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.io.IOException;
21 import java.lang.reflect.Type;
22 import java.util.List;
23
24 import org.springframework.stereotype.Service;
25
26 import de.kaiserpfalzedv.services.dnb.marcxml.MarcConverter;
27 import de.kaiserpfalzedv.services.dnb.model.Book;
28 import feign.FeignException;
29 import feign.Response;
30 import feign.codec.DecodeException;
31 import feign.codec.Decoder;
32 import jakarta.inject.Inject;
33 import lombok.RequiredArgsConstructor;
34
35 /**
36 * <p>DnbConvertMarc21StreamFilter -- Converts the MARC21-xml into a {@link List}<{@link Book}> json list.</p>
37 *
38 * @author klenkes74 {@literal <rlichti@kaiserpfalz-edv.de>}
39 * @since 1.0.0 2023-01-22
40 */
41 @Service
42 @RequiredArgsConstructor(onConstructor = @__(@Inject))
43 public class Marc21Decoder implements Decoder {
44
45 private final MarcConverter converter;
46
47 @Override
48 public Object decode(final Response response, final Type type) throws IOException, DecodeException, FeignException {
49 return this.converter.convert(response.body().asInputStream());
50 }
51 }