add hazard swagger class

src/hazard/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/SwaggerHazardCurves.java

+package gov.usgs.earthquake.nshmp.netcdf.www;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import gov.usgs.earthquake.nshmp.netcdf.Nshm;
+import gov.usgs.earthquake.nshmp.www.SwaggerUtils;
+
+import io.micronaut.http.HttpRequest;
+import io.swagger.v3.oas.models.OpenAPI;
+import io.swagger.v3.oas.models.media.Schema;
+import io.swagger.v3.parser.util.SchemaTypeUtil;
+
+/**
+ * Swagger page updates for hazard services.
+ *
+ * @author U.S. Geological Survey
+ */
+public class SwaggerHazardCurves extends Swagger<NetcdfServiceHazardCurves> {
+
+  SwaggerHazardCurves(HttpRequest<?> request, NetcdfServiceHazardCurves service) {
+    super(request, service);
+  }
+
+  @Override
+  String descriptionHeader() {
+    return "NSHM Data Sets";
+  }
+
+  @Override
+  String serviceInfo() {
+    return String.join("",
+        "Get hazard curves for user-specified NSHM, latitudes, ",
+        "longitudes, and/or site classes of the National Seismic Hazard Models data releases.");
+  }
+
+  @Override
+  String servicePatternSection() {
+    var url = NetcdfWsUtils.getRequestUrl(request);
+    url = url.endsWith("/swagger") ? url.replace("/swagger", "") : url;
+
+    return new StringBuilder()
+        .append(
+            "<details>\n" +
+                "<summary>Service Call Patterns</summary>\n")
+        .append(
+            "### Query Pattern\n" +
+
+                "The query based service call is in the form of:\n" +
+
+                "```text\n" +
+                url + "/hazard?nshm={nshm}&longitude={number}&latitude={number}\n" +
+                url + "/hazard" +
+                "?nshm={nshm}&longitude={number}&latitude={number}&siteClass={string}\n" +
+                url + "/hazard" +
+                "?nshm={nshm}&longitude={number}&latitude={number}&siteClass={string}&imt={string}\n" +
+                "````\n" +
+
+                "Example:\n" +
+                "```text\n" +
+                url + "/hazard?nshm=CONUS_2018&longitude=-118&latitude=34\n" +
+                url + "/hazard?nshm=CONUS_2018&longitude=-118&latitude=34&siteClass=BC\n" +
+                url + "/hazard?nshm=CONUS_2018&longitude=-118&latitude=34&siteClass=BC&imt=PGA\n" +
+                "```\n")
+        .append(
+            "### Slash Pattern\n" +
+
+                "The slash based service call is in the form of:\n" +
+
+                "```text\n" +
+                url + "/hazard/{nshm}/{longitude}/{latitude}\n" +
+                url + "/hazard/{nshm}/{longitude}/{latitude}/{siteClass}\n" +
+                url + "/hazard/{nshm}/{longitude}/{latitude}/{siteClass}/{imt}\n" +
+                "```\n" +
+
+                "Example:\n" +
+
+                "```text\n" +
+                url + "/hazard/CONUS_2018/-118/34\n" +
+                url + "/hazard/CONUS_2018/-118/34/BC\n" +
+                url + "/hazard/CONUS_2018/-118/34/BC/PGA\n" +
+                "```\n")
+        .append("</details>")
+        .toString();
+  }
+
+  @Override
+  OpenAPI updateOpenApi() throws IOException {
+    OpenAPI openApi = super.updateOpenApi();
+
+    SwaggerUtils.imtSchema(
+        openApi.getComponents().getSchemas(),
+        List.copyOf(service.netcdfDataFiles().imts()));
+
+    nshmSchema(openApi.getComponents().getSchemas(), service.netcdfDataFiles().nshms());
+
+    return openApi;
+  }
+
+  private void nshmSchema(Map<String, Schema> schemas, Set<Nshm> nshms) {
+    Schema<Nshm> schema = new Schema<>();
+    schema.setType(SchemaTypeUtil.STRING_TYPE);
+    nshms.stream()
+        .sorted()
+        .forEach(nshm -> schema.addEnumItemObject(nshm));
+
+    schemas.put(Nshm.class.getSimpleName(), schema);
+  }
+}