/*
 * 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)
 * Nitin Khanna, Hughes Systique Corp. (Reason: Android specific change, optmization, bug fix) 
 */

package org.zoolu.sdp;

/* HSC CHANGE START */
/* import org.zoolu.tools.Parser; */
/* HSC CHANGE END */

/**
 * SDP attribute field.
 * <p>
 * <BLOCKQUOTE>
 * 
 * <PRE>
 *    attribute-fields = &quot;a=&quot; (att-field &quot;:&quot; att-value) | att-field CRLF
 * </PRE>
 * 
 * </BLOCKQUOTE>
 */
public class AttributeField extends SdpField {
	/** Creates a new AttributeField. */
	public AttributeField(String attribute) {
		super('a', attribute);
	}

	/** Creates a new AttributeField. */
	public AttributeField(String attribute, String a_value) {
		super('a', attribute + ":" + a_value);
	}

	/** Creates a new AttributeField. */
	public AttributeField(SdpField sf) {
		super(sf);
	}

	/** Gets the attribute name. */
	public String getAttributeName() {
		int i = value.indexOf(":");
		if (i < 0)
			return value;
		else
			return value.substring(0, i);
	}

	/** Gets the attribute value. */
	public String getAttributeValue() {
		int i = value.indexOf(":");
		if (i < 0)
			return null;
		else
			return value.substring(i + 1);
	}

}
