private static BasicBSONObject canonicalizeBSONObject(final BSONObject from) {
final BasicBSONObject canonicalized = new BasicBSONObject();
final TreeSet<String> keysInOrder = new TreeSet<String>(from.keySet());
for (final String key : keysInOrder) {
final Object val = from.get(key);
canonicalized.put(key, canonicalize(val));
}
return canonicalized;
}
public boolean equals(final Object o) {
if (o == this) {
return true;
}
if (!(o instanceof BSONObject)) {
return false;
}
final BSONObject other = (BSONObject) o;
return ((HashMap<String, V>) this).keySet().equals(other.keySet())
&& Arrays.equals(
canonicalizeBSONObject(this).encode(), canonicalizeBSONObject(other).encode());
}
public void putAll(final BSONObject o) {
for (final String k : o.keySet()) {
this.put(k, o.get(k));
}
}
/** this is really for embedded objects */
int putObject(String name, BSONObject o) {
if (o == null) throw new NullPointerException("can't save a null object");
if (DEBUG)
System.out.println(
"putObject : " + name + " [" + o.getClass() + "]" + " # keys " + o.keySet().size());
final int start = _buf.getPosition();
byte myType = OBJECT;
if (o instanceof List) myType = ARRAY;
if (handleSpecialObjects(name, o)) return _buf.getPosition() - start;
if (name != null) {
_put(myType, name);
}
final int sizePos = _buf.getPosition();
_buf.writeInt(0); // leaving space for this. set it at the end
List transientFields = null;
boolean rewriteID = myType == OBJECT && name == null;
if (myType == OBJECT) {
if (rewriteID && o.containsField("_id")) _putObjectField("_id", o.get("_id"));
{
Object temp = o.get("_transientFields");
if (temp instanceof List) transientFields = (List) temp;
}
}
// TODO: reduce repeated code below.
if (o instanceof Map) {
for (Entry<String, Object> e : ((Map<String, Object>) o).entrySet()) {
if (rewriteID && e.getKey().equals("_id")) continue;
if (transientFields != null && transientFields.contains(e.getKey())) continue;
_putObjectField(e.getKey(), e.getValue());
}
} else {
for (String s : o.keySet()) {
if (rewriteID && s.equals("_id")) continue;
if (transientFields != null && transientFields.contains(s)) continue;
Object val = o.get(s);
_putObjectField(s, val);
}
}
_buf.write(EOO);
_buf.writeInt(sizePos, _buf.getPosition() - sizePos);
return _buf.getPosition() - start;
}