Merged 5.2.N (5.2.2) to HEAD (5.2)

134671 cpopa: Merged WEBAPP-API (5.2.1) to 5.2.N (5.2.1)
      134630 cpopa: APPSREPO-105 : Add an API to download multiple file/folders as a zip
         - Added an API for creating a download, retrieving download info and canceling a download


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@137348 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Andrei Rebegea
2017-06-14 16:58:01 +00:00
parent cbd0c08325
commit 0e29136f2d
8 changed files with 1031 additions and 1 deletions

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/*
* #%L
* Alfresco Remote API
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.rest.api;
import org.alfresco.rest.api.model.Download;
/**
* downloads API
*
* @author cpopa
*
*/
public interface Downloads
{
/**
* Creates a download:download node.
*
* @param download
* @return information about the newly created download:download node
*/
Download createDownloadNode(Download download);
/**
* Get status info about a download node.
*
* @param downloadNodeId
* @return status info about a download:download node
*/
Download getDownloadStatus(String downloadNodeId);
/**
* Stop the zip creation if still in progress
* @param downloadNodeId
*/
void cancel(String downloadNodeId);
}

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/*
* #%L
* Alfresco Remote API
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.rest.api.downloads;
import java.util.Collections;
import java.util.List;
import javax.servlet.http.HttpServletResponse;
import org.alfresco.rest.api.Downloads;
import org.alfresco.rest.api.model.Download;
import org.alfresco.rest.framework.WebApiDescription;
import org.alfresco.rest.framework.WebApiParam;
import org.alfresco.rest.framework.core.ResourceParameter;
import org.alfresco.rest.framework.core.exceptions.EntityNotFoundException;
import org.alfresco.rest.framework.resource.EntityResource;
import org.alfresco.rest.framework.resource.actions.interfaces.EntityResourceAction;
import org.alfresco.rest.framework.resource.parameters.Parameters;
import org.alfresco.util.ParameterCheck;
import org.springframework.beans.factory.InitializingBean;
/**
*
* @author cpopa
*
*/
@EntityResource(name = "downloads", title = "Downloads")
public class DownloadsEntityResource implements EntityResourceAction.Create<Download>, EntityResourceAction.ReadById<Download>, EntityResourceAction.Delete, InitializingBean
{
private Downloads downloads;
public void setDownloads(Downloads downloads)
{
this.downloads = downloads;
}
@Override
public void afterPropertiesSet()
{
ParameterCheck.mandatory("downloads", this.downloads);
}
@Override
@WebApiDescription(title = "Create download", description = "Create a download node whose content will be a zip which is being created asynchronously.", successStatus = HttpServletResponse.SC_ACCEPTED)
@WebApiParam(name = "entity", title = "Download request", description = "Download request which contains the node ids for the zip elements.",
kind = ResourceParameter.KIND.HTTP_BODY_OBJECT, allowMultiple = false)
public List<Download> create(List<Download> entity, Parameters parameters)
{
Download downloadNode = downloads.createDownloadNode(entity.get(0));
return Collections.singletonList(downloadNode);
}
@Override
@WebApiDescription(title = "Get download information", description = "Get information about the progress of the zip creation.")
@WebApiParam(name = "nodeId", title = "Download nodeId")
public Download readById(String nodeId, Parameters parameters) throws EntityNotFoundException
{
return downloads.getDownloadStatus(nodeId);
}
@WebApiDescription(title = "Cancel download", description = "Stop the zip creation if still in progress.", successStatus = HttpServletResponse.SC_ACCEPTED)
@Override
public void delete(String nodeId, Parameters parameters)
{
downloads.cancel(nodeId);
}
}

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/*
* #%L
* Alfresco Remote API
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
@WebApi(name="alfresco", scope=Api.SCOPE.PUBLIC, version=1)
package org.alfresco.rest.api.downloads;
import org.alfresco.rest.framework.Api;
import org.alfresco.rest.framework.WebApi;

