/**
 * Contains a name and an array of email addresses.
 * @author Khong Lovan
 * @author Elias Vafiadis
 * @author Anthony Nakaar
 * @author Wanlin Liu
 * version 2.0 of October, 1999
 */

public class Address {
    
    //+--------+---------------------------------------------------------------
    //| Fields |
    //+--------+
    
    /* A name of the person who can be reached at the email address. */
    Name name;

    /* An email addresse. */
    String emailAddress;

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

    /**
     * Create a new instance of class Address with the product of the
     * toString method of the Address class.
     * @exception if the string is not convertible.
     */
    public Address (String fromToString) 
        throws Exception {
        // Get the name
        // Get the index of the last comma,the one before the email address.
        int comma = fromToString.lastIndexOf(",");
        // If the index is invalid, throw an exception.
        if (comma == -1) {
            throw new Exception("Invalid");
        }// if
        // If the index is valid, get the name object.
        this.name = new Name(fromToString.substring(0,comma));
        // Get the address
        this.emailAddress = fromToString.substring(comma+1);
    } // Address(String)


    public Address (Name nme, String emailAdd){
        name = nme;
        emailAddress = new String();
        emailAddress = emailAdd;
    } // getName

    

    //+------------+----------------------------------------------------------
    //| Extractors |
    //+------------+

    /**
     * Purpose: returns the name of the user.
     * Parameters: no parameters.
     * Pre: it has to be initialized.
     * Post: none.
     * Return Type: an object.
     * Problems: throws no exception.
     */
    public Name getName() {
        return this.name;
    } //getName()

    /**
     * Purpose: returns the email address of the user.
     * Parameters: no parameters.
     * Pre: it has to be initialized.
     * Post: none.
     * Return Type: a string.
     * Problems: throws no exception.
     */
    public String getEmailAddress() {
        return this.emailAddress;
    } //getEmailAddress()

    //+-----------+---------------------------------------------------------
    //| Modifiers |
    //+-----------+    

    /**
     * Purpose: modifies the name of the user.
     * Parameters: name.
     * Pre: it has to be initialized - there must be a name entered already.
     * Post: takes the original name and returns the modified one.
     * Return Type: none.
     * Problems: throws no exception.
     */
    public void setName(Name name) {
        this.name = name;
    } //setName()

    /**
     * Purpose: modifies the email address of the user.
     * Parameters: emailAddress.
     * Pre: it has to be initialized - there must be an email address already.
     * Post: takes the original email address and returns the modified one.
     * Return Type: none.
     * Problems: throws no exception.
     */
    public void setEmailAddress(String emailAddress) {
        this.emailAddress = emailAddress;
    } //setEmailAddress()


    //+--------------+------------------------------------------------------
    //| Capabilities |
    //+--------------+

    /**
     * Purpose: converts any information into a string.
     * Parameters: no parameters.
     * Pre: it has to be initialized.
     * Post: takes any information and returns the string version of it.
     * Return Type: a string.
     * Problems: throws no exception.
     */
    public String toString(Name name) {
        return  name.toString() + "," + emailAddress;
    } //toString(Name)

} // class Address