/**
* 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.openstack.neutron.v2.functions;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.internal.Arg0ToPagedIterable;
import org.jclouds.openstack.neutron.v2.NeutronApi;
import org.jclouds.openstack.neutron.v2.domain.Router;
import org.jclouds.openstack.neutron.v2.extensions.RouterApi;
import org.jclouds.openstack.v2_0.options.PaginationOptions;
import javax.inject.Inject;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Ensures Routers works as PagedIterable.
*/
public class RouterToPagedIterable extends Arg0ToPagedIterable.FromCaller<Router, RouterToPagedIterable> {
private final NeutronApi api;
@Inject
protected RouterToPagedIterable(NeutronApi api) {
this.api = checkNotNull(api, "api");
}
@Override
protected Function<Object, IterableWithMarker<Router>> markerToNextForArg0(Optional<Object> arg0) {
String region = arg0.isPresent() ? arg0.get().toString() : null;
final RouterApi routerApi = api.getRouterExtensionApi(region).get();
return new Function<Object, IterableWithMarker<Router>>() {
@SuppressWarnings("unchecked")
@Override
public IterableWithMarker<Router> apply(Object input) {
PaginationOptions paginationOptions = PaginationOptions.class.cast(input);
return IterableWithMarker.class.cast(routerApi.list(paginationOptions));
}
@Override
public String toString() {
return "listRouters()";
}
};
}
}