content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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.
   */
  
  package org.apache.spark.sql.streaming.sqs;
  
  import com.amazonaws.AmazonClientException;
  import com.amazonaws.auth.AWSCredentialsProvider;
  import com.amazonaws.auth.BasicAWSCredentials;
  import com.amazonaws.auth.AWSCredentials;
  import org.apache.commons.lang.StringUtils;
  
  public class BasicAWSCredentialsProvider implements AWSCredentialsProvider {
    private final String accessKey;
    private final String secretKey;
  
    public BasicAWSCredentialsProvider(String accessKey, String secretKey) {
      this.accessKey = accessKey;
      this.secretKey = secretKey;
    }
  
    public AWSCredentials getCredentials() {
      if (!StringUtils.isEmpty(accessKey) && !StringUtils.isEmpty(secretKey)) {
        return new BasicAWSCredentials(accessKey, secretKey);
      }
      throw new AmazonClientException(
          "Access key or secret key is null");
    }
  
    public void refresh() {}
  
    @Override
    public String toString() {
      return getClass().getSimpleName();
    }
  
  }
  