1 /*
2 * Copyright 2015 Data Archiving and Networked Services (an institute of
3 * Koninklijke Nederlandse Akademie van Wetenschappen), King's College London,
4 * Georg-August-Universitaet Goettingen Stiftung Oeffentlichen Rechts
5 *
6 * Licensed under the EUPL, Version 1.1 or – as soon they will be approved by
7 * the European Commission - subsequent versions of the EUPL (the "Licence");
8 * You may not use this work except in compliance with the Licence.
9 * You may obtain a copy of the Licence at:
10 *
11 * https://joinup.ec.europa.eu/software/page/eupl
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the Licence is distributed on an "AS IS" basis,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the Licence for the specific language governing
17 * permissions and limitations under the Licence.
18 */
19
20 package eu.ehri.project.commands;
21
22 import com.tinkerpop.blueprints.Vertex;
23 import com.tinkerpop.frames.FramedGraph;
24 import eu.ehri.project.core.GraphManager;
25 import eu.ehri.project.core.GraphManagerFactory;
26 import eu.ehri.project.persistence.Serializer;
27 import org.apache.commons.cli.CommandLine;
28
29 /**
30 * Fetch an item's serialized representation via the command line.
31 */
32 public class GetEntity extends BaseCommand {
33
34 final static String NAME = "get";
35
36 @Override
37 public String getUsage() {
38 return String.format("%s [OPTIONS] <identifier>", NAME);
39 }
40
41 @Override
42 public String getHelp() {
43 return "Get an entity by its identifier.";
44 }
45
46 @Override
47 public int execWithOptions(FramedGraph<?> graph, CommandLine cmdLine) throws Exception {
48 GraphManager manager = GraphManagerFactory.getInstance(graph);
49 Serializer serializer = new Serializer(graph);
50
51 if (cmdLine.getArgList().size() < 1)
52 throw new RuntimeException(getUsage());
53
54 Vertex vertex = manager.getVertex(cmdLine.getArgs()[0]);
55 System.out.println(serializer.vertexToJson(vertex));
56 return 0;
57 }
58 }