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.core.alignment.matrices; 022 023/** Factory class to get Providers for substitution matrices the are provided by the AAINDEX database. 024 * 025 * @author Andreas Prlic 026 * 027 */ 028public class AAindexFactory { 029 030 031 private static AAIndexProvider provider = null; 032 033 public static AAIndexProvider getAAIndexProvider() { 034 if ( provider == null) 035 provider = new DefaultAAIndexProvider(); 036 return provider; 037 } 038 039 public static void setAAIndexProvider(AAIndexProvider provider) { 040 AAindexFactory.provider = provider; 041 } 042 043 044 045 046}