Check string length server-side
Hi guys,
how do i check the string length server-side?
I am using the date object to gather the current date.
quote:
var d = new Date();
var mm = d.getMonth()+1;
var yy = d.getFullYear();
var dd = d.getDate();
month is returned as "2" which is correct
but i need to be able to check for a single char so that i
can add a leading zero before it is submitted to the database. This
is also required for day.
thanks
Paul
Unfortunately, it's not possible to evaluate an environment variable within an SHTML tag.
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Hi I am trying to validate two forms the first form allows a customer to register if it is correctly validated then it proceeds to address form as these two tables are linked by foreign key so when u create account in one need to do it at the same time for both. I tried client side JavaScript to validate the forms which works but don t prevent the accounts from being created if wrong. This method I tried to implement:
ackage projectshowbeans;
import java.sql.*;
import java.util.*;
import java.util.HashMap;
public class customer2 {
private String bnDbDriver = "org.gjt.mm.mysql.Driver";
private String bnDbId = "jdbc:mysql://localhost/c99nrdb";
private String bnDbUser = "c99nr_web";
private String bnDbPassword = "Thank=88";
private String custId;
private String bnTitle="";
private String bnFirstName="";
private String bnLastName="";
private String bnType_Of_Occupation="";
private String bnemail="";
private String bnpassword="";
private String bnpassword2="";
private String bnType="";
private String bnNumber="";
private String bnExp_Date="";
private String bnCardholder_Name="";
private String bnemail2="";
private String mostRecentDeletion = "Nothing has been deleted";
private int validate = 0;
private String custid="";
private int validatem = 0;
private HashMap validationerrors = new HashMap();
//StringTokenizer is used to check for empty spaces as in prevents user from submitting a empty form
//countTokens count the number of empty spaces between the words if no words no token it would be empty and validate to 0
//otherwise it would equal 1 and the message output shall appears on the screen. To be exact as long as it count the number of whitespaces this means
//if it is more then 1 it can be then there must be text present in the text field and thus tokens can be made.
/*public String getIsEmpty()
String output = "nothing";
StringTokenizer Email = new StringTokenizer(getBnEmail());
StringTokenizer Title = new StringTokenizer(getBnTitle());
StringTokenizer FirstName = new StringTokenizer(getBnFirstName());
StringTokenizer LastName = new StringTokenizer(getBnLastName());
StringTokenizer Occupation = new StringTokenizer(getBnType_Of_Occupation());
StringTokenizer Password = new StringTokenizer(getBnpassword() );
StringTokenizer confirmpass = new StringTokenizer(getBnpassword2());
StringTokenizer Numbers = new StringTokenizer(getBnNumber());
StringTokenizer Date1 = new StringTokenizer(getBnExp_Date());
StringTokenizer Type = new StringTokenizer(getBnType() );
StringTokenizer cardholder = new StringTokenizer(getBnCardholder_Name());
if (Email.countTokens() < 1 || Title.countTokens() < 1 || FirstName.countTokens() < 1 || LastName.countTokens() < 1 || Occupation.countTokens() < 1 || Password.countTokens() < 1 || confirmpass.countTokens() < 1 || Numbers.countTokens() < 1 || Date1.countTokens() < 1 || Type.countTokens() < 1 || cardholder.countTokens() < 1)
output = "Please fill in all fields. Thank you.";
System.out.println("this is empty at first attempt and then second time nothing typed");
validatem = 0;
output = "To fill in your address details proceed to this page by <a href=\"../jsp/NewAddress.jsp\"> clicking here</a>";
validatem = 1;
return output ;
public boolean isValidUserData() {
System.out.println(bnFirstName);
return (( bnFirstName !=null) && (bnFirstName.length() >0) &&
(bnpassword !=null) && (bnpassword.length() != 8) &&
(bnpassword2 !=null) && (bnpassword2.length() != 8)&&
(bnemail !=null) && (bnTitle !=null) &&
(bnLastName != null) && (bnLastName.length() >0) &&
(bnType !=null) && (bnNumber !=null) &&
(bnExp_Date !=null) && (bnCardholder_Name != null) &&
(bnType_Of_Occupation !=null));
public String getFieldError(String fieldname) {
return ((String) validationerrors.get(fieldname));
public void addFieldError(String fieldname, String error) {
validationerrors.put(fieldname, error);
public boolean validateCustomer() {
validationerrors.clear();
boolean valid = true;
if ((bnemail == null) ||
(bnemail.length() == 0)) {
addFieldError("frmemail", "email address is required.");
valid = false;
} else {
if (bnemail.indexOf("@")== -1) {
addFieldError("email", "please supply a valid address");
valid =false;
if ((bnpassword == null) ||
(bnpassword.length() != 8)) {
addFieldError("frmpassword", "Password is required.");
return valid;
if(form1.frmpassword.value.length != 8 )
//alert(form1.frmpassword);
alert("Password must be eightt characters long");
form1.frmpassword.focus();
form1.frmpassword.select();
return(false);
else
if(form1.frmpassword2.value != form1.frmpassword.value)
alert("The confirmation password does not match the original password");
form1.frmpassword2.focus();
form1.frmpassword2.select();
return(false);
</SCRIPT>
<% if (request.getParameter("SUBMITTED") != null) {
try {
if (newcust.validateCustomer()) {
newcust.createcustomer();
response.sendRedirect("NewSuccess1.jsp");
} catch (Exception e){
//System.out.println("customer2.JSP:" + e);
newcust.addFieldError("frmemail", "email already in use");
if (newcust.getBnEmail() == null) {
newcust.setBnEmail(" ");
if (newcust.getBnpassword() == null) {
newcust.setBnpassword("");
%>
<TITLE>
Create New Customer Account
</TITLE>
</HEAD>
<BODY>
<table border ="0" width="100%" bgcolor="#BDC6DE">
<tr>
<td>
<jsp:include
page="main menu 2.jsp"
flush="true"
/>
<td>
</tr>
<Form method="post" action="NewSuccess1.jsp" id="form1" name="form1" return onsubmit="validation()"> <%--post prevents the variable being passed in the url--%>
<input type="Hidden" name="SUBMITTED" Value="T">
<table border ="1">
<tr>
<%--/*if (newcust.getFieldError("frmemail") != null) {%>
<%//newcust.getFieldError("frmemail")%></font><br></td>*\--%>
Java methods aree fine but when I try to access these ion the JSP page it fucks up I can t see how to resolve the issues can anyone help ?Hi the code that I showed you was on two separate pages one in the java file where I have tried numerous methods at server side validation
e.g.
