How to upload fies to Knowledge center via Content Service

@shivamg

I wont be able to attach screenshots but I will surely help you with code.
Below is the code snippet of how to use create method.

private Long createDocument(String documentName, Long saveInFolder, double size, ContentService contentService) {
\ tDocument document = null;
\ tLong generatedDocument = null;
\ tint sizeInt = (int) Math.ceil(size);
\ ttry {
\ tdocument = new Document(saveInFolder, documentName, "zip");
\ tdocument.setState(ContentConstants.STATE_ACTIVE_PUBLISHED);
\ tdocument.setSize(sizeInt);
\ tdocument.setFileSystemId(ContentConstants.ALLOCATE_FSID);
\ tgeneratedDocument = contentService.create(document, ContentConstants.UNIQUE_NONE);
\ t} catch (Exception e) {
\ te.printStackTrace();
\ t}

\ treturn generatedDocument;

\t}
First create an InputStream of the original file which you want to upload.
Then use the above logic to create a document and you get the document id.
Use the document id to get the InternalFilename i.e the file path and create an OutputStream if the document created.
Then read from the InputStream and write into the OutputStream.
The document is uploaded into the KC and you have the document id too.

Now that I am aware of upload method in the Appian API i would suggest you to go for upload method because it save a lot of coding and it might be more efficient too.

@shivamg

I wont be able to attach screenshots but I will surely help you with code.
Below is the code snippet of how to use create method.

private Long createDocument(String documentName, Long saveInFolder, double size, ContentService contentService) {
\ tDocument document = null;
\ tLong generatedDocument = null;
\ tint sizeInt = (int) Math.ceil(size);
\ ttry {
\ tdocument = new Document(saveInFolder, documentName, "zip");
\ tdocument.setState(ContentConstants.STATE_ACTIVE_PUBLISHED);
\ tdocument.setSize(sizeInt);
\ tdocument.setFileSystemId(ContentConstants.ALLOCATE_FSID);
\ tgeneratedDocument = contentService.create(document, ContentConstants.UNIQUE_NONE);
\ t} catch (Exception e) {
\ te.printStackTrace();
\ t}

\ treturn generatedDocument;

\t}
First create an InputStream of the original file which you want to upload.
Then use the above logic to create a document and you get the document id.
Use the document id to get the InternalFilename i.e the file path and create an OutputStream if the document created.
Then read from the InputStream and write into the OutputStream.
The document is uploaded into the KC and you have the document id too.

Now that I am aware of upload method in the Appian API i would suggest you to go for upload method because it save a lot of coding and it might be more efficient too.