/**
* This method copies the content found in space srcSpaceID with id srcContentID to the space
* destSpaceID within the same content store (storeID) to the id of destContentID.
*
* @param srcStoreID of content to copy
* @param srcSpaceID of content to copy
* @param srcContentID of content to copy
* @param destSpaceID of copied content
* @param destContentID of copied content
* @param destStoreID of copied content
* @return MD5 checksum of the content as computed by the storage provider
* @throws ResourceException
*/
@Override
public String copyContent(
String srcStoreID,
String srcSpaceID,
String srcContentID,
String destStoreID,
String destSpaceID,
String destContentID)
throws ResourceException {
BrokeredStorageProvider srcProvider = getStorageProvider(srcStoreID);
BrokeredStorageProvider destProvider = getStorageProvider(destStoreID);
if (srcProvider.equals(destProvider)) {
return copyContent(
srcProvider, srcSpaceID, srcContentID, destSpaceID, destContentID, srcStoreID);
} else {
return copyContentBetweenStorageProviders(
srcProvider,
srcSpaceID,
srcContentID,
srcStoreID,
destProvider,
destSpaceID,
destContentID,
destStoreID);
}
}
private String copyContentBetweenStorageProviders(
BrokeredStorageProvider srcStorage,
String srcSpaceID,
String srcContentID,
String srcStoreID,
BrokeredStorageProvider destStorage,
String destSpaceID,
String destContentID,
String destStoreID)
throws ResourceException {
try {
InputStream inputStream = srcStorage.getContent(srcSpaceID, srcContentID);
Map<String, String> properties = srcStorage.getContentProperties(srcSpaceID, srcContentID);
Long contentSize = null;
try {
String contentSizeString = properties.get(StorageProvider.PROPERTIES_CONTENT_SIZE);
if (contentSizeString != null) {
contentSize = Long.parseLong(contentSizeString);
}
} catch (NumberFormatException ex) {
String msg = "content size could not be parsed: " + ex.getMessage();
log.warn(msg, ex);
}
String md5 =
destStorage.addContent(
destSpaceID,
destContentID,
properties.get(StorageProvider.PROPERTIES_CONTENT_MIMETYPE),
properties,
contentSize,
properties.get(StorageProvider.PROPERTIES_CONTENT_CHECKSUM),
inputStream);
return md5;
} catch (NotFoundException e) {
throw new ResourceNotFoundException(
"copy content",
srcStorage.getTargetType().name(),
srcSpaceID,
srcContentID,
destStorage.getTargetType().name(),
destSpaceID,
destContentID,
e);
} catch (StorageStateException e) {
throw new ResourceStateException(
"copy content",
srcStorage.getTargetType().name(),
srcSpaceID,
srcContentID,
destStorage.getTargetType().name(),
destSpaceID,
destContentID,
e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(srcStoreID);
storageProviderFactory.expireStorageProvider(destStoreID);
throw new ResourceException(
"copy content",
srcStorage.getTargetType().name(),
srcSpaceID,
srcContentID,
destStorage.getTargetType().name(),
destSpaceID,
destContentID,
e);
}
}