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DSS Document contains the code for the creation and validation of XAdES, CAdES, PAdES and ASiC signatures.

There is a newer version: 6.0.d4j.2

/**
 * DSS - Digital Signature Services
 * Copyright (C) 2015 European Commission, provided under the CEF programme
 * 
 * This file is part of the "DSS - Digital Signature Services" project.
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package eu.europa.esig.dss.validation.timestamp;

import java.io.Serializable;
import java.util.Comparator;
import java.util.List;

import eu.europa.esig.dss.enumerations.TimestampType;

public class TimestampTokenComparator implements Comparator, Serializable {

	private static final long serialVersionUID = 3404578959761631884L;

	@Override
	public int compare(TimestampToken tst1, TimestampToken tst2) {
		
		int result = tst1.getGenerationTime().compareTo(tst2.getGenerationTime());
		
		if (result == 0) {
			TimestampType tst1Type = tst1.getTimeStampType();
			TimestampType tst2Type = tst2.getTimeStampType();
			result = tst1Type.compare(tst2Type);
		}

		if (result == 0) {
			List tst1References = tst1.getTimestampedReferences();
			List tst2References = tst2.getTimestampedReferences();
			if (tst1References != null && tst2References != null) {
				if (tst1References.size() < tst2References.size()) {
					result = -1;
				} else if (tst1References.size() > tst2References.size()) {
					result = 1;
				}
			}
		}
		
		return result;
	}

}