private int validate = 0;
//StringTokenizer is used to check for empty spaces as in prevents user from submitting a empty form
//countTokens count the number of empty spaces between the words if no words no token it would be empty and validate to 0
//otherwise it would equal 1 and the message output shall appears on the screen. To be exact as long as it count the number of whitespaces this means
//if it is more then 1 it can be then there must be text present in the text field and thus tokens can be made.
/*public String getIsEmpty()
String output = "nothing";
StringTokenizer Email = new StringTokenizer(getBnEmail());
StringTokenizer Title = new StringTokenizer(getBnTitle());
StringTokenizer FirstName = new StringTokenizer(getBnFirstName());
StringTokenizer LastName = new StringTokenizer(getBnLastName());
StringTokenizer Occupation = new StringTokenizer(getBnType_Of_Occupation());
StringTokenizer Password = new StringTokenizer(getBnpassword() );
StringTokenizer confirmpass = new StringTokenizer(getBnpassword2());
StringTokenizer Numbers = new StringTokenizer(getBnNumber());
StringTokenizer Date1 = new StringTokenizer(getBnExp_Date());
StringTokenizer Type = new StringTokenizer(getBnType() );
StringTokenizer cardholder = new StringTokenizer(getBnCardholder_Name());
if (Email.countTokens() < 1 || Title.countTokens() < 1 || FirstName.countTokens() < 1 || LastName.countTokens() < 1 || Occupation.countTokens() < 1 || Password.countTokens() < 1 || confirmpass.countTokens() < 1 || Numbers.countTokens() < 1 || Date1.countTokens() < 1 || Type.countTokens() < 1 || cardholder.countTokens() < 1)
output = "Please fill in all fields. Thank you.";
System.out.println("this is empty at first attempt and then second time nothing typed");
validatem = 0;
output = "To fill in your address details proceed to this page by <a href=\"../jsp/NewAddress.jsp\"> clicking here</a>";
validatem = 1;
return output ;
This method works it counts the empty spaces and if any it does not allow the user to proceed to same page but if correct it goes to the same page but show all their answers filled using jsp:get Property and then the link above to the other form to fill in the code. However no indivdual messages can be passed to the user which is crap as the people keeps pressing he won t know what is wrong.
The method that I am currently using is this one:
public boolean isValidUserData() {
System.out.println(bnFirstName);
return (( bnFirstName !=null) && (bnFirstName.length() >0) &&
(bnpassword !=null) && (bnpassword.length() != 8) &&
(bnpassword2 !=null) && (bnpassword2.length() != 8)&&
(bnemail !=null) && (bnTitle !=null) &&
(bnLastName != null) && (bnLastName.length() >0) &&
(bnType !=null) && (bnNumber !=null) &&
(bnExp_Date !=null) && (bnCardholder_Name != null) &&
(bnType_Of_Occupation !=null));
again this method is held in the Java file. This works the best as it checks for empty spaces however the password verification it does not do check whether password 1 matches password 2 nor the fact that password should be 8 characters only or check whether the user is typing in an integer or not etc. I can do this in JavaScript the integer one I am not sure. I then use JSP page which is this below:
<jsp:useBean
id="newcust"
scope="session"
class="projectshowbeans.customer2"
/>
<!--
<jsp:useBean
id="newaddress"
scope="page"
class="projectshowbeans.Address"
/>
<jsp:setProperty
name="newaddress"
property="bnemail"
param="frmemail"
/>
-->
<jsp:setProperty
name="newcust"
property="bnEmail"
param="frmemail"
/>
<jsp:setProperty
name="newcust"
property="bnFirstName"
param="frmFirstname"
/>
<jsp:setProperty
name="newcust"
property="bnLastName"
param="frmLastname"
/>
<jsp:setProperty
name="newcust"
property="bnType"
param="frmtype"
/>
<jsp:setProperty
name="newcust"
property="bnTitle"
param="frmtitle"
/>
<jsp:setProperty
name="newcust"
property="bnCardholder_Name"
param="frmcard"
/>
<jsp:setProperty
name="newcust"
property="bnExp_Date"
param="frmDate"
/>
<jsp:setProperty
name="newcust"
property="bnNumber"
param="frmnumber"
/>
<jsp:setProperty
name="newcust"
property="bnExp_Date"
param="frmDate"
/>
<jsp:setProperty
name="newcust"
property="bnpassword2"
param="frmpassword2"
/>
<jsp:setProperty
name="newcust"
property="bnpassword"
param="frmpassword"
/>
<jsp:setProperty
name="newcust"
property="bnType_Of_Occupation"
param="frmoccupation"
/>
<html>
<HEAD>
<SCRIPT language="JavaScript" type="text/javascript">
/*function validation() {
if(form1.frmnumber.value==0)
//alert(form1.frmpassword);
alert("Please fill in the number field. Thank you");
form1.frmnumber.focus();
return(false);
if(form1.frmemail.value==0)
//alert(form1.frmpassword);
alert("Please fill in the email field. Thank you");
form1.frmemail.focus();
return(false);
if(form1.frmtitle.value==0)
//alert(form1.frmpassword);
alert("Please fill in the title field. Thank you");
form1.frmtitle.focus();
return(false);
if(form1.frmFirstname.value==0)
//alert(form1.frmpassword);
alert("Please fill in the First Name field. Thank you");
form1.frmFirstname.focus();
return(false);
if(form1.frmLastname.value==0)
//alert(form1.frmpassword);
alert("Please fill in the Last Name field. Thank you");
form1.frmLastname.focus();
return(false);
if(form1.frmDate.value==0)
//alert(form1.frmpassword);
alert("Please fill in the Exp Date field. Thank you");
form1.frmDate.focus();
return(false);
if(form1.frmcard.value==0)
//alert(form1.frmpassword);
alert("Please fill in the CardholderName field. Thank you");
