List<Modification> getModifications(
final T o, final boolean deleteNullValues, final String... attributes)
throws LDAPPersistException {
final ReadOnlyEntry originalEntry;
if (entryField != null) {
originalEntry = getEntry(o);
} else {
originalEntry = null;
}
if (originalEntry != null) {
try {
final T decodedOrig = decode(originalEntry);
final Entry reEncodedOriginal = encode(decodedOrig, originalEntry.getParentDNString());
final Entry newEntry = encode(o, originalEntry.getParentDNString());
final List<Modification> mods =
Entry.diff(reEncodedOriginal, newEntry, true, false, attributes);
if (!deleteNullValues) {
final Iterator<Modification> iterator = mods.iterator();
while (iterator.hasNext()) {
final Modification m = iterator.next();
if (m.getRawValues().length == 0) {
iterator.remove();
}
}
}
HashSet<String> stripAttrs = null;
for (final FieldInfo i : fieldMap.values()) {
if (!i.includeInModify()) {
if (stripAttrs == null) {
stripAttrs = new HashSet<String>(10);
}
stripAttrs.add(toLowerCase(i.getAttributeName()));
}
}
for (final GetterInfo i : getterMap.values()) {
if (!i.includeInModify()) {
if (stripAttrs == null) {
stripAttrs = new HashSet<String>(10);
}
stripAttrs.add(toLowerCase(i.getAttributeName()));
}
}
if (stripAttrs != null) {
final Iterator<Modification> iterator = mods.iterator();
while (iterator.hasNext()) {
final Modification m = iterator.next();
if (stripAttrs.contains(toLowerCase(m.getAttributeName()))) {
iterator.remove();
}
}
}
return mods;
} catch (final Exception e) {
debugException(e);
} finally {
setDNAndEntryFields(o, originalEntry);
}
}
final HashSet<String> attrSet;
if ((attributes == null) || (attributes.length == 0)) {
attrSet = null;
} else {
attrSet = new HashSet<String>(attributes.length);
for (final String s : attributes) {
attrSet.add(toLowerCase(s));
}
}
final ArrayList<Modification> mods = new ArrayList<Modification>(5);
for (final Map.Entry<String, FieldInfo> e : fieldMap.entrySet()) {
final String attrName = toLowerCase(e.getKey());
if ((attrSet != null) && (!attrSet.contains(attrName))) {
continue;
}
final FieldInfo i = e.getValue();
if (!i.includeInModify()) {
continue;
}
final Attribute a = i.encode(o, false);
if (a == null) {
if (!deleteNullValues) {
continue;
}
if ((originalEntry != null) && (!originalEntry.hasAttribute(attrName))) {
continue;
}
mods.add(new Modification(ModificationType.REPLACE, i.getAttributeName()));
continue;
}
if (originalEntry != null) {
final Attribute originalAttr = originalEntry.getAttribute(attrName);
if ((originalAttr != null) && originalAttr.equals(a)) {
continue;
}
}
mods.add(new Modification(ModificationType.REPLACE, i.getAttributeName(), a.getRawValues()));
}
for (final Map.Entry<String, GetterInfo> e : getterMap.entrySet()) {
final String attrName = toLowerCase(e.getKey());
if ((attrSet != null) && (!attrSet.contains(attrName))) {
continue;
}
final GetterInfo i = e.getValue();
if (!i.includeInModify()) {
continue;
}
final Attribute a = i.encode(o);
if (a == null) {
if (!deleteNullValues) {
continue;
}
if ((originalEntry != null) && (!originalEntry.hasAttribute(attrName))) {
continue;
}
mods.add(new Modification(ModificationType.REPLACE, i.getAttributeName()));
continue;
}
if (originalEntry != null) {
final Attribute originalAttr = originalEntry.getAttribute(attrName);
if ((originalAttr != null) && originalAttr.equals(a)) {
continue;
}
}
mods.add(new Modification(ModificationType.REPLACE, i.getAttributeName(), a.getRawValues()));
}
if (superclassHandler != null) {
final List<Modification> superMods =
superclassHandler.getModifications(o, deleteNullValues, attributes);
final ArrayList<Modification> modsToAdd = new ArrayList<Modification>(superMods.size());
for (final Modification sm : superMods) {
boolean add = true;
for (final Modification m : mods) {
if (m.getAttributeName().equalsIgnoreCase(sm.getAttributeName())) {
add = false;
break;
}
}
if (add) {
modsToAdd.add(sm);
}
}
mods.addAll(modsToAdd);
}
return Collections.unmodifiableList(mods);
}