org.jclouds.cloudstack.predicates.PublicIPAddressPredicates.java Source code

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Here is the source code for org.jclouds.cloudstack.predicates.PublicIPAddressPredicates.java

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/*
 * 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.cloudstack.predicates;

import static com.google.common.base.Preconditions.checkNotNull;

import org.jclouds.cloudstack.domain.PublicIPAddress;

import com.google.common.base.Predicate;
import com.google.common.base.Predicates;

/**
 * 
 * @author Adrian Cole
 */
public class PublicIPAddressPredicates {

    public static final class AssociatedWithNetwork implements Predicate<PublicIPAddress> {
        private final String networkId;

        public AssociatedWithNetwork(String networkId) {
            this.networkId = checkNotNull(networkId, "networkId");
        }

        @Override
        public boolean apply(PublicIPAddress input) {
            return networkId.equals(checkNotNull(input, "ipaddress").getAssociatedNetworkId());
        }

        @Override
        public String toString() {
            return "associatedWithNetwork(" + networkId + ")";
        }
    }

    public static enum Available implements Predicate<PublicIPAddress> {
        INSTANCE;

        @Override
        public boolean apply(PublicIPAddress arg0) {
            return !checkNotNull(arg0, "ipaddress").isSourceNAT() && !arg0.isStaticNAT()
                    && arg0.getVirtualMachineId() == null && arg0.getState() == PublicIPAddress.State.ALLOCATED;
        }

        @Override
        public String toString() {
            return "available()";
        }
    }

    /**
     * 
     * @return true, if the public ip address is not assigned to a VM or NAT rule
     */
    public static Predicate<PublicIPAddress> available() {
        return Available.INSTANCE;
    }

    /**
     * 
     * @return true, if the public ip address is associated with the specified
     *         network
     */
    public static Predicate<PublicIPAddress> associatedWithNetwork(final String networkId) {
        return new AssociatedWithNetwork(networkId);
    }

    /**
     * 
     * @return always returns true.
     */
    public static Predicate<PublicIPAddress> any() {
        return Predicates.alwaysTrue();
    }
}