Files
alfresco-community-repo/source/java/org/alfresco/repo/download/DownloadServiceImpl.java
Raluca Munteanu 86dc6f3402 Merged 5.1.1 (5.1.1) to 5.1.N (5.1.2)
125484 slanglois: MNT-16155 Update source headers - remove old Copyrights from Java and JSP dource files


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/BRANCHES/DEV/5.1.N/root@125603 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2016-04-20 10:21:07 +00:00

117 lines
3.7 KiB
Java

package org.alfresco.repo.download;
import java.util.Date;
import java.util.List;
import org.alfresco.repo.download.cannedquery.DownloadEntity;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
import org.alfresco.service.cmr.download.DownloadService;
import org.alfresco.service.cmr.download.DownloadStatus;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.util.ParameterCheck;
/**
* Implementation of the download service.
*
* Persists the download reqest and then uses a local action service to execute
* the {@link CreateDownloadArchiveAction}.
*
* @author Alex Miller
*/
public class DownloadServiceImpl implements DownloadService {
// Dependencies
private ActionServiceHelper actionServiceHelper;
private DownloadStorage downloadStorage;
private RetryingTransactionHelper transactionHelper;
// Dependency setters
public void setActionServiceHelper(ActionServiceHelper actionServiceHelper)
{
this.actionServiceHelper = actionServiceHelper;
}
public void setTransactionHelper(RetryingTransactionHelper transactionHelper)
{
this.transactionHelper = transactionHelper;
}
public void setDownloadStorage(DownloadStorage downloadStorage)
{
this.downloadStorage = downloadStorage;
}
@Override
public NodeRef createDownload(final NodeRef[] requestedNodes, final boolean recursive) {
ParameterCheck.mandatory("nodeRefs", requestedNodes);
if (requestedNodes.length < 1)
{
throw new IllegalArgumentException("Need at least 1 node ref");
}
// This is done in a new transaction to avoid node not found errors when the zip creation occurs
// on a remote transformation server.
NodeRef downloadNode = transactionHelper.doInTransaction(new RetryingTransactionCallback<NodeRef>()
{
@Override
public NodeRef execute() throws Throwable
{
//Create a download node
NodeRef downloadNode = downloadStorage.createDownloadNode(recursive);
//Add requested nodes
for (NodeRef node : requestedNodes)
{
downloadStorage.addNodeToDownload(downloadNode, node);
}
return downloadNode;
}
}, false, true);
//Trigger the action.
actionServiceHelper.executeAction(downloadNode);
return downloadNode;
}
@Override
public DownloadStatus getDownloadStatus(NodeRef downloadNode) {
ParameterCheck.mandatory("downloadNode", downloadNode);
return downloadStorage.getDownloadStatus(downloadNode);
}
/*
* @see org.alfresco.service.cmr.download.DownloadService#deleteDownloads(java.util.Date)
*/
@Override
public void deleteDownloads(Date before)
{
List<List<DownloadEntity>> downloadPages = downloadStorage.getDownloadsCreatedBefore(before);
for (List<DownloadEntity> page : downloadPages)
{
for (DownloadEntity download : page)
{
downloadStorage.delete(download.getNodeRef());
}
}
}
/*
* @see org.alfresco.service.cmr.download.DownloadService#cancelDownload(org.alfresco.service.cmr.repository.NodeRef)
*/
@Override
public void cancelDownload(NodeRef downloadNodeRef)
{
ParameterCheck.mandatory("downloadNodeRef", downloadNodeRef);
downloadStorage.cancelDownload(downloadNodeRef);
}
}