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<pre>
&lt;%@page import="java.io.*, java.util.*, java.util.regex.*, java.net.*, java.security.*,javax.net.ssl.*" %&gt;
&lt;%@page contentType="text/html" pageEncoding="UTF-8"%&gt;
&lt;%
    class OneShopAPI
    {
        private String m_strMerchantID,m_strMerchantKey,m_strAPIURI;
        public HashMap m_hmParameters;
        
        public OneShopAPI(String p_strMerchantID,String p_strMerchantKey, String p_strAPIURI)
        {
            m_strMerchantID = p_strMerchantID;
            m_strMerchantKey = p_strMerchantKey;
            m_strAPIURI = p_strAPIURI;
            m_hmParameters = new HashMap();
            addParameter("Key",m_strMerchantKey);
        }
        
        public void addParameter(String p_strCurrentKey,String p_strCurrentValue)
        {            
            m_hmParameters.put(p_strCurrentKey,p_strCurrentValue);
        }
        
        public void deleteParameter(String p_strCurrentKey)
        {
            m_hmParameters.remove(p_strCurrentKey);
        }
        
        public void clearParameters()
        {
            m_hmParameters.clear();
            addParameter("Key",m_strMerchantKey);
        }
        
        public void buildParameters(String p_strCurrentResponseBody)
        {
            int iKeyValueCount = 2;
            clearParameters();
            Pattern patNextRecordSet = Pattern.compile("\\s*&lt;NextRecordSet&gt;(?:\\s*&lt;\\w+&gt;[^&lt;&gt;]*&lt;\\/\\w+&gt;\\s*)*&lt;\\/NextRecordSet&gt;");
            Matcher matchNextRecordSet = patNextRecordSet.matcher(p_strCurrentResponseBody);
            if(matchNextRecordSet.find())
            {
                Pattern patParameters = Pattern.compile("\\s*&lt;(\\w+)&gt;\\s*([^&lt;&gt;]*)&lt;\\/\\1&gt;\\s*");                
                Matcher matchParameters = patParameters.matcher(matchNextRecordSet.group());
                while(matchParameters.find())                                    
                    addParameter(matchParameters.group(1),matchParameters.group(2));
                    
            }
        }
        
        public String sendHTTPSRequest(String p_strCurrentURI,String p_strCurrentRequestBody)
        {
            try
            {
                URL urlCurrent = new URL(p_strCurrentURI);
                URLConnection ucCurrent = urlCurrent.openConnection();
                HttpsURLConnection httpsCurrentConnection = (HttpsURLConnection)ucCurrent;
                
                httpsCurrentConnection.setDoOutput(true);
                httpsCurrentConnection.setDoInput(true);
                httpsCurrentConnection.setRequestMethod("POST");
                
                OutputStream outRequest = httpsCurrentConnection.getOutputStream();
                Writer woutRequest = new OutputStreamWriter(outRequest);
                woutRequest.write(p_strCurrentRequestBody);
                woutRequest.flush();
                woutRequest.close();
                
                InputStream inResponse = httpsCurrentConnection.getInputStream();
                Reader rinResponse = new InputStreamReader(inResponse,"UTF-8");
                
                StringBuffer sbCurrent = new StringBuffer();
                int chCurrent = 0,iError = -1;
                while((chCurrent = rinResponse.read()) != iError)
                    sbCurrent.append((char)chCurrent);
                
                return(sbCurrent.toString());
            }
            catch(Exception eCurrent)
            {            
                return(new String());
            }
        }  
             
        public String apiRequest(String p_strCurrentMethod)
        {
            String strCurrentURI = m_strAPIURI + "/API/" + m_strMerchantID + p_strCurrentMethod;
            String strCurrentRequestBody = createRequestBody(m_hmParameters);
            String strCurrentResponseBody = sendHTTPSRequest(strCurrentURI,strCurrentRequestBody);
            return(strCurrentResponseBody);
        }
        
        public String createRequestBody(HashMap p_hmCurrentParameters)
        {
            String strCurrentRequestBody = new String();            
            if(p_hmCurrentParameters.size() &gt; 0)
            {
                strCurrentRequestBody += "&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;\n";
                strCurrentRequestBody += "&lt;Request&gt;\n";
                for (Iterator iterCurrent = p_hmCurrentParameters.entrySet().iterator(); iterCurrent.hasNext();)
                {         
                    Map.Entry entCurrent = (Map.Entry)iterCurrent.next();
                    strCurrentRequestBody += "\t";
                    strCurrentRequestBody += "&lt;" + (String)entCurrent.getKey() + "&gt;";
                    strCurrentRequestBody += (String)entCurrent.getValue();
                    strCurrentRequestBody += "&lt;/" + (String)entCurrent.getKey() + "&gt;";
                    strCurrentRequestBody += "\n";
                }
                strCurrentRequestBody += "&lt;/Request&gt;";
                
            }
            
            return(strCurrentRequestBody);            
        }
        
        public String apiRequestXLink(String p_strCurrentXLink)
        {
            String strCurrentRequestBody = createRequestBody(m_hmParameters);
            String strCurrentResponseBody = sendHTTPSRequest(p_strCurrentXLink,strCurrentRequestBody);
            return(strCurrentResponseBody);
        }
        
        public String getOrdersList()
        {
            return(apiRequest("/ORDERS/LIST"));
        }
        
        public String getOrderById(String p_strCurrentOrderId)
        {
            return(apiRequest("/ORDERS/" + p_strCurrentOrderId + "/READ"));
        }
        
        public String getClientsList()
        {
            return(apiRequest("/CLIENTS/LIST"));
        }
        
        public String getClientById(String p_strCurrentClientId)
        {
            return(apiRequest("/CLIENTS/" + p_strCurrentClientId + "/READ"));
        }
        
        public String getProductsList()
        {
            return(apiRequest("/PRODUCTS/LIST"));
        }
        
        public String getProductById(String p_strCurrentProductId)
        {
            return(apiRequest("/PRODUCTS/" + p_strCurrentProductId + "/READ"));
        }
        
        public String getErrorsList()
        {
            return(apiRequest("/ERRORS/LIST"));
        }
    }
%&gt;
&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt;
&lt;html xmlns="http://www.w3.org/1999/xhtml"&gt;
    &lt;head&gt;
        &lt;meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /&gt;
        &lt;title&gt;MCSSL.COM API Example&lt;/title&gt;
    &lt;/head&gt;
    &lt;body&gt;
        &lt;h4&gt;Welcome to the &lt;u&gt;&lt;b&gt;MCSSL.COM&lt;/b&gt; API Example&lt;/u&gt;.&lt;/h4&gt;
    &lt;/body&gt;
&lt;/html&gt;
</pre>
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