--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Samples/FHIR/src/main/java/FhirConfiguration.java	Sat Oct 21 09:53:25 2023 +0200
@@ -0,0 +1,82 @@
+/**
+ * SPDX-FileCopyrightText: 2023 Sebastien Jodogne, UCLouvain, Belgium
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+/**
+ * Java plugin for Orthanc
+ * Copyright (C) 2023 Sebastien Jodogne, UCLouvain, Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+import be.uclouvain.orthanc.Functions;
+
+import org.json.JSONObject;
+
+import java.net.MalformedURLException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.URL;
+
+public class FhirConfiguration {
+    static private final String KEY_FHIR = "FHIR";
+    static private final String KEY_DICOM_WEB = "DicomWeb";
+    static private final String KEY_ROOT = "Root";
+    static private final String KEY_BASE_URL = "BaseUrl";
+
+    private String serverBaseUrl = "http://localhost:8042/fhir";
+    private String dicomWebRelativeUri = "../dicom-web";
+
+    FhirConfiguration() {
+        JSONObject configuration = new JSONObject(Functions.getConfiguration());
+
+        if (configuration.has(KEY_FHIR)) {
+            JSONObject fhir = configuration.getJSONObject(KEY_FHIR);
+            if (fhir.has(KEY_BASE_URL)) {
+                serverBaseUrl = fhir.getString(KEY_BASE_URL);
+            }
+        }
+
+        if (configuration.has(KEY_DICOM_WEB)) {
+            JSONObject dicomWeb = configuration.getJSONObject(KEY_DICOM_WEB);
+            if (dicomWeb.has(KEY_ROOT)) {
+                dicomWebRelativeUri = "../" + dicomWeb.getString(KEY_ROOT);
+            }
+        }
+
+        if (!serverBaseUrl.endsWith("/")) {
+            serverBaseUrl = serverBaseUrl + "/";
+        }
+    }
+
+    public String getServerBaseUrl() {
+        return serverBaseUrl;
+    }
+
+    public String getDicomWebBaseUrl() {
+        /**
+         * From URL: <scheme>://<authority><path>?<query>#<fragment>
+         */
+
+        try {
+            URL url = new URL(serverBaseUrl);
+            URI uri = new URI(url.getPath());
+            return url.getProtocol() + "://" + url.getAuthority() + uri.resolve(dicomWebRelativeUri);
+        } catch (MalformedURLException | URISyntaxException e) {
+            throw new IllegalArgumentException("Bad URL for DICOMweb: " + serverBaseUrl + dicomWebRelativeUri);
+        }
+    }
+}