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The AWS Java SDK for Amazon S3 module holds the client classes that are used for communicating with Amazon Simple Storage Service

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/*
 * Copyright 2011-2024 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * 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;

import com.amazonaws.AmazonWebServiceRequest;
import com.amazonaws.services.s3.AmazonS3;

/**
 * 
 * Gets the policy for the specified bucket. Only the owner of the bucket can
 * retrieve the policy. If no policy has been set for the bucket, then an empty
 * result object with a null policy text field will be returned.
 * 
 * 
 * Bucket policies provide access control management at the bucket level for
 * both the bucket resource and contained object resources. Only one policy can
 * be specified per-bucket.
 * 
 * 
 * See the 
 * Amazon S3 User Guide for more information on forming bucket polices.
 * 
 *
 * @see AmazonS3#getBucketPolicy(GetBucketPolicyRequest)
 */
public class GetBucketPolicyRequest extends AmazonWebServiceRequest implements Serializable, ExpectedBucketOwnerRequest {

    /** The name of the Amazon S3 bucket whose policy is being retrieved. */
    private String bucketName;

    private String expectedBucketOwner;


    /**
     * Creates a new request object, ready to be executed to retrieve the bucket
     * policy of an Amazon S3 bucket.
     *
     * @param bucketName
     *            The name of the Amazon S3 bucket whose policy is being
     *            retrieved.
     */
    public GetBucketPolicyRequest(String bucketName) {
        this.bucketName = bucketName;
    }

    public String getExpectedBucketOwner() {
        return expectedBucketOwner;
    }

    public GetBucketPolicyRequest withExpectedBucketOwner(String expectedBucketOwner) {
        this.expectedBucketOwner = expectedBucketOwner;
        return this;
    }

    public void setExpectedBucketOwner(String expectedBucketOwner) {
        withExpectedBucketOwner(expectedBucketOwner);
    }

    /**
     * Returns the name of the Amazon S3 bucket whose policy is being retrieved.
     *
     * @return The name of the Amazon S3 bucket whose policy is being retrieved.
     */
    public String getBucketName() {
        return bucketName;
    }

    /**
     * Sets the name of the Amazon S3 bucket whose policy is being retrieved.
     *
     * @param bucketName
     *            The name of the Amazon S3 bucket whose policy is being
     *            retrieved.
     */
    public void setBucketName(String bucketName) {
        this.bucketName = bucketName;
    }

    /**
     * Sets the name of the Amazon S3 bucket whose policy is being retrieved,
     * and returns the updated request object so that additional method calls
     * can be chained together.
     *
     * @param bucketName
     *            The name of the Amazon S3 bucket whose policy is being
     *            retrieved.
     *
     * @return The updated request object so that additional method calls can be
     *         chained together.
     */
    public GetBucketPolicyRequest withBucketName(String bucketName) {
        setBucketName(bucketName);
        return this;
    }
}