Examples with BsonUndefined org.bson.BsonUndefined used on opensource projects

Example 1 with BsonUndefined

use of org.bson.BsonUndefined in project mongo-java-driver by mongodb.

the class JSONCallback method objectDone.

@Override
public Object objectDone() {
    String name = curName();
    Object o = super.objectDone();
    if (_lastArray) {
        return o;
    }
    BSONObject b = (BSONObject) o;
    // override the object if it's a special type
    if (b.containsField("$oid")) {
        o = new ObjectId((String) b.get("$oid"));
    } else if (b.containsField("$date")) {
        if (b.get("$date") instanceof Number) {
            o = new Date(((Number) b.get("$date")).longValue());
        } else {
            SimpleDateFormat format = new SimpleDateFormat(_msDateFormat);
            format.setCalendar(new GregorianCalendar(new SimpleTimeZone(0, "GMT")));
            o = format.parse(b.get("$date").toString(), new ParsePosition(0));
            if (o == null) {
                // try older format with no ms
                format = new SimpleDateFormat(_secDateFormat);
                format.setCalendar(new GregorianCalendar(new SimpleTimeZone(0, "GMT")));
                o = format.parse(b.get("$date").toString(), new ParsePosition(0));
            }
        }
    } else if (b.containsField("$regex")) {
        o = Pattern.compile((String) b.get("$regex"), BSON.regexFlags((String) b.get("$options")));
    } else if (b.containsField("$ts")) {
        //Legacy timestamp format
        Integer ts = ((Number) b.get("$ts")).intValue();
        Integer inc = ((Number) b.get("$inc")).intValue();
        o = new BSONTimestamp(ts, inc);
    } else if (b.containsField("$timestamp")) {
        BSONObject tsObject = (BSONObject) b.get("$timestamp");
        Integer ts = ((Number) tsObject.get("t")).intValue();
        Integer inc = ((Number) tsObject.get("i")).intValue();
        o = new BSONTimestamp(ts, inc);
    } else if (b.containsField("$code")) {
        if (b.containsField("$scope")) {
            o = new CodeWScope((String) b.get("$code"), (DBObject) b.get("$scope"));
        } else {
            o = new Code((String) b.get("$code"));
        }
    } else if (b.containsField("$ref")) {
        o = new DBRef((String) b.get("$ref"), b.get("$id"));
    } else if (b.containsField("$minKey")) {
        o = new MinKey();
    } else if (b.containsField("$maxKey")) {
        o = new MaxKey();
    } else if (b.containsField("$uuid")) {
        o = UUID.fromString((String) b.get("$uuid"));
    } else if (b.containsField("$binary")) {
        int type = (b.get("$type") instanceof String) ? Integer.valueOf((String) b.get("$type"), 16) : (Integer) b.get("$type");
        byte[] bytes = DatatypeConverter.parseBase64Binary((String) b.get("$binary"));
        o = new Binary((byte) type, bytes);
    } else if (b.containsField("$undefined") && b.get("$undefined").equals(true)) {
        o = new BsonUndefined();
    } else if (b.containsField("$numberLong")) {
        o = Long.valueOf((String) b.get("$numberLong"));
    } else if (b.containsField("$numberDecimal")) {
        o = Decimal128.parse((String) b.get("$numberDecimal"));
    }
    if (!isStackEmpty()) {
        _put(name, o);
    } else {
        o = !BSON.hasDecodeHooks() ? o : BSON.applyDecodingHooks(o);
        setRoot(o);
    }
    return o;
}

Example 2 with BsonUndefined

use of org.bson.BsonUndefined in project mongo-java-driver by mongodb.

the class JSONSerializersTest method testUndefinedCodecs.

@Test
public void testUndefinedCodecs() {
    ObjectSerializer serializer = JSONSerializers.getStrict();
    StringBuilder buf = new StringBuilder();
    serializer.serialize(new BsonUndefined(), buf);
    assertEquals(buf.toString(), "{ \"$undefined\" : true}");
}

Example 3 with BsonUndefined

use of org.bson.BsonUndefined in project mongo-java-driver by mongodb.

the class JSONCallbackTest method undefinedParsing.

@Test
public void undefinedParsing() {
    Object undefined = JSON.parse("{ \"$undefined\" : true }");
    assertEquals(new BsonUndefined(), undefined);
}