001/* 002 * (C) Copyright 2014 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Antoine Taillefer <ataillefer@nuxeo.com> 018 */ 019package org.nuxeo.drive.adapter.impl; 020 021import static org.nuxeo.ecm.platform.query.nxql.CoreQueryDocumentPageProvider.CORE_SESSION_PROPERTY; 022 023import java.io.Serializable; 024import java.util.ArrayList; 025import java.util.HashMap; 026import java.util.List; 027import java.util.Map; 028 029import org.nuxeo.drive.adapter.FileItem; 030import org.nuxeo.drive.adapter.FileSystemItem; 031import org.nuxeo.drive.adapter.FolderItem; 032import org.nuxeo.ecm.collections.api.CollectionConstants; 033import org.nuxeo.ecm.core.api.Blob; 034import org.nuxeo.ecm.core.api.CoreInstance; 035import org.nuxeo.ecm.core.api.CoreSession; 036import org.nuxeo.ecm.core.api.DocumentModel; 037import org.nuxeo.ecm.platform.query.api.PageProvider; 038import org.nuxeo.ecm.platform.query.api.PageProviderService; 039import org.nuxeo.runtime.api.Framework; 040 041/** 042 * Default implementation of a collection synchronization root {@link FolderItem}. 043 * 044 * @author Antoine Taillefer 045 * @since 6.0 046 */ 047public class CollectionSyncRootFolderItem extends DefaultSyncRootFolderItem implements FolderItem { 048 049 private static final long serialVersionUID = 1L; 050 051 public CollectionSyncRootFolderItem(String factoryName, FolderItem parentItem, DocumentModel doc) { 052 this(factoryName, parentItem, doc, false); 053 } 054 055 public CollectionSyncRootFolderItem(String factoryName, FolderItem parentItem, DocumentModel doc, 056 boolean relaxSyncRootConstraint) { 057 super(factoryName, parentItem, doc, relaxSyncRootConstraint); 058 } 059 060 protected CollectionSyncRootFolderItem() { 061 // Needed for JSON deserialization 062 } 063 064 @Override 065 @SuppressWarnings("unchecked") 066 public List<FileSystemItem> getChildren() { 067 try (CoreSession session = CoreInstance.openCoreSession(repositoryName, principal)) { 068 PageProviderService pageProviderService = Framework.getLocalService(PageProviderService.class); 069 Map<String, Serializable> props = new HashMap<String, Serializable>(); 070 props.put(CORE_SESSION_PROPERTY, (Serializable) session); 071 PageProvider<DocumentModel> childrenPageProvider = (PageProvider<DocumentModel>) pageProviderService.getPageProvider( 072 CollectionConstants.COLLECTION_CONTENT_PAGE_PROVIDER, null, null, 0L, props, docId); 073 List<DocumentModel> dmChildren = childrenPageProvider.getCurrentPage(); 074 075 List<FileSystemItem> children = new ArrayList<FileSystemItem>(dmChildren.size()); 076 for (DocumentModel dmChild : dmChildren) { 077 FileSystemItem child = getFileSystemItemAdapterService().getFileSystemItem(dmChild, this); 078 if (child != null) { 079 children.add(child); 080 } 081 } 082 return children; 083 } 084 } 085 086 @Override 087 public FolderItem createFolder(String name) { 088 throw new UnsupportedOperationException("Cannot create a folder in a collection synchronization root."); 089 } 090 091 @Override 092 public FileItem createFile(Blob blob) { 093 throw new UnsupportedOperationException("Cannot create a file in a collection synchronization root."); 094 } 095 096 @Override 097 protected final void initialize(DocumentModel doc) { 098 super.initialize(doc); 099 // Cannot create a document in a collection sync root (could be 100 // implemented as adding it to the collection if only we new the doc 101 // path). 102 this.canCreateChild = false; 103 } 104 105}