/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * MjSip is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri (luca.veltri@unipr.it)
 */

package org.zoolu.sip.address;

import org.zoolu.sip.provider.SipParser;

/**
 * Class <i>NameAddress</i> is used to rapresent any valid SIP Name Address. It
 * contains a SIP URI and optionally a display name. <BR>
 * A SIP Name Address is a string of the form of: <BR>
 * <BLOCKQUOTE>
 * 
 * <PRE>
 * &amp;nbsp&amp;nbsp [ display-name ] address
 * <BR>
 * &amp;nbsp&amp;nbsp where address can be a valid SIP URL
 * </PRE>
 * 
 * </BLOCKQUOTE>
 */
public class NameAddress {
	String name;
	SipURL url;

	public NameAddress(String displayname, SipURL sipurl) {
		name = displayname;
		url = sipurl;
	}

	public NameAddress(SipURL sipurl) {
		name = null;
		url = sipurl;
	}

	public NameAddress(NameAddress name_address) {
		name = name_address.getDisplayName();
		url = name_address.getAddress();
	}

	public NameAddress(String naddr) {
		SipParser par = new SipParser(naddr);
		NameAddress na = par.getNameAddress();
		// DEBUG
		// if (na==null)
		// { System.out.println("DEBUG: NameAddress:
		// par:\r\n"+par.getWholeString());
		// System.exit(0);
		// }
		name = na.name;
		url = na.url;
	}

	/** Creates and returns a copy of NameAddress */
	public Object clone() {
		return new NameAddress(this);
	}

	/** Indicates whether some other Object is "equal to" this NameAddress */
	public boolean equals(Object obj) {
		NameAddress naddr = (NameAddress) obj;
		return url.equals(naddr.getAddress());
	}

	/** Gets address of NameAddress */
	public SipURL getAddress() {
		return url;
	}

	/**
	 * Gets display name of NameAddress (Returns null id display name does not
	 * exist)
	 */
	public String getDisplayName() {
		return name;
	}

	/** Gets boolean value to indicate if NameAddress has display name */
	public boolean hasDisplayName() {
		return name != null;
	}

	/** Removes display name from NameAddress (if it exists) */
	public void removeDisplayName() {
		name = null;
	}

	/** Sets address of NameAddress */
	public void setAddress(SipURL address) {
		url = address;
	}

	/** Sets display name of Header */
	public void setDisplayName(String displayName) {
		name = displayName;
	}

	/** Whether two NameAddresses are equals */
	public boolean equals(NameAddress naddr) {
		return (name == naddr.name && url == naddr.url);
	}

	/** Gets string representation of NameAddress */
	public String toString() {
		String str;
		if (hasDisplayName())
			str = "\"" + name + "\" <" + url + ">";
		else
			str = "<" + url + ">";

		return str;
	}

}
