| 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 java.net.URI; |
| 22 | import java.util.Map; |
| 23 | import java.util.NoSuchElementException; |
| 24 | |
| 25 | import javax.inject.Inject; |
| 26 | import javax.inject.Singleton; |
| 27 | |
| 28 | import org.jclouds.vcloud.domain.ReferenceType; |
| 29 | import org.jclouds.vcloud.endpoints.Org; |
| 30 | |
| 31 | import com.google.common.base.Function; |
| 32 | import com.google.common.base.Supplier; |
| 33 | |
| 34 | /** |
| 35 | * |
| 36 | * @author Adrian Cole |
| 37 | */ |
| 38 | @Singleton |
| 39 | public class OrgNameToEndpoint implements Function<Object, URI> { |
| 40 | private final Supplier<Map<String, ReferenceType>> orgNameToEndpointSupplier; |
| 41 | private final URI defaultUri; |
| 42 | |
| 43 | @Inject |
| 44 | public OrgNameToEndpoint(@Org Supplier<Map<String, ReferenceType>> orgNameToEndpointSupplier, @Org URI defaultUri) { |
| 45 | this.orgNameToEndpointSupplier = orgNameToEndpointSupplier; |
| 46 | this.defaultUri = defaultUri; |
| 47 | } |
| 48 | |
| 49 | public URI apply(Object from) { |
| 50 | try { |
| 51 | Map<String, ReferenceType> orgNameToEndpoint = orgNameToEndpointSupplier.get(); |
| 52 | return from == null ? defaultUri : orgNameToEndpoint.get(from).getHref(); |
| 53 | } catch (NullPointerException e) { |
| 54 | throw new NoSuchElementException("org " + from + " not found in " + orgNameToEndpointSupplier.get().keySet()); |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | } |