public SOAPHelper(ComponentManager manager,
    String urlContext,
    String url,
    String action,
    String authorization,
    XScriptObject xscriptObject) throws MalformedURLException, ComponentException 
{
          
        this.xscriptManager = (XScriptManager) manager.lookup(XScriptManager.ROLE);
        URL context = new URL(urlContext);
        this.url = new URL(context, url);
        this.action = action;
        this.authorization = authorization;
        this.xscriptObject = xscriptObject;
}

 public XScriptObject invoke() throws ProcessingException 
{
        HttpConnection conn = null;
        try {
            if (this.action == null || this.action.length() == 0) {
                this.action = "\"\"";
            }
            String host = this.url.getHost();
            int port = this.url.getPort();
            if (System.getProperty("http.proxyHost") != null) {
                String proxyHost = System.getProperty("http.proxyHost");
                int proxyPort = Integer.parseInt(System.getProperty("http.proxyPort"));
                conn = new HttpConnection(proxyHost, proxyPort, host, port);
            } else {
                conn = new HttpConnection(host, port);
            }
            PostMethod method = new PostMethod(this.url.getFile());
            String request;
            try {
                // Write the SOAP request body
                if (this.xscriptObject instanceof XScriptObjectInlineXML) {
                    // Skip overhead
                    request = ((XScriptObjectInlineXML)this.xscriptObject).getContent();
                } else {
                    StringBuffer bodyBuffer = new StringBuffer();
                    InputSource saxSource = this.xscriptObject.getInputSource();
                    Reader r = null;
                    // Byte stream or character stream?
                    if (saxSource.getByteStream() != null) {
                        r = new InputStreamReader(saxSource.getByteStream());
                    } else {
                        r = saxSource.getCharacterStream();
                    }
                    try {
                        char[] buffer = new char[1024];
                        int len;
                        while ((len = r.read(buffer))  > 0) {
                            bodyBuffer.append(buffer, 0, len);
                        }
                    } finally {
                        if (r != null) {
                            r.close();
                        }
                    }
                    request = bodyBuffer.toString();
                }
            } catch (Exception ex) {
                throw new ProcessingException("Error assembling request", ex);
            }
            method.setRequestHeader(
                    new Header("Content-type", "text/xml; charset=\"utf-8\""));
            method.setRequestHeader(new Header("SOAPAction", this.action));
            method.setRequestBody(request);
            if (this.authorization != null && !this.authorization.equals("")) {
               method.setRequestHeader(
                       new Header("Authorization",
                                  "Basic " + SourceUtil.encodeBASE64(this.authorization)));
            }
            method.execute(new HttpState(), conn);
            String ret = method.getResponseBodyAsString();
            return new XScriptObjectInlineXML(this.xscriptManager, ret);
        } catch (ProcessingException ex) {
            throw ex;
        } catch (Exception ex) {
            throw new ProcessingException("Error invoking remote service: " + ex, ex);
        } finally {
            try {
                if (conn != null) {
                    conn.close();
                }
            } catch (Exception ex) {
            }
        }
}