// File.java
// class that contains relevant information about created files

import java.util.Vector;

public class File
{
	private String filename; // name of file
	private int characters; // number of characters in the file
	private boolean saved; // file is saved to disk or not
	private Vector < ListNode > sectorsUsed; // list of the sectors that the file occupies

	// constructor
	public File( String name )
	{
		this ( name, 0, null, false );
	} // end constructor


	// constructor
	public File( String name, int num)
	{

		this ( name, num, null, false );
	} // end constructor


		// constructor
	public File( String name, int num, Vector sectors, boolean flag )
	{
		setFileName( name );
		setCharacters( num );
		sectors = new Vector < ListNode > ( 0, 1 );
		setSectorsUsed( sectors );
		saved = flag;
	} // end constructor


	// set filename
	public void setFileName( String name )
	{
		filename = name;
	} // end method setFileName


	// set number of characters
	public void setCharacters( int num )
	{
		characters = ( num < 0 ? 0 : num );
	} // end method setCharacters


	// set sector list
	public void setSectorsUsed( Vector sectors )
	{
		sectorsUsed = sectors;
	} // end method setSectorList


	// get filename
	public String getFileName()
	{
		return filename;
	} // end method getFileName


	// get number of characters
	public int getCharacters()
	{
		return characters;
	} // end method getCharacters


	// get Sector list
	public Vector getSectorsUsed()
	{
		return sectorsUsed;
	} // end getSectorList


	// empty the vector of nodes
	public void clearSectorsUsed()
	{
		sectorsUsed.removeAllElements();
	} // end method clearVector


	// return the number of sectors needed to store file
	public int getSectorsNeeded()
	{
		if ( characters % 4 == 0 )
			return characters / 4;
		else
			return characters / 4 + 1;
	} // end method getSectorsNeeded


	// set saved variable
	public void setSaved( boolean flag )
	{
		saved = flag;
	} // end method setSave


	// get save variable
	public boolean getSaved()
	{
		return saved;
	} // end method


	// print Sectors used to store a file
	public String printSectorsUsed()
	{
		Vector v = getSectorsUsed();
		ListNode node;
		Sector sec;
		String string = "";

		for( int i = 0; i < v.size(); i++ )
		{
			node = ( ListNode ) v.get(i);
			sec = ( Sector ) node.getObject();

			if ( i == v.size() - 1 )
				string += sec.toString();
			else
				string += sec.toString() + ", ";
		} // end for
		return string;
	} // end method


	// toString
	public String toString()
	{
		return String.format( "%s ", filename );
	} // end method toString
} // end class FileData