/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.openstack.keystone.v2_0.functions.internal;
import static com.google.common.base.Preconditions.checkNotNull;
import java.beans.ConstructorProperties;
import javax.inject.Inject;
import javax.inject.Singleton;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.internal.Arg0ToPagedIterable;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.json.Json;
import org.jclouds.openstack.keystone.v2_0.KeystoneApi;
import org.jclouds.openstack.keystone.v2_0.domain.Service;
import org.jclouds.openstack.keystone.v2_0.extensions.ServiceAdminApi;
import org.jclouds.openstack.keystone.v2_0.functions.internal.ParseServices.Services;
import org.jclouds.openstack.v2_0.domain.Link;
import org.jclouds.openstack.v2_0.domain.PaginatedCollection;
import org.jclouds.openstack.v2_0.options.PaginationOptions;
import com.google.common.annotations.Beta;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.inject.TypeLiteral;
/**
* boiler plate until we determine a better way
*/
@Beta
@Singleton
public class ParseServices extends ParseJson<Services> {
static class Services extends PaginatedCollection<Service> {
@ConstructorProperties({ "OS-KSADM:services", "services_links" })
protected Services(Iterable<Service> services, Iterable<Link> services_links) {
super(services, services_links);
}
}
@Inject
public ParseServices(Json json) {
super(json, TypeLiteral.get(Services.class));
}
public static class ToPagedIterable extends Arg0ToPagedIterable.FromCaller<Service, ToPagedIterable> {
private final KeystoneApi api;
@Inject
protected ToPagedIterable(KeystoneApi api) {
this.api = checkNotNull(api, "api");
}
@Override
protected Function<Object, IterableWithMarker<Service>> markerToNextForArg0(Optional<Object> ignored) {
final ServiceAdminApi serviceApi = api.getServiceAdminApi().get();
return new Function<Object, IterableWithMarker<Service>>() {
@SuppressWarnings("unchecked")
@Override
public IterableWithMarker<Service> apply(Object input) {
PaginationOptions paginationOptions = PaginationOptions.class.cast(input);
return IterableWithMarker.class.cast(serviceApi.list(paginationOptions));
}
@Override
public String toString() {
return "listServices()";
}
};
}
}
}