/*
	SearchResult.java - October 1999 - Scott Parent
	(except where otherwise noted)
 */
import java.io.*;
import java.net.*;
import java.util.*;
import java.text.SimpleDateFormat;

/**
 * @com.register ( clsid=3BC0D8B2-8981-11D3-91AE-004095013729, typelib=3BC0D8AB-8981-11D3-91AE-004095013729 )
 */
public class SearchResult
	implements java.io.Serializable
{
	private URL m_url = null;
	private String m_title = null;
	private int m_rank = 0;
	private String m_description = null;
	private Date m_lastModified = null;
	private int m_estimatedSize = -1;
	InetAddress m_cachedHostIP = null;
	
	private String m_dateFormatString = "MMddyyyy";
	
	public SearchResult(){}
	public SearchResult( String urlString, String aTitle, int aRank,
						 String aDescription, Date modDate, int estSize)
		throws MalformedURLException
	{
		setURLString( urlString);
		m_title = aTitle;
		m_rank = aRank;
		m_description = aDescription;
		m_lastModified = modDate;
		m_estimatedSize = estSize;
		try {
			getHostIP(); // cache host IP
		} catch( UnknownHostException x){};
	}
	public SearchResult( SearchResult source)
	{
		setURL( source.getURL());
		m_title = source.getTitle();
		m_rank = source.getRank();
		m_description = source.getDescription();
		m_lastModified = source.getLastModifiedDate();
		m_estimatedSize = source.getEstimatedSize();
	}
	public SearchResult(String s) // takes tab-delimited string
		throws MalformedURLException, java.text.ParseException
	{
		/*
			Deserializer - 10/29/99 - Tom Yoo
			str[0] = URL
			str[1] = Title
			str[2] = Rank
			str[3] = Description
			str[4] = LastModified
			str[5] = PageSize
		*/
		StringTokenizer m = new StringTokenizer( s, "\t");
		SimpleDateFormat f = new SimpleDateFormat( m_dateFormatString);
		setURLString( m.nextToken());
		m_title = m.nextToken();
		m_rank = Integer.parseInt( m.nextToken());
		m_description = m.nextToken();
		String dateString = m.nextToken();
		m_lastModified = f.parse( dateString);
		m_estimatedSize = Integer.parseInt( m.nextToken());
	}

	public URL getURL(){ return m_url;}
	public void setURL( URL newURL){ m_url = newURL;}
	public String getURLString(){ return m_url.toString();}
	public void setURLString( String newString) throws MalformedURLException
	{ 
		m_url = new URL( newString);
	}
	public String getTitle(){ return m_title;}
	public int getRank() { return m_rank;}
	public String getDescription(){ return m_description;}
	public Date getLastModifiedDate(){ return m_lastModified;}
	public int getEstimatedSize() { return m_estimatedSize;}
	public long getAge() { 
		long aDay = 60 * 60 * 24;
		Date today = new Date();
		return (m_lastModified.getTime() - today.getTime()) / aDay;
	}
	public String getHostName(){
		return m_url.getHost();
	}
	public byte[] getHostIP() throws UnknownHostException {
		if( m_cachedHostIP == null) {
			m_cachedHostIP = InetAddress.getByName( getHostName());
		}
		return m_cachedHostIP.getAddress();
	}
	/*
		Tab-delimited serialization format:
<URL>\t<Title>\t<Rank>\t<Description>\t<LastModified (as mmddyyyy)>\tPageSize
	*/
	public String toString()
	{
		SimpleDateFormat f = new SimpleDateFormat( m_dateFormatString);
		String returnValue;
		returnValue = getURL() + "\t" + m_title + "\t" + m_rank + 
					  "\t" + m_description + "\t" + 
					  f.format( m_lastModified) +
					  "\t" + Integer.toString( m_estimatedSize);
		return returnValue;
	}
}