// Query transcoding workflow​
package org.example.GetConvertWorkflow;​
​
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.*;​
import com.volcengine.tos.model.bucket.*;​
import com.volcengine.tos.model.object.*;​
​
public class GetConvertWorkflowExample {​
    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");​
​
        // If the region is not set, the default is North China 2 (Beijing)​
        if (region == null || region.isEmpty()) {​
            region = "cn-beijing";​
        }​
​
        // Initialize the client​
        TOSV2 tos = new TOSV2ClientBuilder().build(region, endpoint, accessKey, secretKey);​
​
        try {​
            // Construct GetConvertWorkflowInput to query the transcode workflow configured under the specified bucket​
            GetConvertWorkflowInput input = GetConvertWorkflowInput.builder()​
                    .bucket(bucketName)​
                    .build();​
​
            // Call the getConvertWorkflow interface​
            GetConvertWorkflowOutput output = tos.getConvertWorkflow(input);​
​
            // Print request information​
            if (output != null && output.getRequestInfo() != null) {​
                System.out.println("RequestID: " + output.getRequestInfo().getRequestId());​
                System.out.println("StatusCode: " + output.getRequestInfo().getStatusCode());​
            }​
​
            // Print rule information​
            if (output != null && output.getRules() != null) {​
                System.out.println("Number of rules: " + output.getRules().size());​
​
                if (!output.getRules().isEmpty()) {​
                    ConvertWorkflowRule firstRule = output.getRules().get(0);​
                    if (firstRule != null) {​
                        // Basic rule information​
                        System.out.println("First rule ID: " + firstRule.getId());​
                        System.out.println("First rule Enabled: " + firstRule.getEnabled());​
                        System.out.println("First rule (Prefix): " + firstRule.getPrefix());​
​
                        // Audio and video extension filter configuration​
                        WorkflowExtFilter extFilter = firstRule.getExtFilter();​
                        if (extFilter != null) {​
                            if (extFilter.getAudioExts() != null) {​
                                System.out.println("Audio extension AudioExts: " + extFilter.getAudioExts());​
                            }​
                            if (extFilter.getVideoExts() != null) {​
                                System.out.println("Video extension VideoExts: " + extFilter.getVideoExts());​
                            }​
                        }​
​
                        // Topology information​
                        if (firstRule.getTopology() != null) {​
                            System.out.println("拓扑 Topology: " + firstRule.getTopology());​
                        }​
​
                        // Operation configuration​
                        WorkflowOperations operations = firstRule.getOperations();​
                        if (operations != null) {​
                            // Transcode operation​
                            if (operations.getTranscode() != null && !operations.getTranscode().isEmpty()) {​
                                OperationsTranscode transcodeOp = operations.getTranscode().get(0);​
                                if (transcodeOp != null) {​
                                    System.out.println("First Transcode OperationID: " + transcodeOp.getOperationID());​
                                    System.out.println("First Transcode TemplateID: " + transcodeOp.getTemplateID());​
                                    ConvertJobOutput transcodeOutput = transcodeOp.getOutput();​
                                    if (transcodeOutput != null) {​
                                        System.out.println("First Transcode Output Region: " + transcodeOutput.getRegion());​
                                        System.out.println("First Transcode Output Bucket: " + transcodeOutput.getBucket());​
                                        System.out.println("First Transcode Output Object: " + transcodeOutput.getObject());​
                                    }​
                                }​
                            }​
​
                            // AudioTranscode operation​
                            if (operations.getAudioTranscode() != null && !operations.getAudioTranscode().isEmpty()) {​
                                OperationsAudioTranscode audioTranscodeOp = operations.getAudioTranscode().get(0);​
                                if (audioTranscodeOp != null) {​
                                    System.out.println("First AudioTranscode OperationID: " + audioTranscodeOp.getOperationID());​
                                    System.out.println("First AudioTranscode TemplateID: " + audioTranscodeOp.getTemplateID());​
                                    ConvertJobOutput audioOutput = audioTranscodeOp.getOutput();​
                                    if (audioOutput != null) {​
                                        System.out.println("First AudioTranscode Output Region: " + audioOutput.getRegion());​
                                        System.out.println("First AudioTranscode Output Bucket: " + audioOutput.getBucket());​
                                        System.out.println("First AudioTranscode Output Object: " + audioOutput.getObject());​
                                    }​
                                }​
                            }​
                        }​
                    }​
                }​
            }​
​
        } catch (TosClientException e) {​
            // Operation failed: client exception caught, Usually due to invalid request parameters; the request was 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: server exception caught, Detailed error information returned from the server is available​
            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) {​
            // Catch-all for other exceptions, Generally this should not occur​
            System.out.println("Operation failed");​
            System.out.println("unexpected exception, message: " + t.getMessage());​
        }​
    }​
}​