OTAContactData.java

/**
 * OTAContactData.java
 * 
 * Copyright � 1998-2011 Research In Motion Limited
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Note: For the sake of simplicity, this sample application may not leverage
 * resource bundles and resource strings.  However, it is STRONGLY recommended
 * that application developers make use of the localization features available
 * within the BlackBerry development platform to ensure a seamless application
 * experience across a variety of languages and geographies.  For more information
 * on localizing your application, please refer to the BlackBerry Java Development
 * Environment Development Guide associated with this release.
 */

package com.rim.samples.device.otabackuprestoredemo;

import net.rim.device.api.synchronization.SyncObject;
import net.rim.device.api.util.Persistable;

/**
 * This class represents a contact, encapsulating the contact's information. It
 * also implements the SyncObject and Persistable interfaces which allow the
 * OTAContactData to synchronize to a BES and allow the information to be
 * committed to a persistent store.
 */
public class OTAContactData implements SyncObject, Persistable {
    private int _uid;
    private String _first, _last, _email;

    /**
     * Default constructor
     */
    public OTAContactData() {
    }

    /**
     * Creates a new OTAContactData object
     * 
     * @param uid
     *            The UID of the contact
     */
    public OTAContactData(final int uid) {
        _uid = uid;
    }

    /**
     * Sets the UID
     * 
     * @param uid
     *            The UID to set
     */
    void setUID(final int uid) {
        _uid = uid;
    }

    /**
     * @see SyncObject#getUID()
     */
    public int getUID() {
        return _uid;
    }

    /**
     * Sets the first name of this contact
     * 
     * @param first
     *            The first name of this contact
     */
    void setFirst(final String first) {
        _first = first;
    }

    /**
     * Gets the first name of this contact
     * 
     * @return The first name of this contact
     */
    String getFirst() {
        return _first;
    }

    /**
     * Sets the last name of this contact
     * 
     * @param last
     *            The last name of this contact
     */
    void setLast(final String last) {
        _last = last;
    }

    /**
     * Gets the last name of this contact
     * 
     * @return The last name of this contact
     */
    String getLast() {
        return _last;
    }

    /**
     * Sets the contact's email address
     * 
     * @param email
     *            The contact's email address
     */
    void setEmail(final String email) {
        _email = email;
    }

    /**
     * Gets the contact's email address
     * 
     * @return The contact's email address
     */
    String getEmail() {
        return _email;
    }

    /**
     * Determines equality by matching the first and last names
     * 
     * @see java.lang.Object#equals(Object)
     */
    public boolean equals(final Object o) {
        if (o instanceof OTAContactData) {
            final OTAContactData otherContact = (OTAContactData) o;

            if (getFirst() == null) {
                if (otherContact.getFirst() == null) {
                    if (getLast() != null) {
                        return getLast().equals(otherContact.getLast());
                    } else {
                        return otherContact.getLast() == null;
                    }
                }

                return false;
            } else if (getFirst().equals(otherContact.getFirst())) {
                if (getLast() != null) {
                    return getLast().equals(otherContact.getLast());
                } else {
                    return otherContact.getLast() == null;
                }
            }

        }

        return false;
    }

    /**
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        int hashCode = 0;

        final String first = getFirst();
        if (first != null) {
            hashCode += first.hashCode();
        }

        final String last = getLast();
        if (last != null) {
            hashCode += last.hashCode();
        }

        return hashCode;
    }
}