On Fri, 2006-08-04 at 22:38 +0200, Roland Weber wrote:
> Hello Jaya,
>
> > When I set the content header on the post method I am
> > not able to parse the parameters on the backend i.e
> > request.getParameters returns null.
>
> Do not touch the Content-Type header. It's one of the
> things that's handled by HttpClient. Whatever you do
> to that header can only make things worse.
>
> > I am currently sending Latin-1 characters but we need
> > to make it UTF-8 compliant. Basically my question is
> > how do I change the charset for the request body?
> >
> > Here's what I am doing right now that doesn't work:
> >
> > // Create a method instance.
> > PostMethod postmethod= new PostMethod(url);
> > postmethod.setRequestHeader("Content-Type",
> > "application/x-www-form-urlencoded; charset=utf-8"););
>
> www-form-urlencoded is US-ASCII by definition. The only
> charset allowed in URLs is US-ASCII. It is pure luck
> (or tolerant behavior of libraries and servers) that it
> worked with Latin-1 at all.
>
> > // set the input parameters
> > Iterator it = paramList.keySet().iterator();
> > while (it.hasNext()) {
> > String paramName = (String) it.next();
> > postmethod.addParameter(paramName,
> > paramList.get(paramName));
> > }
>
> If you need to support charsets, you can't use
> PostMethod.addParameter(). Use PostMethod.setRequestEntity()
> instead, with a MultiPartRequestEntity:
> http://jakarta.apache.org/commons/httpclient/apidocs/org/apache/commons/httpclient/methods/multipart/MultipartRequestEntity.html
> You can set the HTTP_CONTENT_CHARSET parameter to UTF-8:
> http://jakarta.apache.org/commons/httpclient/apidocs/org/apache/commons/httpclient/params/HttpMethodParams.html#HTTP_CONTENT_CHARSET
>
MultiPartRequestEntity may be an overkill in this situation. This should
suffice:
NameValuePair[] params = new NameValuePair[] {
new NameValuePair("name", "value")
};
String content = EncodingUtil.formUrlEncode(params, "UTF-8");
StringRequestEntity entity = new StringRequestEntity(content,
PostMethod.FORM_URL_ENCODED_CONTENT_TYPE, "US-ASCII");
Oleg
> hope that helps,
> Roland
>
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