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comparison Samples/FHIR/src/main/java/FhirRequestHandler.java @ 11:8d876a4f541b

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added sample FHIR server
author Sebastien Jodogne <s.jodogne@gmail.com>
date Sat, 21 Oct 2023 09:53:25 +0200
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children 0dc05fe76bd5
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10:6b9433432ee0 11:8d876a4f541b
1 /**
2 * SPDX-FileCopyrightText: 2023 Sebastien Jodogne, UCLouvain, Belgium
3 * SPDX-License-Identifier: GPL-3.0-or-later
4 */
5
6 /**
7 * Java plugin for Orthanc
8 * Copyright (C) 2023 Sebastien Jodogne, UCLouvain, Belgium
9 *
10 * This program is free software: you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation, either version 3 of the
13 * License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 **/
23
24
25 import ca.uhn.fhir.rest.server.RestfulServer;
26 import be.uclouvain.orthanc.Callbacks;
27 import be.uclouvain.orthanc.RestOutput;
28 import be.uclouvain.orthanc.HttpMethod;
29 import org.springframework.mock.web.MockHttpServletRequest;
30 import org.springframework.mock.web.MockHttpServletResponse;
31
32 import javax.servlet.ServletException;
33 import java.io.IOException;
34 import java.util.Map;
35
36 public class FhirRequestHandler implements Callbacks.OnRestRequest {
37 private static RestfulServer server;
38
39 FhirRequestHandler(RestfulServer server) {
40 this.server = server;
41 }
42
43 @Override
44 public void call(RestOutput output,
45 HttpMethod method,
46 String uri,
47 String[] regularExpressionGroups,
48 Map<String, String> headers,
49 Map<String, String> getParameters, byte[] body) {
50 MockHttpServletRequest request = new MockHttpServletRequest();
51
52 if (regularExpressionGroups.length == 0) {
53 request.setRequestURI("/");
54 } else {
55 request.setRequestURI(regularExpressionGroups[0]);
56 }
57 request.setContent(body);
58
59 switch (method) {
60 case GET:
61 request.setMethod("GET");
62 break;
63 case POST:
64 request.setMethod("POST");
65 break;
66 case PUT:
67 request.setMethod("PUT");
68 break;
69 case DELETE:
70 request.setMethod("DELETE");
71 break;
72 default:
73 throw new IllegalArgumentException("Unknown HTTP method");
74 }
75
76 for (Map.Entry<String, String> entry : headers.entrySet()) {
77 request.addHeader(entry.getKey(), entry.getValue());
78 }
79
80 for (Map.Entry<String, String> entry : getParameters.entrySet()) {
81 request.setParameter(entry.getKey(), entry.getValue());
82 }
83
84 try {
85 MockHttpServletResponse response = new MockHttpServletResponse();
86 server.service(request, response);
87
88 for (String header : response.getHeaderNames()) {
89 if (header != "Content-Type") {
90 output.setHttpHeader(header, response.getHeader(header));
91 }
92 }
93
94 output.answerBuffer(response.getContentAsByteArray(), response.getContentType());
95 } catch (IOException e) {
96 output.sendHttpStatusCode((short) 500);
97 } catch (ServletException e) {
98 output.sendHttpStatusCode((short) 500);
99 }
100 }
101 }