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# RevokeCertificate
<a name="JavaApi-RevokeCertificate"></a>

次の Java サンプルは、[RevokeCertificate](https://docs.aws.amazon.com/privateca/latest/APIReference/API_RevokeCertificate.html) オペレーションを使用する方法を示しています。

このオペレーションは、[IssueCertificate](https://docs.aws.amazon.com/privateca/latest/APIReference/API_IssueCertificate.html) オペレーションを呼び出して発行した証明書を取り消しにします。プライベート CA を作成または更新したときに証明書失効リスト (CRL) を有効にした場合、取り消された証明書に関する情報は CRL に含まれます。 は、指定した Amazon S3 バケットに CRL を AWS Private CA 書き込みます。詳細については、「[CrlConfiguration](https://docs.aws.amazon.com/privateca/latest/APIReference/API_CrlConfiguration.html)」構造を参照してください。

```
package com.amazonaws.samples;

import com.amazonaws.auth.AWSCredentials;
import com.amazonaws.auth.profile.ProfileCredentialsProvider;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.client.builder.AwsClientBuilder.EndpointConfiguration;
import com.amazonaws.AmazonClientException;
import com.amazonaws.auth.AWSStaticCredentialsProvider;

import com.amazonaws.services.acmpca.AWSACMPCA;
import com.amazonaws.services.acmpca.AWSACMPCAClientBuilder;

import com.amazonaws.services.acmpca.model.RevokeCertificateRequest;
import com.amazonaws.services.acmpca.model.RevocationReason;

import com.amazonaws.services.acmpca.model.ResourceNotFoundException;
import com.amazonaws.services.acmpca.model.InvalidStateException;
import com.amazonaws.services.acmpca.model.InvalidArnException;
import com.amazonaws.services.acmpca.model.RequestFailedException;
import com.amazonaws.services.acmpca.model.RequestAlreadyProcessedException;
import com.amazonaws.services.acmpca.model.RequestInProgressException;

public class RevokeCertificate {

   public static void main(String[] args) throws Exception {

      // Retrieve your credentials from the C:\Users\name\.aws\credentials file
      // in Windows or the .aws/credentials file in Linux.
      AWSCredentials credentials = null;
      try {
          credentials = new ProfileCredentialsProvider("default").getCredentials();
      } catch (Exception e) {
          throw new AmazonClientException("Cannot load your credentials from disk", e);
      }

      // Define the endpoint for your sample.
      String endpointRegion = "{{region}}";  // Substitute your region here, e.g. "us-west-2"
      String endpointProtocol = "https://acm-pca." + endpointRegion + ".amazonaws.com/";
      EndpointConfiguration endpoint =
          new AwsClientBuilder.EndpointConfiguration(endpointProtocol, endpointRegion);

      // Create a client that you can use to make requests.
      AWSACMPCA client = AWSACMPCAClientBuilder.standard()
          .withEndpointConfiguration(endpoint)
          .withCredentials(new AWSStaticCredentialsProvider(credentials))
          .build();

      // Create a request object.
      RevokeCertificateRequest req = new RevokeCertificateRequest();

      // Set the certificate authority ARN.
      req.setCertificateAuthorityArn("arn:{{aws}}:acm-pca:{{us-east-1}}:{{111122223333}}:certificate-authority/{{11223344-1234-1122-2233-112233445566}}");

      // Set the certificate serial number.
      req.setCertificateSerial("{{79:3f:0d:5b:6a:04:12:5e:2c:9c:fb:52:37:35:98:fe}}");

      // Set the RevocationReason.
      req.withRevocationReason(RevocationReason.<<KEY_COMPROMISE>>);

      // Revoke the certificate.
      try {
          client.revokeCertificate(req);
      } catch (InvalidArnException ex) {
          throw ex;
      } catch (InvalidStateException ex) {
          throw ex;
      } catch (ResourceNotFoundException ex) {
          throw ex;
      } catch (RequestAlreadyProcessedException ex) {
          throw ex;
      } catch (RequestInProgressException ex) {
          throw ex;
      } catch (RequestFailedException ex) {
          throw ex;
      }
   }
}
```