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// Copyright (c) 2007-Present Pivotal Software, Inc.  All rights reserved.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 1.1 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2.  For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// [email protected].


package io.bitsensor.plugins.shaded.com.rabbitmq.client;

/**
 * A representation of network addresses, i.e. host/port pairs,
 * with some utility functions for parsing address strings.
*/
public class Address {
    /** host name **/
    private final String _host;
    /** port number **/
    private final int _port;

    /**
     * Construct an address from a host name and port number.
     * @param host the host name
     * @param port the port number
     */
    public Address(String host, int port) {
        _host = host;
        _port = port;
    }

    /**
     * Construct an address from a host.
     * @param host the host name
     */
    public Address(String host) {
        _host = host;
        _port = ConnectionFactory.USE_DEFAULT_PORT;
    }

    /**
     * Get the host name
     * @return the host name
     */
    public String getHost() {
        return _host;
    }

    /**
     * Get the port number
     * @return the port number
     */
    public int getPort() {
        return _port;
    }

    /**
     * Factory method: takes a formatted addressString string as construction parameter
     * @param addressString an addressString of the form "host[:port]".
     * @return an {@link Address} from the given data
     */
    public static Address parseAddress(String addressString) {
        int idx = addressString.indexOf(':');
        return (idx == -1) ?
            new Address(addressString) :
            new Address(addressString.substring(0, idx),
                        Integer.parseInt(addressString.substring(idx+1)));
    }

    /**
     * Array-based factory method: takes an array of formatted address strings as construction parameter
     * @param addresses array of strings of form "host[:port],..."
     * @return a list of {@link Address} values
     */
    public static Address[] parseAddresses(String addresses) {
        String[] addrs = addresses.split(" *, *");
        Address[] res = new Address[addrs.length];
        for (int i = 0; i < addrs.length; i++) {
            res[i] = Address.parseAddress(addrs[i]);
        }
        return res;
    }

    @Override public int hashCode() {
        return 31 * _host.hashCode() + _port;
    }

    @Override public boolean equals(Object obj) {
        if(this == obj)
            return true;
        if (obj == null || getClass() != obj.getClass())
            return false;
        final Address addr = (Address)obj;
        return _host.equals(addr._host) && _port == addr._port;
    }

    @Override public String toString() {
        return _port == -1 ? _host : _host + ":" + _port;
    }

}