Questions tagged [blob]

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1answer
33 views

How can I get content version data without making self callout?

I understand that there are several approaches to get content version data. The default and widely accepted approach is to make self-callout to REST API to get VersionData of VersionData field on ...
1
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1answer
13 views

Make HttpRequest Callout to send binary data without corruption

I faced issues when tried to send binary data from Salesforce to external web services. To start with, I tried to send binary data from Salesforce to itself. I am trying to read binary data from valid ...
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0answers
61 views

Save the video to files

I'm making a component that allows me to make a video with the capture of the desktop camera. In javascript I have '' vidSave.src '' which is the url of the video that was recorded. When I try to ...
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1answer
75 views

Merging Docx files into one - Apex

I have a requirement, which I should merge two or more word files (.docx) together into one file. because I can't do arithmetic operations on Blob - I converted it to hex, made the arithmetic, ...
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1answer
23 views

Sending PDF file from Salesforce to XERO, but it's not happening

I want to send PDF file which is generated by VF page from Salesforce to XERO. But I'm trying to send but it's not happening XERO syntax, it receives like below format POST /api.xro/2.0/Receipts/...
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1answer
88 views

How to format Excel Column in Apex? [closed]

I'm sending an email via scheduler class with an excel file as an attachment, but the data in the file does not appear to be in proper format. Please check the following image: The code I'm using to ...
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0answers
34 views

UnitTest: Cannot take whole Blob value from return value for System.assertequals

I have a class that I want to do unit_test, which returns Blob value above 3000byte. Regarding this, I want to compare it with expected value, using toString method. However, I can't get the whole ...
2
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0answers
95 views

How to upload BLOB using the Quip API

Is it possible to upload an audio file using the Quip API? I see in the documentation the API supports the upload of blob objects. I can't seem to get this to work properly. I have tried uploading ...
0
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1answer
36 views

ContentVersion apex decoding [closed]

we are saving a docx and pdf files in contentversion. But having issue in decoding it back. Blob.tostring doesnt work as the files encoding is not in the UTF-8 formatting. Can you please help me ...
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2answers
94 views

BLOB is not a valid UTF-8 string for the Contentversion of einstein_platform.pem file

In Einstein Playground app developed by the Salesforce Lab, I have uploaded the einstein platform service private key file named einstein_platform.pem to complete my einstein platform service setup. ...
0
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1answer
138 views

Encoding and Decoding BLOB due to error 'BLOB is not a valid UTF-8 string'

I try to encode and decode a BLOB in order to avoid the 'BLOB is not valid UTF-8 string' error, but when I encode the BLOB in UTF-8, decode it again and use the .toString-method, I stil get the error. ...
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1answer
281 views

Reading data from csv file stored in salesforce files. Content size of 12mb

I have a requirement to upload the csv file of 12mb and read the content in it. Through Lightningfile upload component i am able to load the file in Salesofrce Files and here is the below link for ...
2
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1answer
193 views

How to read/parse an X9.37 file via Apex?

Background X9.37 is a standard format used in electronic check exchange (when a depository institution sends an image cash letter file as a deposit to the Federal Reserve Bank, or when the Federal ...
1
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3answers
991 views

Is there any way to convert a PDF blob value to string in Apex / Javascript lightning controller

I am in need of a way to get a PDF to a readable string format so I can search for specific values in the PDF. But from what i've found so far Apex is unable to get the blob value converted into a ...
1
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0answers
22 views

CSV attachment, replacing \n from cell values

I am trying to create a csv attachment through apex, I am getting the csv with the values. But some values for eg. 'Hi I am xyz.\n This is an example code.' are getting split to next cell because of ...
1
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0answers
89 views

Download Html + Blob image as text

On my VF page, I need to save to SF an html code with a signature represented as a blob (drawn with HTML5 Canvas) as a text file (preferably MS word). Right now, I'm not sure if this should be ...
2
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1answer
120 views

Why Blob equals doesn't work if one of the Blobs is retrieved from ContentDocument?

