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.oaipmh;
21
22 import eu.ehri.project.oaipmh.errors.OaiPmhArgumentError;
23 import eu.ehri.project.oaipmh.errors.OaiPmhError;
24
25 /**
26 * Supported metadata types.
27 */
28 enum MetadataPrefix {
29 oai_dc("http://www.openarchives.org/OAI/2.0/oai_dc.xsd", "http://www.openarchives.org/OAI/2.0/oai_dc/"),
30 ead("http://www.loc.gov/ead/ead.xsd", "urn:isbn:1-931666-22-9");
31
32 private final String schema;
33 private final String namespace;
34
35 MetadataPrefix(String schema, String namespace) {
36 this.schema = schema;
37 this.namespace = namespace;
38 }
39
40 public String schema() {
41 return schema;
42 }
43
44 public String namespace() {
45 return namespace;
46 }
47
48 static MetadataPrefix parse(String prefix, MetadataPrefix fallback) throws OaiPmhError {
49 try {
50 return (prefix != null) ? MetadataPrefix.valueOf(prefix) : fallback;
51 } catch (IllegalArgumentException e) {
52 throw new OaiPmhArgumentError("Unsupported metadata format: " + prefix);
53 }
54 }
55 }