Chilkat Online Tools

BatchDetectKeyPhrases Perl Example

Amazon Comprehend

use 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 = $rest->Connect("comprehend.us-west-2.amazonaws.com",443,1,1);
if ($success != 1) {
    print "ConnectFailReason: " . $rest->get_ConnectFailReason() . "\r\n";
    print $rest->lastErrorText() . "\r\n";
    exit;
}

# 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("LanguageCode","string");
$json->UpdateString("TextList[0]","string");

# The JSON request body created by the above code:

# {
#   "LanguageCode": "string",
#   "TextList": [
#     "string"
#   ]
# }

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

$sbRequestBody = chilkat::CkStringBuilder->new();
$json->EmitSb($sbRequestBody);
$sbResponseBody = chilkat::CkStringBuilder->new();
$success = $rest->FullRequestSb("POST","/",$sbRequestBody,$sbResponseBody);
if ($success != 1) {
    print $rest->lastErrorText() . "\r\n";
    exit;
}

$respStatusCode = $rest->get_ResponseStatusCode();
print "response status code = " . $respStatusCode . "\r\n";
if ($respStatusCode != 200) {
    print "Response Header:" . "\r\n";
    print $rest->responseHeader() . "\r\n";
    print "Response Body:" . "\r\n";
    print $sbResponseBody->getAsString() . "\r\n";
    exit;
}

$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

$i = 0;
$count_i = $jResp->SizeOfArray("ErrorList");
while ($i < $count_i) {
    $jResp->put_I($i);
    $ErrorCode = $jResp->stringOf("ErrorList[i].ErrorCode");
    $ErrorMessage = $jResp->stringOf("ErrorList[i].ErrorMessage");
    $Index = $jResp->IntOf("ErrorList[i].Index");
    $i = $i + 1;
}

$i = 0;
$count_i = $jResp->SizeOfArray("ResultList");
while ($i < $count_i) {
    $jResp->put_I($i);
    $Index = $jResp->IntOf("ResultList[i].Index");
    $j = 0;
    $count_j = $jResp->SizeOfArray("ResultList[i].KeyPhrases");
    while ($j < $count_j) {
        $jResp->put_J($j);
        $BeginOffset = $jResp->IntOf("ResultList[i].KeyPhrases[j].BeginOffset");
        $EndOffset = $jResp->IntOf("ResultList[i].KeyPhrases[j].EndOffset");
        $Score = $jResp->IntOf("ResultList[i].KeyPhrases[j].Score");
        $Text = $jResp->stringOf("ResultList[i].KeyPhrases[j].Text");
        $j = $j + 1;
    }

    $i = $i + 1;
}

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

# {
#   "ErrorList": [
#     {
#       "ErrorCode": "string",
#       "ErrorMessage": "string",
#       "Index": number
#     }
#   ],
#   "ResultList": [
#     {
#       "Index": number,
#       "KeyPhrases": [
#         {
#           "BeginOffset": number,
#           "EndOffset": number,
#           "Score": number,
#           "Text": "string"
#         }
#       ]
#     }
#   ]
# }