fix response serialization of /description in HTTP endpoint

endpoint/http/src/main/java/de/fraunhofer/iosb/ilt/faaast/service/endpoint/http/serialization/HttpJsonApiSerializer.java

@@ -16,8 +16,10 @@
 
 import com.fasterxml.jackson.databind.SerializationFeature;
 import com.fasterxml.jackson.databind.json.JsonMapper;
+import com.fasterxml.jackson.databind.module.SimpleModule;
 import com.fasterxml.jackson.databind.util.StdDateFormat;
 import de.fraunhofer.iosb.ilt.faaast.service.dataformat.json.JsonApiSerializer;
+import de.fraunhofer.iosb.ilt.faaast.service.model.ServiceDescription;
 
 
 /**
@@ -30,5 +32,8 @@ protected void modifyMapper(JsonMapper mapper) {
         super.modifyMapper(mapper);
         mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
         mapper.setDateFormat(new StdDateFormat().withColonInTimeZone(true));
+        SimpleModule module = new SimpleModule();
+        module.addSerializer(ServiceDescription.class, new ServiceDescriptionSerializer());
+        mapper.registerModule(module);
     }
 }

endpoint/http/src/main/java/de/fraunhofer/iosb/ilt/faaast/service/endpoint/http/serialization/ServiceDescriptionSerializer.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2021 Fraunhofer IOSB, eine rechtlich nicht selbstaendige
+ * Einrichtung der Fraunhofer-Gesellschaft zur Foerderung der angewandten
+ * Forschung e.V.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package de.fraunhofer.iosb.ilt.faaast.service.endpoint.http.serialization;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import com.fasterxml.jackson.databind.ser.std.StdSerializer;
+import de.fraunhofer.iosb.ilt.faaast.service.model.ServiceDescription;
+import de.fraunhofer.iosb.ilt.faaast.service.util.LambdaExceptionHelper;
+import java.io.IOException;
+import java.util.Objects;
+
+
+/**
+ * Serializer for {@link de.fraunhofer.iosb.ilt.faaast.service.model.ServiceDescription}.
+ */
+public class ServiceDescriptionSerializer extends StdSerializer<ServiceDescription> {
+
+    private static final String FIELD_PROFILES = "profiles";
+
+    public ServiceDescriptionSerializer() {
+        this(null);
+    }
+
+
+    public ServiceDescriptionSerializer(Class<ServiceDescription> t) {
+        super(t);
+    }
+
+
+    @Override
+    public void serialize(ServiceDescription value, JsonGenerator generator, SerializerProvider provider) throws IOException {
+        generator.writeStartObject();
+        generator.writeFieldName(FIELD_PROFILES);
+        generator.writeStartArray();
+        if (Objects.nonNull(value) && Objects.nonNull(value.getProfiles())) {
+            value.getProfiles().forEach(LambdaExceptionHelper.rethrowConsumer(x -> generator.writeString(x.getId())));
+        }
+        generator.writeEndArray();
+        generator.writeEndObject();
+    }
+}