I want to read the content of a text file dropped in a watched folder into a string variable

I have a workbench process with 2 variable.
inDoc (DataType=Document/input/required)
outStr (DataType = String/output)
The document being passed to the workflow is a text file with 4 lines of text in it. when the text file is dropped into the watched folder, it will be assigned to the inDoc parameter in the workflow.
My workflow needs to extract the 4 lines of text and write it into a string (outStr).
Id like to use the FileUtilsService.ReadString service but i can't since its input parameter is the file path. When i do, i get the following error...
Caused by: ALC-FUT-001-011: File rO0ABXNyABZjb20uYWRvYmUuaWRwLkRvY3VtZW50yAEFUxsO+CEDACNJAAtfY2FsbGJhY2tJZFoADV9kZXNlcmlhb Gl6ZWRJABBfZGlzcG9zYWxUaW1lb3V0WgAJX2Rpc3Bvc2VkWgAZX2lzRGlzcG9zYWxUaW1lb3V0RGVmYXVsdFoAE19 pc1RyYW5zYWN0aW9uQm91bmRKAAdfbGVuZ3RoSQAOX21heElubGluZVNpemVaAAhfb3duRmlsZVoAC19wYXNzaXZhd GVkWgALX3BlcnNpc3RlbnRJABFfc2VuZGVyQ2FsbGJhY2tJZFoAEV9zZW5kZXJQYXNzaXZhdGVkWgARX3NlbmRlclB lcnNpc3RlbnRJAA5fc2VuZGVyVmVyc2lvbkkABl9zdGF0ZUwAC19hdHRyaWJ1dGVzdAATTGphdmEvdXRpbC9IYXNoT WFwO0wACF9jYWNoZUlkdAAfTGNvbS9hZG9iZS9pZHAvRG9jdW1lbnRDYWNoZUlEO0wADF9jYWxsYmFja1JlZnQAIUx jb20vYWRvYmUvaWRwL0lEb2N1bWVudENhbGxiYWNrO0wADF9jb250ZW50VHlwZXQAEkxqYXZhL2xhbmcvU3RyaW5nO 0wAC19kYXRhQnVmZmVydAAeTGNvbS9hZG9iZS9zZXJ2aWNlL0RhdGFCdWZmZXI7TAAPX2V4cGlyYXRpb25UaW1ldAA QTGphdmEvbGFuZy9Mb25nO0wABV9maWxldAAOTGphdmEvaW8vRmlsZTtMABBfZ2xvYmFsQmFja2VuZElkdAAhTGNvb S9hZG9iZS9pZHAvRG9jdW1lbnRCYWNrZW5kSUQ7WwAHX2lubGluZXQAAltCTAAMX2lucHV0U3RyZWFtdAAVTGphdmE vaW8vSW5wdXRTdHJlYW07TAAPX2xvY2FsQmFja2VuZElkcQB+AAhMAAxfcHVsbFNlcnZhbnR0ACRMY29tL2Fkb2JlL 2lkcC9JRG9jdW1lbnRQdWxsU2VydmFudDtMABFfcmFuZG9tQWNjZXNzRmlsZXQAGkxqYXZhL2lvL1JhbmRvbUFjY2V zc0ZpbGU7TAAVX3NlbmRlckNhbGxiYWNrUmVmSU9ScQB+AARMABZfc2VuZGVyR2xvYmFsQmFja2VuZElkcQB+AAhMA A1fc2VuZGVySG9zdElkcQB+AARMABVfc2VuZGVyTG9jYWxCYWNrZW5kSWRxAH4ACEwAGl9zZW5kZXJQdWxsU2VydmF udEpuZGlOYW1lcQB+AARMAARfdXJsdAAOTGphdmEvbmV0L1VSTDt4cHcGAAAAAwAAcHd1AHMwOjA6MDowOjA6MDowO jEvMTI3LjAuMC4xLy8vLy8vLy8vZmU4MDowOjA6MDo3NDMyOmU0OWQ6NmUzMToxNTU0JTEwLzEwLjI0LjIzOS4xMjY vZmU4MDowOjA6MDowOjVlZmU6YTE4OmVmN2UlMTEvLy8vdXIAAltCrPMX+AYIVOACAAB4cAAAAcRJTU01MjU3XzAxL TIwMTFfMXwwMXx8YXx8fHxGZW1hbGV8MjAwMHw2fDh8Y3wyNTZ8MjU2fDkxMnwwMXx8fHx8fHx8Tnx8fHx8fHx8fHx 8fHx8fHx8fHxZfHx8fHx8fHx8fDAyfHx8fHx8TnwyMDEyfDJ8MTR8DQpJTU01MjU3XzAxLTIwMTFfMnx8fHx8fHx8f Hxhc2RmfDI1NnwyMDEyfDAyfDAxfDIwMTJ8MDN8MDJ8fHx8YXxhfDI1Mnx8fHxZfHx8fHx8fHx8fHx8fHx8DQpJTU0 1MjU3XzAxLTIwMTFfM3xOfHx8fHx8fHx8fDIwMDB8Nnx8fGFzZGZ8YXNkZnxhc2RmfDI1Nnx8fHx8fHx8fHx8fHx8f Hx8fHx8DQpJTU01MjU3XzAxLTIwMTFfNHxOfE58fE58TnxOfHxOfE58fE58TnxOfA0KSU1NNTI1N18wMS0yMDExXzV 8U2luZ2xlfDAxfHwyMDEyfDAyfDE4fDIwMTJ8MDN8MDN8MjM0fGFzZGZ8fGFzZGZhc3x8fHxFeGNoYW5nZS1Qcm8uO S40MDEuRnVsbC5XSU4uZW5fQ0EuRU5VLTEwLTIwMTF8DQoNCnBwdwYAAAAAAAB0AAp0ZXh0L3BsYWlucHNyABFqYXZ hLnV0aWwuSGFzaE1hcAUH2sHDFmDRAwACRgAKbG9hZEZhY3RvckkACXRocmVzaG9sZHhwP0AAAAAAAAx3CAAAABAAA AADdAAKd3NmaWxlbmFtZXQAJ0M6XFVzZXJzXENodWxseS5QYXJrXERlc2t0b3BcaGRzY2FuLnR4dHQACGJhc2VuYW1 ldAAKaGRzY2FuLnR4dHQABGZpbGVxAH4AFXh3NwAtYWRvYmUvaWRwL0RvY3VtZW50UHVsbFNlcnZhbnQvYWRvYmVqY l9MQ19ERVYx//////////94 does not exist.
at com.adobe.livecycle.fileutils.FileUtilsService.readDocument(FileUtilsService.java:363)
which is what i expected...
I've also tried with the Script.executeScript to call some java code but im not too strong in java and in all the examples i find, the file pointer requires a file path.
import java.io.*;
FileInputStream f = new FileInputStream(patExecContext.getProcessDataValue("/process_data/inDoc"));
OR
File f = new File(patExecContext.getProcessDataValue("/process_data/inDoc"));
OR
File f = patExecContext.getProcessDataValue("/process_data/inDoc");
Any clue how to resolve my problem?

Try the following code snippet to read the String content from the file recieved through watched folder endpoint.
com.adobe.idp.Document inputDoc = patExecContext.getProcessDataDocumentValue("/process_data/inDoc");
java.io.InputStream inStream = inputDoc.getInputStream();
byte[] dataBuffer = new byte[inStream.available()];
inStream.read(dataBuffer);
String strData = new String(dataBuffer);
patExecContext.setProcessDataStringValue("/process_data/outStr",strData);
The code is not tested, hence if you find any mistakes, correct and test the functionality.
Nith

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