@Override
public <T> T convertTo(Class<T> type, Exchange exchange, Object value)
throws TypeConversionException {
// find the map id, so we can provide that when trying to map from source to destination
String mapId = null;
if (value != null) {
Class<?> sourceType = value.getClass();
Class<?> destType = type;
ClassMappingMetadata metadata =
mapper.getMappingMetadata().getClassMapping(sourceType, destType);
if (metadata != null) {
mapId = metadata.getMapId();
}
}
// if the exchange is null, we have no chance to ensure that the TCCL is the one from the
// CamelContext
if (exchange == null) {
return mapper.map(value, type, mapId);
}
T answer = null;
ClassLoader prev = Thread.currentThread().getContextClassLoader();
ClassLoader contextCl = exchange.getContext().getApplicationContextClassLoader();
if (contextCl != null) {
// otherwise, we ensure that the TCCL is the correct one
LOG.debug("Switching TCCL to: {}.", contextCl);
try {
Thread.currentThread().setContextClassLoader(contextCl);
answer = mapper.map(value, type, mapId);
} finally {
LOG.debug("Restored TCCL to: {}.", prev);
Thread.currentThread().setContextClassLoader(prev);
}
} else {
// just try with the current TCCL as-is
answer = mapper.map(value, type, mapId);
}
return answer;
}
