How to validate pdf document for Hyperlinks ,Actions using aspose.pdf, C#, DotNet

Function to validate pdf document for Hyperlinks, Actions using aspose.pdf, C#, DotNet

#region "Description"

/*       

 Method given in blog can be used to determine if a pdf document contains or not

 1) Add reference to Aspose.Pdf dll in your project

 2) Add reference to Aspose.Pdf namespace in your class

 e.g. (using Aspose.Pdf;)

 3) Add method isHyperLinkExistInPdf() in your class

 Aspose.Pdf Reference: http://www.aspose.com/.net/total-component.aspx

 

*/      

#endregion

#region "Method"

/// <summary>

/// returns True if Pdf document stream contains any hyperlink

/// </summary>

/// <param name="streamPdfDoc">pdf document stream</param>

/// <returns></returns>

public bool isHyperLinkExistInPdf(Stream streamPdfDoc)

{

    bool bIsHyperLinkExistInPDF = false;

    Page page = null;

    Aspose.Pdf.InteractiveFeatures.Annotations.AnnotationSelector selector = null;

    IList list = null;

    try

    {

        streamPdfDoc.Position = 0;

        Aspose.Pdf.Document pdfDocument = new Aspose.Pdf.Document(streamPdfDoc);

        //extract actions

        for (int pages = 1; pages <= pdfDocument.Pages.Count; pages++)

        {

            page = pdfDocument.Pages[pages];

            selector = new Aspose.Pdf.InteractiveFeatures.Annotations.AnnotationSelector(new Aspose.Pdf.InteractiveFeatures.Annotations.LinkAnnotation(page, Aspose.Pdf.Rectangle.Trivial));

            page.Accept(selector);

            list = selector.Selected;

            if (list.Count > 0)

            {

                bIsHyperLinkExistInPDF = true;

                break;

            }

        }

        return bIsHyperLinkExistInPDF;

    }

    catch

    {

    }

    return bIsHyperLinkExistInPDF;

}

#endregion