/*
* Conditions Of Use
*
* This software was developed by employees of the National Institute of
* Standards and Technology (NIST), an agency of the Federal Government.
* Pursuant to title 15 Untied States Code Section 105, works of NIST
* employees are not subject to copyright protection in the United States
* and are considered to be in the public domain.  As a result, a formal
* license is not needed to use the software.
*
* This software is provided by NIST as a service and is expressly
* provided "AS IS."  NIST MAKES NO WARRANTY OF ANY KIND, EXPRESS, IMPLIED
* OR STATUTORY, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT
* AND DATA ACCURACY.  NIST does not warrant or make any representations
* regarding the use of the software or the results thereof, including but
* not limited to the correctness, accuracy, reliability or usefulness of
* the software.
*
* Permission to use this software is contingent upon your acceptance
* of the terms of this agreement
*
* .
*
*/
/*******************************************************************************
* Product of NIST/ITL Advanced Networking Technologies Division (ANTD).        *
*******************************************************************************/
package gov.nist.javax.sdp.fields;
import gov.nist.core.*;
/**
* Connection Address of the SDP header (appears as part of the Connection field)
*
*@version  JSR141-PUBLIC-REVIEW (subject to change)
*
*@author Olivier Deruelle <deruelle@antd.nist.gov>
*@author M. Ranganathan   <br/>
*
*
*
*/
public class ConnectionAddress extends SDPObject {
    protected Host address;
    protected int ttl;
    protected int port;

    public Host getAddress() {
        return address;
    }
    public int getTtl() {
        return ttl;
    }
    public int getPort() {
        return port;
    }
    /**
    * Set the address member
    */
    public void setAddress(Host a) {
        address = a;
    }
    /**
    * Set the ttl member
    */
    public void setTtl(int ttl) {
        this.ttl = ttl;
    }
    /**
    * Set the port member
    */
    public void setPort(int p) {
        port = p;
    }
    /**
     *  Get the string encoded version of this object
     * @since v1.0
     */
    public String encode() {
        String encoded_string = "";

        if (address != null){
            encoded_string = address.encode();

            //it appears that SDP does not allow square brackets
            //in the connection address (see RFC4566) so make sure
            //we lose them
            if(Host.isIPv6Reference(encoded_string))
            {
                //the isIPv6Reference == true means we have a minimum
                //of 2 symbols, so substring bravely
                encoded_string = encoded_string
                    .substring(1, encoded_string.length()-1);
            }
        }
        if (ttl != 0 && port != 0) {
            encoded_string += Separators.SLASH + ttl + Separators.SLASH + port;
        } else if (ttl != 0) {
            encoded_string += Separators.SLASH + ttl;
        }
        return encoded_string;
    }

    public Object clone() {
        ConnectionAddress retval = (ConnectionAddress) super.clone();
        if (this.address != null)
            retval.address = (Host) this.address.clone();
        return retval;
    }

}