workflow-designer-be/src/main/java/org/onap/sdc/workflow/api/exceptionshandlers/CustomizedResponseEntityExceptionHandler.java

   1 /*
   2  * Copyright © 2018 European Support Limited
   3  *
   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
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 package org.onap.sdc.workflow.api.exceptionshandlers;
  18
  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;
  23
  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;
  44
  45 @ControllerAdvice
  46 @RestController
  47 public class CustomizedResponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
  48
  49     @ExceptionHandler(UniqueValueViolationException.class)
  50     public final ResponseEntity<String> handleUniqueValueViolationException(
  51             UniqueValueViolationException exception) {
  52         return new ResponseEntity<>(exception.getMessage(), UNPROCESSABLE_ENTITY);
  53     }
  54
  55     @ExceptionHandler(EntityNotFoundException.class)
  56     public final ResponseEntity<String> handleWorkflowNotFoundException(
  57             Exception exception) {
  58         return new ResponseEntity<>(exception.getMessage(), NOT_FOUND);
  59     }
  60
  61     @ExceptionHandler({InvalidPaginationParameterException.class})
  62     public final ResponseEntity<String> handlePaginationException(InvalidPaginationParameterException exception) {
  63         return new ResponseEntity<>(exception.getMessage(), BAD_REQUEST);
  64     }
  65
  66     @Override
  67     protected final ResponseEntity<Object> handleMethodArgumentNotValid(final MethodArgumentNotValidException exception,
  68             final HttpHeaders headers,
  69             final HttpStatus status,
  70             final WebRequest request) {
  71
  72         String errorMsg = exception.getBindingResult().getFieldErrors().stream()
  73                                    .map(DefaultMessageSourceResolvable::getDefaultMessage)
  74                                    .findFirst()
  75                                    .orElse(exception.getMessage());
  76
  77         return new ResponseEntity<>(errorMsg, BAD_REQUEST);
  78     }
  79
  80     //For missing header exceptions
  81     @Override
  82     public ResponseEntity<Object> handleServletRequestBindingException(ServletRequestBindingException ex,
  83                                                                        HttpHeaders headers, HttpStatus status,
  84                                                                        WebRequest request) {
  85         return new ResponseEntity<>(ex.getMessage(), BAD_REQUEST);
  86     }
  87
  88
  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);
  94     }
  95
  96
  97     @ExceptionHandler(VersionCreationException.class)
  98     public final ResponseEntity<String> handleVersioningErrorException(
  99             VersionCreationException exception) {
 100         return new ResponseEntity<>(exception.getMessage(), FORBIDDEN);
 101     }
 102 }