/
SelectOnLoad.java
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/
SelectOnLoad.java
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package com.ycs.fe.crud;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
import org.apache.log4j.Logger;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import com.ycs.fe.commandprocessor.BaseCommandProcessor;
import com.ycs.fe.commandprocessor.CommandProcessorResolver;
import com.ycs.fe.dao.FETranslatorDAO;
import com.ycs.fe.dto.InputDTO;
import com.ycs.fe.dto.ResultDTO;
import com.ycs.fe.util.Constants;
import com.ycs.fe.util.ScreenMapRepo;
import com.ycs.struts.mock.ActionContext;
import com.ycs.struts.mock.ServletActionContext;
import com.ycs.ws.beclient.QueryService;
import com.ycs.ws.beclient.QueryServiceService;
/**
* Used for prepopulating data onto value stack for. It can be called from any Action class or Interceptor.
* @author Samarjit
*
*/
public class SelectOnLoad {
private Logger logger = Logger.getLogger(this.getClass());
public void selectOnLoad(String screenName1, JSONObject jsonsubmitdata ){
try {
if (Constants.APP_LAYER == Constants.FRONTEND) {
Element rootXml = ScreenMapRepo.findMapXMLRoot(screenName1);
Node sessionVar = rootXml
.selectSingleNode("/root/screen/sessionvars");
if (sessionVar != null) {
String strSessionVar = sessionVar.getText();
Map<String, String> sessionMap = new HashMap<String, String>();
if (strSessionVar != null || !"".equals(strSessionVar)) {
String[] arSessionVar = strSessionVar.split(",");
if (arSessionVar.length > 0) {
for (String sessVariable : arSessionVar) {
String[] sessionField = sessVariable.trim()
.split("\\|");
String sessionData = "";
if (sessionField.length > 1) {
//datatype is defined and it is required
sessionData = (String) ServletActionContext
.getContext().getSession()
.get(sessionField[0]);
System.out.println("sessionData:"
+ sessionData);
if (sessionField[1].equals("INT")) {
sessionData.matches("0-9");
//TODO some data validation
}
}
sessionMap.put(sessionField[0], sessionData);
}
}
}
if(jsonsubmitdata == null || jsonsubmitdata.isNullObject())jsonsubmitdata = new JSONObject();
logger.debug("output session data:"+JSONObject.fromObject(sessionMap));
jsonsubmitdata.put("sessionvars", JSONObject.fromObject(sessionMap));
}
}
} catch (Exception e) {
logger.debug("error in setting sessionvars",e);
}
if(Constants.CMD_PROCESSOR == Constants.APP_LAYER){
localSelectOnLoad( screenName1, jsonsubmitdata );
}else{
remoteSelectOnLoad( screenName1, jsonsubmitdata.toString() );
}
}
public void localSelectOnLoad(String screenName1, JSONObject jsonsubmitdata ){
String xmlconfigfile = ScreenMapRepo.findMapXMLPath(screenName1);
if(screenName1 != null && screenName1.length() >0) {
try {
org.dom4j.Document document1 = new SAXReader().read(xmlconfigfile);
org.dom4j.Element root = document1.getRootElement();
HashMap<String, Object> adhocstackids = new HashMap<String, Object>();
List<String> outstackList = new ArrayList<String>();
//preload select queries
List nodeList = root.selectNodes("//query");
logger.debug("query list size:"+nodeList.size());
for (Iterator queryList = nodeList.iterator(); queryList.hasNext();) {
org.dom4j.Node node = (org.dom4j.Node) queryList.next();
String stackid = ((org.dom4j.Element) node).attributeValue("stackid");
logger.debug("Query Node:"+node.getText()+" stackid:"+stackid);
String type = ((org.dom4j.Element) node).attributeValue("type");
String sqlquery = node.getText();
FETranslatorDAO feDAO = new FETranslatorDAO();
feDAO.executequery(sqlquery,stackid,type); //outputs in different stack ids
org.dom4j.Element e = (org.dom4j.Element) node;
if(stackid != null && !"".equals(stackid))
outstackList.add(stackid);
}
//preload selectonload queries
/* List selonloadnl = root.selectNodes("//selectonload");
Element elm = (Element) root.selectSingleNode("/root/screen");
String screenName = elm.attributeValue("name");
logger.debug("query selectonload list size:"+selonloadnl.size());*/
ResultDTO resDTO = new ResultDTO();
for (String vstackkey : outstackList) {
ResultDTO tempDTO = new ResultDTO();
HashMap<String,Object> valueStack = new HashMap<String, Object>();
valueStack.put(vstackkey, ActionContext.getContext().getValueStack().getContext().get(vstackkey));
