| 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.cloudfiles.blobstore.functions; |
| 20 | |
| 21 | import java.net.URI; |
| 22 | import java.util.Map; |
| 23 | |
| 24 | import javax.inject.Inject; |
| 25 | import javax.inject.Provider; |
| 26 | import javax.inject.Singleton; |
| 27 | import javax.ws.rs.core.UriBuilder; |
| 28 | |
| 29 | import org.jclouds.openstack.swift.domain.ObjectInfo; |
| 30 | |
| 31 | import com.google.common.base.Function; |
| 32 | |
| 33 | /** |
| 34 | * @author Adrian Cole |
| 35 | */ |
| 36 | @Singleton |
| 37 | public class PublicUriForObjectInfo implements Function<ObjectInfo, URI> { |
| 38 | private final Map<String, URI> cdnContainer; |
| 39 | private final Provider<UriBuilder> uriBuilders; |
| 40 | |
| 41 | @Inject |
| 42 | public PublicUriForObjectInfo(Map<String, URI> cdnContainer, Provider<UriBuilder> uriBuilders) { |
| 43 | this.cdnContainer = cdnContainer; |
| 44 | this.uriBuilders = uriBuilders; |
| 45 | } |
| 46 | |
| 47 | public URI apply(ObjectInfo from) { |
| 48 | if (from == null) |
| 49 | return null; |
| 50 | try { |
| 51 | return uriBuilders.get().uri(cdnContainer.get(from.getContainer())).path(from.getName()).replaceQuery("") |
| 52 | .build(); |
| 53 | } catch (NullPointerException e) { |
| 54 | // MapMaker constructed maps are not allowed to return null; |
| 55 | return null; |
| 56 | } |
| 57 | } |
| 58 | } |