/**
* 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.keystone.v2_0.functions.internal;
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 javax.inject.Singleton;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.internal.CallerArg0ToPagedIterable;
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.PaginatedCollection;
import org.jclouds.openstack.keystone.v2_0.domain.Tenant;
import org.jclouds.openstack.keystone.v2_0.features.TenantApi;
import org.jclouds.openstack.keystone.v2_0.functions.internal.ParseTenants.Tenants;
import org.jclouds.openstack.v2_0.domain.Link;
import com.google.common.annotations.Beta;
import com.google.common.base.Function;
import com.google.inject.TypeLiteral;
/**
* boiler plate until we determine a better way
*
* @author Adrian Cole
*/
@Beta
@Singleton
public class ParseTenants extends ParseJson<Tenants> {
static class Tenants extends PaginatedCollection<Tenant> {
@ConstructorProperties({ "tenants", "tenants_links" })
protected Tenants(Iterable<Tenant> tenants, Iterable<Link> tenants_links) {
super(tenants, tenants_links);
}
}
@Inject
public ParseTenants(Json json) {
super(json, TypeLiteral.get(Tenants.class));
}
public static class ToPagedIterable extends CallerArg0ToPagedIterable<Tenant, ToPagedIterable> {
private final KeystoneApi api;
@Inject
protected ToPagedIterable(KeystoneApi api) {
this.api = checkNotNull(api, "api");
}
@Override
protected Function<Object, IterableWithMarker<Tenant>> markerToNextForCallingArg0(final String ignored) {
final TenantApi tenantApi = api.getTenantApi().get();
return new Function<Object, IterableWithMarker<Tenant>>() {
@SuppressWarnings("unchecked")
@Override
public IterableWithMarker<Tenant> apply(Object input) {
return IterableWithMarker.class.cast(tenantApi.list(marker(input.toString())));
}
@Override
public String toString() {
return "listTenants()";
}
};
}
}
}