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 *     Nuxeo - initial API and implementation
018 *
019 */
020package org.nuxeo.ecm.platform.audit.api.document;
021
022import java.io.Serializable;
023import java.util.HashMap;
024import java.util.List;
025
026import org.nuxeo.ecm.core.api.DocumentModel;
027import org.nuxeo.ecm.platform.audit.api.DocumentHistoryReader;
028import org.nuxeo.ecm.platform.audit.api.LogEntry;
029import org.nuxeo.ecm.platform.query.api.PageProvider;
030import org.nuxeo.ecm.platform.query.api.PageProviderService;
031import org.nuxeo.runtime.api.Framework;
032
033/**
034 * Implementation of the {@link DocumentHistoryReader} interface. This is mainly a wrapper around the
035 * {@link DocumentHistoryPageProvider}
036 *
037 * @author <a href="mailto:[email protected]">Tiry</a>
038 */
039public class DocumentHistoryReaderImpl implements DocumentHistoryReader {
040
041    @Override
042    public List<LogEntry> getDocumentHistory(DocumentModel doc, long pageIndex, long pageSize) {
043
044        PageProvider<LogEntry> pp = getPageProvider(doc, pageIndex, pageSize);
045        return pp.getCurrentPage();
046    }
047
048    @Override
049    @SuppressWarnings("unchecked")
050    public PageProvider<LogEntry> getPageProvider(DocumentModel doc, long pageIndex, long pageSize) {
051
052        PageProviderService pps = Framework.getService(PageProviderService.class);
053        PageProvider<LogEntry> pp = (PageProvider<LogEntry>) pps.getPageProvider("DOCUMENT_HISTORY_PROVIDER", null,
054                Long.valueOf(pageSize), Long.valueOf(pageIndex), new HashMap<String, Serializable>(), doc);
055        return pp;
056    }
057
058}