| /** |
| * Licensed to jclouds, Inc. (jclouds) under one or more |
| * contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. jclouds licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.jclouds.rackspace.cloudloadbalancers.functions; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.jclouds.openstack.v2_0.options.PaginationOptions.Builder.marker; |
| |
| import java.beans.ConstructorProperties; |
| |
| import javax.inject.Inject; |
| |
| import org.jclouds.collect.IterableWithMarker; |
| import org.jclouds.collect.IterableWithMarkers; |
| import org.jclouds.collect.internal.CallerArg0ToPagedIterable; |
| import org.jclouds.http.HttpRequest; |
| import org.jclouds.http.HttpResponse; |
| import org.jclouds.http.functions.ParseJson; |
| import org.jclouds.openstack.keystone.v2_0.domain.PaginatedCollection; |
| import org.jclouds.openstack.v2_0.domain.Link; |
| import org.jclouds.rackspace.cloudloadbalancers.CloudLoadBalancersApi; |
| import org.jclouds.rackspace.cloudloadbalancers.domain.LoadBalancer; |
| import org.jclouds.rackspace.cloudloadbalancers.features.LoadBalancerApi; |
| import org.jclouds.rackspace.cloudloadbalancers.functions.ConvertLB.Factory; |
| import org.jclouds.rest.InvocationContext; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.Iterables; |
| |
| /** |
| * @author Adrian Cole |
| */ |
| public class ParseLoadBalancers implements Function<HttpResponse, IterableWithMarker<LoadBalancer>>, |
| InvocationContext<ParseLoadBalancers> { |
| |
| private final ParseJson<LoadBalancers> json; |
| private final Factory factory; |
| |
| private ConvertLB convertLB; |
| |
| @Inject |
| ParseLoadBalancers(ParseJson<LoadBalancers> json, ConvertLB.Factory factory) { |
| this.json = checkNotNull(json, "json"); |
| this.factory = checkNotNull(factory, "factory"); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public IterableWithMarker<LoadBalancer> apply(HttpResponse arg0) { |
| LoadBalancers lbs = json.apply(arg0); |
| |
| if (lbs.size() == 0) |
| return IterableWithMarkers.EMPTY; |
| |
| Iterable<LoadBalancer> transform = Iterables.transform(lbs, convertLB); |
| IterableWithMarker<LoadBalancer> iterableWithMarker = IterableWithMarkers.from(transform); |
| |
| return iterableWithMarker; |
| } |
| |
| @Override |
| public ParseLoadBalancers setContext(HttpRequest request) { |
| return setRegion(request.getEndpoint().getHost().substring(0, request.getEndpoint().getHost().indexOf('.'))); |
| } |
| |
| ParseLoadBalancers setRegion(String region) { |
| this.convertLB = factory.createForRegion(region); |
| return this; |
| } |
| |
| static class LoadBalancers extends PaginatedCollection<LB> { |
| |
| @ConstructorProperties({ "loadBalancers", "loadBalancers_links" }) |
| protected LoadBalancers(Iterable<LB> loadBalancers, Iterable<Link> loadBalancers_links) { |
| super(loadBalancers, loadBalancers_links); |
| } |
| |
| } |
| |
| public static class ToPagedIterable extends CallerArg0ToPagedIterable<LoadBalancer, ToPagedIterable> { |
| |
| private final CloudLoadBalancersApi api; |
| |
| @Inject |
| protected ToPagedIterable(CloudLoadBalancersApi api) { |
| this.api = checkNotNull(api, "api"); |
| } |
| |
| @Override |
| protected Function<Object, IterableWithMarker<LoadBalancer>> markerToNextForCallingArg0(final String zone) { |
| final LoadBalancerApi loadBalancerApi = api.getLoadBalancerApiForZone(zone); |
| |
| return new Function<Object, IterableWithMarker<LoadBalancer>>() { |
| |
| @Override |
| public IterableWithMarker<LoadBalancer> apply(Object input) { |
| IterableWithMarker<LoadBalancer> list = loadBalancerApi.list(marker(input.toString())); |
| return list; |
| } |
| |
| @Override |
| public String toString() { |
| return "list()"; |
| } |
| }; |
| } |
| |
| } |
| } |