001/*
002 * Copyright (c) 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the Eclipse Public License v1.0
006 * which accompanies this distribution, and is available at
007 * http://www.eclipse.org/legal/epl-v10.html
008 *
009 * Contributors:
010 *     Nuxeo - initial API and implementation
011 *
012 * $Id: JOOoConvertPluginImpl.java 18651 2007-05-13 20:28:53Z sfermigier $
013 */
014
015package org.nuxeo.ecm.platform.dublincore.service;
016
017import static org.nuxeo.ecm.core.api.event.DocumentEventTypes.DOCUMENT_CREATED;
018import static org.nuxeo.ecm.core.api.security.SecurityConstants.SYSTEM_USERNAME;
019
020import java.security.Principal;
021import java.util.ArrayList;
022import java.util.Arrays;
023import java.util.Calendar;
024import java.util.List;
025
026import org.apache.commons.logging.Log;
027import org.apache.commons.logging.LogFactory;
028import org.nuxeo.ecm.core.api.DocumentModel;
029import org.nuxeo.ecm.core.api.SystemPrincipal;
030import org.nuxeo.ecm.core.event.Event;
031import org.nuxeo.ecm.core.schema.SchemaManager;
032import org.nuxeo.runtime.api.Framework;
033import org.nuxeo.runtime.model.DefaultComponent;
034
035/**
036 * Service that writes Metadata.
037 *
038 * @author <a href="td@nuxeo.com">Thierry Delprat</a>
039 */
040public class DublinCoreStorageService extends DefaultComponent {
041
042    public static Log log = LogFactory.getLog(DublinCoreStorageService.class);
043
044    public static final String ID = "DublinCoreStorageService";
045
046    public void setCreationDate(DocumentModel doc, Calendar creationDate, Event event) {
047        doc.setProperty("dublincore", "created", creationDate);
048        addContributor(doc, event);
049    }
050
051    public void setModificationDate(DocumentModel doc, Calendar modificationDate, Event event) {
052        doc.setProperty("dublincore", "modified", modificationDate);
053        if (doc.getProperty("dublincore", "created") == null) {
054            setCreationDate(doc, modificationDate, event);
055        }
056    }
057
058    public void addContributor(DocumentModel doc, Event event) {
059        Principal principal = event.getContext().getPrincipal();
060        if (principal == null) {
061            return;
062        }
063
064        String principalName = principal.getName();
065        if (principal instanceof SystemPrincipal) {
066            SystemPrincipal nxp = (SystemPrincipal) principal;
067            String originatingUser = nxp.getOriginatingUser();
068            if ((originatingUser == null || SYSTEM_USERNAME.equals(originatingUser))
069                    && !DOCUMENT_CREATED.equals(event.getName())) {
070                return;
071            } else {
072                principalName = originatingUser;
073            }
074        }
075
076        String[] contributorsArray = (String[]) doc.getProperty("dublincore", "contributors");
077
078        List<String> contributorsList = new ArrayList<String>();
079
080        if (contributorsArray != null && contributorsArray.length > 0) {
081            contributorsList = Arrays.asList(contributorsArray);
082            // make it resizable
083            contributorsList = new ArrayList<String>(contributorsList);
084        } else {
085            // initialize creator too
086            SchemaManager schemaMgr = Framework.getLocalService(SchemaManager.class);
087            if (schemaMgr.getSchema("dublincore").getField("creator") != null) {
088                // First time only => creator
089                doc.setProperty("dublincore", "creator", principalName);
090            }
091        }
092
093        if (!contributorsList.contains(principalName)) {
094            contributorsList.add(principalName);
095            String[] contributorListIn = new String[contributorsList.size()];
096            contributorsList.toArray(contributorListIn);
097            doc.setProperty("dublincore", "contributors", contributorListIn);
098        }
099
100        doc.setProperty("dublincore", "lastContributor", principalName);
101    }
102
103    public void setIssuedDate(DocumentModel doc, Calendar issuedDate) {
104        doc.setPropertyValue("dc:issued", issuedDate);
105    }
106
107}