/* $Revision$ $Author$ $Date$
*
* Copyright (C) 2008 Egon Willighagen <egonw@users.sf.net>
*
* Contact: cdk-devel@lists.sourceforge.net
*
* This program 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 program 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 program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.openscience.cdk.tools.diff;
import org.openscience.cdk.annotations.TestClass;
import org.openscience.cdk.annotations.TestMethod;
import org.openscience.cdk.interfaces.IChemObject;
import org.openscience.cdk.interfaces.IIsotope;
import org.openscience.cdk.tools.diff.tree.ChemObjectDifference;
import org.openscience.cdk.tools.diff.tree.DoubleDifference;
import org.openscience.cdk.tools.diff.tree.IDifference;
import org.openscience.cdk.tools.diff.tree.IntegerDifference;
/**
* Compares two {@link IIsotope} classes.
*
* @author egonw
* @cdk.module diff
*/
@TestClass("org.openscience.cdk.tools.diff.IsotopeDiffTest")
public class IsotopeDiff {
@TestMethod("testMatchAgainstItself,testDiff")
public static String diff(IChemObject first, IChemObject second) {
IDifference diff = difference(first, second);
if (diff == null) {
return "";
} else {
return diff.toString();
}
}
@TestMethod("testDifference")
public static IDifference difference(IChemObject first, IChemObject second) {
if (!(first instanceof IIsotope && second instanceof IIsotope)) {
return null;
}
IIsotope firstElem = (IIsotope)first;
IIsotope secondElem = (IIsotope)second;
ChemObjectDifference totalDiff = new ChemObjectDifference("IsotopeDiff");
totalDiff.addChild(IntegerDifference.construct("MN", firstElem.getMassNumber(), secondElem.getMassNumber()));
totalDiff.addChild(DoubleDifference.construct("EM", firstElem.getExactMass(), secondElem.getExactMass()));
totalDiff.addChild(DoubleDifference.construct("AB", firstElem.getNaturalAbundance(), secondElem.getNaturalAbundance()));
totalDiff.addChild(ElementDiff.difference(first, second));
if (totalDiff.childCount() > 0) {
return totalDiff;
} else {
return null;
}
}
}