ByteArrayOutputStream bos = new ByteArrayOutputStream();
// First the multipart start divider
bos.write(getMultipartDivider());
// Add any parameters
PropertyIterator args = sampler.getArguments().iterator();
while (args.hasNext()) {
HTTPArgument arg = (HTTPArgument) args.next().getObjectValue();
String parameterName = arg.getName();
if (arg.isSkippable(parameterName)){
continue;
}
// End the previous multipart
bos.write(CRLF);
// Write multipart for parameter
writeFormMultipart(bos, parameterName, arg.getValue(), contentEncoding, sampler.getDoBrowserCompatibleMultipart());
}
// If there are any files, we need to end the previous multipart
if(files.length > 0) {
// End the previous multipart
bos.write(CRLF);
}
bos.flush();
// Keep the content, will be sent later
formDataPostBody = bos.toByteArray();
bos.close();
contentLength = formDataPostBody.length;
// Now we just construct any multipart for the files
// We only construct the file multipart start, we do not write
// the actual file content
for (int i=0; i < files.length; i++) {
HTTPFileArg file = files[i];
// Write multipart for file
bos = new ByteArrayOutputStream();
writeStartFileMultipart(bos, file.getPath(), file.getParamName(), file.getMimeType());
bos.flush();
String header = bos.toString(contentEncoding);// TODO is this correct?
// If this is not the first file we can't write its header now
// for simplicity we always save it, even if there is only one file
file.setHeader(header);
bos.close();
contentLength += header.length();
// Add also the length of the file content
File uploadFile = new File(file.getPath());
contentLength += uploadFile.length();
// And the end of the file multipart
contentLength += getFileMultipartEndDivider().length;
if(i+1 < files.length) {
contentLength += CRLF.length;
}
}
// Add the end of multipart
contentLength += getMultipartEndDivider().length;
// Set the content length
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_LENGTH, Long.toString(contentLength));
// Make the connection ready for sending post data
connection.setDoOutput(true);
connection.setDoInput(true);
}
else {
// Check if the header manager had a content type header
// This allows the user to specify his own content-type for a POST request
String contentTypeHeader = connection.getRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE);
boolean hasContentTypeHeader = contentTypeHeader != null && contentTypeHeader.length() > 0;
// If there are no arguments, we can send a file as the body of the request
if(sampler.getArguments() != null && sampler.getArguments().getArgumentCount() == 0 && sampler.getSendFileAsPostBody()) {
// we're sure that there is one file because of
// getSendFileAsPostBody method's return value.
HTTPFileArg file = files[0];
if(!hasContentTypeHeader) {
// Allow the mimetype of the file to control the content type
if(file.getMimeType() != null && file.getMimeType().length() > 0) {
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE, file.getMimeType());
}
else {
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE, HTTPConstants.APPLICATION_X_WWW_FORM_URLENCODED);
}
}
// Create the content length we are going to write
File inputFile = new File(file.getPath());
contentLength = inputFile.length();
}
else {
// We create the post body content now, so we know the size
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// If none of the arguments have a name specified, we
// just send all the values as the post body
String postBody = null;
if(!sampler.getSendParameterValuesAsPostBody()) {
// Set the content type
if(!hasContentTypeHeader) {
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE, HTTPConstants.APPLICATION_X_WWW_FORM_URLENCODED);
}
// It is a normal post request, with parameter names and values
postBody = sampler.getQueryString(contentEncoding);
}
else {
// Allow the mimetype of the file to control the content type
// This is not obvious in GUI if you are not uploading any files,
// but just sending the content of nameless parameters
// TODO: needs a multiple file upload scenerio
if(!hasContentTypeHeader) {
HTTPFileArg file = files.length > 0? files[0] : null;
if(file != null && file.getMimeType() != null && file.getMimeType().length() > 0) {
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE, file.getMimeType());
}
else {
// TODO: is this the correct default?
connection.setRequestProperty(HTTPConstants.HEADER_CONTENT_TYPE, HTTPConstants.APPLICATION_X_WWW_FORM_URLENCODED);
}
}
// Just append all the parameter values, and use that as the post body
StringBuilder postBodyBuffer = new StringBuilder();
PropertyIterator args = sampler.getArguments().iterator();
while (args.hasNext()) {
HTTPArgument arg = (HTTPArgument) args.next().getObjectValue();
postBodyBuffer.append(arg.getEncodedValue(contentEncoding));
}
postBody = postBodyBuffer.toString();
}