?? contactinfo.java
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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 + "]"; }}
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