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 org.nuxeo.ecm.core.api.CoreSession;
023import org.nuxeo.ecm.core.api.DocumentModel;
024import org.nuxeo.ecm.core.api.IdRef;
025import org.nuxeo.ecm.core.api.UnrestrictedSessionRunner;
026
027/**
028 * Simple helper to fetch the target Audited document
029 *
030 * @author <a href="mailto:[email protected]">Tiry</a>
031 */
032public class SourceDocumentResolver extends UnrestrictedSessionRunner {
033
034    public DocumentModel sourceDocument;
035
036    protected final DocumentModel document;
037
038    SourceDocumentResolver(CoreSession session, DocumentModel doc) {
039        super(session);
040        this.document = doc;
041    }
042
043    @Override
044    public void run() {
045        DocumentModel version = null;
046        if (document.isProxy()) {
047            version = session.getSourceDocument(document.getRef());
048        } else {
049            version = document;
050        }
051        if (version != null) {
052            if (version.getSourceId() != null && session.exists(new IdRef(version.getSourceId()))) {
053                sourceDocument = session.getSourceDocument(version.getRef());
054            }
055        }
056    }
057
058}