001/* 002 * (C) Copyright 2015-2019 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 * Thomas Roger 018 */ 019 020package org.nuxeo.ecm.platform.picture.listener; 021 022import static org.nuxeo.ecm.platform.picture.api.ImagingDocumentConstants.PICTURE_FACET; 023import static org.nuxeo.ecm.platform.picture.recompute.RecomputeViewsAction.ACTION_NAME; 024import static org.nuxeo.ecm.platform.picture.recompute.RecomputeViewsAction.PARAM_XPATH; 025 026import org.nuxeo.ecm.core.api.DocumentModel; 027import org.nuxeo.ecm.core.bulk.BulkService; 028import org.nuxeo.ecm.core.bulk.message.BulkCommand; 029import org.nuxeo.ecm.core.event.Event; 030import org.nuxeo.ecm.core.event.EventBundle; 031import org.nuxeo.ecm.core.event.EventContext; 032import org.nuxeo.ecm.core.event.PostCommitEventListener; 033import org.nuxeo.ecm.core.event.impl.DocumentEventContext; 034import org.nuxeo.runtime.api.Framework; 035 036/** 037 * Listener updating pre-filling the views of a Picture if the main Blob has changed. 038 * 039 * @author <a href="mailto:troger@nuxeo.com">Thomas Roger</a> 040 * @since 5.5 041 */ 042public class PictureViewsGenerationListener implements PostCommitEventListener { 043 044 public static final String DISABLE_PICTURE_VIEWS_GENERATION_LISTENER = "disablePictureViewsGenerationListener"; 045 046 @Override 047 public void handleEvent(EventBundle events) { 048 events.forEach(this::handleEvent); 049 } 050 051 protected void handleEvent(Event event) { 052 EventContext ctx = event.getContext(); 053 if (!(ctx instanceof DocumentEventContext)) { 054 return; 055 } 056 057 Boolean block = (Boolean) event.getContext().getProperty(DISABLE_PICTURE_VIEWS_GENERATION_LISTENER); 058 if (Boolean.TRUE.equals(block)) { 059 // ignore the event - we are blocked by the caller 060 return; 061 } 062 063 DocumentEventContext docCtx = (DocumentEventContext) ctx; 064 DocumentModel doc = docCtx.getSourceDocument(); 065 if (doc.hasFacet(PICTURE_FACET) && !doc.isProxy()) { 066 String query = "SELECT * FROM Document WHERE ecm:uuid='" + doc.getId() + "'"; 067 BulkService service = Framework.getService(BulkService.class); 068 String username = ctx.getPrincipal().getName(); 069 service.submit( 070 new BulkCommand.Builder(ACTION_NAME, query, username).param(PARAM_XPATH, "file:content").build()); 071 } 072 } 073 074}