form1.frmcard.focus();
return(false);
if(form1.frmpassword.value.length != 8 )
//alert(form1.frmpassword);
alert("Password must be eightt characters long");
form1.frmpassword.focus();
form1.frmpassword.select();
return(false);
else
if(form1.frmpassword2.value != form1.frmpassword.value)
alert("The confirmation password does not match the original password");
form1.frmpassword2.focus();
form1.frmpassword2.select();
return(false);
</SCRIPT>
<TITLE>
Create New Customer Account
</TITLE>
</HEAD>
<BODY>
<table border ="0" width="100%" bgcolor="#BDC6DE">
<tr>
<td>
<jsp:include
page="main menu3.jsp"
flush="true"
/>
<td>
</tr>
<Form method="post" action="NewSuccess.jsp"> <%--post prevents the variable being passed in the url--%>
<table border="0">
<tr>
<td><p>Please ensure you fill in all fields below in the form. Once everything is successfully validated you will be taken to another form to fill in your address details.</p></td>
</tr>
<table border ="1">
<tr>
<td>email address:</td> <td><Input Name="frmemail" Type="Text" Size="50" value='<jsp:getProperty name="newcust" property="bnEmail" />' >
</td>
</tr>
<tr>
<td>Password:</td>
<td><Input Name="frmpassword" Type="password" Size="50">
</td><%--this form simply shows password and studentid type password allows it to be encoded--%>
</tr>
<tr>
<td>Password(Verification):</td>
<td><Input Name="frmpassword2" Type="password" Size="50">
</td><%--this form simply shows password and studentid type password allows it to be encoded--%>
</tr>
<tr>
<td> Title:</td>
<td><input name="frmtitle" type="text" size="10" value='<jsp:getProperty name="newcust" property="bnTitle"/>'>
</td>
</tr>
<tr>
<td>First Name:</td>
<td><input name="frmFirstname" type="text" size="30"value='<jsp:getProperty name="newcust" property="bnFirstName"/>'>
</td>
</tr>
<tr>
<td>Surname:</td>
<td><input name="frmLastname" type="text" size="30" value='<jsp:getProperty name="newcust" property="bnLastName"/>'>
</td>
</tr>
<tr>
<td>Occupation:</td>
<td><select name="frmoccupation">
<option> student </option>
<option> doctor </option>
<option> businesman/woman </option>
<option> teacher </option>
<option> other </option>
<jsp:getProperty name="newcust" property="bnType_Of_Occupation"/>>
</select>
</td>
</tr>
<tr>
<td>Number:</td>
<td><input name="frmnumber" type="text" size="20" value='<jsp:getProperty name="newcust" property="bnNumber"/>'>
</td>
</tr>
<tr>
<td>Type:</td>
<td><select name="frmtype" '<jsp:getProperty name="newcust" property="bnType"/>'>
<option> Mastercard</option>
<option> Visa </option>
<option> Switch </option>
</select>
</td>
</tr>
<tr>
<td>exp date(DD/MM/YY):</td>
<td><input name="frmDate" type="text" value='<jsp:getProperty name="newcust" property="bnExp_Date"/>'>
</tr>
<tr>
<td>cardholder name:</td>
<td><input name="frmcard" type="text" size="10"value='<jsp:getProperty name="newcust" property="bnCardholder_Name"/>'>
</td>
</tr>
<tr>
<td><input type="submit" value="submit"></td>
</tr>
</form>
</table>
<%
//newcust.createcustomer();
//newcust.getIsEmpty();
%>
<%--
newaddress.createaddress();
newaddress.createcustomerID();
--%>
</Body>
</html>
I have cancelled the JavaScript as it does not work well with it the NewSucess page is the process page and states if all validation rules are correct carried out on the form by the boolean isValidUserData method then it will create the record in the customer table and provide a link to the following Address form. Otherwise if is false it goes to error page the code is below:
<html>
<HEAD>
<TITLE>
Cuystomer Successfully Added
</TITLE>
</HEAD>
<jsp:useBean
id="newcust"
scope="session"
class="projectshowbeans.customer2"
/>
<jsp:setProperty
name="newcust"
property="bnpassword"
param="frmpassword"
/>
<jsp:setProperty
name="newcust"
property="bnFirstName"
param="frmFirstname"
/>
<jsp:setProperty
name="newcust"
property="bnpassword2"
param="frmpassword2"
/>
<jsp:setProperty
name="newcust"
property="bnType_Of_Occupation"
param="frmoccupation"
/>
<jsp:setProperty
name="newcust"
property="bnNumber"
param="frmnumber"
/>
<jsp:setProperty
name="newcust"
property="bnExp_Date"
param="frmDate"
/>
<jsp:setProperty
name="newcust"
property="bnEmail"
param="frmemail"
/>
<jsp:setProperty
name="newcust"
property="bnFirstName"
param="frmFirstname"
/>
<jsp:setProperty
name="newcust"
property="bnLastName"
param="frmLastname"
/>
<jsp:setProperty
name="newcust"
property="bnType"
param="frmtype"
/>
<jsp:setProperty
name="newcust"
property="bnTitle"
param="frmtitle"
/>
<jsp:setProperty
name="newcust"
property="bnCardholder_Name"
param="frmcard"
/>
<BODY bgcolor="#BDC6DE">
<%
if (newcust.isValidUserData()) {
newcust.createcustomer();
%>
<table border ="0" width="100%" bgcolor="#BDC6DE">
<tr>
<td>
<jsp:include
page="main menu3.jsp"
flush="true"
/>
<td>
</tr>
</table>
<H1> Validating user data </H1>
<H2> user data validated </h2>
<p> To fill in your address details proceed to this page by clicking here</p>
<% } else {
%>
<table border ="0" width="100%" bgcolor="#BDC6DE">
<tr>
<td>
<jsp:include
page="main menu3.jsp"
flush="true"
/>
<td>
</tr>
</table>
<H1> Validating user data </H1>
<h2> validation failed you have some missing fields</h2>
<%}%>
</Body>
</html>
Hopefully you have followed that. Ultimately if I can have it working in JavaScript that would excellent it does all form validation the previous code use saw the first JSP page however to then say only create record once I need to say function validation is validated = true then proceed to the next form else false appear with the message to the user and allow them to re - enter their answer I can t do that. I tried just putting the
