Hi All, In my previous post Connect Salesforce with Box.com (The Integration series) I have shared how can you create a Box.com app and authorize the user from Salesforce.

In this post I am sharing two utility method to create a folder on box.com and upload a file on box.com. There are various other methods are available but for starting I have found these two most useful.

So first create a folder in box.com platform you can use this method.


private void createfolder(String fileName, string parentid)
{
String url = 'https://api.box.com/2.0/folders';
string authorizationHeader = 'Bearer '+Accesstoken ;

HttpRequest req = new HttpRequest();
req.setheader('Authorization',authorizationHeader);
req.setBody('{"name":"'+fileName+'", "parent":{"id":"0"}}');
req.setMethod('POST');
req.setEndpoint(url);

Http h = new Http();
Httpresponse resp = h.send(req);
System.debug(resp.getbody()+'-----------------------'+resp); 
}

 

To upload a file in Box.com platform use this utility method.

 


private void uploadFileCode(String folderId,Attachment file,String token){
String boundary = '----------------------------356sdf986eff';
String header = '--'+boundary+'\nContent-Disposition: form-data; name="file"; filename="'+fileName+'";\nContent-Type: application/octet-stream';

String footer = '--'+boundary+'--';
String headerEncoded = EncodingUtil.base64Encode(Blob.valueOf(header+'\r\n\r\n'));
while(headerEncoded.endsWith('=')){
header+=' ';
headerEncoded = EncodingUtil.base64Encode(Blob.valueOf(header+'\r\n\r\n'));
}
String bodyEncoded = EncodingUtil.base64Encode(file.body);

Blob bodyBlob = null;
String last4Bytes = bodyEncoded.substring(bodyEncoded.length()-4,bodyEncoded.length());
if(last4Bytes.endsWith('==')) {

last4Bytes = last4Bytes.substring(0,2) + '0K';
bodyEncoded = bodyEncoded.substring(0,bodyEncoded.length()-4) + last4Bytes;

String footerEncoded = EncodingUtil.base64Encode(Blob.valueOf(footer));
bodyBlob = EncodingUtil.base64Decode(headerEncoded+bodyEncoded+footerEncoded);
} else if(last4Bytes.endsWith('=')) {
last4Bytes = last4Bytes.substring(0,3) + 'N';
bodyEncoded = bodyEncoded.substring(0,bodyEncoded.length()-4) + last4Bytes;

footer = '\n' + footer;
String footerEncoded = EncodingUtil.base64Encode(Blob.valueOf(footer));
bodyBlob = EncodingUtil.base64Decode(headerEncoded+bodyEncoded+footerEncoded);
} else {
// Prepend the CR LF to the footer
footer = '\r\n' + footer;
String footerEncoded = EncodingUtil.base64Encode(Blob.valueOf(footer));
bodyBlob = EncodingUtil.base64Decode(headerEncoded+bodyEncoded+footerEncoded);
}

String sUrl = 'https://upload.box.com/api/2.0/files/content?parent_id='+folderId;
HttpRequest req = new HttpRequest();
req.setHeader('Content-Type','multipart/form-data; boundary='+boundary);
req.setMethod('POST');
req.setEndpoint(sUrl);
req.setBodyAsBlob(bodyBlob);
req.setTimeout(60000);
req.setHeader('Authorization', 'Bearer '+token);
req.setHeader('Content-Length',String.valueof(req.getBodyAsBlob().size()));
Http http = new Http();
HTTPResponse res = http.send(req);
System.debug(res.getbody()+'-----------------------'+res);
}

These are the two methods which you can use to create a folder and upload file.

Do you have anything to add or like this post or any other thing to share please share them in comments.

 

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2 thoughts on “Connect Salesforce with Box.com Part 2

  1. Many Thanks. I knew only User/pwd Oauth2 using apex. It was great to learn this User Agent Oauth2 flow using apex.

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