hadoop SimpleCredentialsProvider 源码

  • 2022-10-20
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haddop SimpleCredentialsProvider 代码

文件路径:/hadoop-cloud-storage-project/hadoop-cos/src/main/java/org/apache/hadoop/fs/cosn/auth/SimpleCredentialsProvider.java

/**
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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.hadoop.fs.cosn.auth;

import com.qcloud.cos.auth.BasicCOSCredentials;
import com.qcloud.cos.auth.COSCredentials;
import com.qcloud.cos.auth.COSCredentialsProvider;
import com.qcloud.cos.utils.StringUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.cosn.CosNConfigKeys;

import javax.annotation.Nullable;
import java.net.URI;

/**
 * Get the credentials from the hadoop configuration.
 */
public class SimpleCredentialsProvider
    extends AbstractCOSCredentialsProvider implements COSCredentialsProvider {
  private String secretId;
  private String secretKey;

  public SimpleCredentialsProvider(@Nullable URI uri, Configuration conf) {
    super(uri, conf);
    if (null != conf) {
      this.secretId = conf.get(
          CosNConfigKeys.COSN_SECRET_ID_KEY);
      this.secretKey = conf.get(
          CosNConfigKeys.COSN_SECRET_KEY_KEY);
    }
  }

  @Override
  public COSCredentials getCredentials() {
    if (!StringUtils.isNullOrEmpty(this.secretId)
        && !StringUtils.isNullOrEmpty(this.secretKey)) {
      return new BasicCOSCredentials(this.secretId, this.secretKey);
    }
    return null;
  }

  @Override
  public void refresh() {
  }
}

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