newcust.createcustomer(); and the link to address on a separate page with String email request.getParameter("frmemail") for all of them but did not work. Hopefully you understand my dilemna more clearly now
and can help me uinforunately I ain t got too long I need to have it done by tuesday its my final year project for my degree. Any help much appreciated. -
Since the documents created in ifs don't inherit the ACL of the folder, I wrote
a server side override. I tested with the JDeveloper, everything worked fine,
a file of right ACL is created with my testing program. Then I moved the
java class (S_TieFolderPathRelationship.class) to
custom_classes/oracle/ifs/server and my testing program to
$ORACLE_HOME/9ifs/myclasses (I created this directory myself). Everything also
runs fine in the server side if I have the right classpath. However, if I
upload a file to the ifs through webui or winui, The
S_TieFolderPathRelationship.class in the custom_class is not being called,
since the ACL is not right. Does anyone have any idea on this?
Thanks,
JeanThe following is what I have implemented before (Change the ACL to its parent). It runs good.
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Date;
import javax.mail.Session;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;
import oracle.ifs.common.*;
import oracle.ifs.beans.*;
import oracle.ifs.management.domain.IfsServer;
import oracle.ifs.adk.mail.IfsTransport;
import oracle.ifs.adk.filesystem.*;
public class MY_iFS_Agent extends IfsServer implements IfsEventHandler
public static void main(String[] args) throws Exception
// Verbose exception messages on.
IfsException.setVerboseMessage(true);
// Construct a parameter table from the command-line arguments.
ParameterTable pt = new ParameterTable(args, "parameterfile");
// Extract some additional parameters required for standalone operation.
String serviceName = pt.getString("IFS.SERVER.Service");
String schemaPassword = "ifssys";
// Start a service against which to run a Notification Agent.
LibraryService.startService(serviceName, schemaPassword);
// Construct, initialize, and start the Notification Agent.
MY_iFS_Agent agent = new MY_iFS_Agent();
agent.initialize("MY_iFS_Agent", serviceName, schemaPassword, pt, null, LEVEL_HIGH);
agent.start();
public MY_iFS_Agent() throws IfsException
super();
public void run()
try
log(IfsServer.LEVEL_MEDIUM, "Start MY_iFS_Agent request");
// Ensure a connection.
connectSession();
// Enable event listening.
enableEventListening();
while (!stopRequested())
try
// Handle any status changes firsts.
handleRequests();
// Process events.
processEvents();
// Wait for something to do.
waitServer();
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " in handle loop; continuing:");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
} // End the while loop.
catch (IfsException e)
// Exception that takes us out of the run loop;
// this will cause a stop.
log(IfsServer.LEVEL_MEDIUM, "IfsException" + " in run(): ");
log(IfsServer.LEVEL_MEDIUM, e.toLocalizedString(getSession()));
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " in run(): ");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
* Gets whether suspend/resume is supported.
* @return true
public boolean supportsSuspendResume()
return true;
* Handles the suspend request. Subclasses can override this to
* perform custom tasks as part of a Suspend request.
protected void handleSuspendRequest() throws IfsException
log(IfsServer.LEVEL_MEDIUM, "Suspend request");
// Disable event listening.
disableEventListening();
* Handles the resume request. Subclasses can override this to
* perform custom tasks as part of a Resume request.
protected void handleResumeRequest() throws IfsException
log(IfsServer.LEVEL_MEDIUM, "Resume request");
// Re-enable event listening.
enableEventListening();
* Performs post-run tasks.
public void postRun()
log(IfsServer.LEVEL_MEDIUM, "postRun");
try
// Disable event listening.
disableEventListening();
// Disconnect our session.
disconnectSession();
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " in postRun:");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
* Enables listening for events
public void enableEventListening() throws IfsException
LibrarySession session = getSession();
try
log(IfsServer.LEVEL_MEDIUM, "Enabling MY_iFS_Agent listening....");
// Register for events on all PublicObject classes
Collection c = session.getClassObjectCollection();
//"true" in the argument means registering for all the objects of PublicObjects
session.registerClassEventHandler((ClassObject)c.getItems(Folder.CLASS_NAME), true, this);
session.registerClassEventHandler((ClassObject)c.getItems(Document.CLASS_NAME), true, this);
log(IfsServer.LEVEL_MEDIUM, "Enabled MY_iFS_Agent listener!!");
catch (IfsException e)
log(IfsServer.LEVEL_MEDIUM, "IfsException" + " enabling Event Listening; re-throwing:");
log(IfsServer.LEVEL_MEDIUM, e.toLocalizedString(session));
throw e;
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " enabling Event Listening; re-throwing:");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
// throw "agent unable to enable event listening"
throw new IfsException(46002, e);
* Disables listening for VersionDescription events
* @nopub
public void disableEventListening()
LibrarySession session = getSession();
try
// Deregister for events on objects of VersionDescription class.
