RED-7962 Changed response type to "text/plain; charset=utf-8"

- Fixup of previous commit
- Use "text/plain; charset=utf-8" instead of "application/octet-stream" as response type for rule files
  as they are actually text files.

persistence-service-v1/persistence-service-external-api-impl-v2/src/main/java/com/iqser/red/persistence/service/v2/external/api/impl/controller/DossierTemplateControllerV2.java

@@ -198,14 +198,14 @@ public class DossierTemplateControllerV2 implements DossierTemplateResource {
     }
 
 
-    private ResponseEntity<InputStreamResource> downloadRules(String dossierTemplateId, RuleFileType ruleFileType) {
+    private ResponseEntity<?> downloadRules(String dossierTemplateId, RuleFileType ruleFileType) {
 
         var ruleEntity = rulesPersistenceService.getRules(dossierTemplateId, ruleFileType);
 
         var data = ruleEntity.getValue().getBytes(StandardCharsets.UTF_8);
 
         HttpHeaders httpHeaders = new HttpHeaders();
-        httpHeaders.setContentType(MediaType.APPLICATION_OCTET_STREAM);
+        httpHeaders.setContentType(MediaType.TEXT_PLAIN);
 
         httpHeaders.add("Content-Disposition", "attachment" + "; filename*=utf-8''" + StringEncodingUtils.urlEncode(ruleFileType.name().toLowerCase() + RULES_DOWNLOAD_FILE_NAME_SUFFIX));
 

persistence-service-v1/persistence-service-external-api-v2/src/main/java/com/iqser/red/service/persistence/service/v2/api/external/resource/DossierTemplateResource.java

@@ -7,6 +7,7 @@ import com.iqser.red.service.persistence.service.v2.api.external.model.RulesVali
 
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.media.Content;
 import io.swagger.v3.oas.annotations.media.Schema;
 import io.swagger.v3.oas.annotations.responses.ApiResponse;
 import io.swagger.v3.oas.annotations.responses.ApiResponses;
@@ -76,10 +77,10 @@ public interface DossierTemplateResource {
     @ResponseStatus(value = HttpStatus.OK)
     @Operation(summary = "Returns file containing the currently used entity rules.")
     @ApiResponses(value = {
-            @ApiResponse(responseCode = "200", description = "OK"),
+            @ApiResponse(responseCode = "200", description = "OK", content = @Content(mediaType = MediaType.TEXT_PLAIN_VALUE + "; charset=utf-8")),
-            @ApiResponse(responseCode = "404", description = "The DossierTemplate is not found.")
+            @ApiResponse(responseCode = "404", description = "The DossierTemplate is not found.", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE))
     })
-    @GetMapping(value = PATH + DOSSIER_TEMPLATE_ID_PATH_VARIABLE + ENTITY_RULES_PATH, produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
+    @GetMapping(value = PATH + DOSSIER_TEMPLATE_ID_PATH_VARIABLE + ENTITY_RULES_PATH)
     ResponseEntity<?> downloadEntityRules(@PathVariable(DOSSIER_TEMPLATE_ID_PARAM) String dossierTemplateId);
 
 
@@ -100,10 +101,10 @@ public interface DossierTemplateResource {
     @ResponseStatus(value = HttpStatus.OK)
     @Operation(summary = "Returns file containing the currently used component rules.")
     @ApiResponses(value = {
-            @ApiResponse(responseCode = "200", description = "OK"),
+            @ApiResponse(responseCode = "200", description = "OK", content = @Content(mediaType = MediaType.TEXT_PLAIN_VALUE + "; charset=utf-8")),
-            @ApiResponse(responseCode = "404", description = "The DossierTemplate is not found.")
+            @ApiResponse(responseCode = "404", description = "The DossierTemplate is not found.", content = @Content(mediaType = MediaType.APPLICATION_JSON_VALUE))
     })
-    @GetMapping(value = PATH + DOSSIER_TEMPLATE_ID_PATH_VARIABLE + COMPONENT_RULES_PATH, produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
+    @GetMapping(value = PATH + DOSSIER_TEMPLATE_ID_PATH_VARIABLE + COMPONENT_RULES_PATH)
     ResponseEntity<?> downloadComponentRules(@PathVariable(DOSSIER_TEMPLATE_ID_PARAM) String dossierTemplateId);
 
     @Operation(summary = "Get the file attribute definitions of a DossierTemplate.", description = "None")

persistence-service-v1/persistence-service-external-api-v2/src/main/resources/api/openapi.yaml

@@ -129,10 +129,9 @@ paths:
                 type: string
                 example: attachment; filename*=utf-8''entity-rules.drl
           content:
-            application/octet-stream:
+            text/plain; charset=utf-8:
               schema:
                 type: string
-                format: binary
           description: |
             Successfully downloaded the requested rules file.
         "400":
@@ -211,10 +210,9 @@ paths:
                 type: string
                 example: attachment; filename*=utf-8''component-rules.drl
           content:
-            application/octet-stream:
+            text/plain; charset=utf-8:
               schema:
                 type: string
-                format: binary
           description: |
             Successfully downloaded the requested rules file.
         "400":