import com.sun.xml.internal.ws.client.BindingProviderProperties; //导入依赖的package包/类
private void createHttpConnection() throws IOException {
    httpConnection = openConnection(context);

    if (httpConnection == null)
            httpConnection = (HttpURLConnection) endpoint.openConnection();

    String scheme = endpoint.getURI().getScheme();
    if (scheme.equals("https")) {
        https = true;
    }
    if (checkHTTPS(httpConnection))
            https = true;

    // allow interaction with the web page - user may have to supply
    // username, password id web page is accessed from web browser
    httpConnection.setAllowUserInteraction(true);

    // enable input, output streams
    httpConnection.setDoOutput(true);
    httpConnection.setDoInput(true);

    String requestMethod = (String) context.invocationProperties.get(MessageContext.HTTP_REQUEST_METHOD);
    String method = (requestMethod != null) ? requestMethod : "POST";
    httpConnection.setRequestMethod(method);

    //this code or something similiar needs t be moved elsewhere for error checking
    /*if (context.invocationProperties.get(BindingProviderProperties.BINDING_ID_PROPERTY).equals(HTTPBinding.HTTP_BINDING)){
        method = (requestMethod != null)?requestMethod:method;
    } else if
        (context.invocationProperties.get(BindingProviderProperties.BINDING_ID_PROPERTY).equals(SOAPBinding.SOAP12HTTP_BINDING) &&
        "GET".equalsIgnoreCase(requestMethod)) {
    }
   */

    Integer reqTimeout = (Integer)context.invocationProperties.get(BindingProviderProperties.REQUEST_TIMEOUT);
    if (reqTimeout != null) {
        httpConnection.setReadTimeout(reqTimeout);
    }

    Integer connectTimeout = (Integer)context.invocationProperties.get(JAXWSProperties.CONNECT_TIMEOUT);
    if (connectTimeout != null) {
        httpConnection.setConnectTimeout(connectTimeout);
    }

    Integer chunkSize = (Integer)context.invocationProperties.get(JAXWSProperties.HTTP_CLIENT_STREAMING_CHUNK_SIZE);
    if (chunkSize != null) {
        httpConnection.setChunkedStreamingMode(chunkSize);
    }

    // set the properties on HttpURLConnection
    for (Map.Entry<String, List<String>> entry : reqHeaders.entrySet()) {
        if ("Content-Length".equals(entry.getKey())) continue;
            for(String value : entry.getValue()) {
                httpConnection.addRequestProperty(entry.getKey(), value);
            }
    }
}