TreeCmpException.java

/*
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 */

package treecmp.common;

/**
 *
 * @author Damian
 */
public class TreeCmpException extends Exception {

  private String errMsg;
//----------------------------------------------
// Default constructor - initializes instance variable to unknown
  public TreeCmpException()
  {
    super();             // call superclass constructor
    errMsg = "unknown";
  }

//-----------------------------------------------
// Constructor receives some kind of message that is saved in an instance variable.
  public TreeCmpException(String errMsg)
  {
    super(errMsg);     // call super class constructor
    this.errMsg = errMsg;  // save message
  }

//------------------------------------------------
// public method, callable by exception catcher. It returns the error message.
  public String getError()
  {
    return errMsg;
  }
}