X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=near-rt-ric-simulator%2Fnearric-simulator%2Fnearric-service%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fnearric%2Fsimulator%2Fservice%2FA1PApiServiceImpl.java;fp=near-rt-ric-simulator%2Fnearric-simulator%2Fnearric-service%2Fsrc%2Fmain%2Fjava%2Forg%2Fonap%2Fnearric%2Fsimulator%2Fservice%2FA1PApiServiceImpl.java;h=a79cfa42eb7428ca0b72b42a0213e3878e2698aa;hb=37d3785c538da8ac2bf46e78b494c45c73e8197b;hp=1521ed79ed24a91861a611fd08ae201147c2db81;hpb=1279d1964e3a02af70fcc3532928a82b869181be;p=nonrtric.git diff --git a/near-rt-ric-simulator/nearric-simulator/nearric-service/src/main/java/org/onap/nearric/simulator/service/A1PApiServiceImpl.java b/near-rt-ric-simulator/nearric-simulator/nearric-service/src/main/java/org/onap/nearric/simulator/service/A1PApiServiceImpl.java index 1521ed79..a79cfa42 100644 --- a/near-rt-ric-simulator/nearric-simulator/nearric-service/src/main/java/org/onap/nearric/simulator/service/A1PApiServiceImpl.java +++ b/near-rt-ric-simulator/nearric-simulator/nearric-service/src/main/java/org/onap/nearric/simulator/service/A1PApiServiceImpl.java @@ -20,13 +20,7 @@ package org.onap.nearric.simulator.service; -import java.io.File; -import java.io.FileInputStream; -import java.io.FileOutputStream; import java.io.IOException; -import java.io.ObjectInputStream; -import java.io.ObjectOutputStream; -import java.lang.reflect.InvocationTargetException; import java.util.HashMap; import java.util.Iterator; import java.util.List; @@ -34,15 +28,12 @@ import java.util.Set; import javax.servlet.http.HttpServletRequest; -import org.apache.commons.beanutils.BeanUtils; -import org.onap.nearric.simulator.model.PolicyType; import org.onap.nearric.simulator.model.PolicyInstance; -import org.oransc.ric.a1med.api.model.PolicyTypeSchema; +import org.onap.nearric.simulator.model.PolicyType; import org.oransc.ric.a1med.api.model.InlineResponse200; - +import org.oransc.ric.a1med.api.model.PolicyTypeSchema; import org.slf4j.Logger; import org.slf4j.LoggerFactory; -import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.stereotype.Service; @@ -58,8 +49,6 @@ import com.github.fge.jsonschema.core.report.ProcessingReport; import com.github.fge.jsonschema.main.JsonSchema; import com.github.fge.jsonschema.main.JsonSchemaFactory; -import com.fasterxml.jackson.databind.ObjectMapper; - /** * This class provides the service implementation of all the A1 operation * @@ -68,7 +57,7 @@ import com.fasterxml.jackson.databind.ObjectMapper; */ @Service -public class A1PApiServiceImpl { // implements A1PApiService { +public class A1PApiServiceImpl { private static final Logger log = LoggerFactory.getLogger(A1PApiServiceImpl.class); @@ -82,35 +71,32 @@ public class A1PApiServiceImpl { // implements A1PApiService { ProcessingReport report = null; boolean result = false; try { - System.out.println("Applying schema: @<@<" + jsonSchema + ">@>@ to data: #<#<" + jsonData + ">#>#"); + log.info("Applying schema: @<@<" + jsonSchema + ">@>@ to data: #<#<" + jsonData + ">#>#"); JsonNode schemaNode = JsonLoader.fromString(jsonSchema); JsonNode data = JsonLoader.fromString(jsonData); JsonSchemaFactory factory = JsonSchemaFactory.byDefault(); JsonSchema schema = factory.getJsonSchema(schemaNode); report = schema.validate(data); } catch (JsonParseException jpex) { - System.out.println("Error. Something went wrong trying to parse json data: #<#<" + jsonData + log.info("Error. Something went wrong trying to parse json data: #<#<" + jsonData + ">#># or json schema: @<@<" + jsonSchema + ">@>@. Are the double quotes included? " + jpex.getMessage()); - // jpex.printStackTrace(); } catch (ProcessingException pex) { - System.out.println("Error. Something went wrong trying to process json data: #<#<" + jsonData + log.info("Error. Something went wrong trying to process json data: #<#<" + jsonData + ">#># with json schema: @<@<" + jsonSchema + ">@>@ " + pex.getMessage()); - // pex.printStackTrace(); } catch (IOException e) { - System.out.println("Error. Something went wrong trying to read json data: #<#<" + jsonData + log.info("Error. Something went wrong trying to read json data: #<#<" + jsonData + ">#># or json schema: @<@<" + jsonSchema + ">@>@"); - // e.printStackTrace(); } if (report != null) { Iterator iter = report.iterator(); while (iter.hasNext()) { ProcessingMessage pm = iter.next(); - System.out.println("Processing Message: " + pm.getMessage()); + log.info("Processing Message: " + pm.getMessage()); } result = report.isSuccess(); } - System.out.println(" Result=" + result); + log.info("Result=" + result); return result; } @@ -121,82 +107,99 @@ public class A1PApiServiceImpl { // implements A1PApiService { this.objectMapper = objectMapper; this.request = request; } + + public void reset() { + log.info("Resetting db"); + policyTypes.clear(); + } + + public ResponseEntity createReplaceType(Integer policyTypeId, PolicyTypeSchema policyTypeSchema) { + log.info("createReplaceType - policyTypeId: " + policyTypeId); + log.info("createReplaceType - policyTypeSchema: " + policyTypeSchema); + + if (policyTypeId == null || policyTypeSchema == null || policyTypeSchema.getName() == null) { + log.info("createReplaceType - bad parameters"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } + if (policyTypeSchema.getPolicyTypeId().intValue() != policyTypeId.intValue()) { + log.info("createReplaceType - policytype id mismatch between request and policyTypeSchema"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } - public ResponseEntity createReplaceType(Integer policyTypeId, PolicyTypeSchema body) { - - System.out.println("createReplaceType - policyTypeId: " + policyTypeId); - System.out.println("createReplaceType - body: " + body); - - String accept = request.getHeader("Accept"); - - if (body != null && body.getName() != null) { - if (body.getPolicyTypeId().intValue() != policyTypeId.intValue()) { - System.out.println("createReplaceType - policytype mismatch between request and body"); - return new ResponseEntity(HttpStatus.BAD_REQUEST); - } - - if (policyTypes.containsKey(policyTypeId.toString())) { - System.out.println("createReplaceType - policytype already exists"); - return new ResponseEntity(HttpStatus.BAD_REQUEST); - } + if (policyTypes.containsKey(policyTypeId.toString())) { + log.info("createReplaceType - policytype already exists"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } - PolicyType policyType = new PolicyType(policyTypeId, body); - policyTypes.put(policyTypeId.toString(), policyType); - } - System.out.println("createReplaceType - created ok"); - return new ResponseEntity(HttpStatus.CREATED); + PolicyType policyType = new PolicyType(policyTypeId, policyTypeSchema); + policyTypes.put(policyTypeId.toString(), policyType); + log.info("createReplaceType - created ok"); + return new ResponseEntity(HttpStatus.CREATED); } public ResponseEntity deleteType(Integer policyTypeId) { + log.info("deleteType - policyTypeId: " + policyTypeId); - System.out.println("deleteType - policyTypeId: " + policyTypeId); - - String accept = request.getHeader("Accept"); + if (policyTypeId == null) { + log.info("deleteType - bad parameter"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } - PolicyType policyType = policyTypes.get(policyTypeId.toString()); + PolicyType policyType = policyTypes.get(policyTypeId.toString()); - if (policyType == null) { - System.out.println("deleteType - policytype does not exists"); - return new ResponseEntity(HttpStatus.NOT_FOUND); - } + if (policyType == null) { + log.info("deleteType - policytype does not exists"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } - if (policyType.getNumberInstances() > 0) { - System.out.println("deleteType - cannot delete, instances exists"); - return new ResponseEntity(HttpStatus.BAD_REQUEST); - } - policyTypes.remove(policyTypeId.toString()); + if (policyType.getNumberInstances() > 