001/*
002 *                    BioJava development code
003 *
004 * This code may be freely distributed and modified under the
005 * terms of the GNU Lesser General Public Licence.  This should
006 * be distributed with the code.  If you do not have a copy,
007 * see:
008 *
009 *      http://www.gnu.org/copyleft/lesser.html
010 *
011 * Copyright for this code is held jointly by the individual
012 * authors.  These should be listed in @author doc comments.
013 *
014 * For more information on the BioJava project and its aims,
015 * or to join the biojava-l mailing list, visit the home page
016 * at:
017 *
018 *      http://www.biojava.org/
019 *
020 */
021package org.biojava.nbio.structure.domain;
022
023import java.io.IOException;
024
025
026/** A simple factory object that returns the system wide default DomainProvider
027 *
028 * @author andreas
029 *
030 */
031public class DomainProviderFactory {
032
033        private DomainProviderFactory(){
034
035        }
036
037        static DomainProvider domainProvider ;
038
039
040
041        public static void setDomainProvider(DomainProvider provider){
042                domainProvider = provider;
043
044        }
045
046        public static DomainProvider getDomainProvider() throws IOException{
047                if ( domainProvider == null)
048                        domainProvider = new RemoteDomainProvider(true);
049
050                return domainProvider;
051        }
052}