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/*
* ParameterList.java
* Copyright (C) 2003 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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.smtp;
import java.util.ArrayList;
import java.util.List;
/**
* A list of ESMTP parameters.
*
* @author <a href="mailto:dog@gnu.org">Chris Burdess</a>
*/
public final class ParameterList
{
private List parameters = new ArrayList();
/**
* Returns the number of parameters in the list.
*/
public int size()
{
synchronized (parameters)
{
return parameters.size();
}
}
/**
* Returns the parameter at the specified index.
*/
public Parameter get(int index)
{
synchronized (parameters)
{
return(Parameter) parameters.get(index);
}
}
/**
* Adds a new parameter to the list.
*/
public void add(Parameter parameter)
{
synchronized (parameters)
{
parameters.add(parameter);
}
}
/**
* String form.
*/
public String toString()
{
synchronized (parameters)
{
int len = parameters.size();
if (len == 0)
{
return "";
}
StringBuffer buffer = new StringBuffer();
buffer.append(parameters.get(0));
for (int i = 1; i < len; i++)
{
buffer.append(' ');
buffer.append(parameters.get(i));
}
return buffer.toString();
}
}
}
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