class="org.codelibs.fess.crawler.client.storage.StorageClient" instance="prototype">
		<property name="charset">"UTF-8"</property>
	</component>

	<component name="s3Client"
		class="org.codelibs.fess.crawler.client.s3.S3Client" instance="prototype">
		<property name="charset">"UTF-8"</property>
	</component>

	<component name="gcsClient"
		class="org.codelibs.fess.crawler.client.gcs.GcsClient" instance="prototype">

            s3Client.headBucket(request);
            return true;
        } catch (final Exception e) {
            return false;
        }
    }

    @Override
    public void close() {
        if (s3Client != null) {
            s3Client.close();
        }
    }

    /**

- `file:.*` → FileSystemClient
- `smb:.*` → SmbClient (SMB2+), `smb1:.*` → SmbClient (SMB1)
- `ftp:.*`, `ftps:.*` → FtpClient
- `storage:.*` → StorageClient, `s3:.*` → S3Client, `gcs:.*` → GcsClient

### Cloud Storage Clients

- **S3Client**: AWS SDK v2, `s3://bucket/path`, properties: `endpoint`, `accessKey`, `secretKey`, `region`

		// skip TLS verification
		transport.TLSClientConfig.InsecureSkipVerify = true
	}

	s3Client, err := minio.New(u.Host, &minio.Options{
		Creds:     credentials.NewStaticV4(accessKey, secretKey, ""),
		Secure:    secure,
		Transport: transport,
	})
	if err != nil {
		log.Fatalln(err)
	}

	if debug {
		s3Client.TraceOn(os.Stderr)
	}

	var buckets []string
	if bucket != "" {

```go
s3Client, err := minio.New("localhost:9000", "YOUR-ACCESSKEYID", "YOUR-SECRETACCESSKEY", true)
if err != nil {
 log.Fatalln(err)
}

object, err := os.Open("my-testfile")
if err != nil {
 log.Fatalln(err)
}
defer object.Close()
objectStat, err := object.Stat()
if err != nil {
 log.Fatalln(err)
}

```go
package main

import (
	"context"
	"log"
	"net/url"
	"time"
	"fmt"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

func main() {
	s3Client, err := minio.New("localhost:9000", &minio.Options{
		Creds:  credentials.NewStaticV4("minioadmin", "minioadmin", ""),
		Secure: false,
	})
	if err != nil {
		log.Fatalln(err)
	}

		if err != nil {
			return psi, errSRPeerResp(fmt.Errorf("unable to fetch server info for %s: %w", v.Name, err))
		}

		s3Client, err := getS3Client(v)
		if err != nil {
			return psi, errSRPeerResp(fmt.Errorf("unable to create s3 client for %s: %w", v.Name, err))
		}

		buckets, err := s3Client.ListBuckets(ctx)
		if err != nil {
			return psi, errSRPeerResp(fmt.Errorf("unable to list buckets for %s: %v", v.Name, err))
		}