@Override
public void visit(LwM2mObject object) {
LOG.trace("Encoding object instances {} into TLV", object);
Tlv[] tlvs = null;
ObjectModel objectModel = model.getObjectModel(object.getId());
if (objectModel != null && !objectModel.multiple) {
// single instance object, the instance is level is not needed
tlvs = encodeResources(object.getInstances().get(0).getResources().values());
} else {
tlvs = new Tlv[object.getInstances().size()];
int i = 0;
for (Entry<Integer, LwM2mObjectInstance> instance : object.getInstances().entrySet()) {
Tlv[] resources = encodeResources(instance.getValue().getResources().values());
tlvs[i] = new Tlv(TlvType.OBJECT_INSTANCE, resources, null, instance.getKey());
i++;
}
}
try {
out.write(TlvEncoder.encode(tlvs).array());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private byte[] encodeTlvValue(Value<?> value) {
LOG.trace("Encoding value {} in TLV", value);
switch (value.type) {
case STRING:
return TlvEncoder.encodeString((String) value.value);
case INTEGER:
case LONG:
return TlvEncoder.encodeInteger((Number) value.value);
case FLOAT:
case DOUBLE:
return TlvEncoder.encodeFloat((Number) value.value);
case BOOLEAN:
return TlvEncoder.encodeBoolean((Boolean) value.value);
case TIME:
return TlvEncoder.encodeDate((Date) value.value);
case OPAQUE:
return (byte[]) value.value;
default:
throw new IllegalArgumentException("Invalid value type: " + value.type);
}
}
@Override
public void visit(LwM2mResource resource) {
LOG.trace("Encoding resource {} into TLV", resource);
Tlv rTlv = encodeResource(resource);
try {
out.write(TlvEncoder.encode(new Tlv[] {rTlv}).array());
} catch (IOException e) {
throw new RuntimeException(e);
}
}
@Override
public void visit(LwM2mObjectInstance instance) {
LOG.trace("Encoding object instance {} into TLV", instance);
// The instance is encoded as an array of resource TLVs.
Tlv[] rTlvs = encodeResources(instance.getResources().values());
try {
out.write(TlvEncoder.encode(rTlvs).array());
} catch (IOException e) {
throw new RuntimeException(e);
}
}