Added response, refactored service, advice, controller

server-info-spring-web/src/main/kotlin/ru/touchin/server/info/advices/ServerInfoAdvice.kt

@@ -30,11 +30,13 @@ class ServerInfoAdvice(
         response: ServerHttpResponse
     ): Any? {
         for (service in serverInfoHeaders) {
-            response
-                .headers
-                .addAll(
-                    service.getHeaders()
-                )
+            val serverInfo = service.getHeaders()
+
+            serverInfo.map {
+                response
+                    .headers
+                    .add(it.first, it.second)
+            }
         }
 
         return body

server-info-spring-web/src/main/kotlin/ru/touchin/server/info/controllers/ServerInfoController.kt

@@ -1,10 +1,9 @@
 package ru.touchin.server.info.controllers
 
-import org.springframework.util.LinkedMultiValueMap
-import org.springframework.util.MultiValueMap
 import org.springframework.web.bind.annotation.GetMapping
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RestController
+import ru.touchin.server.info.response.ServerInfoResponse
 import ru.touchin.server.info.services.ServerInfoHeader
 
 @RestController
@@ -14,14 +13,22 @@ class ServerInfoController(
 ) {
 
     @GetMapping
-    fun getServerInfo(): MultiValueMap<String, String> {
-        val serverInfoList = LinkedMultiValueMap<String, String>()
+    fun getServerInfo(): ServerInfoResponse {
+        val serverInfoList = mutableListOf<Map<String, String>>()
 
         for (service in serverInfoHeaders) {
-            serverInfoList.addAll(service.getHeaders())
+            val headers = service.getHeaders()
+
+            headers.map {
+                serverInfoList.add(
+                    mapOf(it)
+                )
+            }
         }
 
-        return serverInfoList
+        return ServerInfoResponse(
+            serverInfo = serverInfoList
+        )
     }
 
 }

server-info-spring-web/src/main/kotlin/ru/touchin/server/info/response/ServerInfoResponse.kt

@@ -0,0 +1,7 @@
+package ru.touchin.server.info.response
+
+import org.springframework.util.MultiValueMap
+
+data class ServerInfoResponse(
+    val serverInfo: List<Map<String, String>>
+)

server-info-spring-web/src/main/kotlin/ru/touchin/server/info/services/ServerInfoHeader.kt

@@ -4,6 +4,6 @@ import org.springframework.util.MultiValueMap
 
 interface ServerInfoHeader {
 
-    fun getHeaders(): MultiValueMap<String, String>
+    fun getHeaders(): List<Pair<String, String>>
 
 }

server-info-spring-web/src/main/kotlin/ru/touchin/server/info/services/version/BuildVersionHeader.kt

@@ -11,11 +11,10 @@ class BuildVersionHeader(
     private val serverInfoProperties: ServerInfoProperties
 ) : ServerInfoHeader {
 
-    override fun getHeaders(): MultiValueMap<String, String> {
-        return LinkedMultiValueMap<String, String>()
-            .apply {
-                this.add("X-App-Build-Version", serverInfoProperties.buildVersion)
-            }
+    override fun getHeaders(): List<Pair<String, String>> {
+        return listOf(
+            "X-App-Build-Version" to serverInfoProperties.buildVersion
+        )
     }
 
 }