001/*
002 * (C) Copyright 2006-2009 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 *     Nuxeo - initial API and implementation
018 *
019 * $Id$
020 */
021
022package org.nuxeo.ecm.platform.ui.web.restAPI;
023
024import org.apache.commons.logging.Log;
025import org.apache.commons.logging.LogFactory;
026import org.dom4j.Element;
027import org.dom4j.dom.DOMDocument;
028import org.dom4j.dom.DOMDocumentFactory;
029import org.nuxeo.ecm.core.api.NuxeoException;
030import org.nuxeo.ecm.core.api.PathRef;
031import org.nuxeo.ecm.platform.ui.web.tag.fn.LiveEditConstants;
032import org.restlet.Request;
033import org.restlet.Response;
034import org.restlet.data.CharacterSet;
035import org.restlet.data.MediaType;
036
037/**
038 * This RESTLET allows to delete documents
039 *
040 * @author jthimonier
041 */
042public class DeleteDocumentRestlet extends BaseStatelessNuxeoRestlet implements LiveEditConstants {
043
044    private static final Log log = LogFactory.getLog(DeleteDocumentRestlet.class);
045
046    @Override
047    protected void doHandleStatelessRequest(Request req, Response res) {
048        logDeprecation();
049
050        String repoId = (String) req.getAttributes().get("repo");
051        String docId = (String) req.getAttributes().get("docid");
052
053        DOMDocumentFactory domFactory = new DOMDocumentFactory();
054        DOMDocument result = (DOMDocument) domFactory.createDocument();
055
056        if (docId != null) {
057            // init repo and document
058            boolean initOk = initRepositoryAndTargetDocument(res, repoId, docId);
059            if (!initOk) {
060                return;
061            }
062        } else {
063            // init repo
064            boolean initOk = initRepository(res, repoId);
065            if (!initOk) {
066                return;
067            }
068
069            // init document
070            String path = getQueryParamValue(req, "path", null);
071            if (path == null) {
072                return;
073            }
074            targetDocRef = new PathRef(path);
075            try {
076                targetDocument = session.getDocument(targetDocRef);
077            } catch (NuxeoException e) {
078                handleError(result, res, "Unable to get document " + path);
079                return;
080            }
081            docId = targetDocument.getId();
082        }
083
084        try {
085            if (!session.canRemoveDocument(targetDocRef)) {
086                handleError(res, "This document can't be removed");
087                return;
088            }
089
090            session.removeDocument(targetDocRef);
091            session.save();
092
093            // build the XML response document holding the ref
094            Element docElement = result.addElement(documentTag);
095            docElement.addElement(docRefTag).setText("Document " + docId + " deleted");
096            res.setEntity(result.asXML(), MediaType.APPLICATION_XML);
097            res.getEntity().setCharacterSet(CharacterSet.UTF_8);
098        } catch (NuxeoException e) {
099            log.error(e.getMessage(), e);
100            handleError(res, e);
101        }
102    }
103
104}