/**
* Create new Component or Page model without persisting it to file system and populates only its
* TcmUri
*
* @param tcmUri TcmUri identifing the model to create
* @return ComponentMeta or PageMeta newly created
*/
@Override
public <T extends ItemMeta> T create(TcmUri tcmUri) {
log.debug("Create model for {}", tcmUri);
T result;
Class<T> aClass = ModelUtils.getClass(tcmUri);
try {
result = aClass.newInstance();
Method setTcmUri = aClass.getMethod("setTcmUri", TcmUri.class);
setTcmUri.invoke(result, tcmUri);
} catch (InstantiationException
| IllegalAccessException
| NoSuchMethodException
| InvocationTargetException e) {
log.error("Error instantiating model for type " + aClass, e);
throw new ModelException(e);
}
return result;
}
/**
* 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);
}
}