com.amazonaws.services.elasticmapreduce.spi.security.EncryptionContext Maven / Gradle / Ivy

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The AWS SDK for Java with support for OSGi. The AWS 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 (c) 2016. 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.elasticmapreduce.spi.security;

import java.util.HashMap;
import java.util.Map;

/**
 * Context information that can help users to determine which encryption materials
 * should return in the EncryptionMaterialsProvider.
 *
 */
public class EncryptionContext {
  private final String type;
  private final Map context = new HashMap();

  public EncryptionContext(String type) {
    this.type = type;
  }

  /**
   * Gets the type of the encryption context.
   * Supported value is LOCAL_DISK.
   * @return the type of encryption context.
   */
  public String getType() {
    return type;
  }

  /**
   * Gets the encryption context key value pairs.
   * @return the key value pairs in the encryption context.
   */
  public Map getContext() {
    return new HashMap(context);
  }

  /**
   * Fluent API to add encryption context.
   */
  public EncryptionContext withContext(String key, String value) {
    this.context.put(key, value);
    return this;
  }

  /**
   * Fluent API to add all the given encryption context.
   */
  public EncryptionContext withContext(Map context) {
    this.context.putAll(context);
    return this;
  }
}