0) { + log.info("deleteType - cannot delete, instances exists"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } + policyTypes.remove(policyTypeId.toString()); - System.out.println("deleteType - deleted ok"); - return new ResponseEntity(HttpStatus.NO_CONTENT); + log.info("deleteType - deleted ok"); + return new ResponseEntity(HttpStatus.NO_CONTENT); } public ResponseEntity deleteInstance(Integer policyTypeId, String policyInstanceId) { - System.out.println("deleteInstance - policyTypeId: " + policyTypeId); - System.out.println("deleteInstance - policyInstanceId: " + policyInstanceId); + log.info("deleteInstance - policyTypeId: " + policyTypeId); + log.info("deleteInstance - policyInstanceId: " + policyInstanceId); - PolicyType policyType = policyTypes.get(policyTypeId.toString()); + if (policyTypeId == null || policyInstanceId == null) { + log.info("deleteInstance - bad parameters"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } - if (policyType == null) { - System.out.println("deleteType - policytype does not exists"); - return new ResponseEntity(HttpStatus.NOT_FOUND); - } - PolicyInstance policyInstance = policyType.getInstance(policyInstanceId); - if (policyInstance == null) { - System.out.println("deleteType - instance does not exists"); - return new ResponseEntity(HttpStatus.NOT_FOUND); - } - policyType.delete(policyInstanceId); + PolicyType policyType = policyTypes.get(policyTypeId.toString()); + + if (policyType == null) { + log.info("deleteType - policytype does not exists"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } + PolicyInstance policyInstance = policyType.getInstance(policyInstanceId); + if (policyInstance == null) { + log.info("deleteType - instance does not exists"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } + policyType.delete(policyInstanceId); - System.out.println("deleteInstance - deleted ok"); - return new ResponseEntity(HttpStatus.NO_CONTENT); + log.info("deleteInstance - deleted ok"); + return new ResponseEntity(HttpStatus.NO_CONTENT); } public ResponseEntity getPolicyTypeSchema(Integer policyTypeId) { - System.out.println("getPolicyTypeSchema - policyTypeId: " + policyTypeId); + log.info("getPolicyTypeSchema - policyTypeId: " + policyTypeId); + + if (policyTypeId == null) { + log.info("getPolicyTypeSchema - bad parameter"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } + String accept = request.getHeader("Accept"); if (accept != null && accept.contains("application/json")) { String res = null; @@ -204,46 +207,45 @@ public class A1PApiServiceImpl { // implements A1PApiService { PolicyType policyType = policyTypes.get(policyTypeId.toString()); if (policyType == null) { - System.out.println("getPolicyTypeSchema - policytype does not exists"); + log.info("getPolicyTypeSchema - policytype does not exists"); return new ResponseEntity(HttpStatus.NOT_FOUND); } - String json = "{}"; + String json = null; PolicyTypeSchema schema = policyType.getSchema(); String createSchema = "{}"; try { // Convert Map to JSON json = objectMapper.writeValueAsString(schema); // Print JSON output - System.out.println("getPolicyTypeSchema - schema: " + json); + log.info("getPolicyTypeSchema - schema: " + json); createSchema = objectMapper.writeValueAsString(schema.getCreateSchema()); - System.out.println("getPolicyTypeSchema - createSchema: " + createSchema); + log.info("getPolicyTypeSchema - createSchema: " + createSchema); } catch (Exception e) { e.printStackTrace(); - System.out.println("getPolicyTypeSchema - schema corrupt"); + log.info("getPolicyTypeSchema - schema corrupt"); return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); } res = "{\n \"name\" : \"" + schema.getName() + "\",\n \"description\" : \"" + schema.getDescription() + "\",\n \"create_schema\" : " + createSchema + ",\n \"policy_type_id\" : " + schema.getPolicyTypeId().intValue() + "\n}"; - System.out.println("getPolicyTypeSchema - json schema: " + res); - objectMapper.configure(JsonParser.Feature.ALLOW_UNQUOTED_FIELD_NAMES, true); + log.info("getPolicyTypeSchema - json schema: " + res); return new ResponseEntity(objectMapper.readValue(res, PolicyTypeSchema.class), - HttpStatus.ACCEPTED); + HttpStatus.OK); } catch (Exception e) { e.printStackTrace(); - System.out - .println("getPolicyTypeSchema - Couldn't serialize response for content type application/json"); + log.info("getPolicyTypeSchema - Couldn't serialize response for content type application/json"); return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); } } - System.out.println("getPolicyTypeSchema - not implemented"); + log.info("getPolicyTypeSchema - not implemented"); return new ResponseEntity(HttpStatus.NOT_IMPLEMENTED); } public ResponseEntity> getAllTypes() { - System.out.println("getAllTypes"); + log.info("getAllTypes"); + String accept = request.getHeader("Accept"); if (accept != null && accept.contains("application/json")) { try { @@ -257,84 +259,93 @@ public class A1PApiServiceImpl { // implements A1PApiService { res = res + tid; } return new ResponseEntity>(objectMapper.readValue("[" + res + "]", List.class), - HttpStatus.ACCEPTED); + HttpStatus.OK); } catch (IOException e) { e.printStackTrace(); - System.out.println("getAllTypes - Couldn't serialize response for content type application/json"); + log.info("getAllTypes - Couldn't serialize response for content type application/json"); return new ResponseEntity>(HttpStatus.INTERNAL_SERVER_ERROR); } } - System.out.println("getAllTypes - not implemented"); + log.info("getAllTypes - not implemented"); return new ResponseEntity>(HttpStatus.NOT_IMPLEMENTED); } public ResponseEntity createReplaceInstance(Integer policyTypeId, String policyInstanceId, Object body) { - System.out.println("createReplaceInstance - policyTypeId:" + policyTypeId); - System.out.println("createReplaceInstance - policyInstanceId:" + policyInstanceId); - System.out.println("createReplaceInstance - body:" + body); - System.out.println("createReplaceInstance - bodyclass:" + body.getClass().toString()); + log.info("createReplaceInstance - policyTypeId:" + policyTypeId); + log.info("createReplaceInstance - policyInstanceId:" + policyInstanceId); + log.info("createReplaceInstance - body:" + body); - String accept = request.getHeader("Accept"); + if (policyTypeId == null || policyInstanceId == null || body == null) { + log.info("createReplaceInstance - bad parameter"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } - PolicyType policyType = policyTypes.get(policyTypeId.toString()); + log.info("createReplaceInstance - bodyclass:" + body.getClass().toString()); - if (policyType == null) { - System.out.println("createReplaceInstance - policytype does not exists"); - return new ResponseEntity(HttpStatus.NOT_FOUND); - } + PolicyType policyType = policyTypes.get(policyTypeId.toString()); - // Create json string from schema - String createSchema = null; - try { - PolicyTypeSchema schema = policyType.getSchema(); - // Convert Map to JSON - String json = objectMapper.writeValueAsString(schema); - // Print JSON output - System.out.println("createReplaceInstance - schema - json: " + json); - createSchema = objectMapper.writeValueAsString(schema.getCreateSchema()); - System.out.println("createReplaceInstance - createSchema - string: " + createSchema); - } catch (Exception e) { - e.printStackTrace(); - System.out.println("createReplaceInstance - schema corrupt"); - return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); - } + if (policyType == null) { + log.info("createReplaceInstance - policytype does not exists"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } - // Create json string from instance - String jsonInstance = null; - try { - System.out.println("createReplaceInstance - raw: " + body); - // Convert Map to JSON - jsonInstance = objectMapper.writeValueAsString(body); - // Print JSON output - System.out.println("createReplaceInstance - instance: " + jsonInstance); + // Create