public Object createObject(JSONObject jsonObject, String type) {
try {
if (LOG.isDebugEnabled()) LOG.debug(String.format("Creating message from %s", jsonObject));
if (StringUtils.isEmpty(type)) {
throw new MessageCreationException(
String.format("Failed to create message: no message type found in JSON"));
}
Class<?> messageClass = applicationTypeMap.get(type);
LOG.debug("Message class: " + messageClass);
if (messageClass == null) {
throw new MessageCreationException(String.format("Unknown message type: %s", type));
}
// Constructor<? extends KoalaMessage> constructor =
// messageClass.getConstructor(JSONObject.class);
Object res = koalaJsonParser.getObject(jsonObject.toString(), messageClass);
if (res instanceof KoalaMessageBase)
((KoalaMessageBase) res).setKoalaJsonParser(koalaJsonParser);
return res;
} catch (IllegalArgumentException e) {
throw new MessageCreationException(
String.format(FAILED_TO_CREATE_MESSAGE_WITH_TYPE_S, type), e);
} catch (SecurityException e) {
throw new MessageCreationException(
String.format(FAILED_TO_CREATE_MESSAGE_WITH_TYPE_S, type), e);
}
}
@Test
public void shouldConvertOldPendingToCreating() {
// setup
KoalaJsonParser koalaJsonParser = new KoalaJsonParser();
String json =
"{ \"status\" : \"PENDING\", \"type\" : \"Volume\", \"device\" : \"device\", \"instanceId\" : \"inst\", \"attachedStatus\" : null, \"attachTime\" : 0, \"sizeInGigaBytes\" : 0, \"url\" : \"vol:vol\", \"createTime\" : 0, \"availabilityZone\" : null, \"ownerId\" : \"owner\", \"volumeId\" : \"vol\", \"statusTimestamp\" : 1271436743946, \"snapshotId\" : null, \"version\" : 0}";
// act
Volume reverse = (Volume) koalaJsonParser.getObject(json, Volume.class);
// assert
assertEquals(VolumeState.CREATING, reverse.getStatus());
}
@Test
public void shouldJsonRoundTrip() {
// setup
KoalaJsonParser koalaJsonParser = new KoalaJsonParser();
Volume volume1 = new Volume("owner", "vol", "inst", "device", VolumeState.CREATING, 0l);
// act
String json = koalaJsonParser.getJson(volume1);
Volume reverse = (Volume) koalaJsonParser.getObject(json, Volume.class);
// assert
assertEquals(volume1, reverse);
}