/**
* This will delete an asset and all its attachments
*
* @param assetId The id of the asset
* @return <code>true</code> if the asset and all its attachments are deleted. Note this is not
* atomic so some attachments may be deleted and <code>false</code> returned.
* @throws IOException
* @throws RequestFailureException
*/
public void deleteAssetAndAttachments(String assetId)
throws IOException, RequestFailureException {
Asset ass = getUnverifiedAsset(assetId);
List<Attachment> attachments = ass.getAttachments();
if (attachments != null) {
for (Attachment attachment : attachments) {
deleteAttachment(assetId, attachment.get_id());
}
}
// Now delete the asset
deleteAsset(assetId);
}
/**
* Adds an asset into Massive. Note that Massive will set some fields (such as ID) so it is
* important to switch to the returned object after calling this method.
*
* @param asset The asset to add, it will not be modified by this method
* @return The asset with information added by Massive
* @throws IOException
*/
public Asset addAsset(Asset asset)
throws IOException, BadVersionException, RequestFailureException {
HttpURLConnection connection = createHttpURLConnectionToMassive("/assets");
connection.setRequestMethod("POST");
connection.setRequestProperty("Content-Type", "application/json");
connection.setDoOutput(true);
JSONAssetConverter.writeValue(connection.getOutputStream(), asset);
testResponseCode(connection);
Asset returnedAsset = JSONAssetConverter.readValue(connection.getInputStream());
returnedAsset = getAsset(returnedAsset.get_id());
return returnedAsset;
}
/**
* Returns the meta data about an attachment
*
* @param assetId The ID of the asset owning the attachment
* @param attachmentId The ID of the attachment
* @return The attachment meta data
* @throws IOException
* @throws RequestFailureException
*/
public Attachment getAttachmentMetaData(String assetId, String attachmentId)
throws IOException, BadVersionException, RequestFailureException {
// At the moment can only get all attachments
Asset ass = getAsset(assetId);
List<Attachment> allAttachments = ass.getAttachments();
for (Attachment attachment : allAttachments) {
if (attachmentId.equals(attachment.get_id())) {
return attachment;
}
}
// Didn't find it so just return null
return null;
}
/**
* This method will update an existing attachment on an asset. Note that Massive currently doesn't
* support update attachment so this will do a delete and an add.
*
* @param assetId The ID of the asset that the attachment is attached to
* @param name The name of the attachment to update
* @param file The file to attach
* @param attach Attachment metadata
* @return
* @throws IOException
* @throws RequestFailureException
*/
public Attachment updateAttachment(String assetId, AttachmentSummary summary)
throws IOException, BadVersionException, RequestFailureException {
// First find the attachment to update
// TODO update when massive supports proper updates to attachments
Asset ass = getAsset(assetId);
List<Attachment> attachments = ass.getAttachments();
if (attachments != null) {
for (Attachment attachment : attachments) {
if (attachment.getName().equals(summary.getName())) {
this.deleteAttachment(assetId, attachment.get_id());
break;
}
}
}
return this.addAttachment(assetId, summary);
}
/**
* Updates an asset in Massive. The {@link Asset#get_id()} must return the correct ID for this
* asset. Note that Massive will set some fields (such as last update date) so it is important to
* switch to the returned object after calling this method.
*
* @param asset The asset to add, it will not be modified by this method
* @return The asset with information added by Massive
* @throws IOException
* @throws RequestFailureException
*/
public Asset updateAsset(Asset asset)
throws IOException, BadVersionException, RequestFailureException {
HttpURLConnection connection = createHttpURLConnectionToMassive("/assets/" + asset.get_id());
connection.setRequestMethod("PUT");
connection.setRequestProperty("Content-Type", "application/json");
connection.setDoOutput(true);
JSONAssetConverter.writeValue(connection.getOutputStream(), asset);
/*
* Force the PUT to take place by getting the response code and making sure it is ok
*/
testResponseCode(connection);
/*
* PUTs don't return an (they just return "1" - not sure what that
* means) so go and grab it so we have an updated one with the right
* last update date in case they use it for optimistic locking
*/
return getAsset(asset.get_id());
}