Collection c = session.getClassObjectCollection();
session.deregisterClassEventHandler((ClassObject)c.getItems(Document.CLASS_NAME), true, this);
session.deregisterClassEventHandler((ClassObject)c.getItems(Folder.CLASS_NAME), true, this);
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " disabling Event Listening:");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
* Handles events. This queues the events for processing by
* the main agent thread.
public void handleEvent(IfsEvent event)
// Just queue the event and signal the main thread to process.
// The only tasks that should be performed in this method
// are any quick filtering.
try
//Only handle the event generated by the creation of an object.
if (event.getEventType() == IfsEvent.EVENTTYPE_CREATEINSTANCE)
queueEvent(event);
log(IfsServer.LEVEL_MEDIUM, "Event received for Create");
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " at handleEvent");
log(IfsServer.LEVEL_MEDIUM, e.getMessage());
* Processes the de-queued event. This sends an e-mail to the original owner
* of the versioned document if the new version is created by a different user.
public void processEvent(IfsEvent event) throws IfsException
try
Long id = event.getId();
int eventType = event.getEventType();
int eventSubType = event.getEventSubtype();
PublicObject po = getSession().getPublicObject(id);
if (po != null)
switch (eventType) {
case IfsEvent.EVENTTYPE_CREATEINSTANCE:
log(IfsServer.LEVEL_MEDIUM, "Processing Create event for a " + po.getClassObject().getName() + " object." );
PublicObject [] parentFolderList = po.getLeftwardRelationshipObjects("FolderPathRelationship");
oracle.ifs.beans.Folder parentFolder = null;
//IfsFileSystem fs=new IfsFileSystem(po.getSession());
//Folder[] parentFolders=fs.getParents(po);
if(parentFolderList.length>0) {
//Change the object owner if it is not the same as its parent
parentFolder = (oracle.ifs.beans.Folder) parentFolderList[0];
DirectoryUser parentOwner = parentFolder.getOwner();
DirectoryUser childOwner = po.getOwner();
log(IfsServer.LEVEL_MEDIUM, (po.getCreator()).getDistinguishedName() + " created a new object" );
//if (((parentFolder.getOwner()).getDistinguishedName()).equals("system"))
// log(IfsServer.LEVEL_MEDIUM, "ACL and Owner wasn't updated to the system's subfolder" );
//else
if (!childOwner.equals(parentOwner)) po.setOwner(parentOwner);
//Change the object Acl if it is not the same as its parent
AccessControlList parentAcl = parentFolder.getAcl();
AccessControlList childAcl = po.getAcl();
if (!childAcl.equals(parentAcl)) po.setAcl(parentAcl);
//log the result
//log(IfsServer.LEVEL_MEDIUM, (parentFolder.getOwner()).getDistinguishedName() );
log(IfsServer.LEVEL_MEDIUM, "ACL and Owner is updated to its parent" );
else
log(IfsServer.LEVEL_MEDIUM, "The parent list of current object is empty: Check MY_IFS_Agent.java");
break;
case IfsEvent.EVENTTYPE_FREE:
log(IfsServer.LEVEL_MEDIUM, "Free the current object");
break;
default:
log(IfsServer.LEVEL_MEDIUM, "Event: "+IfsEvent.EVENTTYPE_CREATEINSTANCE);
break;
catch (Exception e)
log(IfsServer.LEVEL_MEDIUM, "Exception" + " at processEvent");
log(IfsServer.LEVEL_MEDIUM, e.getMessage()); -
Client-Server side GUI programming
I want to create a client-server side gui programming with java
i read this web adress
http://java.sun.com/docs/books/tutorial/networking/sockets/clientServer.html
for information but there are some parts that i didnt understand and wait for your help
i m trying to build an online-help(live chat) system so when people press the start chat button a java page will appear but i wonder how this will connect to the person who is on server side
i mean is it possible to 2 users connect the same port and chat with each other
I mean when user press the chat button the online help supporter will be informed somebody wants to speak with him and they will start a chat
how can i do something like that
any help would be usefull thanksBelow is an example of a client/server program.
It shows how the server listens for multiple clients.
* TriviaServerMulti.java
* Created on May 12, 2005
package server;
* @author johnz
import java.io.*;
import java.net.*;
import java.util.Random;
* This TriviaServer can handle multiple clientSockets simultaneously
* This is accomplished by:
* - listening for incoming clientSocket request in endless loop
* - spawning a new TriviaServer for each incoming request
* Client connects to server with:
* telnet <ip_address> <port>
* <ip_address> = IP address of server
* <port> = port of server
* In this case the port is 4413 , but server can listen on any port
* If server runs on the same PC as client use IP_addess = localhost
* The server reads file
* Note: a production server needs to handle start, stop and status commands
public class TriviaServerMulti implements Runnable {
// Class variables
private static final int WAIT_FOR_CLIENT = 0;
private static final int WAIT_FOR_ANSWER = 1;
private static final int WAIT_FOR_CONFIRM = 2;
private static String[] questions;
private static String[] answers;
private static int numQuestions;
// Instance variables
private int num = 0;
private int state = WAIT_FOR_CLIENT;
private Random rand = new Random();
private Socket clientSocket = null;
public TriviaServerMulti(Socket clientSocket) {
//super("TriviaServer");
this.clientSocket = clientSocket;
public void run() {
// Ask trivia questions until client replies "N"
while (true) {
// Process questions and answers
try {
InputStreamReader isr = new InputStreamReader(clientSocket.getInputStream());
BufferedReader is = new BufferedReader(isr);
// PrintWriter os = new PrintWriter(new
// BufferedOutputStream(clientSocket.getOutputStream()), false);
PrintWriter os = new PrintWriter(clientSocket.getOutputStream());
String outLine;
// Output server request
outLine = processInput(null);
os.println(outLine);
os.flush();
// Process and output user input
while (true) {
String inLine = is.readLine();
if (inLine.length() > 0)
outLine = processInput(inLine);
else
outLine = processInput("");
os.println(outLine);
os.flush();
if (outLine.equals("Bye."))
