001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl-2.1.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Antoine Taillefer <ataillefer@nuxeo.com> 016 */ 017package org.nuxeo.drive.adapter.impl; 018 019import static org.nuxeo.ecm.platform.query.nxql.CoreQueryDocumentPageProvider.CORE_SESSION_PROPERTY; 020 021import java.io.Serializable; 022import java.util.ArrayList; 023import java.util.HashMap; 024import java.util.List; 025import java.util.Map; 026 027import org.nuxeo.drive.adapter.FileItem; 028import org.nuxeo.drive.adapter.FileSystemItem; 029import org.nuxeo.drive.adapter.FolderItem; 030import org.nuxeo.ecm.collections.api.CollectionConstants; 031import org.nuxeo.ecm.core.api.Blob; 032import org.nuxeo.ecm.core.api.CoreInstance; 033import org.nuxeo.ecm.core.api.CoreSession; 034import org.nuxeo.ecm.core.api.DocumentModel; 035import org.nuxeo.ecm.platform.query.api.PageProvider; 036import org.nuxeo.ecm.platform.query.api.PageProviderService; 037import org.nuxeo.runtime.api.Framework; 038 039/** 040 * Default implementation of a collection synchronization root {@link FolderItem}. 041 * 042 * @author Antoine Taillefer 043 * @since 6.0 044 */ 045public class CollectionSyncRootFolderItem extends DefaultSyncRootFolderItem implements FolderItem { 046 047 private static final long serialVersionUID = 1L; 048 049 public CollectionSyncRootFolderItem(String factoryName, FolderItem parentItem, DocumentModel doc) { 050 this(factoryName, parentItem, doc, false); 051 } 052 053 public CollectionSyncRootFolderItem(String factoryName, FolderItem parentItem, DocumentModel doc, 054 boolean relaxSyncRootConstraint) { 055 super(factoryName, parentItem, doc, relaxSyncRootConstraint); 056 } 057 058 protected CollectionSyncRootFolderItem() { 059 // Needed for JSON deserialization 060 } 061 062 @Override 063 @SuppressWarnings("unchecked") 064 public List<FileSystemItem> getChildren() { 065 try (CoreSession session = CoreInstance.openCoreSession(repositoryName, principal)) { 066 PageProviderService pageProviderService = Framework.getLocalService(PageProviderService.class); 067 Map<String, Serializable> props = new HashMap<String, Serializable>(); 068 props.put(CORE_SESSION_PROPERTY, (Serializable) session); 069 PageProvider<DocumentModel> childrenPageProvider = (PageProvider<DocumentModel>) pageProviderService.getPageProvider( 070 CollectionConstants.COLLECTION_CONTENT_PAGE_PROVIDER, null, null, 0L, props, docId); 071 List<DocumentModel> dmChildren = childrenPageProvider.getCurrentPage(); 072 073 List<FileSystemItem> children = new ArrayList<FileSystemItem>(dmChildren.size()); 074 for (DocumentModel dmChild : dmChildren) { 075 FileSystemItem child = getFileSystemItemAdapterService().getFileSystemItem(dmChild, this); 076 if (child != null) { 077 children.add(child); 078 } 079 } 080 return children; 081 } 082 } 083 084 @Override 085 public FolderItem createFolder(String name) { 086 throw new UnsupportedOperationException("Cannot create a folder in a collection synchronization root."); 087 } 088 089 @Override 090 public FileItem createFile(Blob blob) { 091 throw new UnsupportedOperationException("Cannot create a file in a collection synchronization root."); 092 } 093 094 @Override 095 protected final void initialize(DocumentModel doc) { 096 super.initialize(doc); 097 // Cannot create a document in a collection sync root (could be 098 // implemented as adding it to the collection if only we new the doc 099 // path). 100 this.canCreateChild = false; 101 } 102 103}