json string from schema + String createSchema = null; + try { + PolicyTypeSchema schema = policyType.getSchema(); + // Convert Map to JSON + String json = objectMapper.writeValueAsString(schema); + // Print JSON output + log.info("createReplaceInstance - schema - json: " + json); + createSchema = objectMapper.writeValueAsString(schema.getCreateSchema()); + log.info("createReplaceInstance - createSchema - string: " + createSchema); + } catch (Exception e) { + e.printStackTrace(); + log.info("createReplaceInstance - schema corrupt"); + return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); + } - } catch (Exception e) { - e.printStackTrace(); - System.out.println("createReplaceInstance - instancce corrupt"); - return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); - } + // Create json string from instance + String jsonInstance = null; + try { + log.info("createReplaceInstance - raw: " + body); + // Convert Map to JSON + jsonInstance = objectMapper.writeValueAsString(body); + // Print JSON output + log.info("createReplaceInstance - instance: " + jsonInstance); + + } catch (Exception e) { + e.printStackTrace(); + log.info("createReplaceInstance - instancce corrupt"); + return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); + } - if (!validateSchema(jsonInstance, createSchema)) { - System.out.println("createReplaceInstance - schema validation failed"); - return new ResponseEntity(HttpStatus.BAD_REQUEST); - } - PolicyInstance policyInstance = new PolicyInstance(policyInstanceId, body); - policyType.createReplaceInstance(policyInstanceId, policyInstance); + if (!validateSchema(jsonInstance, createSchema)) { + log.info("createReplaceInstance - schema validation failed"); + return new ResponseEntity(HttpStatus.BAD_REQUEST); + } + PolicyInstance policyInstance = new PolicyInstance(policyInstanceId, body); + policyType.createReplaceInstance(policyInstanceId, policyInstance); - System.out.println("createReplaceInstance - created/replaced ok"); - return new ResponseEntity(HttpStatus.CREATED); + log.info("createReplaceInstance - created/replaced ok"); + return new ResponseEntity(HttpStatus.CREATED); } public ResponseEntity> getAllInstanceForType(Integer policyTypeId) { - System.out.println("getAllInstanceForType - policyTypeId:" + policyTypeId); + log.info("getAllInstanceForType - policyTypeId:" + policyTypeId); + + if (policyTypeId == null) { + log.info("getAllInstanceForType - bad parameter"); + return new ResponseEntity>(HttpStatus.NOT_FOUND); + } String accept = request.getHeader("Accept"); if (accept != null && accept.contains("application/json")) { try { PolicyType policyType = policyTypes.get(policyTypeId.toString()); if (policyType == null) { - System.out.println("getAllInstanceForType - policytype does not exists"); + log.info("getAllInstanceForType - policytype does not exists"); return new ResponseEntity>(HttpStatus.NOT_FOUND); } Set instances = policyType.getInstances(); @@ -347,57 +358,61 @@ public class A1PApiServiceImpl { // implements A1PApiService { } res = res + iid; } - System.out.println("getAllInstanceForType - " + res); + log.info("getAllInstanceForType - " + res); return new ResponseEntity>(objectMapper.readValue("[" + res + "]", List.class), - HttpStatus.ACCEPTED); + HttpStatus.OK); } catch (IOException e) { e.printStackTrace(); - System.out.println( - "getAllInstanceForType - Couldn't serialize response for content type application/json"); + log.info("getAllInstanceForType - Couldn't serialize response for content type application/json"); return new ResponseEntity>(HttpStatus.INTERNAL_SERVER_ERROR); } } - System.out.println("getAllInstanceForType - not implemented"); + log.info("getAllInstanceForType - not implemented"); return new ResponseEntity>(HttpStatus.NOT_IMPLEMENTED); } public ResponseEntity getPolicyInstance(Integer policyTypeId, String policyInstanceId) { - System.out.println("getPolicyInstance - policyTypeId:" + policyTypeId); - System.out.println("getPolicyInstance - policyInstanceId:" + policyInstanceId); + log.info("getPolicyInstance - policyTypeId:" + policyTypeId); + log.info("getPolicyInstance - policyInstanceId:" + policyInstanceId); + + if (policyTypeId == null || policyInstanceId == null) { + log.info("getPolicyInstance - bad parameter"); + return new ResponseEntity(HttpStatus.NOT_FOUND); + } String accept = request.getHeader("Accept"); if (accept != null && accept.contains("application/json")) { try { PolicyType policyType = policyTypes.get(policyTypeId.toString()); if (policyType == null) { - System.out.println("getPolicyInstance - policytype does not exists"); + log.info("getPolicyInstance - policytype does not exists"); return new ResponseEntity(HttpStatus.NOT_FOUND); } PolicyInstance policyInstance = policyType.getInstance(policyInstanceId); if (policyInstance == null) { - System.out.println("getPolicyInstance - policyinstance does not exists"); + log.info("getPolicyInstance - policyinstance does not exists"); return new ResponseEntity(HttpStatus.NOT_FOUND); } - String json = "{}"; + String json = null; try { - System.out.println("getPolicyInstance - rawschema: " + policyInstance.getJson()); + log.info("getPolicyInstance - rawschema: " + policyInstance.getJson()); // Convert Map to JSON json = objectMapper.writeValueAsString(policyInstance.getJson()); // Print JSON output - System.out.println("getPolicyInstance - schema: " + json); + log.info("getPolicyInstance - schema: " + json); } catch (Exception e) { e.printStackTrace(); - System.out.println("getPolicyInstance - schema corrupt"); + log.info("getPolicyInstance - schema corrupt"); return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); } - return new ResponseEntity(objectMapper.readValue(json, Object.class), HttpStatus.ACCEPTED); + return new ResponseEntity(objectMapper.readValue(json, Object.class), HttpStatus.OK); } catch (IOException e) { e.printStackTrace(); - System.out.println("getPolicyInstance - policyinstance corrupt"); + log.info("getPolicyInstance - policyinstance corrupt"); return new ResponseEntity(HttpStatus.INTERNAL_SERVER_ERROR); } } @@ -406,31 +421,35 @@ public class A1PApiServiceImpl { // implements A1PApiService { } public ResponseEntity> getStatus(Integer policyTypeId, String policyInstanceId) { - System.out.println("getStatus - policyTypeId:" + policyTypeId); - System.out.println("getStatus - policyInstanceId:" + policyInstanceId); + log.info("getStatus - policyTypeId:" + policyTypeId); + log.info("getStatus - policyInstanceId:" + policyInstanceId); + + if (policyTypeId == null || policyInstanceId == null) { + log.info("getStatus - bad parameters"); + return new ResponseEntity>(HttpStatus.NOT_FOUND); + } String accept = request.getHeader("Accept"); if (accept != null && accept.contains("application/json")) { try { PolicyType policyType = policyTypes.get(policyTypeId.toString()); if (policyType == null) { - System.out.println("getStatus - policytype does not exists"); + log.info("getStatus - policytype does not exists"); return new ResponseEntity>(HttpStatus.NOT_FOUND); } PolicyInstance policyInstance = policyType.getInstance(policyInstanceId); if (policyInstance == null) { - System.out.println("getStatus - policyinstance does not exists"); + log.info("getStatus - policyinstance does not exists"); return new ResponseEntity>(HttpStatus.NOT_FOUND); } - return new ResponseEntity>( - objectMapper.readValue("[ {\n \"handler_id\" : \"X-APP-1\",\n \"status\" : \"enforced\"\n} ]", + objectMapper.readValue("[ {\n \"handler_id\" : \"NearRTRIC-1\",\n \"status\" : \"enforced\"\n} ]", List.class), - HttpStatus.ACCEPTED); + HttpStatus.OK); } catch (IOException e) { e.printStackTrace(); - System.out.println("getStatus - Couldn't serialize response for content type application/json"); + log.info("getStatus - Couldn't serialize response for content type application/json"); return new ResponseEntity>(HttpStatus.INTERNAL_SERVER_ERROR); } }