Example usage for org.springframework.data.util ClassTypeInformation OBJECT

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ClassTypeInformation OBJECT

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Usage

From source file:org.springframework.data.mongodb.core.convert.MappingMongoConverter.java

/**
 * Writes the given {@link Map} to the given {@link DBObject} considering the given {@link TypeInformation}.
 * /*from   w  ww. j av a  2s .c  om*/
 * @param obj must not be {@literal null}.
 * @param dbo must not be {@literal null}.
 * @param propertyType must not be {@literal null}.
 * @return
 */
protected DBObject writeMapInternal(Map<Object, Object> obj, DBObject dbo, TypeInformation<?> propertyType) {

    for (Map.Entry<Object, Object> entry : obj.entrySet()) {
        Object key = entry.getKey();
        Object val = entry.getValue();
        if (conversions.isSimpleType(key.getClass())) {
            // Don't use conversion service here as removal of ObjectToString converter results in some primitive types not
            // being convertable
            String simpleKey = potentiallyEscapeMapKey(key.toString());
            if (val == null || conversions.isSimpleType(val.getClass())) {
                writeSimpleInternal(val, dbo, simpleKey);
            } else if (val instanceof Collection || val.getClass().isArray()) {
                dbo.put(simpleKey, writeCollectionInternal(asCollection(val), propertyType.getMapValueType(),
                        new BasicDBList()));
            } else {
                DBObject newDbo = new BasicDBObject();
                TypeInformation<?> valueTypeInfo = propertyType.isMap() ? propertyType.getMapValueType()
                        : ClassTypeInformation.OBJECT;
                writeInternal(val, newDbo, valueTypeInfo);
                dbo.put(simpleKey, newDbo);
            }
        } else {
            throw new MappingException("Cannot use a complex object as a key value.");
        }
    }

    return dbo;
}

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