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The Amazon Web Services SDK for Java provides Java APIs for building software on AWS' cost-effective, scalable, and reliable infrastructure products. The AWS Java SDK allows developers to code against APIs for all of Amazon's infrastructure web services (Amazon S3, Amazon EC2, Amazon SQS, Amazon Relational Database Service, Amazon AutoScaling, etc).

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/*
 * Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Portions copyright 2006-2009 James Murty. Please see LICENSE.txt
 * for applicable license terms and NOTICE.txt for applicable notices.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file 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.
 */
package com.amazonaws.services.s3.model;

import java.io.Serializable;

/**
 * Represents the owner of an Amazon S3 bucket.
 */
public class Owner implements Serializable {
    private static final long serialVersionUID = -8916731456944569115L;

    private String displayName;
    private String id;

    /**
     * 
     * Constructs a new {@link Owner} without specifying
     * an ID or display name.
     * 
     * 
     * @see Owner#Owner(String, String)
     */
    public Owner() {
    }

    /**
     * 
     * Constructs a new {@link Owner} with the specified
     * ID and display name. 
     * 
     * 
     * @param id 
     *      The ID for the owner.
     * @param displayName 
     *      The display name for the owner.
     * @see Owner#Owner()
     */
    public Owner(String id, String displayName) {
        this.id = id;
        this.displayName = displayName;
    }

    /*
     * (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    public String toString() {
        return "S3Owner [name=" + getDisplayName() + ",id=" + getId() + "]";
    }

    /**
     * 
     * Gets the ID of the owner.
     * 
     * 
     * @return The ID of the owner.
     * 
     * @see Owner#setId(String)
     */
    public String getId() {
        return id;
    }

    /**
     * 
     * Sets the ID of the owner.
     * 
     * 
     * @param id
     *      The ID of the owner.
     *      
     * @see Owner#getId()
     */
    public void setId(String id) {
        this.id = id;
    }

    /**
     * 
     * Gets the display name of the owner.
     * 
     * 
     * @return
     *      The display name of the owner.
     *      
     * @see Owner#setDisplayName(String)     
     */
    public String getDisplayName() {
        return displayName;
    }

    /**
     * 
     * Sets the display name of the owner.
     * 
     * 
     * @param name
     *      The display name of the owner.
     *      
     * @see Owner#getDisplayName()
     */
    public void setDisplayName(String name) {
        this.displayName = name;
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof Owner)) {
            return false;
        }

        Owner otherOwner = (Owner)obj;

        String otherOwnerId = otherOwner.getId();
        String otherOwnerName = otherOwner.getDisplayName();
        String thisOwnerId = this.getId();
        String thisOwnerName = this.getDisplayName();

        if (otherOwnerId == null) otherOwnerId = "";
        if (otherOwnerName == null) otherOwnerName = "";
        if (thisOwnerId == null) thisOwnerId = "";
        if (thisOwnerName == null) thisOwnerName = "";

        return (otherOwnerId.equals(thisOwnerId) &&
                otherOwnerName.equals(thisOwnerName));
    }

    @Override
    public int hashCode() {
        if (id != null) {
            return id.hashCode();
        } else {
            return 0;
        }
    }

}