001 /* 002 * Copyright (C) 2008-2010 by Holger Arndt 003 * 004 * This file is part of the Universal Java Matrix Package (UJMP). 005 * See the NOTICE file distributed with this work for additional 006 * information regarding copyright ownership and licensing. 007 * 008 * UJMP is free software; you can redistribute it and/or modify 009 * it under the terms of the GNU Lesser General Public License as 010 * published by the Free Software Foundation; either version 2 011 * of the License, or (at your option) any later version. 012 * 013 * UJMP is distributed in the hope that it will be useful, 014 * but WITHOUT ANY WARRANTY; without even the implied warranty of 015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 016 * GNU Lesser General Public License for more details. 017 * 018 * You should have received a copy of the GNU Lesser General Public 019 * License along with UJMP; if not, write to the 020 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 021 * Boston, MA 02110-1301 USA 022 */ 023 024 package org.ujmp.core.objectmatrix.calculation; 025 026 import org.ujmp.core.Matrix; 027 import org.ujmp.core.exceptions.MatrixException; 028 029 public class Replace extends AbstractObjectCalculation { 030 private static final long serialVersionUID = -1668944121367955215L; 031 032 private Object search = null; 033 034 private Object replace = null; 035 036 public Replace(Matrix matrix, Object search, Object replace) { 037 super(matrix); 038 this.search = search; 039 this.replace = replace; 040 } 041 042 043 public Object getObject(long... coordinates) throws MatrixException { 044 Object src = getSource().getAsObject(coordinates); 045 046 if (search == null) { 047 if (src == null) { 048 return replace; 049 } 050 } else { 051 if (search.equals(src)) { 052 return replace; 053 } 054 } 055 056 return src; 057 } 058 059 }