001/*
002 * (C) Copyright 2011 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 *     Olivier Grisel
018 *
019 * $Id$
020 */
021package org.nuxeo.ecm.platform.annotations.repository.listener;
022
023import org.nuxeo.ecm.core.api.CoreSession;
024import org.nuxeo.ecm.core.api.DocumentModel;
025import org.nuxeo.ecm.core.api.DocumentRef;
026import org.nuxeo.ecm.core.api.event.DocumentEventTypes;
027import org.nuxeo.ecm.core.event.Event;
028import org.nuxeo.ecm.core.event.EventListener;
029import org.nuxeo.ecm.core.event.impl.DocumentEventContext;
030import org.nuxeo.ecm.core.schema.FacetNames;
031import org.nuxeo.ecm.platform.annotations.repository.service.AnnotatedDocumentEventListener;
032import org.nuxeo.ecm.platform.annotations.repository.service.AnnotationsFulltextInjector;
033
034/**
035 * Extract the text of the body of the annotation to register it as a related text resource on the document for
036 * full-text indexing by the repository.
037 */
038public class AnnotationFulltextEventListener implements EventListener {
039
040    @Override
041    public void handleEvent(Event event) {
042        AnnotationsFulltextInjector injector = new AnnotationsFulltextInjector();
043        if (!(event.getContext() instanceof DocumentEventContext)) {
044            return;
045        }
046        DocumentEventContext context = (DocumentEventContext) event.getContext();
047        CoreSession session = context.getCoreSession();
048        DocumentModel doc = context.getSourceDocument();
049        if (doc == null) {
050            // no need to update a deleted document
051            return;
052        }
053        if (!doc.hasFacet(FacetNames.HAS_RELATED_TEXT)) {
054            // no full-text indexing of annotation for this document type
055            return;
056        }
057        String annotationId = (String) context.getProperty(AnnotatedDocumentEventListener.ANNOTATION_ID);
058        String annotationBody = (String) context.getProperty(AnnotatedDocumentEventListener.ANNOTATION_BODY);
059
060        if (AnnotatedDocumentEventListener.ANNOTATION_CREATED.equals(event.getName())) {
061            injector.setAnnotationText(doc, annotationId, annotationBody);
062            session.saveDocument(doc);
063        } else if (AnnotatedDocumentEventListener.ANNOTATION_DELETED.equals(event.getName())) {
064            if (injector.removeAnnotationText(doc, annotationId)) {
065                session.saveDocument(doc);
066            }
067        } else if (AnnotatedDocumentEventListener.ANNOTATION_UPDATED.equals(event.getName())) {
068            injector.removeAnnotationText(doc, annotationId);
069            injector.setAnnotationText(doc, annotationId, annotationBody);
070            session.saveDocument(doc);
071        } else if (DocumentEventTypes.DOCUMENT_CHECKEDIN.equals(event.getName())) {
072            // clean all annotation text before check-in: checked-in versions
073            // handle their own annotations independently of the live version
074            DocumentRef versionRef = (DocumentRef) context.getProperty("checkedInVersionRef");
075            DocumentModel version = session.getDocument(versionRef);
076            if (injector.removeAnnotationText(version, null)) {
077                session.saveDocument(version);
078            }
079        } else {
080            return;
081        }
082    }
083}