protected InputStream post()

in src/main/java/com/vmware/vim25/ws/WSClient.java [140:199]
51 lines of code
12 McCabe index (conditional complexity)

    protected InputStream post(String soapMsg) throws IOException {
        HttpURLConnection postCon = (HttpURLConnection) baseUrl.openConnection();
        if (sslSocketFactory != null && baseUrl.getProtocol().equalsIgnoreCase("https")) {
            ((HttpsURLConnection) postCon).setSSLSocketFactory(sslSocketFactory);
        }

        if (log.isTraceEnabled()) {
            log.trace("POST: " + soapAction);
            log.trace("Payload: " + soapMsg);
        }
        if (connectTimeout > 0) {
            postCon.setConnectTimeout(connectTimeout);
        }
        if (readTimeout > 0) {
            postCon.setReadTimeout(readTimeout);
        }

        try {
            postCon.setRequestMethod("POST");
        }
        catch (ProtocolException e) {
            log.debug("ProtocolException caught.", e);
        }

        postCon.setDoOutput(true);
        postCon.setDoInput(true);
        String soapAction = this.soapAction;
        if (soapAction == null) {
            soapAction = "";
        }
        postCon.setRequestProperty(SoapAction.SOAP_ACTION_HEADER.toString(), soapAction);
        postCon.setRequestProperty("Content-Type", "text/xml; charset=utf-8");

        if (cookie != null) {
            if (log.isTraceEnabled()) {
                log.trace("Setting Cookie " + cookie);
            }
            postCon.setRequestProperty("Cookie", cookie);
        }

        OutputStream os = postCon.getOutputStream();
        OutputStreamWriter out = createOutputStreamWriter(os);

        out.write(soapMsg);
        out.close();

        InputStream is = getInputStreamFromConnection(postCon);

        if (postCon.getResponseCode() >= 300){
            String newUrl = postCon.getHeaderField("Location");
            String extraMsg = newUrl == null? "" : ". Please use URL '" + newUrl + "' instead";
            throw new IOException("Unable to call " + baseUrl + ": " + postCon.getResponseMessage() + extraMsg);
        }

        if (cookie == null) {
            cookie = postCon.getHeaderField("Set-Cookie");
            log.trace("Cookie was null. Fetching Set-Cookie header to get new Cookie.");
        }
        return is;
    }