tempDTO.setData(valueStack);
resDTO.merge(tempDTO);
}
/////command onload ////
Element onloadElm = (Element) root.selectSingleNode("/root/screen/commands/onload");
String commandChain = onloadElm.attributeValue("opt");
String[] opts = commandChain.split("\\|");
ResultDTO resultDTO = new ResultDTO();
InputDTO inputDTO = new InputDTO();
inputDTO.setData(jsonsubmitdata);
for (String opt : opts) {
String[] sqlcmd = opt.split("\\:"); //get Id of query
String querynodeXpath = sqlcmd[0]+"[@id='"+sqlcmd[1]+"']"; //Query node xpath
Element processorElm = (Element) root.selectSingleNode("/root/screen/*/"+querynodeXpath+" ");
String strProcessor = processorElm.getParent().getName();
String outstack = processorElm.attributeValue("outstack");
BaseCommandProcessor cmdProcessor = CommandProcessorResolver.getCommandProcessor(strProcessor);
resultDTO = cmdProcessor.processCommand(screenName1, querynodeXpath, null, inputDTO, resultDTO);
if(outstack != null && !"".equals(outstack))
outstackList.add(outstack);
//resDTO = rpc.selectData( screenName, null, querynodeXpath , (JSONObject)jsonRecord);
}
resultDTO.merge(resDTO);
adhocstackids.put("adhocstackids", outstackList);
resDTO.setData(adhocstackids);
resultDTO.merge(resDTO);
ActionContext.getContext().getValueStack().set("resDTO",JSONSerializer.toJSON(resultDTO).toString());
System.out.println("SelectOnLoad::"+ JSONSerializer.toJSON(resultDTO).toString());
System.out.println("SelectOnLoad::adhocstackids"+ JSONSerializer.toJSON(resultDTO.getData().get("adhocstackids")).toString());
/////end command onload ////
/*
for (Iterator queryList = selonloadnl.iterator(); queryList.hasNext();) {
org.dom4j.Node queryNode = (org.dom4j.Node) queryList.next();
logger.debug("Query Node:"+queryNode.getText());
String stackid = ((org.dom4j.Element) queryNode).attributeValue("outstack");
String type = ((org.dom4j.Element) queryNode).attributeValue("type");
String sqlquery = queryNode.getText();
Element errorNode = (Element) queryNode.selectSingleNode("error");
String errorTemplate = "";
if(errorNode !=null)errorTemplate=errorNode.attributeValue("message");
Element messageNode = (Element) queryNode.selectSingleNode("message");
String messageTemplate = "";
if(messageNode !=null)messageTemplate=messageNode.attributeValue("message");
List<Element> nl = root.selectNodes("//fields/field/*");
HashMap<String, DataType> hmfielddbtype= new HashMap<String, DataType>();
QueryParser.populateFieldDBType(nl, hmfielddbtype);
PrepstmtDTOArray arparam = new PrepstmtDTOArray();
InputDTO inputDTO = new InputDTO();
inputDTO.setData(jsonsubmitdata);
String parsedquery = QueryParser.parseQuery(sqlquery, null, jsonsubmitdata, arparam, hmfielddbtype, inputDTO, resDTO );
logger.debug("selonload Query query:"+parsedquery+"\n Expanded prep:"+arparam.toString(parsedquery));
FETranslatorDAO feDAO = new FETranslatorDAO();
ResultDTO resDTO = feDAO.executecrud(screenName,parsedquery,stackid,jsonsubmitdata, arparam, errorTemplate, messageTemplate );
resDTO.merge(resultDTO);
logger.debug("resDTO (gson converter)= "+new Gson().toJson(resDTO).toString());
logger.debug("resDTO (JSONSerializer converter)= "+JSONSerializer.toJSON(resDTO).toString());
ActionContext.getContext().getValueStack().set("resDTO", JSONSerializer.toJSON(resDTO).toString());
ActionContext.getContext().getValueStack().getContext().put("ZHello", "World");
ActionContext.getContext().getValueStack().set("ZHello2", "World2");
org.dom4j.Element e = (org.dom4j.Element) queryNode;
System.out.println("HTMLProcessor **************** populating value stack");
}
*/
} catch (DocumentException e) {
logger.debug("result xml file not readable --",e);
e.printStackTrace();
// } catch (JSONException e) {
// logger.debug("result xml file not readable --",e);
// e.printStackTrace();
} catch (Exception e) {
logger.debug("result xml file not readable --",e);
e.printStackTrace();
}
}
}
public void remoteSelectOnLoad(String screenName1, String jsonsubmitdata ){
logger.debug("Sent to BE:"+jsonsubmitdata);
QueryServiceService qss = new QueryServiceService();
QueryService queryServicePort = qss.getQueryServicePort();
String strResDTO = queryServicePort.selectOnLoad(screenName1, jsonsubmitdata);
logger.debug("returned result from select on load:"+strResDTO);
}
}