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/*
* #%L
* Alfresco Remote API
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.rest.api.impl;
import java.util.HashSet;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.download.DownloadModel;
import org.alfresco.rest.api.Downloads;
import org.alfresco.rest.api.Nodes;
import org.alfresco.rest.api.model.Download;
import org.alfresco.rest.framework.core.exceptions.InvalidArgumentException;
import org.alfresco.rest.framework.core.exceptions.PermissionDeniedException;
import org.alfresco.service.cmr.download.DownloadService;
import org.alfresco.service.cmr.download.DownloadStatus;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.security.AccessStatus;
import org.alfresco.service.cmr.security.PermissionService;
import org.alfresco.service.namespace.QName;
/**
*
* @author cpopa
*
*/
public class DownloadsImpl implements Downloads
{
private DownloadService downloadService;
private NodeService nodeService;
private Nodes nodes;
private PermissionService permissionService;
public static final String DEFAULT_ARCHIVE_NAME = "archive.zip";
public static final String DEFAULT_ARCHIVE_EXTENSION = ".zip";
public void setDownloadService(DownloadService downloadService)
{
this.downloadService = downloadService;
}
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
public void setNodes(Nodes nodes)
{
this.nodes = nodes;
}
public void setPermissionService(PermissionService permissionService)
{
this.permissionService = permissionService;
}
@Override
public Download createDownloadNode(Download download)
{
checkEmptyNodeIds(download);
checkDuplicateNodeId(download);
NodeRef[] zipContentNodeRefs = validateAndGetNodeRefs(download);
checkNodeIdsReadPermission(zipContentNodeRefs);
NodeRef zipNodeRef = downloadService.createDownload(zipContentNodeRefs, true);
String archiveName = zipContentNodeRefs.length > 1 ?
DEFAULT_ARCHIVE_NAME :
nodeService.getProperty(zipContentNodeRefs[0], ContentModel.PROP_NAME) + DEFAULT_ARCHIVE_EXTENSION;
nodeService.setProperty(zipNodeRef, ContentModel.PROP_NAME, archiveName);
Download downloadInfo = getStatus(zipNodeRef);
return downloadInfo;
}
@Override
public Download getDownloadStatus(String downloadNodeId)
{
NodeRef downloadNodeRef = nodes.validateNode(downloadNodeId);
checkIsDownloadNodeType(downloadNodeRef);
Download downloadInfo = getStatus(downloadNodeRef);
return downloadInfo;
}
@Override
public void cancel(String downloadNodeId)
{
NodeRef downloadNodeRef = nodes.validateNode(downloadNodeId);
checkIsDownloadNodeType(downloadNodeRef);
downloadService.cancelDownload(downloadNodeRef);
}
protected NodeRef[] validateAndGetNodeRefs(Download download)
{
return download.getNodeIds().stream()
.map(nodeRef -> nodes.validateNode(nodeRef))
.toArray(NodeRef[]::new);
}
protected void checkNodeIdsReadPermission(NodeRef[] zipContentNodeRefs)
{
for (NodeRef nodeRef : zipContentNodeRefs)
{
if (permissionService.hasReadPermission(nodeRef).equals(AccessStatus.DENIED)){
throw new PermissionDeniedException();
}
}
}
protected void checkDuplicateNodeId(Download download)
{
if(download.getNodeIds().size() != new HashSet<String>(download.getNodeIds()).size()){
throw new InvalidArgumentException("Cannot specify the same nodeId twice");
}
}
protected void checkEmptyNodeIds(Download download)
{
if (download.getNodeIds().size() == 0)
{
throw new InvalidArgumentException("Cannot create an archive with 0 entries.");
}
}
protected void checkIsDownloadNodeType(NodeRef downloadNodeRef)
{
QName nodeIdType = this.nodeService.getType(downloadNodeRef);
if(!nodeIdType.equals(DownloadModel.TYPE_DOWNLOAD)){
throw new InvalidArgumentException("Please specify the nodeId of a download node.");
}
}
private Download getStatus(NodeRef downloadNodeRef)
{
DownloadStatus status = downloadService.getDownloadStatus(downloadNodeRef);
Download downloadInfo = new Download();
downloadInfo.setDownloadId(downloadNodeRef.getId());
downloadInfo.setDone(status.getDone());
downloadInfo.setFilesAdded(status.getFilesAdded());
downloadInfo.setStatus(status.getStatus());
downloadInfo.setTotalFiles(status.getTotalFiles());
downloadInfo.setTotal(status.getTotal());
return downloadInfo;
}
}

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/*
* #%L
* Alfresco Remote API
* %%
* Copyright (C) 2005 - 2016 Alfresco Software Limited
* %%
* This file is part of the Alfresco software.
* If the software was purchased under a paid Alfresco license, the terms of
* the paid license agreement will prevail. Otherwise, the software is
* provided under the following open source license terms:
*
* Alfresco is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Alfresco is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
* #L%
*/
package org.alfresco.rest.api.model;
import java.util.List;
import org.alfresco.service.cmr.download.DownloadStatus;
/**
* Represents a download entity
*
*/
public class Download
{
private String downloadId;
private List<String> nodeIds;
private DownloadStatus.Status status;
private long done;
private long total;
private long filesAdded;
private long totalFiles;
public String getDownloadId()
{
return downloadId;
}
public void setDownloadId(String downloadId)
{
this.downloadId = downloadId;
}
public List<String> getNodeIds()
{
return nodeIds;
}
public void setNodeIds(List<String> nodeIds)
{
this.nodeIds = nodeIds;
}
public DownloadStatus.Status getStatus()
{
return status;
}
public void setStatus(DownloadStatus.Status status)
{
this.status = status;
}
public long getDone()
{
return done;
}
public void setDone(long done)
{
this.done = done;
}
public long getTotal()
{
return total;
}
public void setTotal(long total)
{
this.total = total;
}
public long getFilesAdded()
{
return filesAdded;
}
public void setFilesAdded(long filesAdded)
{
this.filesAdded = filesAdded;
}
public long getTotalFiles()
{
return totalFiles;
}
public void setTotalFiles(long totalFiles)
{
this.totalFiles = totalFiles;
}
@Override
public String toString()
{
StringBuilder builder = new StringBuilder(150);
builder.append("Download [downloadId=").append(downloadId)
.append(", nodeIds=").append(nodeIds)
.append(", status=").append(status)
.append(", done=").append(done)
.append(", total=").append(total)
.append(", filesAdded=").append(filesAdded)
.append(", totalFiles=").append(totalFiles)
.append("]");
return builder.toString();
}
}