001/*
002 * (C) Copyright 2006-2012 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 *     <a href="mailto:tdelprat@nuxeo.com">Tiry</a>
018 *     <a href="mailto:tmartins@nuxeo.com">Thierry Martins</a>
019 */
020
021package org.nuxeo.ecm.quota.size;
022
023import org.nuxeo.ecm.core.api.DocumentModel;
024import org.nuxeo.ecm.core.api.adapter.DocumentAdapterFactory;
025import org.nuxeo.ecm.quota.QuotaUtils;
026
027/**
028 * Simple factory for {@link QuotaAwareDocument} document model adapter
029 *
030 * @author <a href="mailto:tdelprat@nuxeo.com">Tiry</a>
031 * @since 5.6
032 */
033public class QuotaAwareDocumentFactory implements DocumentAdapterFactory {
034
035    public static QuotaAwareDocument make(DocumentModel doc, boolean save) {
036        if (!doc.hasFacet(QuotaAwareDocument.DOCUMENTS_SIZE_STATISTICS_FACET)) {
037            doc.addFacet(QuotaAwareDocument.DOCUMENTS_SIZE_STATISTICS_FACET);
038            if (save) {
039                DocumentModel origDoc = doc;
040                // set flags to disable listeners
041                QuotaUtils.disableListeners(doc);
042                doc = doc.getCoreSession().saveDocument(doc);
043                // remove flags as they could be kept in the document for a long time otherwise
044                QuotaUtils.clearContextData(doc);
045                // also remove flags from original doc, which the caller still references
046                QuotaUtils.clearContextData(origDoc);
047            }
048        }
049        return (QuotaAwareDocument) doc.getAdapter(QuotaAware.class);
050    }
051
052    @Override
053    public Object getAdapter(DocumentModel doc, Class<?> adapter) {
054        if (doc.hasFacet(QuotaAwareDocument.DOCUMENTS_SIZE_STATISTICS_FACET)) {
055            return adapter.cast(new QuotaAwareDocument(doc));
056        }
057        return null;
058    }
059}