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/*******************************************************************************
 * Product of NIST/ITL Advanced Networking Technologies Division (ANTD).       *
 *******************************************************************************/
package tools.tracesviewer;

import java.util.Comparator;

/** A class that is used for comparing log records.
*
*@version 1.2
*
*@author M. Ranganathan   

*
*
*
*/

class LogComparator implements Comparator {
    public int compare(Object obj1, Object obj2) {
        try {
            TracesMessage m1 = (TracesMessage) obj1;
            TracesMessage m2 = (TracesMessage) obj2;
            long ts1 = Long.parseLong(m1.getTime());
            long ts2 = Long.parseLong(m2.getTime());
            if ( m1.hashCode() == m2.hashCode()) {
                return 0;
            } else if (ts1 < ts2)
                return -1;
            else if (ts1 > ts2)
                return 1;
            else {
                // Bug fix contributed by Pierre Sandstr?m
                return  m1 != m2 ? 1: 0;
            }
        } catch (NumberFormatException ex) {
            ex.printStackTrace();
            System.exit(0);
            return 0;
        }
    }

    public boolean equals(Object obj2) {
        return super.equals(obj2);

    }

}