| 1 | /** |
| 2 | * Licensed to jclouds, Inc. (jclouds) under one or more |
| 3 | * contributor license agreements. See the NOTICE file |
| 4 | * distributed with this work for additional information |
| 5 | * regarding copyright ownership. jclouds licenses this file |
| 6 | * to you under the Apache License, Version 2.0 (the |
| 7 | * "License"); you may not use this file except in compliance |
| 8 | * with the License. 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, |
| 13 | * software distributed under the License is distributed on an |
| 14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | * KIND, either express or implied. See the License for the |
| 16 | * specific language governing permissions and limitations |
| 17 | * under the License. |
| 18 | */ |
| 19 | package org.jclouds.blobstore.functions; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import javax.inject.Singleton; |
| 24 | |
| 25 | import org.jclouds.http.options.GetOptions; |
| 26 | |
| 27 | import com.google.common.base.Function; |
| 28 | |
| 29 | /** |
| 30 | * @author Adrian Cole |
| 31 | */ |
| 32 | @Singleton |
| 33 | public class BlobToHttpGetOptions implements Function<org.jclouds.blobstore.options.GetOptions, GetOptions> { |
| 34 | |
| 35 | @Override |
| 36 | public GetOptions apply(org.jclouds.blobstore.options.GetOptions from) { |
| 37 | checkNotNull(from, "options"); |
| 38 | if (from == org.jclouds.blobstore.options.GetOptions.NONE) |
| 39 | return GetOptions.NONE; |
| 40 | GetOptions httpOptions = new GetOptions(); |
| 41 | if (from.getIfMatch() != null) { |
| 42 | httpOptions.ifETagMatches(from.getIfMatch()); |
| 43 | } |
| 44 | if (from.getIfModifiedSince() != null) { |
| 45 | httpOptions.ifModifiedSince(from.getIfModifiedSince()); |
| 46 | } |
| 47 | if (from.getIfNoneMatch() != null) { |
| 48 | httpOptions.ifETagDoesntMatch(from.getIfNoneMatch()); |
| 49 | } |
| 50 | if (from.getIfUnmodifiedSince() != null) { |
| 51 | httpOptions.ifUnmodifiedSince(from.getIfUnmodifiedSince()); |
| 52 | } |
| 53 | for (String range : from.getRanges()) { |
| 54 | String[] firstLast = range.split("\\-", 2); |
| 55 | if (!firstLast[0].isEmpty() && !firstLast[1].isEmpty()) |
| 56 | httpOptions.range(Long.parseLong(firstLast[0]), Long.parseLong(firstLast[1])); |
| 57 | else if (firstLast[0].isEmpty() && !firstLast[1].isEmpty()) |
| 58 | httpOptions.tail(Long.parseLong(firstLast[1])); |
| 59 | else |
| 60 | httpOptions.startAt(Long.parseLong(firstLast[0])); |
| 61 | } |
| 62 | return httpOptions; |
| 63 | } |
| 64 | } |