/**
    *
    * Copyright (C) 2011 Cloud Conscious, LLC. <info@cloudconscious.com>
    *
    * ====================================================================
    * Licensed 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.vcloud.domain.network;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  /**
   * The IpRange element defines a range of IP addresses available on a network.
   * 
   */
  public class IpRange {
     private final String startAddress;
     private final String endAddress;
  
     public IpRange(String startAddress, String endAddress) {
        this.startAddress = checkNotNull(startAddress, "startAddress");
        this.endAddress = checkNotNull(endAddress, "endAddress");
     }
  
     /**
      * @return lowest IP address in the range
      * 
      * @since vcloud api 0.9
      */
     public String getStartAddress() {
        return startAddress;
     }
  
     /**
      * @return highest IP address in the range
      * 
      * @since vcloud api 0.9
      */
     public String getEndAddress() {
        return endAddress;
     }
  
     @Override
     public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + ((endAddress == null) ? 0 : endAddress.hashCode());
        result = prime * result + ((startAddress == null) ? 0 : startAddress.hashCode());
        return result;
     }
  
     @Override
     public boolean equals(Object obj) {
        if (this == obj)
           return true;
        if (obj == null)
           return false;
        if (getClass() != obj.getClass())
           return false;
        IpRange other = (IpRange) obj;
        if (endAddress == null) {
           if (other.endAddress != null)
              return false;
        } else if (!endAddress.equals(other.endAddress))
           return false;
        if (startAddress == null) {
           if (other.startAddress != null)
              return false;
        } else if (!startAddress.equals(other.startAddress))
           return false;
        return true;
     }
  
     @Override
     public String toString() {
        return "[startAddress=" + startAddress + ", endAddress=" + endAddress + "]";
     }
  }