SBSDKPDFMetadataProcessor

@interface SBSDKPDFMetadataProcessor : NSObject

Enables reading and writing of PDF metadata attributes like author, creator, title, keywords etc. to PDF files. Caution: If you want to use this feature your app must import the PDFKit module.


                    
                    
                    +readMetadataFrom:

Reads the PDF metadata from a PDF at the given URL.

Declaration

Objective-C

+ (NSDictionary *)readMetadataFrom:(NSURL *)url;

Swift

class func readMetadata(from url: URL!) -> [AnyHashable : Any]!

Parameters

url

The file URL of the PDF to read the metadata from.

Return Value

Returns a dictionary containing the PDF metadata or nil if the metadata could not be extracted from the file. The dictionaries keys are taken from Apple’s PDFKit.framework and can be found here: https://developer.apple.com/documentation/pdfkit/pdfdocumentattribute?language=objc .


                    
                    
                    +writeMetadata:withPDFFrom:toURL:removeCurrentMeta:

Extracts the contents of a PDF file and writes a new PDF file along with the given PDF metadata to the specified URL.

Declaration

Objective-C

+ (BOOL)writeMetadata:(NSDictionary *)metadata
          withPDFFrom:(NSURL *)pdfUrl
                toURL:(NSURL *)pdfOutput
    removeCurrentMeta:(BOOL)removeMetadata;

Swift

class func writeMetadata(_ metadata: [AnyHashable : Any]!, withPDFFrom pdfUrl: URL!, to pdfOutput: URL!, removeCurrentMeta removeMetadata: Bool) -> Bool

Parameters

`metadata`	The PDF metadata dictionary to be written to the output PDF file. The dictionaries keys are taken from Apple’s PDFKit.framework and can be found here: https://developer.apple.com/documentation/pdfkit/pdfdocumentattribute?language=objc .
`withPDFFrom`	The file URL of the source PDF file.
`toURL`	The file URL of the destination PDF file.
`removeCurrentMeta`	If set to YES, the source PDF metadata is ignored. Otherwise both metadata structures will be merged.

Return Value

YES, if the metadata has been successfully saved. NO otherwise.