/**
* Return fully resolved Component or Page model based on the given TcmUri by reading and
* deserializing JSON file from the file system
*
* @param tcmUri TcmUri identifing the model to retrieve
* @return ComponentMeta or PageMeta the fully resolved model; or null, if not found
*/
@Override
public <T extends ItemMeta> T read(TcmUri tcmUri) {
log.debug("Read model for {}", tcmUri);
String path = pathMapper.getModelAbsolutePath(tcmUri);
File file = new File(path);
if (!file.exists()) {
log.debug("File with TcmUri {} not found at path file {}", tcmUri, path);
return null;
}
try {
Class<T> aClass = ModelUtils.getClass(tcmUri);
T model = serializer.deserialize(file, aClass);
log.debug("Return model {} from file {}", model, file);
return model;
} catch (SerializationException se) {
log.error("Error deserializing model " + tcmUri + " from file " + path, se);
throw new ModelException(se);
}
}
/**
* Persist the given Component or Page model by serializing it to JSON and writing it to the file
* system
*
* @param model ComponentMeta or PageMeta to persist
* @return ComponentMeta or PageMeta the persisted model
*/
@Override
public <T extends ItemMeta> T update(T model) {
log.debug("Update model {}", model);
TcmUri tcmUri = model.getTcmUri();
String path = pathMapper.getModelAbsolutePath(tcmUri);
File file = new File(path);
if (!file.exists()) {
File directory = file.getParentFile();
if (!directory.exists()) {
if (!directory.mkdirs()) {
log.error("Directory {} was not created", directory);
}
}
}
serializer.serialize(file, model);
log.debug("Done update model {} to file {}", tcmUri, file);
return model;
}