In brief, I can't test the value stored in a ContentDocument. Even if the value of the two Blobs is the exact same, equals would return false. Do someone know the reason? Here's a unit test to check ...
1
vote
1answer
958 views

Convert an apex attachment into a blob?

I am attempting to convert an apex attachment into a blob. My visualforce code is <div class="mt-5 row"> <div class="d-flex justify-content-center col-lg-12"> <...
0
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1answer
181 views

Apex Error (Image to PDF conversion) : BLOB is not a valid UTF-8 string

So i have this task where i have to convert the image uploaded in Notes and Attachment object to PDF. For that i created a trigger(before insert) on Attachment object and used the below mentioned code,...
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2answers
627 views

Combine two different PDFs in single Visualforce page?

I have used below visualforce code to display two pdf in a single page but in the result, I am getting two different PDFs with two sections with iframe. Is it possible to combine these two PDFs in ...
1
vote
1answer
33 views

Can't Convert to String some special Chars

I have a file to insert Accounts ,but some fields like account name have values with special characters like 'ñ' ,and Im having this error "BLOB is not a valid UTF-8 string" when I execute this query: ...
2
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0answers
341 views

Sending 100KB attachment via HTTPRequest throws System.UnexpectedException

I'm trying to upload an attachment from SF to a third party server using REST API, First, my third party does not support base64 content-transfer so I cannot send from SF a base64 attachment. ...
1
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1answer
10k views

How to display downloaded PDF blob in an iframe?

I am using a HttpRequest to GET a PDF: http://www.example.com/path/some.pdf I am using response.getBodyAsBlob() to store the data into a ContentVersion I can view the PDF if I open the ...
0
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1answer
335 views

Formatting Excel Column from Apex

I'm sending an email through the batch class with CSV file as an attachment, but the data alignment is wrong after generating CSV, I want the same alignment for all the columns. Please check the ...
3
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1answer
419 views

Display PDF with Visualforce using Lightning Experience

Is this post still valid as a solution to download a pdf from third-party site, then displaying it in a Visualforce page? This is what I'm doing in my code: Visualforce page <apex:page ...
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0answers
297 views

Display blob value in VF page and render as PDF

I am trying to display a PDF stored in static resource and passing the blob as a string to VF page and late rendering as PDF <apex:page controller="DataDisplayController" renderAs="pdf"> {!...
1
vote
1answer
569 views

Get visualforce page pdf blob in apex

I have a visualforce page that renders as a pdf. Is there any way in apex to get that page data as a blob? I've thought about doing an Http GET request, but I feel like there should be a more direct ...
1
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0answers
278 views

Display a PDF in Salesforce from Blob data

For our project, we need to get a PDF via API from an external private filestore, and display it within a Lightning Component. With the blob that is returned, if I set that to the src of an iFrame, it ...
0
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0answers
679 views

Apex Multipart HttpRequest - With JSON and BLOB

I am trying to consume a Google Drive API to create a file in an ApexController. I was successful in creating a file in the root folder without specifying a name using the code below http h = new ...
1
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1answer
3k views

How do I use Blob to create a PDF in my apex controller and use it in my Lightning Component without using VisualForce Pages?

This is the apex controller: public class pdfGenerate { public static final Integer limitRecords = 10; @AuraEnabled public static Blob generatePdf(){ List&...
5
votes
1answer
816 views

How to check Blob objects for equality?

Rather disappointingly for Blobs this assertion fails: System.assert(Blob.valueOf('abc') == Blob.valueOf('abc')); though the Apex Expression Operators documentation over ambitiously says that: ...
5
votes
3answers
3k views

Unsupported mime Type when creating Blob instance into lightning community

I am having problems when I try to use the lib jsPDF in order to generate dynamic PDF documents and download them from the browser. The problem is 'Unsupported mime type'. This is due to the function ...
3
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1answer
1k views

Returning a blob to a lightning component split error

I have a lightning component that queries for a Static Resource and returns the body. When the lightning component receives the blob data aura throws an error This page has an error. You might ...
6
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2answers
1k views

MD5 Blob Cannot Convert to String

I'm attempting to generate an MD5 hash in my Apex code and having issues converting the Blob object that Crypto.generateDigest() returns back into a string. The input Blob is a just-Blob.valueOf()-...
3
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1answer
1k views

What Field Type should be used to assign Blob primitive data type?

