Re: Comparator in the driver

On Wed, 30 Apr 2008 07:51:59 -0400, Matt Humphrey wrote:


Due to the requirements, I can only use a Comparator for the last name
(rather than for City as I had mentioned in my post). I'd like to move
the Comparator outside of the driver, but for now it's fine where it is.

I cleaned up the driver a bit, here's the Comparator from the driver and
ContactInfo:

thufir@arrakis:~/bcit-comp2611-lab3$
thufir@arrakis:~/bcit-comp2611-lab3$ cat src/a00720398/labs/Lab3.java -n
| head -n 48 | tail -n 13
    36
    37 static final Comparator<Guest> BY_NAME =
        new Comparator<Guest>(){
    38 public int compare(Guest g1, Guest g2){
    39 ContactInfo c1 = g1.getContactInfo();
    40 ContactInfo c2 = g2.getContactInfo();
    41 System.out.println("******************");
    42 String s1 = c1.getLastName();
    43 String s2 = c2.getLastName();
    44 int foo = s1.compareTo(s2);
    45 System.out.println(foo);
    46 return 0;
    47 }
    48 };
thufir@arrakis:~/bcit-comp2611-lab3$
thufir@arrakis:~/bcit-comp2611-lab3$ cat src/a00720398/data/
ContactInfo.java
/**
 * ContactInfo.java
 *
 */

package a00720398.data;

public class ContactInfo
{
    
        private String
                lastName = "foo",
                firstName = "foo",
                phoneNumber = "foo",
                emailAddress = "foo",
                street = "foo",
                city = "foo",
                province = "foo",
                postalCode = "foo",
                country = "foo";

        /**forbidden constructor*/
        private ContactInfo (){}

        /**only this constructor is currently allowed*/
        public ContactInfo (String[] guestData, String[] addressData){
                lastName = (guestData[0]);
                firstName = (guestData[1]);
                phoneNumber = (guestData[2]);
                emailAddress = (guestData[3]);
                street = addressData[0];
                city = addressData[1];
                province = addressData[2];
                postalCode = addressData[3];
                country = addressData[4];
        }

        public void setLastName(String lastName){this.lastName =
lastName;}
        public void setFirstName(String firstName){this.firstName =
firstName;}
        public void setPhoneNumber(String phoneNumber){this.phoneNumber =
phoneNumber;}
        public void setEmailAddress(String emailAddress)
{this.emailAddress = emailAddress;}
        public void setStreet(String street){this.street = street;}
        public void setCity(String city){this.city = city;}
        public void setProvince(String province){this.province =
province;}
        public void setPostalCode(String postalCode){this.postalCode =
postalCode;}
        public void setCountry(String country){this.country = country;}

        public String getFirstName(){ return firstName;}
        public String getLastName(){return lastName;}
        public String getPhoneNumber(){return phoneNumber;}
        public String getEmailAddress(){return emailAddress;}
        public String getStreet(){return street;}
        public String getCity(){return city;}
        public String getProvince(){return province;}
        public String getPostalCode(){return postalCode;}
        public String getCountry(){return country;}

        public int compareTo(ContactInfo c2) {return getCity().compareTo
(c2.getCity());}
        public int hashCode(){return 31*getFirstName().hashCode() +
getLastName().hashCode();}

        public boolean equals(Object o){
                if (!(o instanceof ContactInfo))
                        return false;
                ContactInfo c = (ContactInfo)o; //only cast if
it's a ContactInfo
                        return c.getFirstName().equals(getFirstName()) &&
                                                c.getLastName().equals
(getLastName());
        }

        public String toString (){
                return "\nCONTACT INFO" +
                        "\nfirstName:\t" + getFirstName() +
                        "\nlastname:\t" + getLastName() +
                        "\nphone number:\t" + getPhoneNumber () +
                        "\ne-mail address:\t" + getEmailAddress () +
                        "\nstreet:\t\t" + getStreet() +
                        "\ncity:\t\t" + getCity() +
                        "\nprovince:\t" + getProvince() +
                        "\npostal code:\t" + getPostalCode() +
                        "\ncountry:\t" + getCountry() + "\n";
        }
    
}
thufir@arrakis:~/bcit-comp2611-lab3$
thufir@arrakis:~/bcit-comp2611-lab3$

Guest is a very sill class, it just holds ContactInfo, for what it's
worth.

thanks,

Thufir