001/* 002 * (C) Copyright 2018 Nuxeo (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 * Guillaume Renard <grenard@nuxeo.com> 018 */ 019package org.nuxeo.ecm.core.io.marshallers.json.enrichers; 020 021import static org.nuxeo.ecm.core.io.registry.reflect.Instantiations.SINGLETON; 022import static org.nuxeo.ecm.core.io.registry.reflect.Priorities.REFERENCE; 023 024import java.io.IOException; 025 026import org.nuxeo.ecm.core.api.DocumentModel; 027import org.nuxeo.ecm.core.api.trash.TrashService; 028import org.nuxeo.ecm.core.io.registry.context.RenderingContext.SessionWrapper; 029import org.nuxeo.ecm.core.io.registry.reflect.Setup; 030import org.nuxeo.runtime.api.Framework; 031 032import com.fasterxml.jackson.core.JsonGenerator; 033 034/** 035 * Gets the closest document's ancestor. 036 * <p> 037 * This is used to find what safe document to redirect to when deleting some. 038 * 039 * @since 10.1 040 */ 041@Setup(mode = SINGLETON, priority = REFERENCE) 042public class FirstAccessibleAncestorJsonEnricher extends AbstractJsonEnricher<DocumentModel> { 043 044 public static final String NAME = "firstAccessibleAncestor"; 045 046 public FirstAccessibleAncestorJsonEnricher() { 047 super(NAME); 048 } 049 050 @Override 051 public void write(JsonGenerator jg, DocumentModel document) throws IOException { 052 TrashService trashService = Framework.getService(TrashService.class); 053 try (SessionWrapper wrapper = ctx.getSession(document)) { 054 DocumentModel above = trashService.getAboveDocument(document, wrapper.getSession().getPrincipal()); 055 if (above != null) { 056 writeEntityField(NAME, above, jg); 057 } 058 } 059 } 060 061}