/**
* Delete an user. Removes all this user entries from the properties. After removing the
* corresponding from the properties, save the data.
*/
public synchronized void delete(String usrName) throws FtpException {
lazyInit();
// remove entries from properties
String thisPrefix = PREFIX + usrName + '.';
Enumeration<?> propNames = userDataProp.propertyNames();
ArrayList<String> remKeys = new ArrayList<String>();
while (propNames.hasMoreElements()) {
String thisKey = propNames.nextElement().toString();
if (thisKey.startsWith(thisPrefix)) {
remKeys.add(thisKey);
}
}
Iterator<String> remKeysIt = remKeys.iterator();
while (remKeysIt.hasNext()) {
userDataProp.remove(remKeysIt.next());
}
saveUserData();
}
/** Get all user names. */
public synchronized String[] getAllUserNames() {
lazyInit();
// get all user names
String suffix = '.' + ATTR_HOME;
ArrayList<String> ulst = new ArrayList<String>();
Enumeration<?> allKeys = userDataProp.propertyNames();
int prefixlen = PREFIX.length();
int suffixlen = suffix.length();
while (allKeys.hasMoreElements()) {
String key = (String) allKeys.nextElement();
if (key.endsWith(suffix)) {
String name = key.substring(prefixlen);
int endIndex = name.length() - suffixlen;
name = name.substring(0, endIndex);
ulst.add(name);
}
}
Collections.sort(ulst);
return ulst.toArray(new String[0]);
}