break;
// Clean up
os.close();
is.close();
clientSocket.close();
return;
} catch (Exception e) {
System.err.println("Error: " + e);
e.printStackTrace();
private String processInput(String inStr) {
String outStr = null;
switch (state) {
case WAIT_FOR_CLIENT:
// Ask a question
outStr = questions[num];
state = WAIT_FOR_ANSWER;
break;
case WAIT_FOR_ANSWER:
// Check the answer
if (inStr.equalsIgnoreCase(answers[num]))
outStr="\015\012That's correct! Want another (y/n)?";
else
outStr="\015\012Wrong, the correct answer is "
+ answers[num] +". Want another (y/n)?";
state = WAIT_FOR_CONFIRM;
break;
case WAIT_FOR_CONFIRM:
// See if they want another question
if (!inStr.equalsIgnoreCase("N")) {
num = Math.abs(rand.nextInt()) % questions.length;
outStr = questions[num];
state = WAIT_FOR_ANSWER;
} else {
outStr = "Bye.";
state = WAIT_FOR_CLIENT;
break;
return outStr;
private static boolean loadData() {
try {
//File inFile = new File("qna.txt");
File inFile = new File("data/qna.txt");
FileInputStream inStream = new FileInputStream(inFile);
byte[] data = new byte[(int)inFile.length()];
// Read questions and answers into a byte array
if (inStream.read(data) <= 0) {
System.err.println("Error: couldn't read q&a.");
return false;
// See how many question/answer pairs there are
for (int i = 0; i < data.length; i++)
if (data[i] == (byte)'#')
numQuestions++;
numQuestions /= 2;
questions = new String[numQuestions];
answers = new String[numQuestions];
// Parse questions and answers into String arrays
int start = 0, index = 0;
String LineDelimiter = System.getProperty("line.separator");
int len = 1 + LineDelimiter.length(); // # + line delimiter
boolean isQuestion = true;
for (int i = 0; i < data.length; i++)
if (data[i] == (byte)'#') {
if (isQuestion) {
questions[index] = new String(data, start, i - start);
isQuestion = false;
} else {
answers[index] = new String(data, start, i - start);
isQuestion = true;
index++;
start = i + len;
} catch (FileNotFoundException e) {
System.err.println("Exception: couldn't find the Q&A file.");
return false;
} catch (IOException e) {
System.err.println("Exception: couldn't read the Q&A file.");
return false;
return true;
public static void main(String[] arguments) {
// Initialize the question and answer data
if (!loadData()) {
System.err.println("Error: couldn't initialize Q&A data.");
return;
ServerSocket serverSocket = null;
try {
serverSocket = new ServerSocket(4413);
System.out.println("TriviaServer up and running ...");
} catch (IOException e) {
System.err.println("Error: couldn't create ServerSocket.");
System.exit(1);
Socket clientSocket = null;
// Endless loop: waiting for incoming client request
while (true) {
// Wait for a clientSocket
try {
clientSocket = serverSocket.accept(); // ServerSocket returns a client socket when client connects
} catch (IOException e) {
System.err.println("Error: couldn't connect to clientSocket.");
System.exit(1);
// Create a thread for each incoming request
TriviaServerMulti server = new TriviaServerMulti(clientSocket);
Thread thread = new Thread(server);
thread.start(); // Starts new thread. Thread invokes run() method of server.
}This is the text file:
Which one of the Smothers Brothers did Bill Cosby once punch out?
(a) Dick
(b) Tommy
(c) both#
b#
What's the nickname of Dallas Cowboys fullback Daryl Johnston?
(a) caribou
(b) moose
(c) elk#
b#
What is triskaidekaphobia?
(a) fear of tricycles
(b) fear of the number 13
(c) fear of kaleidoscopes#
b#
What southern state is most likely to have an earthquake?
(a) Florida
(b) Arkansas
(c) South Carolina#
c#
Which person at Sun Microsystems came up with the name Java in early 1995?
(a) James Gosling
(b) Kim Polese
(c) Alan Baratz#
b#
Which figure skater is the sister of Growing Pains star Joanna Kerns?
(a) Dorothy Hamill
(b) Katarina Witt
(c) Donna De Varona#
c#
When this Old Man plays four, what does he play knick-knack on?
(a) His shoe
(b) His door
(c) His knee#
b#
What National Hockey League team once played as the Winnipeg Jets?
(a) The Phoenix Coyotes
(b) The Florida Panthers
(c) The Colorado Avalanche#
a#
David Letterman uses the stage name "Earl Hofert" when he appears in movies. Who is Earl?
(a) A crew member on his show
(b) His grandfather
(c) A character on Green Acres#
b#
Who created Superman?
