Today, I have a problem with the HTTP request

Well, this time, I try to get an image .png from a URL. To get this I do the following:

try{ if (CoverageInfo.isOutOfCoverage()){ setError("No hay covertura suficiente de la red"); errorFlag = true; } else{ c = (HttpConnection)Connector.open(url); is = c.openDataInputStream(); for(int j=0;j
My problem is the second 'try' returns: "java.lang.illegalArgumentException". I don't really know much on HTTP conections, so I don't know that I have a lot of wrong code
in other words, I'm moving to the java language this short code on the C++ language:
WebRequest request = System.Net.WebRequest.Create(url);HttpWebResponse response = (HttpWebResponse)request.GetResponse();Stream datos = response.GetResponseStream();Imagen = new Bitmap(datos);pb1.Image = Imagen;datos.Close();response.Close();

can someone help me?

Thank you RexDoug and peter_strange,
in the book "java J2ME a tope"-unfortunately or fortunately (for me), it is in Spanish - explain everything about HTTP request and how to interpret correctly the answer. Finally with the following code, I solved my problem:
try{
//ask if i have coverage
if (CoverageInfo.isOutOfCoverage()){
setError("No hay covertura suficiente de la red");
errorFlag = true;
}
else{
//create connection
c = (HttpConnection)Connector.open(url);
c.setRequestMethod(HttpConnection.GET);
is = c.openInputStream();

//process response
if(c.getResponseCode()==HttpConnection.HTTP_OK){
size = (int)c.getLength();
if(size != -1){
data = new byte[size];
is.read(data, 0, data.length);
imagen = Bitmap.createBitmapFromBytes(data, 0, -1, 1);
}
else{
ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
int stream;
while((stream=is.read())!=-1){
byteArray.write(stream);
}
data = new byte[byteArray.size()];
data = byteArray.toByteArray();
byteArray.close();
imagen = Bitmap.createBitmapFromBytes(data, 0, -1, 1);
}
}
//close connections
c.close();
is.close();
}
}

This code is similar to the example of rexdoug.

Tags: BlackBerry Developers

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