Android Open Source - android_sdk X M L Parser

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/*
 * Copyright (C) 2013  Spunk Media Pvt Ltd (www.qubecell.com)
 *///from  w ww.  ja va2  s  . c  om

package com.qubecell.xmlparser;

import java.util.ArrayList;

import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

import android.text.TextUtils;

import com.qubecell.beans.CheckStatusRespBean;
import com.qubecell.beans.EventChargeRespBean;
import com.qubecell.beans.MsisdnRespBean;
import com.qubecell.beans.OperatorDetails;
import com.qubecell.beans.OperatorsRespBean;
import com.qubecell.beans.ResponseBaseBean;
import com.qubecell.beans.SendOTPRespBean;
import com.qubecell.beans.ValidateOTPRespBean;
import com.qubecell.constants.MsisdnServerRespCode;
import com.qubecell.constants.ServerCommand;
import com.qubecell.elogger.ELogger;

/**
 * The XMLParser class is used to parse XML received as response from server.
 * @author Eninov
 *
 */
public class XMLParser 
{
  private static ELogger log = null;
  private String logTag = "XMLParser";
  private static XMLParser parserObj = null;

  public boolean init()
  {
    boolean initResult = false;
    log = new ELogger();
    log.setTag(logTag);
    parserObj = getInstance();
    return initResult;
  }

  public static XMLParser getInstance() 
  {
    if(parserObj == null)
      parserObj = new XMLParser();
    return parserObj;
  }

  /**
   * This method is used to create response bean from server response string. 
   * @param respStr response String from server
   * @param serverCmd server command type
   * @return
   */
  public ResponseBaseBean getResponseBean(String respStr, int serverCmd)
  {
    if(TextUtils.isEmpty(respStr))
    {
      log.error("getResponseBean() : Server response is null");
      return null;
    }

    respStr = respStr.replaceAll("\\s+", " ");
    respStr = respStr.trim();
    Document doc = XMLfunctions.XMLfromString(respStr);
    if(doc == null)
    {
      log.error("getResponseBean() : Document object is null");
      return null;
    }

    NodeList sectionObject = null;
    if(serverCmd == ServerCommand.MSISDN_CMD)
    {
      sectionObject = doc.getElementsByTagName("detect");
    }
    else if(serverCmd == ServerCommand.FETCH_OPR_CMD)
    {
      sectionObject = doc.getElementsByTagName("operators");
    }
    else
    {
      sectionObject = doc.getElementsByTagName("transaction");
    }

    if(sectionObject == null)
    {
      log.error("getResponseBean() : Node List object is null");
      return null;
    }
    Element uiHeaderElement = (Element) sectionObject.item(0);
    if(uiHeaderElement == null)
    {
      log.error("getResponseBean() : Element object is null");
      return null;
    }
    String requestId = XMLfunctions.getValue(uiHeaderElement, "requestid");
    String responseCode = XMLfunctions.getValue(uiHeaderElement, "responsecode");
    int respCode = 0;
    if(!TextUtils.isEmpty(responseCode))
    {
      try 
      {
        respCode = Integer.parseInt(responseCode);
      }
      catch (NumberFormatException e) 
      {
        log.error("getResponseBean() : Number format exception : "+ e);
      }
    }
    String message = XMLfunctions.getValue(uiHeaderElement, "message");
    String msisdn = XMLfunctions.getValue(uiHeaderElement, "msisdn");
    String operator = XMLfunctions.getValue(uiHeaderElement, "operator");
    String transactionId = XMLfunctions.getValue(uiHeaderElement, "txnid");
    String key = XMLfunctions.getValue(uiHeaderElement, "key");
    String amount = XMLfunctions.getValue(uiHeaderElement, "amount");
    String productid = XMLfunctions.getValue(uiHeaderElement, "productid");

    switch (serverCmd) 
    {
    case ServerCommand.MSISDN_CMD:
    {
      MsisdnRespBean bean = new MsisdnRespBean();
      bean.setRequestid(requestId);
      bean.setResponsecode(respCode);
      bean.setMsisdn(msisdn);
      bean.setOperator(operator);
      bean.setMessage(message);
      bean.setTxnid(transactionId);
      return bean;
    }

    case ServerCommand.SENDOTP_CMD:
    {
      SendOTPRespBean bean = new SendOTPRespBean();
      bean.setRequestid(requestId);
      bean.setResponsecode(respCode);
      bean.setMessage(message);
      bean.setTxnid(transactionId);
      bean.setKey(key);
      return bean;
    }

    case ServerCommand.VALIDATEOTP_CMD:
    {
      ValidateOTPRespBean bean = new ValidateOTPRespBean();
      bean.setRequestid(requestId);
      bean.setResponsecode(respCode);
      bean.setMsisdn(msisdn);
      bean.setOperator(operator);
      bean.setMessage(message);
      bean.setTxnid(transactionId);
      bean.setKey(key);
      return bean;
    }

    case ServerCommand.EVENTCHARGE_CMD:
    {
      EventChargeRespBean bean = new EventChargeRespBean();
      bean.setRequestid(requestId);
      bean.setResponsecode(respCode);
      bean.setMsisdn(msisdn);
      bean.setOperator(operator);
      bean.setMessage(message);
      bean.setAmount(amount);
      bean.setTxnid(transactionId);
      bean.setProductid(productid);
      return bean;
    }

    case ServerCommand.FETCH_OPR_CMD:
    {
      sectionObject = doc.getElementsByTagName("operator");
      if(sectionObject == null)
        return null;

      OperatorsRespBean oprBean = new OperatorsRespBean();
      ArrayList<OperatorDetails> oprDetails = new ArrayList<OperatorDetails>();
      for (int i = 0; i < sectionObject.getLength(); i++) 
      {
        Element header = (Element) sectionObject.item(i);
        OperatorDetails oprDetailObj = new OperatorDetails();
        oprDetailObj.setId(header.getAttribute("id"));
        oprDetailObj.setOperatorName(XMLfunctions.getValue(header, "productid"));
        log.info("OperatorId : "+ oprDetailObj.getId()+" , Operator Name : "+oprDetailObj.getOperatorName());
        oprDetails.add(oprDetailObj);
      }
      oprBean.setOperators(oprDetails);
      oprBean.setResponsecode(MsisdnServerRespCode.SUCCESS);
      return oprBean;
    }

    case ServerCommand.CHECK_STATUS_CMD:
    {
      CheckStatusRespBean checkRespBean = new CheckStatusRespBean();
      checkRespBean.setResponsecode(respCode);
      checkRespBean.setMessage(message);
      checkRespBean.setKey(key);
      checkRespBean.setOperator(operator);
      checkRespBean.setMsisdn(msisdn);
      checkRespBean.setRequestid(requestId);
      checkRespBean.setTxnid(transactionId);
      checkRespBean.setAmount(amount);

      return checkRespBean;
    }


    default:
    {
      log.error("getResponseBean() : Unknown switch case");
    }
    break;
    }
    return null;
  }
}

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