001/* 002 * (C) Copyright 2006-2009 Nuxeo SAS (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.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 * Nuxeo - initial API and implementation 016 * 017 * $Id$ 018 */ 019 020package org.nuxeo.ecm.webapp.filemanager; 021 022import org.jboss.seam.ScopeType; 023import org.jboss.seam.annotations.Factory; 024import org.jboss.seam.annotations.In; 025import org.jboss.seam.annotations.Name; 026import org.jboss.seam.annotations.Scope; 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.core.api.blobholder.BlobHolder; 029import org.nuxeo.ecm.platform.ui.web.api.NavigationContext; 030 031@Name("blobHolderGenerator") 032@Scope(ScopeType.EVENT) 033public class BlobHolderGenerator { 034 035 @In(create = true, required = false) 036 private NavigationContext navigationContext; 037 038 @Factory(value = "currentDocumentAsBlobHolder", scope = ScopeType.EVENT) 039 public BlobHolder getCurrentBlobHolder() { 040 if (navigationContext == null) { 041 return null; 042 } 043 DocumentModel currentDocument = navigationContext.getCurrentDocument(); 044 return getBlobHolder(currentDocument); 045 } 046 047 public BlobHolder getBlobHolder(DocumentModel document) { 048 if (document != null) { 049 return document.getAdapter(BlobHolder.class); 050 } else { 051 return null; 052 } 053 } 054}