private static void setPreferenceList(String name, Collection values) throws Exception {
PreferencesEdit prefsEdit = null;
String userId = M_sm.getCurrentSessionUserId();
try {
prefsEdit = M_ps.edit(userId);
} catch (IdUnusedException e) {
prefsEdit = M_ps.add(userId);
}
try {
ResourcePropertiesEdit props = prefsEdit.getPropertiesEdit(PREFS_KEY);
if (values == null) {
props.removeProperty(name);
} else {
List existing = props.getPropertyList(name);
Iterator it = values.iterator();
while (it.hasNext()) {
String value = (String) it.next();
if (existing == null || !existing.contains(value))
props.addPropertyToList(name, value.toString());
}
}
} catch (Exception e) {
if (prefsEdit != null) M_ps.cancel(prefsEdit);
M_ps.cancel(prefsEdit);
throw e;
}
M_ps.commit(prefsEdit);
}
@Override
public void setDefaultPrivacyState(String userId, String visibility) {
if (userId == null) {
log.warn("Cannot set priavacy status for a null userId");
return;
}
if (visibility == null) {
visibility = PrivacyManager.VISIBLE;
}
PreferencesEdit editPref;
try {
editPref = preferencesService.edit(userId);
ResourcePropertiesEdit props = editPref.getPropertiesEdit(PRIVACY_PREFS);
props.addProperty(PrivacyManager.DEFAULT_PRIVACY_KEY, visibility);
preferencesService.commit(editPref);
} catch (PermissionException e) {
log.warn(
"You do not have the appropriate permissions to edit preferences for user: "******". "
+ e.getMessage());
} catch (InUseException e) {
log.warn(
"Preferences for user: "******" are currently being edited. " + e.getMessage());
} catch (IdUnusedException e) {
try {
editPref = preferencesService.add(userId);
ResourcePropertiesEdit props = editPref.getPropertiesEdit(PRIVACY_PREFS);
props.addProperty(PrivacyManager.DEFAULT_PRIVACY_KEY, visibility);
preferencesService.commit(editPref);
} catch (PermissionException e1) {
// TODO Auto-generated catch block
log.warn(
"You do not have the appropriate permissions to edit preferences for user: "******". "
+ e1.getMessage());
} catch (IdUsedException e1) {
log.warn(
"No preferences for user: "******" found intially, attempted to add new preferences. "
+ e1.getMessage());
}
}
}
private static void clearPreferenceList(String name) throws Exception {
PreferencesEdit prefsEdit = null;
try {
prefsEdit = M_ps.edit(M_sm.getCurrentSessionUserId());
ResourcePropertiesEdit props = prefsEdit.getPropertiesEdit(PREFS_KEY);
props.removeProperty(name);
} catch (Exception e) {
M_ps.cancel(prefsEdit);
throw e;
}
M_ps.commit(prefsEdit);
}
/**
* Return current user locale.
*
* @return user's Locale object
*/
private Locale getCurrentUserLocale() {
Locale loc = null;
try {
// check if locale is requested for specific user
String userId = M_sm.getCurrentSessionUserId();
if (userId != null) {
Preferences prefs = M_ps.getPreferences(userId);
ResourceProperties locProps = prefs.getProperties(ResourceLoader.APPLICATION_ID);
String localeString = locProps.getProperty(ResourceLoader.LOCALE_KEY);
// Parse user locale preference if set
if (localeString != null) {
String[] locValues = localeString.split("_");
if (locValues.length > 1)
// language, country
loc = new Locale(locValues[0], locValues[1]);
else if (locValues.length == 1)
// language
loc = new Locale(locValues[0]);
}
if (loc == null) loc = Locale.getDefault();
} else {
loc =
(Locale)
M_sm.getCurrentSession()
.getAttribute(ResourceLoader.LOCALE_KEY + M_sm.getCurrentSessionUserId());
}
} catch (NullPointerException e) {
loc = Locale.getDefault();
}
return loc;
}
protected Locale getUserLocale(String userId) {
Locale loc = preferencesService.getLocale(userId);
// the user has no preference set - get the system default
if (loc == null) {
loc = Locale.getDefault();
}
return loc;
}
private static void setPreferenceString(String name, String value) throws Exception {
PreferencesEdit prefsEdit = null;
String userId = M_sm.getCurrentSessionUserId();
try {
prefsEdit = M_ps.edit(userId);
} catch (IdUnusedException e) {
prefsEdit = M_ps.add(userId);
}
try {
ResourcePropertiesEdit props = prefsEdit.getPropertiesEdit(PREFS_KEY);
if (value == null) {
props.removeProperty(name);
} else {
props.addProperty(name, value.toString());
}
} catch (Exception e) {
if (prefsEdit != null) M_ps.cancel(prefsEdit);
throw e;
}
M_ps.commit(prefsEdit);
}
@Override
public String getDefaultPrivacyState(String userId) {
String privacy = null;
if (userId != null) {
Preferences prefs = preferencesService.getPreferences(userId);
ResourceProperties props = prefs.getProperties(PRIVACY_PREFS);
privacy = props.getProperty(PrivacyManager.DEFAULT_PRIVACY_KEY);
}
if (privacy == null) {
// default privacy is visible
privacy = PrivacyManagerImpl.VISIBLE;
}
return privacy;
}
/**
* Get the current user preference list value. First attempt Preferences, then defaults from
* sakai.properties.
*
* @param name The property name.
* @return The preference list value or null if not set.
*/
private static List getPreferenceList(String name) {
Preferences prefs = M_ps.getPreferences(M_sm.getCurrentSessionUserId());
ResourceProperties rp = prefs.getProperties(PREFS_KEY);
List l = rp.getPropertyList(name);
return l;
}
/**
* Get the current user preference value. First attempt Preferences, then defaults from
* sakai.properties.
*
* @param name The property name.
* @return The preference value or null if not set.
*/
private static String getPreferenceString(String name) {
Preferences prefs = M_ps.getPreferences(M_sm.getCurrentSessionUserId());
ResourceProperties rp = prefs.getProperties(PREFS_KEY);
String value = rp.getProperty(name);
return value;
}
