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Date: Mon, 21 May 2012 11:32:22 -0400
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Subject: Re: post json in the body with parameters
From: Mansour Al Akeel <mansour.alakeel@gmail.com>
To: HttpClient User Discussion <httpclient-users@hc.apache.org>
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David, I tried this and it didn't work.
I don't want to modify anything on the server side. This is why I am
trying to get it to work this way.
Now I have seen it being done with other frameworks, including httpclient 3=
.X
where we had post.setRequestBody(String).
Does this mean that HttpClient 4.X is missing this ?

Thank you.

On Mon, May 21, 2012 at 11:18 AM, David Motes <davidmotes@gmail.com> wrote:
> =A0If the server will only accept one body part then you =A0are stuck..
> =A0You can only send the json body part or the form url encoded body part=
.
> =A0You can't mix them.. (I guess you could if you were writing the
> server software, but that is an aside...)
>
> =A0If the server would accept multi-part you would just create a
> multi-part entity, add a string entity with the form url encoded part
> and another string entity with the json part and do the post.
>
> =A0Sorry not much help.
>
> On Mon, May 21, 2012 at 11:00 AM, Mansour Al Akeel
> <mansour.alakeel@gmail.com> wrote:
>> David,
>> I appreciate your response.
>> No, the server doesn't accept multi form data so it's won't work. The
>> reason I am trying to avoid parameters in the URL is because,
>> I have a different request that I need to construct with more
>> parameters. So having something like
>>
>> if (condition 1)
>> url =3D url+"param1=3D" + val1
>> if (condition 2)
>> url =3D url + "param2" + val 2
>> else ....
>> ..
>>
>> It works, but not sure if there's a better way. Plus, with POST we
>> usually set the param in the body and not in the URL.
>>
>> I want to use StringEntity to construct the body of the request, but
>> then I can not set any additional parameters using some thing like:
>>
>> List<NameValuePair> nameValuePairs =3D new ArrayList<NameValuePair>(1);
>> nameValuePairs.add(new BasicNameValuePair("commit", "true"));
>> post.setEntity(new UrlEncodedFormEntity(nameValuePairs));
>>
>> So I have to set only of them, Either use StringEntity to set the body
>> of the message, or use UrlEncodedFormEntity.
>> If I have some complex parameters to be constructed, then I can not
>> use UrlEncodedFormEntity, and will have to do it
>> the manual way through appending to the url.
>>
>> I hope this clarifies the issue.
>>
>> Thank you.
>>
>>
>> On Mon, May 21, 2012 at 10:44 AM, David Motes <davidmotes@gmail.com> wro=
te:
>>> =A0The curl example using the url curl
>>> 'http://localhost:8983/solr/update/json?commit=3Dtrue'
>>> =A0and the HttpClient code using the url String url =3D
>>> "http://localhost:8080/solr/update/json?commit=3Dtrue";
>>>
>>> =A0are doing the same thing..
>>>
>>> =A0Why is it a problem using this url in the HttpClient code?
>>> =A0Do you not want to use the StringEntity?
>>> =A0Will your server accept multipart post data?
>>>
>>> =A0Some more info will help..
>>>
>>> On Mon, May 21, 2012 at 1:19 AM, Mansour Al Akeel
>>> <mansour.alakeel@gmail.com> wrote:
>>>> I am trying to post some json data going through this
>>>> http://wiki.apache.org/solr/UpdateJSON tutorial.
>>>> As the document shows, the following command should work,
>>>>
>>>> curl 'http://localhost:8983/solr/update/json?commit=3Dtrue'
>>>> --data-binary @books.json -H 'Content-type:application/json'
>>>>
>>>> And it does.
>>>> However, doing it with HttpClient is a bit different. I need to post
>>>> JSON data from a string. Including the data requires that I create a
>>>> StringEntity.
>>>> However this leaves me with passing any additional parameters, through
>>>> the URL. So the only way I was able to get it to work, is by adding
>>>> the parameter (commit=3Dtrue)
>>>> to the url as in the following code.
>>>>
>>>> private static String url =3D
>>>> "http://localhost:8080/solr/update/json?commit=3Dtrue";
>>>> =A0 =A0 =A0 =A0@Override
>>>> =A0 =A0 =A0 =A0public void index(ProductData product) {
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0HttpClient httpclient =3D new DefaultHt=
tpClient();
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0HttpPost post =3D new HttpPost(url);
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0post.addHeader("Content-type", "applica=
tion/json");
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0String d =3D "[ { \"id\" : \"123\", =A0=
 \"name\" : \"My Product\" } ]";
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0try {
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0StringEntity entity =3D=
 new StringEntity(d);
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0entity.setContentEncodi=
ng("UTF-8");
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0entity.setChunked(true)=
;
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0entity.setContentType("=
application/json");
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0post.setEntity(entity);
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0HttpResponse response =
=3D httpclient.execute(post);
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0System.out.println(resp=
onse);
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0} catch (UnsupportedEncodingException e=
) {
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0e.printStackTrace();
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0} catch (ParseException e) {
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0e.printStackTrace();
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0} catch (IOException e) {
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0e.printStackTrace();
>>>> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0}
>>>> =A0 =A0 =A0 =A0}
>>>>
>>>> I googled for this issue, and the closest I was able to find is
>>>> http://stackoverflow.com/questions/2017414/post-multipart-request-with=
-android-sdk,
>>>> where the solution suggests using MultiPartEntity.
>>>> I am not sure if this is the only way.
>>>> So my question is, what do I need to do, to be able to able to set the
>>>> parameters on the post request ??
>>>>
>>>> Thank you.
>>>>
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