Intercept a corrupted pdf

[brwno]

Hello!

Have any method to intercept and show a alert when I receive a corrupted PDF?
Today the screen show a white empty space. I not find anyone parameter for considerate if the PDF is valid or not, just print this in console:

E/PDFView ( 6319): load pdf error
E/PDFView ( 6319): java.io.IOException: cannot create document: File not in PDF format or corrupted.
E/PDFView ( 6319): at com.shockwave.pdfium.PdfiumCore.nativeOpenDocument(Native Method)
E/PDFView ( 6319): at com.shockwave.pdfium.PdfiumCore.newDocument(PdfiumCore.java:135)
E/PDFView ( 6319): at com.github.barteksc.pdfviewer.source.FileSource.createDocument(FileSource.java:38)
E/PDFView ( 6319): at com.github.barteksc.pdfviewer.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:49)
E/PDFView ( 6319): at com.github.barteksc.pdfviewer.DecodingAsyncTask.doInBackground(DecodingAsyncTask.java:25)
E/PDFView ( 6319): at android.os.AsyncTask$3.call(AsyncTask.java:394)
E/PDFView ( 6319): at java.util.concurrent.FutureTask.run(FutureTask.java:266)
E/PDFView ( 6319): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
E/PDFView ( 6319): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
E/PDFView ( 6319): at java.lang.Thread.run(Thread.java:923)