Show ListUtils.java syntax highlighted
/*
* org.riverock.common - Supporting classes, interfaces, and utilities
*
* Copyright (C) 2006, Riverock Software, All Rights Reserved.
*
* Riverock - The Open-source Java Development Community
* http://www.riverock.org
*
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.riverock.common.collections;
import java.util.List;
import java.util.Iterator;
/**
* @author Sergei Maslyukov
* Date: 10.11.2006
* Time: 21:27:33
* <p/>
* $Id$
*/
public class ListUtils {
public static String listToString(List<Long> list) {
if (list.isEmpty())
return "NULL";
Iterator<Long> iterator = list.iterator();
StringBuilder sb = new StringBuilder();
boolean isFirst = true;
while (iterator.hasNext()) {
Long aLong = iterator.next();
if (isFirst) {
isFirst = false;
}
else {
sb.append( ',' );
}
sb.append( aLong );
}
return sb.toString();
}
}
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