package org.jboss.cmp2.crimeportal;import java.io.Serializable;/** * ContactInfo contains a cell number, a pager number, and email * address. */public class ContactInfo     implements Serializable {    /** The cell phone number. */    private PhoneNumber cell;        /** The pager number. */    private PhoneNumber pager;        /** The email address */    private String email;        /**     * Creates empty contact info.     */    public ContactInfo() {    }        /**     * Gets the cell phone number.     * @return the cell phone number     */    public PhoneNumber getCell() {        return cell;    }        /**     * Sets the cell phone number.     * @param cell the new cell phone number.     */    public void setCell(PhoneNumber cell) {        this.cell = cell;    }        /**     * Gets the pager number.     * @return the pager number     */    public PhoneNumber getPager() {        return pager;    }        /**     * Sets the pager number.     * @param pager the new pager number.     */    public void setPager(PhoneNumber pager) {      this.pager = pager;    }        /**     * Gets the email address.     * @return the email address     */    public String getEmail() {        return email;    }        /**     * Sets the email address.     * @param email the new email address     */    public void setEmail(String email) {        this.email = email.toLowerCase();    }        public boolean equals(Object o) {        if (o == this) {            return true;        }        if (!(o instanceof ContactInfo)) {            return false;        }        ContactInfo contactInfo = (ContactInfo)o;        return isEqual(contactInfo.cell, cell) &&            isEqual(contactInfo.pager, pager) &&            isEqual(contactInfo.email, email);    }       /**     * Equals helper method that handles null values.     * @param o1 first object to compare     * @param o2 second object to compare     * @return true if both objects are null or they are equivalent; false      * otherwise     */    private static boolean isEqual(Object o1, Object o2) {      if (o1 == null) {          return o2 == null;      }      return o1 == o2 || o1.equals(o2);   }       public int hashCode() {        int result = 17;            result = 37 * result + (cell==null ? 0 : cell.hashCode());        result = 37 * result + (pager==null ? 0: pager.hashCode());        result = 37 * result + (email==null ? 0 : email.hashCode());        return result;    }        /**     * Returns the string representation of this contact info.     * The exact details of the representation are unspecified and subject to     * change, but the following may be regarded as typical:     *     * "[ContactInfo: cell=(123) 456-7890, pager=(123) 456-7890,     *    email=someone@somewhere.com]"     */    public String toString() {        return "[ContactInfo: " +             "cell=" + cell + ", " +            "pager=" + pager + ", " +            "email=" + email + "]";    }}