1 /*
2 * Copyright (c) 2023. Roland T. Lichti, Kaiserpfalz EDV-Service.
3 *
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18 package de.kaiserpfalzedv.services.dnb.client;
19
20 import java.util.List;
21
22 import org.springframework.cloud.openfeign.FeignClient;
23 import org.springframework.web.bind.annotation.GetMapping;
24 import org.springframework.web.bind.annotation.RequestParam;
25
26 import de.kaiserpfalzedv.services.dnb.model.Book;
27
28 /**
29 * <p>DnbLookupClient -- The client for accessing the webservice.</p>
30 *
31 * @author rlichti {@literal <rlichti@kaiserpfalz-edv.de>}
32 * @since 3.0.0 2023-01-17
33 */
34 @FeignClient(name = "dnb-lookup", configuration = DnbLookupClientConfig.class)
35 public interface DnbLookupClient {
36 /**
37 * This is the generic query to the DNB index.
38 *
39 * <p>Will result in something like:</p>
40 * {@literal <pre>https://services.dnb.de/sru/dnb?version=1.1&operation=searchRetrieve&query=WOE%3D9783958672567&recordSchema=MARC21-xml</pre>}
41 *
42 * @param query The query to be sent. It has to contain the index followed by a '='. The nicest index is 'WOE'.
43 * @return A set of Books.
44 */
45 @GetMapping(value = "/sru/dnb", produces = "text/xml", consumes = "text/xml")
46 List<Book> lookup(@RequestParam("query") String query);
47 }