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PDF From URL - Salesforce

PDF from URL (URL to PDF) sample in Salesforce demonstrating ‘PDF From URL’

PdfFromURL.cls
public class PdfFromURL {

    String API_KEY = '*******************';
    string DestinationFile = 'PdfFromUrl'; 
    string endPointUrl = 'https://api.pdf.co/v1/pdf/convert/from/url';
    
    public void pdfFromUrl()
    {
        try
        {  
            String jsonBody = '{ "url": "https://wikipedia.org/wiki/Wikipedia:Contact_us", "margins": "5mm", "paperSize": "Letter", "orientation": "Portrait", "printBackground": true, "header": "", "footer": "", "mediaType": "print", "async": false, "encrypt": false } ';
            Http http = new Http();
            HttpRequest request = new HttpRequest();            
            request.setHeader('x-api-key', API_KEY);
            request.setEndpoint(endPointUrl);
            request.setHeader('Content-Type', 'application/json');
            request.setMethod('POST');            
            request.setBody(jsonBody);            
            HttpResponse response =  http.send(request);            
            Map<String, Object> json = (Map<String, Object>)JSON.deserializeUntyped(response.getBody());            
            if(response.getStatusCode() == 200) 
            {
                if ((Boolean)json.get('error') == false)
                {
                    System.debug('response.getBody() :: '+response.getBody());
                    String resultFileUrl =(String)json.get('url');
                    downloadFile(resultFileUrl, DestinationFile);
                    System.debug('Generated PDF file saved as \'{0}\' file.'+ DestinationFile);
                }
            }
            else
            {
                System.debug('Error Response ' + response.getBody());
                System.Debug(' Status ' + response.getStatus());
                System.Debug(' Status Code' + response.getStatusCode());
                System.Debug(' Response String' + response.toString());
            }
        }
        catch (Exception ex)
        {
            String errorBody = 'Message: ' + ex.getMessage() + ' -- Cause: ' + ex.getCause() + ' -- Stacktrace: ' + ex.getStackTraceString();
            System.Debug(errorBody);
        }
    }
    
    @TestVisible
    private static void downloadFile(String extFileUrl, String DestinationFile)
    {
        Http h = new Http(); 
        HttpRequest req = new HttpRequest(); 
        extFileUrl = extFileUrl.replace(' ', '%20'); 
        req.setEndpoint(extFileUrl); 
        req.setMethod('GET'); 
        req.setHeader('Content-Type', 'application/pdf');
        req.setCompressed(true); 
        req.setTimeout(60000); 
        HttpResponse res  = h.send(req); 
        if(res.getStatusCode() == 200) 
        {
            blob fileContent = res.getBodyAsBlob();
            ContentVersion conVer = new ContentVersion();
            conVer.ContentLocation = 'S'; 
            conVer.PathOnClient = DestinationFile + '.pdf'; // The files name, extension is very important here which will help the file in preview.
            conVer.Title = DestinationFile; // Display name of the files
            conVer.VersionData = fileContent;
            insert conVer;
            System.Debug('Success');
        }
        else
        {
            System.debug('Error Response ' + res.getBody());
            System.Debug(' Status ' + res.getStatus());
            System.Debug(' Status Code' + res.getStatusCode());
            System.Debug(' Response String' + res.toString());
        }
    }
}
PdfFromURLTest.cls
@isTest
private class PdfFromURLTest {
    
    static testmethod void testPdfFromURL()
    {
        Test.startTest();
        Test.setMock(HttpCalloutMock.class, new PdfFromURLTest.PdfFromURLMock());
        PdfFromURL obj = new PdfFromURL();
        obj.pdfFromUrl();
        Test.stopTest();
    }
    
    static testmethod void testPdfFromURLForCatch()
    {
        Test.startTest();
        PdfFromURL obj = new PdfFromURL();
        obj.pdfFromUrl();
        Test.stopTest();
    }
    
    public class PdfFromURLMock implements HttpCalloutMock {
        public HttpResponse respond(HTTPRequest req) {
            HttpResponse res = new HttpResponse();
            String testBody = '{ "url": "https://pdf-temp-files.s3.us-west-2.amazonaws.com/I2K4REAIUDL5VJXG3WR10SUI7WPTSLD2/newDocument.pdf?X-Amz-Expires=3600&X-Amz-Security-Token=FwoGZXIvYXdzEHAaDBbojXVomGyhj38pUSKCATL90aSv8rG9O6XHS66qBmgm%2FCnX8DpXzL1M2Zcs43pyK1dn%2Fa6TLlyUal2%2Bzda%2BipdNBljLhyjY5SXzNARe56f0AEUjEHYHfjCe6O3ejZs33WbNYD1qBfMiONcWaEA25Dt%2FV0ukP8ixVMVlbNJWGAaF6iz2Laax5NxdB3%2B3IBGBBI4oge2XoAYyKC0Q1BwVxGl78nymJAkUDDrO0WISEusfCKB4ldP%2Bv%2F2lTbef0NZSHDE%3D&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIA4NRRSZPHGEJLXAAK/20230306/us-west-2/s3/aws4_request&X-Amz-Date=20230306T155847Z&X-Amz-SignedHeaders=host&X-Amz-Signature=62cfc8ca245dee65c3aadb50e479d81c87443c031df743b841fb5e11cac87c96", "pageCount": 1, "error": false, "status": 200, "name": "newDocument.pdf", "credits": 9, "duration": 3001, "remainingCredits": 1165546 } ';
            res.setHeader('Content-Type', 'application/json');
            res.setBody(testBody);
            res.setStatusCode(200);
            return res;
        } 
    }
}

PDF.co Web API: the Web API with a set of tools for documents manipulation, data conversion, data extraction, splitting and merging of documents. Includes image recognition, built-in OCR, barcode generation and barcode decoders to decode bar codes from scans, pictures and pdf.

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