package sqlaccounts;import java.rmi.RemoteException;import java.util.Collection;import java.util.Hashtable;import java.util.Properties;import java.util.Vector;import java.util.Iterator;import javax.ejb.CreateException;import javax.ejb.DuplicateKeyException;import javax.ejb.FinderException;import javax.ejb.ObjectNotFoundException;import javax.ejb.RemoveException;import javax.naming.Context;import javax.naming.InitialContext;import javax.naming.NamingException;import javax.rmi.PortableRemoteObject;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2002</p> * <p>Company: </p> * @author unascribed * @version 1.0 */public class TestClient {  static final private String ERROR_NULL_REMOTE = "Remote interface reference is null.  It must be created by calling one of the Home interface methods first.";  static final private int MAX_OUTPUT_LINE_LENGTH = 100;  private boolean logging = true;  private EjbAccountsHome ejbAccountsHome = null;  private EjbAccounts ejbAccounts = null;  //Construct the EJB test client  public TestClient() {    long startTime = 0;    if (logging) {      log("Initializing bean access.");      startTime = System.currentTimeMillis();    }    try    {      AccountsSessions x=new AccountsSessions();        Vector  allEmployee=x.findByType("zj");        int m=allEmployee.size();        System.out.println(m);        for(int ww=0 ; ww< m; ww++)        {            AccountsSessions anOrder = (AccountsSessions) allEmployee.elementAt(ww);            System.out.println(anOrder.getType());        }   /*   Context ctx = getInitialContext();  //調用sessionEjb   Object ref = ctx.lookup("Login");  LoginHome     loginHome = (LoginHome) PortableRemoteObject.narrow(ref, LoginHome.class);Login x=loginHome.create();Vector  allEmployee=x.findByType("zj");int m=allEmployee.size();for(int ww=0 ; ww< m; ww++)   {    LoginBean anOrder = (LoginBean) allEmployee.elementAt(ww);    System.out.println(anOrder.getType());}Iterator it = allEmployee.iterator();System.out.println(x);while (it.hasNext()){ Login emp = (Login)it.next();//System.out.println(emp.getType());    System.out.println(it.toString()+it.next());}       //get naming context      /*  Context ctx = getInitialContext();      //look up jndi name        Object ref = ctx.lookup("EjbAccountsRemote");      //cast to Home interface      ejbAccountsHome = (EjbAccountsHome) PortableRemoteObject.narrow(ref, EjbAccountsHome.class);      for(int i=0 ;i<30;i++)     {        findOrCreateAccount("11"+i*100,"張 瑾",i*100);     }     for(int i=0 ;i<30;i++)    {        ejbAccountsHome.create("11"+i*100,"zhangjin",100.0);     }   Collection col = findByType("張 瑾");   if(col.isEmpty()) {     log("No accounts were found!");   }   int j=10;   Iterator it = col.iterator();   while (it.hasNext()) {//     EjbAccounts bigAccount =         ejbAccounts=(EjbAccounts) PortableRemoteObject.narrow(it.next(), EjbAccounts.class);     log("Account " + ejbAccounts.getPrimaryKey() +       "; balance is $" + ejbAccounts.getBal()+" "+ejbAccounts.getType());     // double x=ejbAccounts.deposit(100.0*j);       double x=ejbAccounts.deposit(100.0*j);       x=ejbAccounts.withdraw(5000.0);       System.out.print("當前賬戶現金為: "+x);       ejbAccounts.remove();      j++;   }      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded initializing bean access.");        log("Execution time: " + (endTime - startTime) + " ms.");      }    } */    }    catch(Exception e) {      if (logging) {        log("Failed initializing bean access.");      }      e.printStackTrace();    }  }  private Context getInitialContext() throws Exception {    String url = "t3://3as:7001";    String user = null;    String password = null;    Properties properties = null;    try {      properties = new Properties();      properties.put(Context.INITIAL_CONTEXT_FACTORY, "weblogic.jndi.WLInitialContextFactory");      properties.put(Context.PROVIDER_URL, url);      if (user != null) {        properties.put(Context.SECURITY_PRINCIPAL, user);        properties.put(Context.SECURITY_CREDENTIALS, password == null ? "" : password);      }      return new InitialContext(properties);    }    catch(Exception e) {      log("Unable to connect to WebLogic server at " + url);      log("Please make sure that the server is running.");      throw e;    }  }  //----------------------------------------------------------------------------  // Methods that use Home interface methods to generate a Remote interface reference  //----------------------------------------------------------------------------  public Collection findByType(String Type) {    Collection returnValue = null;    long startTime = 0;    if (logging) {      log("Calling findByType(" + Type + ")");      startTime = System.currentTimeMillis();    }    try {      returnValue = ejbAccountsHome.findByType(Type);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: findByType(" + Type + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: findByType(" + Type + ")");      }      e.printStackTrace();    }    if (logging) {      log("Return value from findByType(" + Type + "): " + returnValue + ".");    }    return returnValue;  }  public EjbAccounts findByPrimaryKey(String id) {    long startTime = 0;    if (logging) {      log("Calling findByPrimaryKey(" + id + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts = ejbAccountsHome.findByPrimaryKey(id);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: findByPrimaryKey(" + id + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: findByPrimaryKey(" + id + ")");      }      e.printStackTrace();    }    if (logging) {      log("Return value from findByPrimaryKey(" + id + "): " + ejbAccounts + ".");    }    return ejbAccounts;  }  public EjbAccounts create(String Id) {    long startTime = 0;    if (logging) {      log("Calling create(" + Id + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts = ejbAccountsHome.create(Id);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: create(" + Id + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: create(" + Id + ")");      }      e.printStackTrace();    }    if (logging) {      log("Return value from create(" + Id + "): " + ejbAccounts + ".");    }    return ejbAccounts;  }  public EjbAccounts create(String id, String Type, double bal) {    long startTime = 0;    if (logging) {      log("Calling create(" + id + ", " + Type + ", " + bal + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts = ejbAccountsHome.create(id, Type, bal);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: