/*****************************************************************
JADE - Java Agent DEvelopment Framework is a framework to develop
multi-agent systems in compliance with the FIPA specifications.
Copyright (C) 2000 CSELT S.p.A. 

GNU Lesser General Public License

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation, 
version 2.1 of the License. 

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA  02111-1307, USA.
*****************************************************************/

package jade.domain.FIPAAgentManagement;

import jade.util.leap.Serializable;
import java.util.Date;

import jade.content.*;

/** 
* This class implements the <code>received-object</code> object from
* the FIPA Agent Management ontology.
* @see jade.domain.FIPAAgentManagement.FIPAManagementOntology
* @author Fabio Bellifemine - CSELT S.p.A.
* @version $Date: 2008-10-09 14:04:02 +0200 (gio, 09 ott 2008) $ $Revision: 6051 $
*/
public class ReceivedObject implements Concept, Serializable {

    private String by;
    private String from;
    private Date date;
    private String id;
    private String via;


    /**
     * The constructor initializes the date to current time and all
     * the Strings to empty strings.
     **/
    public ReceivedObject() {
	date = new Date();
	by = "";
	from = "";
	id = "";
	via = "";
    }


    /**
       Set the <code>by</code> slot of this object.
       @param b The identifier for the ACC that received the envelope
       containing this object.
    */
    public void setBy(String b) {
    	by = b;
    }

    /**
       Retrieve the <code>by</code> slot of this object. This slot
       identifies the ACC that received the envelope containing this
       object.
       @return The value of the <code>by</code> slot of this object,
       or <code>null</code> if no value was set.
    */
    public String getBy() {
	return by;
    }

    /**
       Set the <code>from</code> slot of this object.
       @param f The identifier for the ACC that sent the envelope
       containing this object.
    */
    public void setFrom(String f) {
	from = f;
    }

    /**
       Retrieve the <code>from</code> slot of this object. This slot
       identifies the ACC that sent the envelope containing this
       object.
       @return The value of the <code>from</code> slot of this object,
       or <code>null</code> if no value was set.
    */
    public String getFrom() {
	return from;
    }

    /**
       Set the <code>date</code> slot of this object.
       @param d The date when the envelope containing this object was
       sent.
    */
    public void setDate(Date d) {
	date = d;
    }

    /**
       Retrieve the <code>date</code> slot of this object. This slot
       identifies the date when the envelope containing this object
       was sent.
       @return The value of the <code>date</code> slot of this object,
       or <code>null</code> if no value was set.
    */
    public Date getDate() {
	return date;
    }

    /**
       Set the <code>id</code> slot of this object.
       @param i A unique id for the envelope containing this object.
    */
    public void setId(String i) {
	id = i;
    }

    /**
       Retrieve the <code>id</code> slot of this object. This slot
       uniquely identifies the envelope containing this object.
       @return The value of the <code>id</code> slot of this object,
       or <code>null</code> if no value was set.
    */
    public String getId() {
	return id;
    }

    /**
       Set the <code>via</code> slot of this object.
       @param v The name of the MTP over which the envelope containing
       this object was sent.
    */
    public void setVia(String v) {
	via = v;
    }

    /**
       Retrieve the <code>via</code> slot of this object. This slot
       describes the MTP over which the envelope containing this
       object was sent.
       @return The value of the <code>via</code> slot of this
       envelope, or <code>null</code> if no value was set.
    */
    public String getVia() {
	return via;
    }

    /**
     * Retrieve a string representation for this received object.
     * @return an SL0-like String representation of this object 
     **/
    public String toString() {
	String s = "(ReceivedObject ";
	if (date != null)
	    s = s + " :date "+date.toString();
	if ((by != null) && (by.trim().length()>0))
	    s = s + " :by "+by;
	if ((from != null) && (from.trim().length()>0))
	    s = s + " :from "+from;
	if ((id != null) && (id.trim().length()>0))
	    s = s + " :id "+id;
	if ((via != null) && (via.trim().length()>0))
	    s = s + " :via "+via;
	return s;
    }


}