public Void invoke()

in src/main/java/com/amazonaws/codepipeline/jenkinsplugin/DownloadCallable.java [64:98]
27 lines of code
3 McCabe index (conditional complexity)

    public Void invoke(final File workspace, final VirtualChannel channel) throws InterruptedException {
        clearWorkspaceIfSelected(workspace, listener);

        final AWSClients awsClients = awsClientFactory.getAwsClient(
                model.getAwsAccessKey(),
                model.getAwsSecretKey(),
                model.getProxyHost(),
                model.getProxyPort(),
                model.getRegion(),
                pluginUserAgentPrefix);

        final AWSCodePipelineJobCredentialsProvider credentialsProvider = new AWSCodePipelineJobCredentialsProvider(
                job.getId(), awsClients.getCodePipelineClient());
        final AmazonS3 s3Client = awsClients.getS3Client(credentialsProvider);

        for (final Artifact artifact : job.getData().getInputArtifacts()) {
            final S3Object sessionObject = getS3Object(s3Client, artifact);

            model.setCompressionType(ExtractionTools.getCompressionType(sessionObject, listener));

            final String downloadedFileName = Paths.get(sessionObject.getKey()).getFileName().toString();

            try {
                downloadAndExtract(sessionObject, workspace, downloadedFileName, listener);
            } catch (final Exception ex) {
                final String error = "Failed to acquire artifacts: " + ex.getMessage();
                LoggingHelper.log(listener, error);
                LoggingHelper.log(listener, ex);

                throw new InterruptedException(error);
            }
        }

        return null;
    }