(a) Bob Kane
(b) Jerome Siegel and Joe Shuster
(c) Stan Lee and Jack Kirby#
b# -
Server side buffering settings for video
I pump my video (both live streaming and VOD) through a popular CDN. They control the server side (FMS) settings. I can request that they change things and they do so and let me know when I can test.
I'm wondering about server side buffering settings. Is there supposed to be some sort of coordination between the buffering settings there and the client side buffering settings I implement in my video player?
The reason I ask is I get wierd buffering behaviors in my client side player under certain conditions and there doesn't seem to be much to adjust there other than the NetStream.bufferTime property.
For instance, if I set the bufferTime property in my client viewer to 10 seconds, the player just seems to ignore it and starts playing the stream right away or within a second or two. Other times I see crazy values in the bufferTime property, like 400 seconds (I check the property's value about every second).
I'm wondering if there are some FMS settings that are overriding or are not working well with my client side buffer settings. Is this possible?Not sure how to get this code to you. There is no option here to attach a file. Trying to post inline here. Hope it comes out ok.
This is a simple player. The simplest. No frills. Just insert your RTMP url to your FMS and your stream name in the string variables "rtmpURL" and "streamName" at the top, compile and run.
Here is a deployment of this player connected to my CDN where the file is currently playing:
http://dcast.dyventive.com/cast/simple_player/player.html
Also, attached is an image I took when I ran the program and hit the refresh button in the browser. Note the giant bufferLength numbers in the debug panel.
Again note, I do not get this problem linking directly to a recorded file. I see this problem when playing a file on a server or with a live stream.
Can you see anything obviously wrong?
<?xml version="1.0" encoding="utf-8"?>
<mx:Application
xmlns:mx="http://www.adobe.com/2006/mxml"
layout="absolute"
backgroundColor="#333333"
initialize="init()">
<mx:Script>
<![CDATA[
//Note: the method "connect()" on line #49 starts the area with the important connection code
import mx.containers.Canvas;
import flash.media.Video;
import flash.net.NetConnection;
import flash.net.NetStream;
private var vid:Video;
private var nc:NetConnection;
//Path to your FMS live streaming application
private var rtmpURL:String = "Insert your URL"; //Will be used to connect to your FMS
private var buffer:Number = 5; //NetStream.bufferTime property will be set with this.
private var streamName:String = "Insert your server side stream name here"; //This determines the channel you're watching on the server.
private var ns:NetStream;
private var msg:Boolean;
[Bindable]
private var canvas_video:Canvas;//Will display some live playback stats
private var intervalMonitorBufferLengthEverySecond:uint;
private function init():void
vid=new Video();
vid.width=720;
vid.height=480;
vid.smoothing = true;
uic.addChild(vid);
connect();
public function onSecurityError(e:SecurityError):void
trace("Security error: ");
public function connect():void
nc = new NetConnection();
nc.client = this;
nc.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
nc.connect(rtmpURL);
public function netStatusHandler(e:NetStatusEvent):void
switch (e.info.code) {
case "NetConnection.Connect.Success":
netconnectionStatus.text = e.info.code;
reconnectStatus.text = "N/A";
trace("Connected successfully");
createNS();
break;
public function createNS():void
trace("Creating NetStream");
ns=new NetStream(nc);
ns.addEventListener(NetStatusEvent.NET_STATUS, netStreamStatusHandler);
vid.attachNetStream(ns);
//Handle onMetaData and onCuePoint event callbacks: solution at http://tinyurl.com/mkadas
//See another solution at http://www.adobe.com/devnet/flash/quickstart/metadata_cue_points/
var infoClient:Object = new Object();
infoClient.onMetaData = function oMD():void {};
infoClient.onCuePoint = function oCP():void {};
ns.client = infoClient;
ns.play(streamName);
ns.bufferTime = buffer;
ns.addEventListener(AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler);
function asyncErrorHandler(event:AsyncErrorEvent):void {
trace(event.text);
//Set up the interval that will be used to monitor the bufferLength property.
//monPlayback() will be the funciton that will do the work.
intervalMonitorBufferLengthEverySecond = setInterval(monPlayback, 1000);
public function netStreamStatusHandler(e:NetStatusEvent):void
switch (e.info.code) {
case "NetStream.Buffer.Empty":
netstreamStatus.text = e.info.code;
textAreaDebugPanel.text += "Buffer empty:\n";
trace("Buffer empty: ");
break;
case "NetStream.Buffer.Full":
netstreamStatus.text = e.info.code;
textAreaDebugPanel.text += "Buffer full:\n";
trace("Buffer full:");
break;
case "NetStream.Play.Start":
netstreamStatus.text = e.info.code;
textAreaDebugPanel.text += "Buffer empty:\n";
trace("Play start:");
break;
//Get the current ns.bufferLength value, format it, and display it to the screen.
//"bufferLen" is the key var here.
public function monPlayback():void {
var currentBuffer:Number = Math.round((ns.bufferLength/ns.bufferTime)*100);
var bufferLen:String = String(ns.bufferLength);//Here is the actual bufferLength reading.
