/*
* 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 java.util.List;
import java.util.Map;
import javax.inject.Inject;
import org.jclouds.http.HttpRequest;
import org.jclouds.http.HttpResponse;
import org.jclouds.http.functions.ParseJson;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.Node;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.Node.Status;
import org.jclouds.rackspace.cloudloadbalancers.v1.domain.internal.BaseNode;
import org.jclouds.rackspace.cloudloadbalancers.v1.functions.ParseMetadata.CLBMetadata;
import org.jclouds.rest.InvocationContext;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
/**
* @author Everett Toews
*/
public class ParseNode implements Function<HttpResponse, Node>, InvocationContext<ParseNode> {
private final ParseJson<Map<String, NodeWithCLBMetadata>> json;
@Inject
ParseNode(ParseJson<Map<String, NodeWithCLBMetadata>> json) {
this.json = checkNotNull(json, "json");
}
@Override
public Node apply(HttpResponse response) {
Map<String, NodeWithCLBMetadata> map = json.apply(response);
if (map == null || map.size() == 0)
return null;
NodeWithCLBMetadata nodeWithCLBMetadata = Iterables.get(map.values(), 0);
Node node = Node.builder()
.address(nodeWithCLBMetadata.getAddress())
.port(nodeWithCLBMetadata.getPort())
.condition(nodeWithCLBMetadata.getCondition())
.type(nodeWithCLBMetadata.getType())
.weight(nodeWithCLBMetadata.getWeight())
.id(nodeWithCLBMetadata.id)
.status(nodeWithCLBMetadata.status)
.metadata(ParseMetadata.transformCLBMetadataToMetadata(nodeWithCLBMetadata.metadata))
.build();
return node;
}
@Override
public ParseNode setContext(HttpRequest request) {
return this;
}
/**
* This class is here only to deal with the metadata format in CLB.
*/
private static class NodeWithCLBMetadata extends BaseNode<Node> {
private int id;
private Status status;
private List<CLBMetadata> metadata;
}
}