// List audio transcoding templates​
import com.volcengine.tos.TOSV2;​
import com.volcengine.tos.TOSV2ClientBuilder;​
import com.volcengine.tos.TosClientException;​
import com.volcengine.tos.TosServerException;​
import com.volcengine.tos.comm.common.AudioContainerFormatType;​
import com.volcengine.tos.model.bucket.*;​
​
public class ListAudioConvertTemplatesExample {​
    public static void main(String[] args) {​
        String endpoint = System.getenv("TOS_ENDPOINT");​
        String region = System.getenv("TOS_REGION");​
        String accessKey = System.getenv("TOS_ACCESS_KEY");​
        String secretKey = System.getenv("TOS_SECRET_KEY");​
        ​
        // Provide your bucket name​
        String bucketName = System.getenv("TOS_BUCKET");​
        ​
        // Initialize the client​
        TOSV2 tos = new TOSV2ClientBuilder().build(region, endpoint, accessKey, secretKey);​
        ​
        try {​
            // Create request to list audio transcoding templates​
            ListAudioConvertTemplatesInput input = ListAudioConvertTemplatesInput.builder()​
                    .bucket(bucketName)​
                    .build();​
            ​
            // Call list audio transcoding templates interface​
            ListAudioConvertTemplatesOutput output = tos.listAudioConvertTemplates(input);​
            ​
            // Process returned results​
            System.out.println("Audio transcoding templates listed successfully");​
            System.out.println("RequestID: " + output.getRequestInfo().getRequestId());​
            System.out.println("StatusCode: " + output.getRequestInfo().getStatusCode());​
            ​
            // Get list of audio transcoding templates​
            java.util.List<AudioConvertTemplate> templates = output.getAudioConvertTemplates();​
            if (templates != null && !templates.isEmpty()) {​
                System.out.println("Turn up " + templates.size() + " Audio transcoding templates:");​
                for (AudioConvertTemplate template : templates) {​
                    System.out.println("\nTemplate Information:");​
                    System.out.println("  ID: " + template.getId());​
                    System.out.println("  Name: " + template.getName());​
                    System.out.println("  Label: " + template.getTag());​
                    ​
                    // Print audio transcoding configuration information​
                    AudioConvertConfig config = template.getAudioConvertConfig();​
                    if (config != null) {​
                        System.out.println("  Audio Configuration:");​
                        System.out.println("  Container format: " + config.getContainerFormat());​
                        System.out.println("  Bitrate: " + config.getBitRate());​
                        System.out.println("  Sampling rate: " + config.getSampleRate());​
                        System.out.println("  Number of channels: " + config.getChannels());​
                        System.out.println("  Sampling format: " + config.getSampleFormat());​
                        ​
                        // Print time range information​
                        TimeInterval timeInterval = config.getTimeInterval();​
                        if (timeInterval != null) {​
                            System.out.println("    Time range:");​
                            System.out.println("    Start time: " + timeInterval.getStart());​
                            System.out.println("    Duration: " + timeInterval.getDuration());​
                        }​
                    }​
                }​
            } else {​
                System.out.println("No audio transcoding template found");​
            }​
            ​
        } catch (TosClientException e) {​
            // Operation failed: caught a client exception, usually due to invalid request parameters, request not sent​
            System.out.println("Operation failed");​
            System.out.println("Message: " + e.getMessage());​
            if (e.getCause() != null) {​
                e.getCause().printStackTrace();​
            }​
        } catch (TosServerException e) {​
            // Operation failed: caught a server exception, detailed error info available from the server response​
            System.out.println("Operation failed");​
            System.out.println("StatusCode: " + e.getStatusCode());​
            System.out.println("Code: " + e.getCode());​
            System.out.println("Message: " + e.getMessage());​
            System.out.println("RequestID: " + e.getRequestID());​
        } catch (Throwable t) {​
            // Fallback catch for other exceptions, generally not reached here​
            System.out.println("Operation failed");​
            System.out.println("unexpected exception, message: " + t.getMessage());​
        }​
    }​
}​