Chilkat Online Tools

StartTopicsDetectionJob Ruby Example

Amazon Comprehend

require 'chilkat'

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = Chilkat::CkRest.new()

authAws = Chilkat::CkAuthAws.new()
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("comprehend")
# SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws)

# URL: https://comprehend.us-west-2.amazonaws.com/
# Use the same region as specified above.
success = rest.Connect("comprehend.us-west-2.amazonaws.com",443,true,true)
if (success != true)
    print "ConnectFailReason: " + rest.get_ConnectFailReason().to_s() + "\n";
    print rest.lastErrorText() + "\n";
    exit
end

# 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

json = Chilkat::CkJsonObject.new()
json.UpdateString("ClientRequestToken","string")
json.UpdateString("DataAccessRoleArn","string")
json.UpdateString("InputDataConfig.DocumentReaderConfig.DocumentReadAction","string")
json.UpdateString("InputDataConfig.DocumentReaderConfig.DocumentReadMode","string")
json.UpdateString("InputDataConfig.DocumentReaderConfig.FeatureTypes[0]","string")
json.UpdateString("InputDataConfig.InputFormat","string")
json.UpdateString("InputDataConfig.S3Uri","string")
json.UpdateString("JobName","string")
json.UpdateInt("NumberOfTopics",123)
json.UpdateString("OutputDataConfig.KmsKeyId","string")
json.UpdateString("OutputDataConfig.S3Uri","string")
json.UpdateString("Tags[0].Key","string")
json.UpdateString("Tags[0].Value","string")
json.UpdateString("VolumeKmsKeyId","string")
json.UpdateString("VpcConfig.SecurityGroupIds[0]","string")
json.UpdateString("VpcConfig.Subnets[0]","string")

# The JSON request body created by the above code:

# {
#   "ClientRequestToken": "string",
#   "DataAccessRoleArn": "string",
#   "InputDataConfig": {
#     "DocumentReaderConfig": {
#       "DocumentReadAction": "string",
#       "DocumentReadMode": "string",
#       "FeatureTypes": [
#         "string"
#       ]
#     },
#     "InputFormat": "string",
#     "S3Uri": "string"
#   },
#   "JobName": "string",
#   "NumberOfTopics": number,
#   "OutputDataConfig": {
#     "KmsKeyId": "string",
#     "S3Uri": "string"
#   },
#   "Tags": [
#     {
#       "Key": "string",
#       "Value": "string"
#     }
#   ],
#   "VolumeKmsKeyId": "string",
#   "VpcConfig": {
#     "SecurityGroupIds": [
#       "string"
#     ],
#     "Subnets": [
#       "string"
#     ]
#   }
# }

rest.AddHeader("Content-Type","application/x-amz-json-1.1")
rest.AddHeader("X-Amz-Target","Comprehend_20171127.StartTopicsDetectionJob")

sbRequestBody = Chilkat::CkStringBuilder.new()
json.EmitSb(sbRequestBody)
sbResponseBody = Chilkat::CkStringBuilder.new()
success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody)
if (success != true)
    print rest.lastErrorText() + "\n";
    exit
end

respStatusCode = rest.get_ResponseStatusCode()
print "response status code = " + respStatusCode.to_s() + "\n";
if (respStatusCode != 200)
    print "Response Header:" + "\n";
    print rest.responseHeader() + "\n";
    print "Response Body:" + "\n";
    print sbResponseBody.getAsString() + "\n";
    exit
end

jResp = Chilkat::CkJsonObject.new()
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

JobArn = jResp.stringOf("JobArn")
JobId = jResp.stringOf("JobId")
JobStatus = jResp.stringOf("JobStatus")

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

# {
#   "JobArn": "string",
#   "JobId": "string",
#   "JobStatus": "string"
# }