Java tutorial
/** * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2016-2018 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package it.infn.mw.iam.api.scim.controller; import org.apache.commons.lang.NotImplementedException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.http.HttpStatus; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.bind.annotation.ResponseStatus; import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler; import it.infn.mw.iam.api.scim.exception.IllegalArgumentException; import it.infn.mw.iam.api.scim.exception.ScimException; import it.infn.mw.iam.api.scim.exception.ScimPatchOperationNotSupported; import it.infn.mw.iam.api.scim.exception.ScimResourceExistsException; import it.infn.mw.iam.api.scim.exception.ScimResourceNotFoundException; import it.infn.mw.iam.api.scim.exception.ScimValidationException; import it.infn.mw.iam.api.scim.model.ScimErrorResponse; import it.infn.mw.iam.authn.x509.CertificateParsingError; import it.infn.mw.iam.util.ssh.InvalidSshKeyException; @ControllerAdvice public class ScimExceptionHandler extends ResponseEntityExceptionHandler { public static final Logger LOG = LoggerFactory.getLogger(ScimExceptionHandler.class); @ResponseStatus(code = HttpStatus.NOT_IMPLEMENTED) @ExceptionHandler(NotImplementedException.class) @ResponseBody public ScimErrorResponse handleNotImplementedException(NotImplementedException e) { return buildErrorResponse(HttpStatus.NOT_IMPLEMENTED, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(ScimValidationException.class) @ResponseBody public ScimErrorResponse handleScimValidationException(ScimValidationException e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(CertificateParsingError.class) @ResponseBody public ScimErrorResponse handleCertificateParsingError(CertificateParsingError e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(IllegalArgumentException.class) @ResponseBody public ScimErrorResponse handleInvalidArgumentException(IllegalArgumentException e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(InvalidSshKeyException.class) @ResponseBody public ScimErrorResponse handleInvalidArgumentException(InvalidSshKeyException e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } @ResponseStatus(code = HttpStatus.NOT_FOUND) @ExceptionHandler(ScimResourceNotFoundException.class) @ResponseBody public ScimErrorResponse handleResourceNotFoundException(ScimResourceNotFoundException nfe) { return buildErrorResponse(HttpStatus.NOT_FOUND, nfe.getMessage()); } @ResponseStatus(code = HttpStatus.CONFLICT) @ExceptionHandler(ScimResourceExistsException.class) @ResponseBody public ScimErrorResponse handleResourceExists(ScimResourceExistsException e) { return buildErrorResponse(HttpStatus.CONFLICT, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(ScimPatchOperationNotSupported.class) @ResponseBody public ScimErrorResponse handleInvalidArgumentException(ScimPatchOperationNotSupported e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } @ResponseStatus(code = HttpStatus.BAD_REQUEST) @ExceptionHandler(ScimException.class) @ResponseBody public ScimErrorResponse handleInvalidArgumentException(ScimException e) { return buildErrorResponse(HttpStatus.BAD_REQUEST, e.getMessage()); } private ScimErrorResponse buildErrorResponse(HttpStatus status, String message) { return new ScimErrorResponse(status.value(), message); } }