It looks like the response body is a string rather than a stream. Try using
crouton.html/parse-string instead.
- James
On 15 October 2015 at 01:27, Mike <m...@thefrederickhome.name> wrote:
> So now I'm trying to make the conversion to Crouton. Of course that is
> not going well. Here is a chunk of code:
>
> (ns one.core
> (:gen-class))
>
> (require '[clj-http.client :as client]
> '[clojure.zip :as z]
> '[clojure.data.zip :as dz]
> '[clojure.data.zip.xml :as dzx]
> '[crouton.html :as html])
>
> (defn get-post-data [url]
> (client/get url))
>
> (def response (get-post-data login-URL))
>
> (html/parse (:body response))
>
> The *response *value is correct (its the HTML), but when I try to execute
> the *html/parse* I get:
>
> java.io.FileNotFoundException:
>
>
> <html>
> <head id="Head1"><title>
> User Login Page
> <\title>
> <style>
> body
> {
> color: #000000;
> font: 12px\1.4 arial,FreeSans,Helvetica,sans-serif;
> margin: 0;
>
>
> ... TONS OF HTML DELETED ...
>
>
> <\center>
> <\form>
> <\body>
> <\html>
> (The filename or extension is too long)
> (Unknown Source) java.io.FileInputStream.open0
> FileInputStream.java:195 java.io.FileInputStream.open
> FileInputStream.java:138 java.io.FileInputStream.<init>
>
> ... LOTS OF STACK TRACE DELETED ...
>
> I hope someone can help. TIA.
>
>
> On Wednesday, October 14, 2015 at 6:03:29 PM UTC-5, James Reeves wrote:
>>
>> I'm not that familiar with Enlive, so I can't comment on the ease of that
>> approach.
>>
>> However, the way I'd personally do it is that I'd make use of Crouton and
>> the zipper functions in clojure.zip and clojure.data.zip. A zipper is a
>> functional way of navigating an immutable data structure.
>>
>> So first add Crouton and data.zip to your dependencies:
>>
>> [[crouton "0.1.2"]
>> [org.clojure/data.zip "0.1.1"]]
>>
>> Then use Crouton to parse the body of the response from clj-http:
>>
>> (crouton.html/parse (:body response))
>>
>> This will give you a data structure that's compatible with clojure.xml,
>> and therefore compatible with the XML zipper functions
>>
>> (dzx/xml1-> (z/xml-zip parsed-html)
>> dz/descendents
>> (dzx/tag= "input")
>> (dzx/attr= "name" "foo")
>>
>> In the above case I'm using the following namespace aliases:
>>
>> (require '[clojure.zip :as z]
>> '[clojure.data.zip :as dz]
>> '[clojure.data.zip.xml :as dzx])
>>
>> It's been a while since I've needed to traverse X/HTML in Clojure though,
>> so my code might be a little off.
>>
>> - James
>>
>> On 14 October 2015 at 22:53, Mike <mi...@thefrederickhome.name> wrote:
>>
>>> Thanks James! You helped me get another step along the way, I got this
>>> working.
>>>
>>> Of course you mentioned Crouton; you should and I asked for advice on my
>>> approach. So please allow me to expand the problem statement and you may
>>> advise me further...
>>>
>>> Once I get this HTML parsed, I know that somewhere buried in this page
>>> is an *<input>* tag that has *name="name"* attribute where I will
>>> specify the name value at run time. I will need to be able to
>>> programmatically find this tag and pul some values out of it. Will using
>>> *clj-tagsoup* or *Crouton *make this location operation easier?
>>> Perhaps even using *Enlive *might make it easier, since the location
>>> and path to the tag is not known; it must be located.
>>>
>>> On Wednesday, October 14, 2015 at 1:53:11 PM UTC-5, James Reeves wrote:
>>>>
>>>>
>>>> Crouton is an alternative HTML parsing library (that's coincidentally
>>>> written by me) and can be found at:
>>>> https://github.com/weavejester/crouton
>>>>
>>>> Crouton uses a slightly different output syntax, which is compatible
>>>> with Clojure's xml zipper functions, making it more suitable for document
>>>> searches and traversal (IMO).
>>>>
>>>> - James
>>>>
>>>>
>>
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