public class AndroidHttpTransport extends Transport {

    /**
     * Creates instance of HttpTransport with set url
     *
     * @param url
     *            the destination to POST SOAP data
     */
    public AndroidHttpTransport(String url) {
        super(url);
    }

    /**
     * set the desired soapAction header field
     *
     * @param soapAction
     *            the desired soapAction
     * @param envelope
     *            the envelope containing the information for the soap call.
     */
    @Override
	public void call(String soapAction, SoapEnvelope envelope) throws IOException, XmlPullParserException {
        if (soapAction == null)
            soapAction = "\"\"";
        byte[] requestData = createRequestData(envelope);
        requestDump = debug ? new String(requestData) : null;
        responseDump = null;
        ServiceConnection connection = getServiceConnection();
        connection.connect();

        try {
	        connection.setRequestProperty("User-Agent", "kSOAP/1.0");
	        connection.setRequestProperty("SOAPAction", soapAction);
	        connection.setRequestProperty("Content-Type", "text/xml;charset=utf-8");

	        connection.setRequestProperty("Connection", "close");
	        connection.setRequestProperty("Content-Length", "" + requestData.length);
	        connection.setRequestMethod("POST");

	        OutputStream os = connection.openOutputStream();
	        os.write(requestData, 0, requestData.length);
	        os.flush();
	        os.close();
		    requestData = null;

	        InputStream is;
	        try {
	            is = connection.openInputStream();
	        } catch (IOException e) {
	            is = connection.getErrorStream();
	            if (is == null) {
	                connection.disconnect();
	                throw (e);
	            }
	        }

	        //if (debug) {
	        if (true) {
	            ByteArrayOutputStream bos = new ByteArrayOutputStream();
	            byte[] buf = new byte[512];
	            while (true) {
	                int rd = is.read(buf, 0, 512);
	                if (rd == -1)
	                    break;
	                bos.write(buf, 0, rd);
	            }
	            bos.flush();
	            buf = bos.toByteArray();
	            responseDump = new String(buf);
	            SoapExampleActivity.response = unescape(responseDump);
	            SoapExampleActivity.response = responseDump;
	            is.close();
	            is = new ByteArrayInputStream(buf);
	        }

	        parseResponse(envelope, is);
        } finally {
        	connection.disconnect();
        }
    }

    protected ServiceConnection getServiceConnection() throws IOException {
        return new AndroidServiceConnection(url);
    }

    public static String unescape (String s)
    {
        while (true)
        {
            int n=s.indexOf("&#");
            if (n<0) break;
            int m=s.indexOf(";",n+2);
            if (m<0) break;
            try
            {
                s=s.substring(0,n)+(char)(Integer.parseInt(s.substring(n+2,m)))+
                    s.substring(m+1);
            }
            catch (Exception e)
            {
                return s;
            }
        }
        s=s.replace("&quot;","\"");
        s=s.replace("&lt;","<");
        s=s.replace("&gt;",">");
        s=s.replace("&amp;","&");
        return s;
    }

	@Override
	public List call(String arg0, SoapEnvelope arg1, List arg2)
			throws IOException, XmlPullParserException {
		return null;
	}

	@Override
	public String getHost() {
		return null;
	}

	@Override
	public String getPath() {
		return null;
	}

	@Override
	public int getPort() {
		return 0;
	}
}