hvv_executor.comm.admin.from.HVV_Comm_srv_A2E.java Source code

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Here is the source code for hvv_executor.comm.admin.from.HVV_Comm_srv_A2E.java

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package hvv_executor.comm.admin.from;

import JProg.JProgAStatement;
import hvv_executor.HVV_Executor;
import java.io.File;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.TreeMap;
import org.apache.log4j.Logger;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

/**
 *
 * @author yaroslav
 */
public class HVV_Comm_srv_A2E extends HVV_Communication.server.HVV_Comm_Server {
    final HVV_Executor theApp;
    static Logger logger = Logger.getLogger(HVV_Comm_srv_A2E.class);

    private String m_strExecutorState;

    public String GetExecutorState() {
        return m_strExecutorState;
    }

    private String m_strExecutorProgram;

    public String GetExecutorProgram() {
        return m_strExecutorProgram;
    }

    public HVV_Comm_srv_A2E(int nServerPort, HVV_Executor app) {
        super("A2E_SRV: ", nServerPort);
        theApp = app;

        m_strExecutorState = "";
        m_strExecutorProgram = "";
    }

    @Override
    public void processIncomingCommand(String strReqId, LinkedList lstIncomingParcel) throws Exception {
        String strCmd;

        int nRetCode = 0;

        strCmd = (String) lstIncomingParcel.get(0);
        if (strCmd != null) {
            switch (strCmd) {

            case "START_PROGRAM":
                String strProgramToLoad = (String) lstIncomingParcel.get(1);

                logger.debug("INCOMING: [" + strReqId + ";START_PROGRAM;" + strProgramToLoad + "]");

                File file = new File(theApp.GetAMSRoot() + "/ReadyPrograms/AdminSteps/" + strProgramToLoad);

                //This is where a real application would open the file.
                logger.info("LoadProgram opening: " + file.getName());
                theApp.m_strCurrentProgram = file.getName();

                TreeMap newProgram = new TreeMap();
                boolean bResOk = true;
                try {
                    SAXReader reader = new SAXReader();
                    URL url = file.toURI().toURL();
                    Document document = reader.read(url);
                    Element program = document.getRootElement();
                    if (program.getName().equals("Program")) {
                        // iterate through child elements of root
                        for (Iterator i = program.elementIterator(); i.hasNext();) {
                            Element element = (Element) i.next();
                            String name = element.getName();
                            String strLineNumber = element.getTextTrim();
                            int nLineNumber = Integer.parseInt(strLineNumber);
                            JProgAStatement statement = JProgAStatement.parse(element);
                            if (statement != null)
                                newProgram.put(nLineNumber, statement);

                            logger.debug("Pairs: [" + name + " : " + strLineNumber + "]");
                        }

                        theApp.m_program = newProgram;
                        theApp.m_pMainWnd.ShowProgram();
                    } else
                        logger.error("There is no 'program' root-tag in pointed XML");

                } catch (MalformedURLException ex) {
                    logger.error("MalformedURLException caught while loading settings!", ex);
                    bResOk = false;
                } catch (DocumentException ex) {
                    logger.error("DocumentException caught while loading settings!", ex);
                    bResOk = false;
                }

                theApp.m_pMainWnd.btnStart.setEnabled(false);
                logger.info("Starting Exec program");
                new Thread(theApp.m_MainExeThread).start();
                theApp.m_nRunningState = HVV_Executor.RUNNING_STATE_RUN;
                theApp.SetExProgramStartDateAsCurrent();

                nRetCode = 0;
                break;

            case "PING":
                logger.debug("INCOMING: [" + strReqId + ";PING;" + "]");
                nRetCode = 0;

                if (m_nStopRequested == 1) {
                    nRetCode = 100;
                    m_nStopRequested = 2;
                }
                break;

            case "QUIT":
                logger.info("'QUIT' processing");
                SetState(STATE_DISCONNECTED);
                return;

            default:
                logger.error("" + strReqId + ": Unknown command '" + strCmd + "'. RetCode 3");
                nRetCode = 3;
                break;
            }
        } else {
            logger.error("" + strReqId + ": Command is null. RetCode 2");
            nRetCode = 2;
        }

        //RESPOND
        logger.debug("RESPOND [ " + strReqId + ";" + nRetCode + "]");

        GetObjectOutputStream().writeObject(strReqId);
        GetObjectOutputStream().writeInt(1);
        GetObjectOutputStream().writeObject(nRetCode);
        GetObjectOutputStream().flush();
    }

}