/*
* 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.rackspace.cloudloadbalancers.v1.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 javax.inject.Singleton;
import org.jclouds.collect.IterableWithMarker;
import org.jclouds.collect.internal.Arg0ToPagedIterable;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.json.Json;
import org.jclouds.openstack.keystone.v2_0.domain.PaginatedCollection;
import org.jclouds.openstack.v2_0.domain.Link;
import org.jclouds.rackspace.cloudloadbalancers.v1.CloudLoadBalancersApi;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.Node;
import org.jclouds.rackspace.cloudloadbalancers.v1.features.NodeApi;
import org.jclouds.rackspace.cloudloadbalancers.v1.functions.ParseNodes.Nodes;
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
*
* @author Everett Toews
*/
@Beta
@Singleton
public class ParseNodes extends ParseJson<Nodes> {
static class Nodes extends PaginatedCollection<Node> {
@ConstructorProperties({ "nodes", "nodes_links" })
protected Nodes(Iterable<Node> nodes, Iterable<Link> nodes_links) {
super(nodes, nodes_links);
}
}
@Inject
public ParseNodes(Json json) {
super(json, new TypeLiteral<Nodes>() { });
}
public static class ToPagedIterable extends Arg0ToPagedIterable.FromCaller<Node, ToPagedIterable> {
private final CloudLoadBalancersApi api;
private int lbId;
@Inject
protected ToPagedIterable(CloudLoadBalancersApi api) {
this.api = checkNotNull(api, "api");
}
@Override
public ToPagedIterable setContext(HttpRequest request) {
String path = request.getEndpoint().getPath();
int lastSlash = path.lastIndexOf('/');
int secondLastSlash = path.lastIndexOf('/', lastSlash-1);
lbId = Integer.valueOf(path.substring(secondLastSlash+1, lastSlash));
return super.setContext(request);
}
@Override
protected Function<Object, IterableWithMarker<Node>> markerToNextForArg0(Optional<Object> arg0) {
String zone = arg0.isPresent() ? arg0.get().toString() : null;
final NodeApi nodeApi = api.getNodeApiForZoneAndLoadBalancer(zone, lbId);
return new Function<Object, IterableWithMarker<Node>>() {
@Override
public IterableWithMarker<Node> apply(Object input) {
IterableWithMarker<Node> list = nodeApi.list(marker(input.toString()));
return list;
}
@Override
public String toString() {
return "list()";
}
};
}
}
}