| 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.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.domain.ReferenceType; |
| 31 | import org.jclouds.vcloud.domain.Org; |
| 32 | import org.jclouds.vcloud.endpoints.VDC; |
| 33 | |
| 34 | import com.google.common.base.Function; |
| 35 | import com.google.common.base.Supplier; |
| 36 | import com.google.common.collect.Iterables; |
| 37 | |
| 38 | /** |
| 39 | * |
| 40 | * @author Adrian Cole |
| 41 | */ |
| 42 | @Singleton |
| 43 | public class OrgNameAndVDCNameToEndpoint implements Function<Object, URI> { |
| 44 | private final Supplier<Map<String, ? extends Org>> orgNameToVDCEndpoint; |
| 45 | private final ReferenceType defaultOrg; |
| 46 | private final ReferenceType defaultVDC; |
| 47 | |
| 48 | @Inject |
| 49 | public OrgNameAndVDCNameToEndpoint(Supplier<Map<String, ? extends Org>> orgNameToVDCEndpoint, |
| 50 | @org.jclouds.vcloud.endpoints.Org ReferenceType defaultOrg, @VDC ReferenceType defaultVDC) { |
| 51 | this.orgNameToVDCEndpoint = orgNameToVDCEndpoint; |
| 52 | this.defaultOrg = defaultOrg; |
| 53 | this.defaultVDC = defaultVDC; |
| 54 | } |
| 55 | |
| 56 | @SuppressWarnings("unchecked") |
| 57 | public URI apply(Object from) { |
| 58 | Iterable<Object> orgVdc = (Iterable<Object>) checkNotNull(from, "args"); |
| 59 | Object org = Iterables.get(orgVdc, 0); |
| 60 | Object vdc = Iterables.get(orgVdc, 1); |
| 61 | if (org == null && vdc == null) |
| 62 | return defaultVDC.getHref(); |
| 63 | else if (org == null) |
| 64 | org = defaultOrg.getName(); |
| 65 | |
| 66 | try { |
| 67 | Map<String, ReferenceType> vdcs = checkNotNull(orgNameToVDCEndpoint.get().get(org)).getVDCs(); |
| 68 | return vdc == null ? Iterables.getLast(vdcs.values()).getHref() : vdcs.get(vdc).getHref(); |
| 69 | } catch (NullPointerException e) { |
| 70 | throw new NoSuchElementException(org + "/" + vdc + " not found in " + orgNameToVDCEndpoint.get()); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | } |