| 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.vcloud.functions; |
| 20 | |
| 21 | import static com.google.common.base.Preconditions.checkNotNull; |
| 22 | |
| 23 | import java.net.URI; |
| 24 | import java.util.Map; |
| 25 | import java.util.NoSuchElementException; |
| 26 | |
| 27 | import javax.inject.Inject; |
| 28 | import javax.inject.Singleton; |
| 29 | |
| 30 | import org.jclouds.vcloud.endpoints.Catalog; |
| 31 | import org.jclouds.vcloud.endpoints.Org; |
| 32 | |
| 33 | import com.google.common.base.Function; |
| 34 | import com.google.common.base.Supplier; |
| 35 | import com.google.common.collect.Iterables; |
| 36 | |
| 37 | /** |
| 38 | * |
| 39 | * @author Adrian Cole |
| 40 | */ |
| 41 | @Singleton |
| 42 | public class OrgNameCatalogNameItemNameToEndpoint implements Function<Object, URI> { |
| 43 | private final Supplier<Map<String, Map<String, ? extends org.jclouds.vcloud.domain.Catalog>>> orgCatalogMap; |
| 44 | private final String defaultOrg; |
| 45 | private final String defaultCatalog; |
| 46 | |
| 47 | @Inject |
| 48 | public OrgNameCatalogNameItemNameToEndpoint( |
| 49 | Supplier<Map<String, Map<String, ? extends org.jclouds.vcloud.domain.Catalog>>> orgCatalogMap, |
| 50 | @Org String defaultOrg, @Catalog String defaultCatalog) { |
| 51 | this.orgCatalogMap = orgCatalogMap; |
| 52 | this.defaultOrg = defaultOrg; |
| 53 | this.defaultCatalog = defaultCatalog; |
| 54 | } |
| 55 | |
| 56 | @SuppressWarnings("unchecked") |
| 57 | public URI apply(Object from) { |
| 58 | Iterable<Object> orgCatalog = (Iterable<Object>) checkNotNull(from, "args"); |
| 59 | Object org = Iterables.get(orgCatalog, 0); |
| 60 | Object catalog = Iterables.get(orgCatalog, 1); |
| 61 | Object catalogItem = Iterables.get(orgCatalog, 2); |
| 62 | if (org == null) |
| 63 | org = defaultOrg; |
| 64 | if (catalog == null) |
| 65 | catalog = defaultCatalog; |
| 66 | try { |
| 67 | Map<String, ? extends org.jclouds.vcloud.domain.Catalog> catalogs = checkNotNull(orgCatalogMap.get().get(org)); |
| 68 | return catalogs.get(catalog).get(catalogItem).getHref(); |
| 69 | } catch (NullPointerException e) { |
| 70 | throw new NoSuchElementException(org + "/" + catalog + "/" + catalogItem + " not found in " |
| 71 | + orgCatalogMap.get()); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | } |