2  * Copyright © 2018 European Support Limited
 
   4  * Licensed under the Apache License, Version 2.0 (the "License");
 
   5  * you may not use this file except in compliance with the License.
 
   6  * You may obtain a copy of the License at
 
   8  *      http://www.apache.org/licenses/LICENSE-2.0
 
  10  * Unless required by applicable law or agreed to in writing, software
 
  11  * distributed under the License is distributed on an "AS IS" BASIS,
 
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 
  13  * See the License for the specific language governing permissions and
 
  14  * limitations under the License.
 
  17 package org.onap.sdc.workflow.api.exceptionshandlers;
 
  19 import static org.springframework.http.HttpStatus.BAD_REQUEST;
 
  20 import static org.springframework.http.HttpStatus.FORBIDDEN;
 
  21 import static org.springframework.http.HttpStatus.NOT_FOUND;
 
  22 import static org.springframework.http.HttpStatus.UNPROCESSABLE_ENTITY;
 
  24 import org.onap.sdc.workflow.services.exceptions.EntityNotFoundException;
 
  25 import org.onap.sdc.workflow.services.exceptions.InvalidArtifactException;
 
  26 import org.onap.sdc.workflow.services.exceptions.InvalidPaginationParameterException;
 
  27 import org.onap.sdc.workflow.services.exceptions.UniqueValueViolationException;
 
  28 import org.onap.sdc.workflow.services.exceptions.VersionCreationException;
 
  29 import org.onap.sdc.workflow.services.exceptions.VersionModificationException;
 
  30 import org.onap.sdc.workflow.services.exceptions.VersionStateModificationException;
 
  31 import org.springframework.context.support.DefaultMessageSourceResolvable;
 
  32 import org.springframework.http.HttpHeaders;
 
  33 import org.springframework.http.HttpStatus;
 
  34 import org.springframework.http.ResponseEntity;
 
  35 import org.springframework.validation.FieldError;
 
  36 import org.springframework.web.bind.MethodArgumentNotValidException;
 
  37 import org.springframework.web.bind.ServletRequestBindingException;
 
  38 import org.springframework.web.bind.annotation.ControllerAdvice;
 
  39 import org.springframework.web.bind.annotation.ExceptionHandler;
 
  40 import org.springframework.web.bind.annotation.ResponseStatus;
 
  41 import org.springframework.web.bind.annotation.RestController;
 
  42 import org.springframework.web.context.request.WebRequest;
 
  43 import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
 
  47 public class CustomizedResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
 
  49     @ExceptionHandler(UniqueValueViolationException.class)
 
  50     public final ResponseEntity<String> handleUniqueValueViolationException(
 
  51             UniqueValueViolationException exception) {
 
  52         return new ResponseEntity<>(exception.getMessage(), UNPROCESSABLE_ENTITY);
 
  55     @ExceptionHandler(EntityNotFoundException.class)
 
  56     public final ResponseEntity<String> handleWorkflowNotFoundException(
 
  57             Exception exception) {
 
  58         return new ResponseEntity<>(exception.getMessage(), NOT_FOUND);
 
  61     @ExceptionHandler({InvalidPaginationParameterException.class})
 
  62     public final ResponseEntity<String> handlePaginationException(InvalidPaginationParameterException exception) {
 
  63         return new ResponseEntity<>(exception.getMessage(), BAD_REQUEST);
 
  67     protected final ResponseEntity<Object> handleMethodArgumentNotValid(final MethodArgumentNotValidException exception,
 
  68             final HttpHeaders headers,
 
  69             final HttpStatus status,
 
  70             final WebRequest request) {
 
  72         String errorMsg = exception.getBindingResult().getFieldErrors().stream()
 
  73                                    .map(DefaultMessageSourceResolvable::getDefaultMessage)
 
  75                                    .orElse(exception.getMessage());
 
  77         return new ResponseEntity<>(errorMsg, BAD_REQUEST);
 
  80     //For missing header exceptions
 
  82     public ResponseEntity<Object> handleServletRequestBindingException(ServletRequestBindingException ex,
 
  83                                                                        HttpHeaders headers, HttpStatus status,
 
  85         return new ResponseEntity<>(ex.getMessage(), BAD_REQUEST);
 
  89     @ExceptionHandler({InvalidArtifactException.class, VersionModificationException.class,
 
  90             VersionStateModificationException.class})
 
  91     public final ResponseEntity<String> handleInvalidArtifactException(
 
  92             Exception exception) {
 
  93         return new ResponseEntity<>(exception.getMessage(), UNPROCESSABLE_ENTITY);
 
  97     @ExceptionHandler(VersionCreationException.class)
 
  98     public final ResponseEntity<String> handleVersioningErrorException(
 
  99             VersionCreationException exception) {
 
 100         return new ResponseEntity<>(exception.getMessage(), FORBIDDEN);