hi all, i m using script snap to generate presigned url for an object in s3 .
Failure: ReferenceError: “AmazonS3Client” is not defined, Reason: Script failed with the following error: ReferenceError: “AmazonS3Client” is not defined, Resolution: Fix the errors in the script file:
following is the script :
// Ensure compatibility with both JDK 7 and 8 JSR-223 Script Engines
try { load(“nashorn:mozilla_compat.js”); } catch(e) { }
//Import the interface required by the Script snap.
importPackage(com.snaplogic.scripting.language);
// Import the Java utility classes.
importPackage(java.util);
importPackage(java.io.IOException);
importPackage(java.net.URL);
importPackage(com.amazonaws.AmazonClientException);
importPackage(com.amazonaws.AmazonServiceException);
importPackage(com.amazonaws.HttpMethod);
importPackage(com.amazonaws.auth.BasicAWSCredentials);
importPackage(com.amazonaws.services.s3.AmazonS3);
importPackage(com.amazonaws.services.s3.AmazonS3Client);
importPackage(com.amazonaws.services.s3.model.GeneratePresignedUrlRequest);
/**
-
Create an object that implements the methods defined by the “ScriptHook”
-
interface. We’ll be passing this object to the constructor for the
-
ScriptHook interface.
/
var impl = {
/
- These variables (input, output, error, log) are defined by the
- ExecuteScript snap when evaluating this script.
*/
input : input,
output : output,
error : error,
log : log,
/**
-
The “execute()” method is called once when the pipeline is started
-
and allowed to process its inputs or just send data to its outputs.
-
-
Exceptions are automatically caught and sent to the error view.
*/
execute : function () {
this.log.info(“Executing Transform Script”);
while (this.input.hasNext()) {
// Read the next document, wrap it in a map and write out the wrapper
var doc = this.input.next();
//var credentials = new BasicAWSCredentials(aws_id,secret_key);
var client = new AmazonS3Client( credentials );
var request = new GeneratePresignedUrlRequest( "snaplogic01-dev", "sample.pdf", HttpMethod.PUT);
request.setExpiration( new Date( System.currentTimeMillis() + (120 * 60 * 1000) ));
var wrapper = new java.util.HashMap();
wrapper.put("original", doc);
wrapper.put("url",client.generatePresignedUrl( request ).toString());
this.output.write(doc, wrapper);
this.log.info("Transform Script finished");
}
}
};
/**
- The Script Snap will look for a ScriptHook object in the “hook”
- variable. The snap will then call the hook’s “execute” method.
*/
var hook = new com.snaplogic.scripting.language.ScriptHook(impl);
