/*
* Copyright (C) 2010 eXo Platform SAS.
*
* This 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; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wikbook.text;
/**
* @author <a href="mailto:julien.viet@exoplatform.com">Julien Viet</a>
* @version $Revision$
*/
public final class Position
{
public static Position get(int line, int column)
{
return new Position(line, column);
}
/** . */
final int line;
/** . */
final int column;
private Position(int line, int column)
{
if (line < 0)
{
throw new IllegalArgumentException();
}
if (column < 0)
{
throw new IllegalArgumentException();
}
this.line = line;
this.column = column;
}
public int getLine()
{
return line;
}
public int getColumn()
{
return column;
}
@Override
public int hashCode()
{
return (line + 1) * (column + 1);
}
@Override
public boolean equals(Object o)
{
return (o == this) || (o instanceof Position && line == ((Position)o).line && column == ((Position)o).column);
}
@Override
public String toString()
{
return "Coordinate[line=" + line + ",column=" + column + "]";
}
}