Networks.java

/*
 * 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.apache.provisionr.cloudstack.core;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;
import java.util.NoSuchElementException;
import java.util.Set;
import org.jclouds.cloudstack.CloudStackClient;
import org.jclouds.cloudstack.domain.Network;

public final class Networks {

    private Networks() {
    }

    public static String formatNameFromBusinessKey(String processBusinessKey) {
        return String.format("networks-%s", processBusinessKey);
    }

    /**
     * Returns the first network with the given name.
     *
     * @throws NoSuchElementException   if no network is found
     * @throws IllegalArgumentException if more networks with the same name are found
     */
    public static Network getByName(CloudStackClient client, final String networkName) {
        Set<Network> networks = Sets.filter(client.getNetworkClient().listNetworks(),
            new Predicate<Network>() {
                @Override
                public boolean apply(Network network) {
                    return network != null && network.getName().equals(networkName);
                }
            });

        return Iterables.getOnlyElement(networks);
    }
}