001/*
002 * (C) Copyright 2006-2008 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 *     bstefanescu
016 *
017 * $Id$
018 */
019
020package org.nuxeo.ecm.core.rest;
021
022import java.util.List;
023
024import javax.ws.rs.GET;
025import javax.ws.rs.POST;
026import javax.ws.rs.Path;
027import javax.ws.rs.PathParam;
028
029import org.nuxeo.ecm.core.api.DocumentModel;
030import org.nuxeo.ecm.core.api.NuxeoException;
031import org.nuxeo.ecm.core.api.VersionModel;
032import org.nuxeo.ecm.webengine.WebException;
033import org.nuxeo.ecm.webengine.model.WebAdapter;
034import org.nuxeo.ecm.webengine.model.exceptions.WebResourceNotFoundException;
035import org.nuxeo.ecm.webengine.model.impl.DefaultAdapter;
036
037/**
038 * Version Service - manage document versions TODO not yet implemented
039 * <p>
040 * Accepts the following methods:
041 * <ul>
042 * <li>GET - get the last document version
043 * <li>DELETE - delete a version
044 * <li>POST - create a new version
045 * </ul>
046 *
047 * @author <a href="mailto:bs@nuxeo.com">Bogdan Stefanescu</a>
048 */
049@WebAdapter(name = "versions", type = "VersionService", targetType = "Document", targetFacets = { "Versionable" })
050public class VersionService extends DefaultAdapter {
051
052    @GET
053    public Object doGet() {
054        return getTarget().getView("versions");
055    }
056
057    @Path("last")
058    public DocumentObject getLastVersion() {
059        try {
060            DocumentObject dobj = (DocumentObject) getTarget();
061            DocumentModel doc = dobj.getDocument();
062            DocumentModel v = dobj.getCoreSession().getLastDocumentVersion(doc.getRef());
063            if (v != null) {
064                return dobj.newDocument(v);
065            }
066        } catch (NuxeoException e) {
067            throw WebException.wrap(e);
068        }
069        throw new WebResourceNotFoundException("No version found for "
070                + ((DocumentObject) getTarget()).getDocument().getPath());
071    }
072
073    @Path("{label}")
074    public DocumentObject getVersion(@PathParam("label") String label) {
075        try {
076            DocumentObject dobj = (DocumentObject) getTarget();
077            DocumentModel doc = dobj.getDocument();
078            List<VersionModel> versions = dobj.getCoreSession().getVersionsForDocument(doc.getRef());
079            for (VersionModel v : versions) {
080                if (label.equals(v.getLabel())) {
081                    return dobj.newDocument(dobj.getCoreSession().getDocumentWithVersion(doc.getRef(), v));
082                }
083            }
084        } catch (NuxeoException e) {
085            throw WebException.wrap(e);
086        }
087        throw new WebResourceNotFoundException("No such version " + label + " for document" + getTarget().getPath());
088    }
089
090    @POST
091    public Object doPost() {
092        return null;
093    }
094
095}