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ContentDiskDriver rework. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29451 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
126 lines
4.3 KiB
Java
126 lines
4.3 KiB
Java
/*
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* Copyright (C) 2005-2010 Alfresco Software Limited.
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*
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* This file is part of Alfresco
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*
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* Alfresco is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Alfresco is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.alfresco.service.cmr.model;
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import java.util.List;
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import org.alfresco.repo.security.authentication.AuthenticationUtil;
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import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
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import org.alfresco.service.cmr.repository.NodeRef;
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import org.alfresco.service.namespace.QName;
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/**
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* Higher level utility methods to be used in conjunction with the FileFolderService.
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*
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* @author mrogers
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*/
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public class FileFolderUtil
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{
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/**
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* Checks for the presence of, and creates as necessary, the folder
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* structure in the provided path.
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* <p>
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* An empty path list is not allowed as it would be impossible to
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* necessarily return file info for the parent node - it might not be a
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* folder node.
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*
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* @param parentNodeRef
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* the node under which the path will be created
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* @param pathElements
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* the folder name path to create - may not be empty
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* @param folderTypeQName
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* the types of nodes to create. This must be a valid subtype of
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* {@link org.alfresco.model.ContentModel#TYPE_FOLDER they folder
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* type}.
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* @return Returns the info of the last folder in the path.
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*/
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public static FileInfo makeFolders(FileFolderService service,
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NodeRef parentNodeRef, List<String> pathElements,
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QName folderTypeQName)
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{
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if (pathElements.size() == 0)
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{
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throw new IllegalArgumentException("Path element list is empty");
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}
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// make sure that the folder is correct
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boolean isFolder = service.getType(folderTypeQName) == FileFolderServiceType.FOLDER;
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if (!isFolder)
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{
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throw new IllegalArgumentException(
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"Type is invalid to make folders with: " + folderTypeQName);
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}
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NodeRef currentParentRef = parentNodeRef;
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// just loop and create if necessary
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for (String pathElement : pathElements)
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{
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// does it exist?
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// Navigation should not check permissions
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NodeRef nodeRef = AuthenticationUtil.runAs(new SearchAsSystem(
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service, currentParentRef, pathElement), AuthenticationUtil
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.getSystemUserName());
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if (nodeRef == null)
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{
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// not present - make it
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// If this uses the public service it will check create
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// permissions
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FileInfo createdFileInfo = service.create(currentParentRef,
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pathElement, folderTypeQName);
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currentParentRef = createdFileInfo.getNodeRef();
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}
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else
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{
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// it exists
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currentParentRef = nodeRef;
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}
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}
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// done
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// Used to call toFileInfo((currentParentRef, true);
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// If this uses the public service this will check the final read access
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FileInfo fileInfo = service.getFileInfo(currentParentRef);
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// Should we check the type?
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return fileInfo;
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}
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private static class SearchAsSystem implements RunAsWork<NodeRef>
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{
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FileFolderService service;
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NodeRef node;
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String name;
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SearchAsSystem(FileFolderService service, NodeRef node, String name)
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{
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this.service = service;
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this.node = node;
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this.name = name;
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}
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public NodeRef doWork() throws Exception
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{
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return service.searchSimple(node, name);
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}
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}
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}
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