Walden,
Here is some client code that I had been playing with (attached). Its
far from production, but it is an example of using HttpClient.
Walden Mathews wrote:
>
> Okay thanks (I was *almost* there).
>
> > -----Original Message-----
> > From: Martin van den Bemt [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, July 10, 2002 5:51 PM
> > To: Jakarta Commons Users List
> > Subject: RE: [Httpclient] Samples?
> >
> >
> > Do a cvs checkout of the jakart-commons/httpclient
> > and look in the src/test directory..
> > btw they are all based on junit (of course ;))
> >
> > Mvgr,
> > Martin
> >
> > On Wed, 2002-07-10 at 23:46, Walden Mathews wrote:
> > > That sounds promising. Where would I find them? Sorry if it's
> > > obvious, but I browsed around for a while...
> > >
> > > Walden
> > >
> > > > -----Original Message-----
> > > > From: Martin van den Bemt [mailto:[EMAIL PROTECTED]]
> > > > Sent: Wednesday, July 10, 2002 5:38 PM
> > > > To: Jakarta Commons Users List
> > > > Subject: Re: [Httpclient] Samples?
> > > >
> > > >
> > > > Maybe a copy & paste from the testcases can help..
> > > >
> > > > Mvgr,
> > > > Martin
> > > >
> > > > On Wed, 2002-07-10 at 23:33, Walden Mathews wrote:
> > > > > Hi,
> > > > >
> > > > > I need to get a small demo up and running quickly. Can
> > > > someone point
> > > > > me to some samples? I promise to read the API docs
> > > > carefully in due time.-)
> > > > >
> > > > > Thanks,
> > > > >
> > > > > Walden Mathews
> > > > > ILX Systems
> > > > > 111 Fulton St. 3rd Floor
> > > > > New York, NY 10038
> > > > > Phone (212) 510-3121
> > > > > Fax (212) 520-3800
> > > > >
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> > > >
> > >
> > >
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import org.apache.commons.httpclient.*;
import org.apache.commons.httpclient.methods.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
public class httpuser
{
static String host = "127.0.0.1";
static int port = 80;
static HttpClient httpclient;
static String className = "httpuser";
static Log logger = LogFactory.getLog(className);
public static void main(String[] args)
{
httpclient = new HttpClient();
HttpState httpstate = new HttpState();
//httpstate.setCredentials("Protected Section", new
UsernamePasswordCredentials("user0", "user0"));
httpclient.setState(httpstate);
httpclient.startSession(host, port);
httpclient.startSession(host, port, new UsernamePasswordCredentials("user0",
"user0"));
GetMethod getmethod0 = new GetMethod("/~jsdever/protected/file0.txt");
handleHttpRequest(getmethod0);
handleHttpResponse(getmethod0);
PostMethod postmethod = new PostMethod("/~jsdever/protected/file1.txt");
postmethod.addParameter("name", "value1");
System.out.println(postmethod.getParameter("name"));
postmethod.addParameter("name", "value2");
System.out.println(postmethod.getParameter("name"));
handleHttpRequest(postmethod);
handleHttpResponse(postmethod);
try{
httpclient.endSession();
}catch (Exception ex){
logger.error("Exception thrown", ex);
}
}
static void handleHttpRequest(HttpMethod httpmethod)
{
String methodName = "handleHttpRequest";
//check for a bogus argument
if (httpmethod == null){
logger.warn("httpmethod argument is null");
return;
}
else if (httpmethod.hasBeenUsed()){
logger.warn("httpmethod has already been executed");
return;
}
//perform the http method execution
try{
httpclient.executeMethod(httpmethod);
}catch (java.io.IOException ioe){
logger.error("Exception thrown", ioe);
}catch (HttpException httpe){
logger.error("Exception thrown", httpe);
}
//log the headers
if (logger.isDebugEnabled()){
StringBuffer sb = new StringBuffer();
sb.append(httpmethod.getName());
sb.append(' ');
sb.append(httpmethod.getPath());
sb.append('?');
sb.append(httpmethod.getQueryString());
sb.append('\n');
Header[] headers = httpmethod.getRequestHeaders();
sb.append("HTTP Request Headers\n");
for (int i=0; i<headers.length; i++){
sb.append(headers[i]);
}
logger.debug(sb.toString());
}
}
static void handleHttpResponse(HttpMethod httpmethod)
{
String methodName = "handleHttpResponse";
//check for a bogus argument
if (httpmethod == null){
logger.warn("httpmethod argument is null");
return;
}
else if (!httpmethod.hasBeenUsed()){
logger.warn("httpmethod has not been executed yet");
return;
}
int statusCode = httpmethod.getStatusCode();
String statusText = httpmethod.getStatusText();
logger.debug("Webserver returned status: " + statusCode + " - " + statusText);
if (statusCode >= 300){
logger.warn("Error status code returned from webserver");
}
//log the headers if required
if (logger.isDebugEnabled()){
Header[] headers = httpmethod.getResponseHeaders();
StringBuffer sb = new StringBuffer();
sb.append("HTTP Response Headers\n");
for (int i=0; i<headers.length; i++){
sb.append(headers[i]);
}
logger.debug(sb.toString());
}
//deal with the cookies
Header cookieHeader = httpmethod.getResponseHeader("Set-Cookie");
if (cookieHeader != null){
try{
Cookie[] cookies = Cookie.parse(host, port, httpmethod.getPath(),
cookieHeader);
logger.debug(cookieHeader);
for (int i=0; i<cookies.length; i++){
httpclient.getState().addCookie(cookies[i]);
}
}catch (HttpException httpe){
logger.warn("Failed to parse the cookie header: " + httpe.getMessage());
}catch (Exception ex){
logger.warn("Exception thrown when handling cookies", ex);
}
}
}
}
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