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package com.alachisoft.ncache.client.internal.communication;

//  Copyright (c) 2020 Alachisoft
//
//  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


import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;

/**
 *
 */
public class AddressUtil {
    private boolean _isLocalAddress = false;

    public final boolean getIsLocalAddres() {
        return _isLocalAddress;
    }

    public final boolean verifyLocalAddress(InetAddress address) {
        try {
            // Check if the address is a valid special local or loop back
            if (address.equals(InetAddress.getLocalHost()) || address.isLoopbackAddress()){
                _isLocalAddress = true;
            }
            // Check if the address is defined on any interface
            else
                _isLocalAddress = NetworkInterface.getByInetAddress(address) != null;

        } catch (Exception e) {
            _isLocalAddress = false;
        }
        return _isLocalAddress;
    }
}




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