//Use it to show the user what's going on.
pb.value = currentBuffer;//updates the little buffer slider on the screen
bufferPct.text = String(currentBuffer) + "%";
bufferTime.text = String(ns.bufferTime);
bufferLength.text = String(ns.bufferLength);
//Dump the bufferLen value to the debug panel.
textAreaDebugPanel.text += bufferLen + "\n";
trace("Buffer length: " + bufferLen);
public function onBWDone():void
//dispatchComplete(obj);
]]>
</mx:Script>
<mx:Canvas id="monitor"
y="10" right="50">
<mx:Text x="0" y="25" text="Buffer:" color="#FFFFFF"/>
<mx:Text x="0" y="50" text="Buffer Time:" color="#FFFFFF"/>
<mx:Text x="0" y="75" text="Buffer Length:" color="#FFFFFF"/>
<mx:Text x="0" y="100" text="NetConnection netStatus:" color="#FFFFFF"/>
<mx:Text x="0" y="125" text="NetStream netStatus:" color="#FFFFFF"/>
<mx:Text x="0" y="150" text="Reconnect:" color="#FFFFFF"/>
<mx:HSlider x="145" y="25" id="pb" minimum="0" maximum="100" snapInterval="1" enabled="true"/>
<mx:Text x="100" y="25" height="20" id="bufferPct" color="#FFFFFF"/>
<mx:Text x="145" y="50" height="20" id="bufferTime" color="#FFFFFF"/>
<mx:Text x="145" y="75" height="20" id="bufferLength" color="#FFFFFF"/>
<mx:Text x="145" y="100" height="20" id="netconnectionStatus" color="#FFFFFF"/>
<mx:Text x="145" y="125" height="20" id="netstreamStatus" color="#FFFFFF"/>
<mx:Text x="145" y="150" height="20" id="reconnectStatus" color="#FFFFFF" text="N/A"/>
</mx:Canvas>
<mx:UIComponent id="uic"
x="50" y="10"/>
<mx:TextArea id="textAreaDebugPanel"
width="300" height="300"
right="50" top="300"
valueCommit="textAreaDebugPanel.verticalScrollPosition=textAreaDebugPanel.maxVerticalScro llPosition"/>
</mx:Application> -
How can i load file into database from client-side to server-side
i want to upload file from client-side to server-side, i use the following code to load blob into database.
if the file is in the server-side, it can work, but if it in the client-side, it said that the system cannot find the file. i think it only will search the file is in the server-side or not, it will not search the client-side.
how can i solve it without upload the file to the server first, then load it into database??
try
ResultSet rset = null;
PreparedStatement pstmt =
conn.prepareStatement ("insert into docs values (? , EMPTY_BLOB())");
pstmt.setInt (1, docId);
pstmt.execute ();
// Open the destination blob:
pstmt.setInt (1, docId);
rset = pstmt.executeQuery (
"SELECT content FROM docs WHERE id = ? FOR UPDATE");
BLOB dest_lob = null;
if (rset.next()) {
dest_lob = ((OracleResultSet)rset).getBLOB (1);
// Declare a file handler for the input file
File binaryFile = new File (fileName);
FileInputStream istream = new FileInputStream (binaryFile);
// Create an OutputStram object to write the BLOB as a stream
OutputStream ostream = dest_lob.getBinaryOutputStream();
// Create a tempory buffer
byte[] buffer = new byte[1024];
int length = 0;
// Use the read() method to read the file to the byte
// array buffer, then use the write() method to write it to
// the BLOB.
while ((length = istream.read(buffer)) != -1)
ostream.write(buffer, 0, length);
pstmt.close();
// Close all streams and file handles:
istream.close();
ostream.flush();
ostream.close();
//dest_lob.close();
// Commit the transaction:
conn.commit();
conn.close();
} catch (SQLException e) {Hi,
Without some more details of the configuration, its difficult to know
what's happening here. For example, what do you mean by client side
and server side, and where are you running the upload Java application?
If you always run the application on the database server system, but can't
open the file on a different machine, then it sounds like a file protection
problem that isn't really connected with the database at all. That is to
say, if the new FileInputStream (binaryFile) statement fails, then its not
really a database problem, but a file protection issue. On the other hand,
I can't explain what's happening if you run the program on the same machine
as the document file (client machine), but you can't write the data to the
server, assuming the JDBC connection string is set correctly to connect to
the appropriate database server.
If you can provide some more information, we'll try to help.
Simon
null -
Insert data 32K into a column of type LONG using the oracle server side jdbc driver
Hi,
I need to insert data of more than 32k into a
column of type LONG.
I use the following code:
String s = "larger then 32K";
PreparedStatement pstmt = dbcon.prepareStatement(
"INSERT INTO TEST (LO) VALUES (?)");
pstmt.setCharacterStream(1, new StringReader(s), s.length());
pstmt.executeUpdate();
dbcon.commit();
If I use the "standard" oracle thin client driver from classes_12.zip ("jdbc:oracle:thin:@kn7:1521:kn7a") every thing is working fine. But if I use the oracle server side jdbc driver ("jdbc:default:connection:") I get the exception java.sql.SQLException:
Datasize larger then max. datasize for this type: oracle.jdbc.kprb.KprbDBStatement@50f4f46c
even if the string s exceeds a length of 32767 bytes.
I'm afraid it has something to do with the 32K limitation in PL/SQL but in fact we do not use any PL/SQL code in this case.
What can we do? Using LOB's is not an option because we have client software written in 3rd party 4gl language that is unable to handle LOB's.
Any idea would be appreciated.
Thomas Stiegler
nullIn rdbms 8.1.7 "relnotes" folder, there is a "Readme_JDBC.txt" file (on win nt) stating
Known Problems/Limitations In This Release
<entries 1 through 3 omiited for brevity >
4. The Server-side Internal Driver has the following limitation:
- Data access for LONG and LONG RAW types is limited to 32K of
data. -
HTTP SERVICE - How to get the value of my params on the server side
I am new to flex and with the url limitation i was trying to
do the following ....send a bunch of ids... using params variable
var myservice:HTTPService = new HTTPService();
myservice.url = url;
myservice.method = "POST";
myservice.resultFormat = "e4x";
myservice.send(params);
The question is how do i get the value i passed on using
params on the server side? can the variable params be a string or
array or does it have to be object type?
Any help would be greatly appreciated.Most server side languages have a function or an array where
you extract the variables. in PHP they arrive in global arrays
called $_POST and $_GET.
Other languages have methods like request.formvars or
request.query. Check your serverside language on how that is
done.
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