org.jclouds.fujitsu.fgcp.domain.NAT.java Source code

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Here is the source code for org.jclouds.fujitsu.fgcp.domain.NAT.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.fujitsu.fgcp.domain;

import java.util.Set;

import com.google.common.base.Objects;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;

/**
 * Holds the network address translation rules of a firewall.
 * 
 * @author Dies Koper
 */
public class NAT {
    private Set<Rule> rules = Sets.newLinkedHashSet();

    /**
     * @return the rules
     */
    public Set<Rule> getRules() {
        return rules == null ? ImmutableSet.<Rule>of() : ImmutableSet.copyOf(rules);
    }

    @Override
    public int hashCode() {
        return Objects.hashCode(rules);
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        NAT that = NAT.class.cast(obj);
        return Objects.equal(this.rules, that.rules);
    }

    @Override
    public String toString() {
        return Objects.toStringHelper(this).omitNullValues().add("rules", rules).toString();
    }
}