(Xojo Plugin) Example: Http.DownloadAppend method

Demonstrates the DownloadAppend method.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

Dim success As Boolean
success = False

success = False

Dim targetPath As String
targetPath = "c:/temp/qa_output/download.txt"

Dim http As New Chilkat.Http
http.KeepResponseBody = True

// Assume the target file in the local filesystem does not yet exist.
success = http.DownloadAppend("https://chilkatsoft.com/testData/helloWorld.txt",targetPath)
Dim statusCode As Int32
statusCode = http.LastStatus
If (statusCode = 0) Then
    // Unable to either send the request or get the response.
    System.DebugLog(http.LastErrorText)
    Return
End If

// Should be 200.
System.DebugLog("Response status code: " + Str(statusCode))

// Examine the contents of the file.
Dim sb As New Chilkat.StringBuilder
success = sb.LoadFile(targetPath,"utf-8")
System.DebugLog(sb.GetAsString())

// Output: 
// Response status code: 200
// Hello World!

// Download another text file and append to the target file.
success = http.DownloadAppend("https://chilkatsoft.com/testData/this_is_a_test.txt",targetPath)
statusCode = http.LastStatus
If (statusCode = 0) Then
    // Unable to either send the request or get the response.
    System.DebugLog(http.LastErrorText)
    Return
End If

// Should be 200.
System.DebugLog("Response status code: " + Str(statusCode))

// Examine the contents of the file.
success = sb.LoadFile(targetPath,"utf-8")
System.DebugLog(sb.GetAsString())

// Output:
// Response status code: 200
// Hello World!This is a Test.

// Delete the local target file.
Dim fac As New Chilkat.FileAccess
success = fac.FileDelete(targetPath)

// Try to download a file that does not exist:
success = http.DownloadAppend("https://chilkatsoft.com/testData/does_not_exist.txt",targetPath)
statusCode = http.LastStatus
If (statusCode = 0) Then
    // Unable to either send the request or get the response.
    System.DebugLog(http.LastErrorText)
Else
    // We got a response, and we already know it wasn't a 200 success response.
    // It should be a 404 not found.
    System.DebugLog("Response status code: " + Str(statusCode))
    // Examine the response body.
    System.DebugLog("Response body:")
    System.DebugLog(http.LastResponseBody)
End If