//==============================================================================
// Test.java
//==============================================================================

package tribble.search.disk;


// System imports

import java.io.PrintStream;

import java.lang.Exception;
import java.lang.String;

import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.Enumeration;


// Local imports

import tribble.search.DocumentI;
import tribble.search.DocumentSearcherI;

import tribble.search.disk.FDirectory;


/*******************************************************************************
* Test driver program for this package.
*
* @version	$Revision: 1.3 $ $Date: 2001/06/18 03:05:16 $
* @since	2001-05-11
* @author
*	David R. Tribble
*	(<a href="mailto:david@tribble.com">david@tribble.com</a>).
*	<br>
*	<a href="../../Copyright.html">Copyright</a>
*	©2001 by David R. Tribble, all rights reserved. <br>
*
* @see	FDirectory
*/

class Test
{
// Identification

    /** Revision information. */
    static final String		REV =
        "@(#)tribble/search/disk/Test.java $Revision: 1.3 $ $Date: 2001/06/18 03:05:16 $\n";

    /** This package name. */
    static final String		PACKAGE =
        "tribble.search.disk";

    /** This class name. */
    static final String		CLASS =
        "Test";


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Public constants

    /** Series number. */
    public static final int	SERIES =	100;


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Private constants

    //----------------------------------
    // Program termination codes.

    private static final int	RC_OKAY =	0;
    private static final int	RC_USAGE =	255;


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Private variables

    /** Directory file searcher. */
    private DocumentSearcherI	m_searcher;

    /** Date formatter. */
    private SimpleDateFormat	m_sdf =
        new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Public static methods

    /***************************************************************************
    * Test driver.
    *
    * @param	args
    * Command line arguments.
    *
    * @since	1.1, 2001-05-11
    */

    public static void main(String[] args)
    {
        // Execute this test driver
        (new Test()).run(args);
        System.exit(RC_OKAY);
    }


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Private constructors

    /***************************************************************************
    * Default constructor.
    *
    * @since	1.1, 2001-05-11
    */

    private Test()
    {
        // Do nothing
    }


// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
// Private methods

    /***************************************************************************
    * Display a program usage message, then punt.
    *
    * @return
    * Doesn't, but calls <tt>System.exit()</tt> instead.
    *
    * @since	1.1, 2001-05-11
    */

    private void usage()
    {
        // Display a program usage message
        System.out.println("Test driver for " + PACKAGE);
        System.out.println();

        System.out.println("usage:  java " + PACKAGE + "." + CLASS
            + " dir...");
        System.out.println();

        // Punt
        System.exit(RC_USAGE);
    }


    /***************************************************************************
    * Test driver.
    *
    * @param	args
    * Command line arguments.
    *
    * @since	1.1, 2001-05-11
    */

    private void run(String[] args)
    {
        int	totalCount;

        // Search each command line arg as a file directory
        totalCount = 0;
        for (int i = 0;  i < args.length;  i++)
        {
            int		count;
            String	dirname;
            Enumeration	iter;

            count = 0;
            try
            {
                // Get the directory name to search
                dirname = args[i];
                if (i > 0)
                    System.out.println();
                System.out.print(dirname);
                System.out.println(":");

                // Set up to search the next file directory
                m_searcher = new FDirectory();
                m_searcher.initialize(null);
                m_searcher.open(dirname);

                // Search the file directory
                iter = m_searcher.find(null);
                while (iter != null  &&  iter.hasMoreElements())
                {
                    DocumentI	doc;

                    // Get the next file
                    doc = (DocumentI) iter.nextElement();
                    count++;
                    totalCount++;

                    // Display info about the file entry
                    showInfo(System.out, doc);
                }

                // Clean up
                if (m_searcher != null)
                {
                    m_searcher.close();
                    m_searcher = null;
                }
            }
            catch (Exception ex)
            {
                // An exception occurred
                System.out.println();
                System.out.println("*** Exception: " + ex);
            }

            // Display a summary
            System.out.println("Entries: " + count);
        }

        // Display a summary
        if (args.length > 1)
        {
            System.out.println();
            System.out.println("Total:   " + totalCount);
        }
    }


    /***************************************************************************
    * Display information about a file.
    *
    * @param	out
    * An output stream to write to.
    *
    * @param	ent
    * A file entry.
    *
    * @since	1.1, 2001-05-11
    */

    private void showInfo(PrintStream out, DocumentI ent)
        throws Exception
    {
        long	len;
        Date	time;

        // Display info about the file
        out.print(ent.isDirectory() ? 'd' : '-');
        out.print(ent.canRead() ?     'r' : '-');
        out.print(ent.canWrite() ?    'w' : '-');
        out.print(' ');

        len = ent.length();
        for (long p = 1000000000;  p > 1;  p /= 10)
        {
            if (len < p)
                out.print(' ');
            else
                break;
        }
        out.print(len);
        out.print("  ");

        time = ent.lastModified();
        out.print(m_sdf.format(time));
        out.print("  ");

        out.print(ent.getName());
        out.println();
    }
}

// End Test.java