create(" + id + ", " + Type + ", " + bal + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: create(" + id + ", " + Type + ", " + bal + ")");      }      e.printStackTrace();    }    if (logging) {      log("Return value from create(" + id + ", " + Type + ", " + bal + "): " + ejbAccounts + ".");    }    return ejbAccounts;  }  //----------------------------------------------------------------------------  // Methods that use Remote interface methods to access data through the bean  //----------------------------------------------------------------------------  public void setId(String id) {    if (ejbAccounts == null) {      System.out.println("Error in setId(): " + ERROR_NULL_REMOTE);      return ;    }    long startTime = 0;    if (logging) {      log("Calling setId(" + id + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts.setId(id);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: setId(" + id + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: setId(" + id + ")");      }      e.printStackTrace();    }  }  public String getId() {    String returnValue = "";    if (ejbAccounts == null) {      System.out.println("Error in getId(): " + ERROR_NULL_REMOTE);      return returnValue;    }    long startTime = 0;    if (logging) {      log("Calling getId()");      startTime = System.currentTimeMillis();    }    try {      returnValue = ejbAccounts.getId();      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: getId()");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: getId()");      }      e.printStackTrace();    }    if (logging) {      log("Return value from getId(): " + returnValue + ".");    }    return returnValue;  }  public void setBal(double bal) {    if (ejbAccounts == null) {      System.out.println("Error in setBal(): " + ERROR_NULL_REMOTE);      return ;    }    long startTime = 0;    if (logging) {      log("Calling setBal(" + bal + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts.setBal(bal);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: setBal(" + bal + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: setBal(" + bal + ")");      }      e.printStackTrace();    }  }  public double getBal() {    double returnValue = 0f;    if (ejbAccounts == null) {      System.out.println("Error in getBal(): " + ERROR_NULL_REMOTE);      return returnValue;    }    long startTime = 0;    if (logging) {      log("Calling getBal()");      startTime = System.currentTimeMillis();    }    try {      returnValue = ejbAccounts.getBal();      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: getBal()");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: getBal()");      }      e.printStackTrace();    }    if (logging) {      log("Return value from getBal(): " + returnValue + ".");    }    return returnValue;  }  public void setType(String type) {    if (ejbAccounts == null) {      System.out.println("Error in setType(): " + ERROR_NULL_REMOTE);      return ;    }    long startTime = 0;    if (logging) {      log("Calling setType(" + type + ")");      startTime = System.currentTimeMillis();    }    try {      ejbAccounts.setType(type);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: setType(" + type + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: setType(" + type + ")");      }      e.printStackTrace();    }  }  public String getType() {    String returnValue = "";    if (ejbAccounts == null) {      System.out.println("Error in getType(): " + ERROR_NULL_REMOTE);      return returnValue;    }    long startTime = 0;    if (logging) {      log("Calling getType()");      startTime = System.currentTimeMillis();    }    try {      returnValue = ejbAccounts.getType();      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: getType()");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: getType()");      }      e.printStackTrace();    }    if (logging) {      log("Return value from getType(): " + returnValue + ".");    }    return returnValue;  }  public double deposit(double bal) {    double returnValue = 0f;    if (ejbAccounts == null) {      System.out.println("Error in deposit(): " + ERROR_NULL_REMOTE);      return returnValue;    }    long startTime = 0;    if (logging) {      log("Calling deposit(" + bal + ")");      startTime = System.currentTimeMillis();    }    try {      returnValue = ejbAccounts.deposit(bal);      if (logging) {        long endTime = System.currentTimeMillis();        log("Succeeded: deposit(" + bal + ")");        log("Execution time: " + (endTime - startTime) + " ms.");      }    }    catch(Exception e) {      if (logging) {        log("Failed: deposit(" + bal + ")");      }      e.printStackTrace();    }    if (logging) {      log("Return value from deposit(" + bal + "): " + returnValue + ".");    }    return returnValue;  }  public void testRemoteCallsWithDefaultArguments() {    if (ejbAccounts == null) {      System.out.println("Error in testRemoteCallsWithDefaultArguments(): " + ERROR_NULL_REMOTE);      return ;    }    setId("");    getId();    setBal(0f);    getBal();    setType("");    getType();    deposit(0f);  }  //----------------------------------------------------------------------------  // Utility Methods  //----------------------------------------------------------------------------  private void log(String message) {    if (message == null) {      System.out.println("-- null");      return ;    }    if (message.length() > MAX_OUTPUT_LINE_LENGTH) {      System.out.println("-- " + message.substring(0, MAX_OUTPUT_LINE_LENGTH) + " ...");    }    else {      System.out.println("-- " + message);    }  }  private EjbAccounts findOrCreateAccount(String id,  String accountType,double balance)    throws CreateException, FinderException, RemoteException  {    EjbAccounts remote = null;    try {      remote = (EjbAccounts)        PortableRemoteObject.narrow(ejbAccountsHome.findByPrimaryKey(id), EjbAccounts.class);    } catch (ObjectNotFoundException onfe) {      // the account id does not yet exist so create it.      remote = create(id,  accountType,balance);    }    return remote;  }  //Main method  public static void main(String[] args) {    TestClient client = new TestClient();    // Use the client object to call one of the Home interface wrappers    // above, to create a Remote interface reference to the bean.    // If the return value is of the Remote interface type, you can use it    // to access the remote interface methods.  You can also just use the    // client object to call the Remote interface wrappers.  }}