| 1 | /** |
| 2 | * |
| 3 | * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com> |
| 4 | * |
| 5 | * ==================================================================== |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | */ |
| 19 | package org.jclouds.rest.functions; |
| 20 | |
| 21 | import static org.jclouds.util.Throwables2.propagateOrNull; |
| 22 | |
| 23 | import javax.inject.Singleton; |
| 24 | |
| 25 | import org.jclouds.http.HttpResponseException; |
| 26 | import org.jclouds.rest.AuthorizationException; |
| 27 | import org.jclouds.rest.ResourceNotFoundException; |
| 28 | |
| 29 | import com.google.common.base.Function; |
| 30 | |
| 31 | /** |
| 32 | * |
| 33 | * @author Adrian Cole |
| 34 | */ |
| 35 | @Singleton |
| 36 | public class MapHttp4xxCodesToExceptions implements Function<Exception, Object> { |
| 37 | |
| 38 | public Object apply(Exception from) { |
| 39 | if (from instanceof HttpResponseException) { |
| 40 | HttpResponseException responseException = (HttpResponseException) from; |
| 41 | if (responseException.getResponse() != null) |
| 42 | switch (responseException.getResponse().getStatusCode()) { |
| 43 | case 401: |
| 44 | throw new AuthorizationException(from); |
| 45 | case 403: |
| 46 | throw new AuthorizationException(from); |
| 47 | case 404: |
| 48 | throw new ResourceNotFoundException(from); |
| 49 | case 409: |
| 50 | throw new IllegalStateException(from); |
| 51 | } |
| 52 | } |
| 53 | return propagateOrNull(from); |
| 54 | } |
| 55 | |
| 56 | } |