B4X

Extract all HTML Objects from a Web Page

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Demonstrates how to download a Web page (at a URL) and extract all HTML objects. Eg. images, links, CSS files, JavaScript files, etc. B4X

Dim success As Boolean = False

'  This example assumes the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim mht As ChilkatMht
mht.Initialize("mht")

'  Download a URL into an in-memory MHT web archive contained
'  in a string variable.
'  The following URL is randomly picked and was valid at the time of writing this example:
Dim mhtDoc As String = mht.GetMHT("https://www.tetonlodge.com/")
If mht.LastMethodSuccess <> True Then
    Log(mht.LastErrorText)
    Return
End If


'  Extract the HTML and embedded objects:
Dim unpackDir As String = "C:/AAWorkarea/mhtTesting/"
Dim htmlFilename As String = "lodge.html"
Dim partsSubdir As String = "objects"

'  Extract to C:/AAWorkarea/mhtTesting/lodge.html.
'  images and other embedded objects are placed in
'  C:/AAWorkarea/mhtTesting/objects.  Directories are automatically
'  created if they don't already exist.
success = mht.UnpackMHTString(mhtDoc, unpackDir, htmlFilename, partsSubdir)
If success <> True Then
    Log(mht.LastErrorText)
Else
    Log("Unpacked!")
End If