clubmember.java

Java程序设计高级教程（第三版）

package com.nearhills;
 
import java.sql.SQLException;
import java.util.*;

import com.nearhills.*;


public class ClubMember {
   private String firstName;
   private String lastName;
   private String middleName;
   private String phoneNumber;
   private String ability;
   private int id;
   
   public ClubMember()  
   {
      super();
   }
 
   public String getAbility() {
      return ability;
   }
 
   public String getFirstName() {
      return firstName;
   }
 
   public int getId() {
      return id;
   }
 
   public String getLastName() {
      return lastName;
   }
 
   public String getMiddleName() {
      return middleName;
   }
 
   public String getPhoneNumber() {
      return phoneNumber;
   }
 
   public void setAbility( String ability) 
   {
      this.ability=ability;
   }
 
   public void setFirstName( String firstName ) 
      throws BadDataException 
   { 
      if ( firstName.length() == 0 ) {
         throw new BadDataException 
            ( "You must supply a first name." );
      }
      this.firstName=firstName;
   }
 
   public void setId(int id) {
      this.id = id;
   }

   public void setLastName( String lastName ) 
      throws BadDataException 
   { 
      if ( lastName.length() == 0  ) {
        throw new BadDataException 
           ( "You must supply a last name." );
      };
      this.lastName=lastName;
   }
 
   public void setMiddleName( String middleName) 
   {
      if ( middleName == null ) {
         middleName = "";
      }
      this.middleName=middleName;
   }

   public void setPhoneNumber( String phoneNumber)
      throws BadDataException 
   {
      phoneNumber = phoneNumber.trim();
      if ( ( phoneNumber.length() != 10 ) &&
         ( phoneNumber.length() != 7 ) ) {
         throw new BadDataException( 
             "Phone number must be 7 or 10 digits " +
             "you supplied " + phoneNumber.length() +
             " characters." );
      }
      try {
         long number = Long.parseLong ( phoneNumber );
         this.phoneNumber=phoneNumber;
      } catch ( NumberFormatException e ) {
         throw new BadDataException ( 
            "Phone number must be 7 or 10 digits." );
      }
   }
 
   public synchronized void store() throws BadDataException,
      SQLException, DBopException
   {
      if ( id == 0 ) {
         setId( SkiClubDB.getNextId() );
      } else {
         throw new BadDataException( 
            "Your ID must be a positive integer.");
      }
      checkDuplicateName();
      SkiClubDB.addMember(this);
   }

   private void checkDuplicateName() 
      throws BadDataException, DBopException, SQLException 
  { 
      ClubMember other = SkiClubDB.getMemberByName(
         getFirstName(), getLastName() );
      if ( ( other != null ) && 
           ( other.getId() != getId() ) ) {
         throw new BadDataException (
            "Duplicate member name not allowed: " +
            getFirstName() + " " + getLastName() );
      }
   }

   public void update() 
      throws DBopException,SQLException,BadDataException
   {
      checkDuplicateName();
      SkiClubDB.updateMember(this); 
   }

   public Vector getBookedTrips() throws DBopException
   {   
       return SkiClubDB.retrieveBookings( id );
   }

   public int[] getTripStatus()
      throws DBopException
   {
      Vector allTrips = SkiTrip.getAllTrips();
      int []tripStatus = new int[allTrips.size()]; 
         for ( int i = 0; i < tripStatus.length; i++ ) {
            tripStatus[i] = SkiTrip.FULL;
            if ( ( (SkiTrip) allTrips.elementAt(i) ).
                  getCapacity() == 0 ) {
               tripStatus[i] = SkiTrip.NOTRIP;
            } else if ( ( (SkiTrip) allTrips.elementAt(i) ). 
                  isAvailable() ) {
               tripStatus[i] = SkiTrip.AVAILABLE;
            }
         }
         Enumeration cursor = getBookedTrips().elements();
         while ( cursor.hasMoreElements() ) {
            tripStatus[ ( (Integer) cursor.nextElement() ).
               intValue() - 1 ] = SkiTrip.BOOKED;
         } 
      return tripStatus;
   }
    
   public void book( int tripId )
      throws DBopException, SQLException, BadDataException
   {  try {
         Booking booking = new Booking( id, tripId );
         booking.add();
      } catch( BookingException e ) {
         throw new BadDataException( e.getMessage() );
      }
      return;
   }
 
   public void cancel( int tripId )
      throws DBopException, SQLException, BadDataException
   {
      try {
         Booking booking = new Booking( id, tripId );
         booking.drop();
      } catch( BookingException e ) {
         throw new BadDataException( e.getMessage() );
      }
      return;
   }
}