Chilkat Online Tools

DescribeStream Java Example

Amazon Kinesis Video Streams

import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest = new CkRest();
    boolean success;

    CkAuthAws authAws = new CkAuthAws();
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("kinesisvideo");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://kinesisvideo.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("kinesisvideo.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        System.out.println("ConnectFailReason: " + rest.get_ConnectFailReason());
        System.out.println(rest.lastErrorText());
        return;
        }

    // The following code creates the JSON request body.
    // The JSON created by this code is shown below.

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    CkJsonObject json = new CkJsonObject();
    json.UpdateString("ExclusiveStartShardId","string");
    json.UpdateInt("Limit",123);
    json.UpdateString("StreamName","string");

    // The JSON request body created by the above code:

    // {
    //   "ExclusiveStartShardId": "string",
    //   "Limit": number,
    //   "StreamName": "string"
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","DescribeStream");

    CkStringBuilder sbRequestBody = new CkStringBuilder();
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody = new CkStringBuilder();
    success = rest.FullRequestSb("POST","/describeStream",sbRequestBody,sbResponseBody);
    if (success != true) {
        System.out.println(rest.lastErrorText());
        return;
        }

    int respStatusCode = rest.get_ResponseStatusCode();
    System.out.println("response status code = " + respStatusCode);
    if (respStatusCode != 200) {
        System.out.println("Response Header:");
        System.out.println(rest.responseHeader());
        System.out.println("Response Body:");
        System.out.println(sbResponseBody.getAsString());
        return;
        }

    CkJsonObject jResp = new CkJsonObject();
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

    // Use this online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    int j;
    int count_j;
    String strVal;
    String AdjacentParentShardId;
    String EndingHashKey;
    String StartingHashKey;
    String ParentShardId;
    String EndingSequenceNumber;
    String StartingSequenceNumber;
    String ShardId;

    String EncryptionType = jResp.stringOf("StreamDescription.EncryptionType");
    int HasMoreShards = jResp.IntOf("StreamDescription.HasMoreShards");
    String KeyId = jResp.stringOf("StreamDescription.KeyId");
    int RetentionPeriodHours = jResp.IntOf("StreamDescription.RetentionPeriodHours");
    String StreamARN = jResp.stringOf("StreamDescription.StreamARN");
    int StreamCreationTimestamp = jResp.IntOf("StreamDescription.StreamCreationTimestamp");
    String StreamMode = jResp.stringOf("StreamDescription.StreamModeDetails.StreamMode");
    String StreamName = jResp.stringOf("StreamDescription.StreamName");
    String StreamStatus = jResp.stringOf("StreamDescription.StreamStatus");
    int i = 0;
    int count_i = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring");
    while (i < count_i) {
        jResp.put_I(i);
        j = 0;
        count_j = jResp.SizeOfArray("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics");
        while (j < count_j) {
            jResp.put_J(j);
            strVal = jResp.stringOf("StreamDescription.EnhancedMonitoring[i].ShardLevelMetrics[j]");
            j = j+1;
            }

        i = i+1;
        }

    i = 0;
    count_i = jResp.SizeOfArray("StreamDescription.Shards");
    while (i < count_i) {
        jResp.put_I(i);
        AdjacentParentShardId = jResp.stringOf("StreamDescription.Shards[i].AdjacentParentShardId");
        EndingHashKey = jResp.stringOf("StreamDescription.Shards[i].HashKeyRange.EndingHashKey");
        StartingHashKey = jResp.stringOf("StreamDescription.Shards[i].HashKeyRange.StartingHashKey");
        ParentShardId = jResp.stringOf("StreamDescription.Shards[i].ParentShardId");
        EndingSequenceNumber = jResp.stringOf("StreamDescription.Shards[i].SequenceNumberRange.EndingSequenceNumber");
        StartingSequenceNumber = jResp.stringOf("StreamDescription.Shards[i].SequenceNumberRange.StartingSequenceNumber");
        ShardId = jResp.stringOf("StreamDescription.Shards[i].ShardId");
        i = i+1;
        }

    // A sample JSON response body parsed by the above code:

    // {
    //   "StreamDescription": {
    //     "EncryptionType": "string",
    //     "EnhancedMonitoring": [
    //       {
    //         "ShardLevelMetrics": [
    //           "string"
    //         ]
    //       }
    //     ],
    //     "HasMoreShards": boolean,
    //     "KeyId": "string",
    //     "RetentionPeriodHours": number,
    //     "Shards": [
    //       {
    //         "AdjacentParentShardId": "string",
    //         "HashKeyRange": {
    //           "EndingHashKey": "string",
    //           "StartingHashKey": "string"
    //         },
    //         "ParentShardId": "string",
    //         "SequenceNumberRange": {
    //           "EndingSequenceNumber": "string",
    //           "StartingSequenceNumber": "string"
    //         },
    //         "ShardId": "string"
    //       }
    //     ],
    //     "StreamARN": "string",
    //     "StreamCreationTimestamp": number,
    //     "StreamModeDetails": {
    //       "StreamMode": "string"
    //     },
    //     "StreamName": "string",
    //     "StreamStatus": "string"
    //   }
    // }
  }
}