/** Class condition
 *
 * Specifies a "condition", such as "name greater than 'Joe'" or "date not equal to 9/9/99".
 * Used in applying the mail filtering rules.
 *
 * @author Chris Kern
 * @author Erin Nichols
 * @author Joe Simonson
 * @version 0.20 of Oct 1999
 */

public class Condition {

    /*+--------------+
     *|    Fields    |
     *+--------------+
     */

    /* Each "Condition" has three parts. */

    // 1. A "header", such as "Name", "Date", or "MessageID".
    protected String header;

    // 2. An "operator", such as "<", "!=", or ">=".
    // XXX perhaps a class should be made for operator?
    protected String operator;

    // 3. A "target", such as "Joe", "9/9/99", or "[zangband]*"
    // XXX target needs to be able to accept wildcards..perhaps another class?
    protected String target;


    /*+--------------+
     *| Constructors |
     *+--------------+
     */

    /** Null constructor */
    public Condition() {

    }

    /** Full constructor */
    public Condition(String head, String operate, String targ) {

    }

    /*+-----------+
     *|  Methods  |
     *+-----------+
     */

    /** Extract the header */
    public String getHeader() {
      return this.header;		// SAMR
    }

    /** Extract the operator */
    public String getOperator() {
      return this.operator;		// SAMR
    }
    
    /** Extract the target */
    public String getTarget() {
      return this.target;		// SAMR
    }
    
    /** Set the header */
    public String setHeader(String head) {
      String oldhead = this.header;	// SAMR
      this.header = head;		// SAMR
      return oldhead;			// SAMR
    }
    
    /** Set the operator */
    public String setOperator(String operat) {
      String oldop = this.operator;	// SAMR
      this.operator = operat;		// SAMR
      return oldop;			// SAMR
    }
    
    /** Set the target */
    public String setTarget(String targ) {
      String bullseye = this.target;	// SAMR
      this.target = targ;		// SAMR
      return bullseye;			// SAMR
    }


    /** Determine the truth-value of a "condition". */
    public boolean isRuleTrue() {
      return true;
    }

} // class Condition