I need to assign Blob value to a field. I've already tried Text and URL field types but I've got next error Illegal assignment from Blob to String. Is it possible? What field type should I choose? ...
2
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2answers
2k views

EROR: BLOB is not a valid UTF-8 string

We have a custom REST api that throws an error when ever we have a diacritic character as part of the JSON request. For example if the character "é" is anywhere in the JSON it errors when we convert ...
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1answer
651 views

How to Upload ContentVersion into OneDrive using Apex?

I am unable to send a png file from Salesforce ContentVersion to Microsoft OneDrive. Below is my code: for (ContentVersion cv : ListFilesToBeUploaded) { Http http = new Http(); httpRequest ...
1
vote
1answer
173 views

Why does a variable of blob type, when printed gives out it's size?

String str = 'myString'; Blob b = Blob.valueOf(str); System.debug(b); System.debug(b.size()); System.debug(str); Here if I print str then the value of str(I believe it is usingvalueOf()method ...
3
votes
1answer
4k views

Multipart form data post file with multiple form parameters?

I am gone through this post and wanted to add one more form data parameter, but when I am sending a request that parameter it not getting posted into form data, please advise what I am missing. Here ...
0
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1answer
197 views

How to invoke Blob setter method?

I have a class with the following getter/setter: public Blob csvFileBody{get;set;} I have a test method from where I need to invoke the blob setter from the controller class. Please advise how to ...
1
vote
0answers
2k views

Deserialize a Blob longer than 6000000?

is there a way in Apex to store data in a Blob without using JSON, for example by casting? JSON has a limit when deserializing of 6MB, and our data is sometimes more than that. The problem is that ...
0
votes
1answer
130 views

How to attach a document to Contract that has fields auto populated and formatting saved

I am trying to automatically attach a document to the Contract Object when I create the object, but with fields auto populated (think DocuSign). I've tried a few things in Apex, but keep running into ...
3
votes
1answer
421 views

Body not a variable of ContentVersion?

I am drafting up a couple of unit tests for this code. Here is what the code looks like so far: public class ContentController { public ContentController() { file = new ContentVersion(...
0
votes
1answer
516 views

getting scientific notation when converting from string to blob to save to csv

I have a long string that I want to save to CSV. I use the following code to convert the string to blob and save as a file: Attachment newFile = new Attachment(); newFile.Name = getReportFileName(); ...
0
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1answer
802 views

Arithmetic expressions must use numeric arguments

The following class will get the content(a maximum of 10 MB) in encode format and I convert the content into decode format based on the my requirement into three parts. Now I want to add the all three ...
4
votes
1answer
2k views

How to generate a >5 MB blob for an Apex test class

I am writing a test class for a file uploader thingamajig I wrote. The class takes a blob representing the contents of the file. So far everything is going well and I've got 93% code coverage. ...
0
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1answer
55 views

HttpRequest Converting > to?

I am using code (see below) that I found for sending an AWS SES message with an HttpRequest to amazon. I am able to send MIME messages with PDF attachments and all has been great. Today, I tried ...
0
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1answer
2k views

How to write test class on Blob method

I have a PageReference method as given below I am trying to write a test class for this it shows error. Error Message: System.NullPointerException: Argument cannot be null. Stack Trace: ...
3
votes
4answers
12k views

Send Blob file via Apex Rest Callout

I'm trying to send a Blob Apex REST callout and it is keep failing. I tried all the examples in the web but didn't work. What is the standard and correct way to send Blob data via REST callouts? //...
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2answers
10k views

Save base64 data as Attachment

This has been bugging me for a while. I think I am missing something very obvious. So from a REST api I am getting a base64 data of a PDF. I am trying to save the PDF as Attachment under an object. I ...