| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.jclouds.openstack.swift.v1.handlers; |
| |
| import static org.jclouds.http.HttpUtils.closeClientButKeepContentStream; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| import org.jclouds.blobstore.ContainerNotFoundException; |
| import org.jclouds.blobstore.KeyNotFoundException; |
| import org.jclouds.http.HttpCommand; |
| import org.jclouds.http.HttpErrorHandler; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.HttpResponseException; |
| import org.jclouds.openstack.swift.v1.CopyObjectException; |
| import org.jclouds.openstack.swift.v1.reference.SwiftHeaders; |
| import org.jclouds.rest.AuthorizationException; |
| import org.jclouds.rest.InsufficientResourcesException; |
| |
| // TODO: is there error spec someplace? let's type errors, etc. |
| public class SwiftErrorHandler implements HttpErrorHandler { |
| public static final String PREFIX = "^/v[0-9][^/]*/[a-zA-Z]+_[^/]+/"; |
| public static final Pattern CONTAINER_PATH = Pattern.compile(PREFIX + "([^/]+)$"); |
| public static final Pattern CONTAINER_KEY_PATH = Pattern.compile(PREFIX + "([^/]+)/(.*)"); |
| |
| public void handleError(HttpCommand command, HttpResponse response) { |
| // it is important to always read fully and close streams |
| byte[] data = closeClientButKeepContentStream(response); |
| String message = data != null ? new String(data) : null; |
| |
| Exception exception = message != null ? new HttpResponseException(command, response, message) |
| : new HttpResponseException(command, response); |
| message = message != null ? message : String.format("%s -> %s", command.getCurrentRequest().getRequestLine(), |
| response.getStatusLine()); |
| switch (response.getStatusCode()) { |
| case 401: |
| exception = new AuthorizationException(exception.getMessage(), exception); |
| break; |
| case 404: |
| Exception oldException = exception; |
| String sourcePath = command.getCurrentRequest().getFirstHeaderOrNull(SwiftHeaders.OBJECT_COPY_FROM); |
| if (sourcePath != null) { |
| // the path returned here is in the form "/v1/tenant-id/destContainer/destObject" |
| String path = command.getCurrentRequest().getEndpoint().getPath(); |
| int startOfDestinationPath = path.lastIndexOf("/", path.lastIndexOf("/") - 1); |
| // get the "/destContainer/destObject" portion of the path |
| String destinationPath = path.substring(startOfDestinationPath); |
| |
| exception = new CopyObjectException(sourcePath, destinationPath, message); |
| exception.initCause(oldException); |
| } else if (!command.getCurrentRequest().getMethod().equals("DELETE")) { |
| String path = command.getCurrentRequest().getEndpoint().getPath(); |
| Matcher matcher = CONTAINER_PATH.matcher(path); |
| |
| if (matcher.find()) { |
| exception = new ContainerNotFoundException(matcher.group(1), message); |
| exception.initCause(oldException); |
| } else { |
| matcher = CONTAINER_KEY_PATH.matcher(path); |
| if (matcher.find()) { |
| exception = new KeyNotFoundException(matcher.group(1), matcher.group(2), message); |
| exception.initCause(oldException); |
| } |
| } |
| } |
| break; |
| case 409: |
| exception = new IllegalStateException(exception.getMessage(), exception); |
| break; |
| case 413: |
| exception = new InsufficientResourcesException(exception.getMessage(), exception); |
| break; |
| } |
| command.setException(exception); |
| } |
| } |