/**
* Retrieves the properties of a piece of content.
*
* @param spaceID
* @param contentID
* @return Map of content properties
*/
@Override
public Map<String, String> getContentProperties(String spaceID, String contentID, String storeID)
throws ResourceException {
try {
StorageProvider storage = storageProviderFactory.getStorageProvider(storeID);
return storage.getContentProperties(spaceID, contentID);
} catch (NotFoundException e) {
throw new ResourceNotFoundException("get properties for content", spaceID, contentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException("get properties for content", spaceID, contentID, e);
}
}
/**
* Adds content to a space.
*
* @return the checksum of the content as computed by the storage provider
*/
@Override
public String addContent(
String spaceID,
String contentID,
InputStream content,
String contentMimeType,
Map<String, String> userProperties,
long contentSize,
String checksum,
String storeID)
throws ResourceException, InvalidIdException {
IdUtil.validateContentId(contentID);
try {
StorageProvider storage = storageProviderFactory.getStorageProvider(storeID);
try {
// overlay new properties on top of older extended properties
// so that old tags and custom properties are preserved.
// c.f. https://jira.duraspace.org/browse/DURACLOUD-757
Map<String, String> oldUserProperties = storage.getContentProperties(spaceID, contentID);
// remove all non extended properties
if (userProperties != null) {
oldUserProperties.putAll(userProperties);
// use old mimetype if none specified.
String oldMimetype =
oldUserProperties.remove(StorageProvider.PROPERTIES_CONTENT_MIMETYPE);
if (contentMimeType == null || contentMimeType.trim() == "") {
contentMimeType = oldMimetype;
}
oldUserProperties = StorageProviderUtil.removeCalculatedProperties(oldUserProperties);
}
userProperties = oldUserProperties;
} catch (NotFoundException ex) {
// do nothing - no properties to update
// since file did not previous exist.
}
return storage.addContent(
spaceID, contentID, contentMimeType, userProperties, contentSize, checksum, content);
} catch (NotFoundException e) {
throw new ResourceNotFoundException("add content", spaceID, contentID, e);
} catch (ChecksumMismatchException e) {
throw new ResourceChecksumException("add content", spaceID, contentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException("add content", spaceID, contentID, e);
}
}
/**
* Removes a piece of content.
*
* @param spaceID
* @param contentID
* @return success
*/
@Override
public void deleteContent(String spaceID, String contentID, String storeID)
throws ResourceException {
try {
StorageProvider storage = storageProviderFactory.getStorageProvider(storeID);
storage.deleteContent(spaceID, contentID);
} catch (NotFoundException e) {
throw new ResourceNotFoundException("delete content", spaceID, contentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException("delete content", spaceID, contentID, e);
}
}
/**
* Retrieves content from a space.
*
* @param spaceID
* @param contentID
* @return InputStream which can be used to read content.
*/
@Override
public InputStream getContent(String spaceID, String contentID, String storeID)
throws ResourceException {
try {
StorageProvider storage = storageProviderFactory.getStorageProvider(storeID);
return storage.getContent(spaceID, contentID);
} catch (NotFoundException e) {
throw new ResourceNotFoundException("get content", spaceID, contentID, e);
} catch (StorageStateException e) {
throw new ResourceStateException("get content", spaceID, contentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException("get content", spaceID, contentID, e);
}
}
/**
* Updates the properties of a piece of content.
*
* @return success
*/
@Override
public void updateContentProperties(
String spaceID,
String contentID,
String contentMimeType,
Map<String, String> userProperties,
String storeID)
throws ResourceException {
try {
StorageProvider storage = storageProviderFactory.getStorageProvider(storeID);
// Update content properties
if (userProperties != null) {
storage.setContentProperties(spaceID, contentID, userProperties);
}
} catch (NotFoundException e) {
throw new ResourceNotFoundException("update properties for content", spaceID, contentID, e);
} catch (StorageStateException e) {
throw new ResourceStateException("update properties for content", spaceID, contentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException("update properties for content", spaceID, contentID, e);
}
}
private String copyContent(
StorageProvider storage,
String srcSpaceID,
String srcContentID,
String destSpaceID,
String destContentID,
String storeID)
throws ResourceException {
try {
return storage.copyContent(srcSpaceID, srcContentID, destSpaceID, destContentID);
} catch (NotFoundException e) {
throw new ResourceNotFoundException(
"copy content", srcSpaceID, srcContentID, destSpaceID, destContentID, e);
} catch (StorageStateException e) {
throw new ResourceStateException(
"copy content", srcSpaceID, srcContentID, destSpaceID, destContentID, e);
} catch (Exception e) {
storageProviderFactory.expireStorageProvider(storeID);
throw new ResourceException(
"copy content", srcSpaceID, srcContentID, destSpaceID, destContentID, e);
}
}