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/*
* PairIterator.java
* Copyright (C) 2002 The Free Software Foundation
*
* This file is part of GNU inetlib, a library.
*
* GNU inetlib is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNU inetlib 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*
* Linking this library statically or dynamically with other modules is
* making a combined work based on this library. Thus, the terms and
* conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give you
* permission to link this library with independent modules to produce an
* executable, regardless of the license terms of these independent
* modules, and to copy and distribute the resulting executable under
* terms of your choice, provided that you also meet, for each linked
* independent module, the terms and conditions of the license of that
* module. An independent module is a module which is not derived from
* or based on this library. If you modify this library, you may extend
* this exception to your version of the library, but you are not
* obliged to do so. If you do not wish to do so, delete this
* exception statement from your version.
*/
package gnu.inet.nntp;
import java.io.IOException;
import java.util.NoSuchElementException;
/**
* An iterator over a pair listing.
*
* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
*/
public class PairIterator
extends LineIterator
{
PairIterator(NNTPConnection connection)
{
super(connection);
}
/**
* Returns the next pair.
*/
public Object next()
{
try
{
return nextPair();
}
catch (IOException e)
{
throw new NoSuchElementException("I/O error: " + e.getMessage());
}
}
/**
* Returns the next pair.
*/
public Pair nextPair()
throws IOException
{
String line = nextLine();
// Parse line
int start = 0, end;
end = line.indexOf(' ', start);
String key = line.substring(start, end);
start = end + 1;
String value = line.substring(start);
return new Pair(key, value);
}
}
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