Re: [Htmlunit-user] java.lang.ClassCastException: com.gargoylesoftware.htmlunit.TextPage cannot be cast to com.gargoylesoftware.htmlunit.html.HtmlPage

[smk s. <ste...@gm...>]

Hi

The problem is that you initialize the page as HtmlPage and not as Page.

Thus you should do

*Page*  page = webClient.getPage(request);   //not HtmlPage

and then after the click  you can do the check of the response as mentioned
at the first response.

page = elementTocick.click();

if(page instanceof TextPage)
.........
else if(
......

My opinion though is to assign a new Page object at the response after the
click

e.g

Page responseAfterClick  = elementTocick.click();
if(responseAfterClick instanceof TextPage)
.......
else if (
.......

and if you are sure that it always rerurns a TextPage then you can
initialize it as TextPage from the beginning

TextPage = responseAfterClick  = elementTocick.click();

Hope that helps

Stergios



2014-02-05 Sreenadh VP <sre...@co...>:

> Hi,
>
> Thanks for your attention and response.
>
> I have following code
>
> WebRequest request = new WebRequest(new URL(Url));
>
> HtmlPage   page = webClient.getPage(request);
>
> HtmlButton elementTocick = (HtmlButton)page.getElementById("elementId");
>
>     page = elementTocick.click(); // fails with
> java.lang.ClassCastException: com.gargoylesoftware.htmlunit.TextPage cannot
> be cast to com.gargoylesoftware.htmlunit.html.HtmlPage
>
> Need to assign new page  after click to* page* reference of type
> HtmlPage, how can do the the same? Please advice
>
> Sreenadh
>
>
> On Wed, Feb 5, 2014 at 2:49 PM, smk smk <ste...@gm...> wrote:
>
>> Hi
>>
>> As Sreenadh mentioned not every response is an HtmlPage object however
>> all of them are Page objects. Thus you have to typecast accordingly.
>>
>> Check the following code wchich returns the source as String according to
>> the type of the response.
>>
>> Page pageSource = webClient.getPage("http://example.com");
>> String  pageSourceString = getPageSource(pageSource);
>>
>> public static String getPageSource(Page page)
>>  {
>> if(page instanceof HtmlPage)
>>  {
>> return ((HtmlPage)page).asXml();
>>  }
>> else if(page instanceof JavaScriptPage)
>>  {
>> return ((JavaScriptPage)page).getContent();
>>  }
>> else if(page instanceof TextPage)
>>  {
>> return ((TextPage)page).getContent();
>>  }
>> else //page instanceof UnexpectedPage
>>  {
>> return ((UnexpectedPage)page).getWebResponse().getContentAsString();
>>  }
>> }
>>
>> From the above example you can see that there are 4 different types of
>> Pages that  webClient returns.
>>
>> The method used here returns the string of the source however you can
>> modify the code to your needs according to the instance is returned.
>>
>> Stergios
>>
>>
>>
>>
>>
>> 2014-02-05 Ahmed Ashour <asa...@ya...>:
>>
>>>  Hi,
>>>
>>> This happens when HtmlUnit determines the content type of this page to
>>> be plain text, not HTML.
>>>
>>> Please send the details of the complete case.
>>>
>>> Ahmed
>>>   ------------------------------
>>>  *From:* Sreenath <sre...@gm...>
>>> *To:* "htm...@li..." <
>>> htm...@li...>
>>> *Sent:* Wednesday, February 5, 2014 11:53 AM
>>> *Subject:* [Htmlunit-user] java.lang.ClassCastException:
>>> com.gargoylesoftware.htmlunit.TextPage cannot be cast to
>>> com.gargoylesoftware.htmlunit.html.HtmlPage
>>>
>>> Hello,
>>>
>>> I have tried to load pme web page url and did submission  of the page,
>>> second page is not getting loaded due to following issue.
>>>
>>>
>>> java.lang.ClassCastException: com.gargoylesoftware.htmlunit.TextPage
>>> cannot be cast to com.gargoylesoftware.htmlunit.html.HtmlPage
>>>
>>> Note: my page is type of HtmlPage, not able to cast to HtmlPage
>>>
>>> Please advice why the second page is coming as type of
>>>  com.gargoylesoftware.htmlunit.TextPage, and how can assign to HtmlPage
>>> type the same.
>>>
>>> Thanks in Advance
>>> Sreenadh
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Managing the Performance of Cloud-Based Applications
>>> Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
>>> Read the Whitepaper.
>>>
>>> http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk
>>> _______________________________________________
>>> Htmlunit-user mailing list
>>> Htm...@li...
>>> https://lists.sourceforge.net/lists/listinfo/htmlunit-user
>>>
>>>
>>
>>
>> ------------------------------------------------------------------------------
>> Managing the Performance of Cloud-Based Applications
>> Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
>> Read the Whitepaper.
>>
>> http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk
>> _______________________________________________
>> Htmlunit-user mailing list
>> Htm...@li...
>> https://lists.sourceforge.net/lists/listinfo/htmlunit-user
>>
>>
>