (sKey.matches(Const.AMBIENCE_PREFIX + ".*")) {
properties.remove(sKey);
}
}
}
// then add set some Ambience-items
Genre genre1 = GenreManager.getInstance().registerGenre("genre1");
Genre genre2 = GenreManager.getInstance().registerGenre("genre2");
Conf.setProperty(
Const.AMBIENCE_PREFIX + "12/myambience", genre1.getID() + "," + genre2.getID());
assertEquals(0, AmbienceManager.getInstance().getAmbiences().size());
{ // check all the conditions to find out why it fails in Hudson
assertFalse(UpgradeManager.isFirstSession());
Properties properties = Conf.getProperties();
Enumeration<Object> e = properties.keys();
int nMatch = 0;
while (e.hasMoreElements()) {
String sKey = (String) e.nextElement();
if (sKey.matches(Const.AMBIENCE_PREFIX + ".*")) {
if (sKey.substring(Const.AMBIENCE_PREFIX.length()).indexOf('/') == -1) {
continue;
}
nMatch++;
}
}
assertEquals(properties.toString(), 1, nMatch);
}
AmbienceManager.getInstance().load();
assertEquals(1, AmbienceManager.getInstance().getAmbiences().size());
assertNotNull(AmbienceManager.getInstance().getAmbience("12"));
// now test with an ambience with invalid format, i.e. only "12", not
// "12/name"
for (Ambience amb : AmbienceManager.getInstance().getAmbiences()) {
AmbienceManager.getInstance().removeAmbience(amb.getID());
}
assertEquals(0, AmbienceManager.getInstance().getAmbiences().size());
Conf.setProperty(Const.AMBIENCE_PREFIX + "12", genre1.getID() + "," + genre2.getID());
Conf.removeProperty(Const.AMBIENCE_PREFIX + "12/myambience");
AmbienceManager.getInstance().load();
// now 14 as this could not be loaded and thus the default ones were
// loaded...
assertEquals(14, AmbienceManager.getInstance().getAmbiences().size());
UpgradeManager.setFirstSession();
AmbienceManager.getInstance().load();
}