| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds 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.s3.predicates.validators; |
| |
| import static com.google.common.base.CharMatcher.is; |
| |
| import javax.inject.Inject; |
| |
| import org.jclouds.predicates.validators.DnsNameValidator; |
| |
| import com.google.common.base.CharMatcher; |
| import com.google.inject.Singleton; |
| |
| /** |
| * Validates name for S3 buckets. The complete requirements are listed at: |
| * http://docs.amazonwebservices.com/AmazonS3/latest/index.html?BucketRestrictions.html |
| * |
| * @see org.jclouds.rest.InputParamValidator |
| * @see org.jclouds.predicates.Validator |
| * |
| * @author Adrian Cole |
| */ |
| @Singleton |
| public class BucketNameValidator extends DnsNameValidator { |
| |
| @Inject |
| BucketNameValidator() { |
| super(3, 63); |
| } |
| |
| public void validate(String containerName) { |
| super.validate(containerName); |
| if (containerName.indexOf("..") != -1) |
| throw exception(containerName, "Bucket names cannot contain two, adjacent periods"); |
| if (containerName.endsWith("-")) |
| throw exception(containerName, "Bucket names should not end with a dash"); |
| |
| if (containerName.indexOf("-.") != -1 || containerName.indexOf(".-") != -1) |
| throw exception( |
| containerName, |
| "Bucket names cannot contain dashes next to periods (e.g., \"my-.bucket.com\" and \"my.-bucket\" are invalid)"); |
| } |
| |
| @Override |
| protected IllegalArgumentException exception(String containerName, String reason) { |
| return new IllegalArgumentException( |
| String |
| .format( |
| "Object '%s' doesn't match S3 bucket virtual host naming convention. " |
| + "Reason: %s. For more info, please refer to http://docs.amazonwebservices.com/AmazonS3/latest/index.html?BucketRestrictions.html.", |
| containerName, reason)); |
| } |
| |
| /** |
| * Amazon also permits periods in the dns name. |
| * It also permits underscores, although they aren't recommended. |
| */ |
| @Override |
| protected CharMatcher getAcceptableRange() { |
| return super.getAcceptableRange().or(is('.')).or(is('_')); |
| } |
| } |