How to get the HttpServletRequest object in a jsp

Hi,
I am a little confused here. Am trying to use the HttpServletRequest object in my jsp. I have set up just a simple test page jsp. How can i use the HttpServletRequest object to get some information about the request for example using the method getPathInfo(). I know i can do this in a servlet and pass the value as a parameter in a doGet method. But how do i do it in a jsp. Can it be done..?
Pls help
Thankyou

The request object is already created for you in JSP, as are many other things
request - the HttpServletRequest object
response - the HttpServletResponse object
session - the HttpSession object
application - the ServletContext object
out - the JspWriter object (like PrintWriter)
So you just use them...
<%
String asdf = request.getParameter("asdf");
%>

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Edited by: gerardnico on Jan 13, 2010 12:08 PM
Change get the location by get the flat_file_module

Yes, Oleg. It's what's worried me.
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// Copyright (c) 2000 Oracle Corporation
package ObjectSampleDAC;
import oracle.dacf.control.swing.*;
import javax.swing.*;
import oracle.dacf.dataset.*;
import oracle.dacf.dataset.connections.*;
import java.awt.*;
import oracle.jdeveloper.layout.*;
import java.awt.event.*;
import javax.infobus.*;
import oracle.jbo.domain.DomainInterface;
import ObjectSampleBC4J.common.TAddress;
import java.sql.SQLException;
* A Frame class.
* <P>
* @author Scott Tiger
public class Frame1 extends InfoFrame {
* Constructs a new instance.
public Frame1() {
super();
try {
jbInit();
sessionInfo1.publishSession();
// call my initialization method
bfInit();
catch (Exception e) {
e.printStackTrace();
* Initializes the state of this instance.
private void jbInit() throws Exception {
/* All of the following code in this method was added by the designer except where noted below
EmailrowSetInfo1.setName("Email");
jPanel3.setLayout(gridBagLayout1);
StatusrowSetInfo1.setName("Status");
AddressrowSetInfo1.setName("Address");
PasswordrowSetInfo1.setName("Password");
UsernamerowSetInfo1.setName("Username");
LastnamerowSetInfo1.setName("Lastname");
FirstnamerowSetInfo1.setName("Firstname");
IdrowSetInfo1.setName("Id");
rowSetInfo1.setAttributeInfo( new AttributeInfo[] {
IdrowSetInfo1,
FirstnamerowSetInfo1,
LastnamerowSetInfo1,
UsernamerowSetInfo1,
PasswordrowSetInfo1,
AddressrowSetInfo1,
StatusrowSetInfo1,
EmailrowSetInfo1} );
this.setDataItemName("infobus:/oracle/sessionInfo1");
this.setTitle("Customer Information");
this.getContentPane().setLayout(borderLayout1);
this.setSize(new Dimension(536, 473));
jPanel1.setLayout(borderLayout2);
sessionInfo1.setAppModuleInfo(new ModuleInfo("ObjectSampleBC4J", "ObjectSampleBC4JModule"));
sessionInfo1.setConnectionInfo(new LocalConnection("MyJdbcConn"));
sessionInfo1.setName("sessionInfo1");
rowSetInfo1.setQueryInfo(new QueryViewInfo(
"CustomerView",
rowSetInfo1.setSession(sessionInfo1);
rowSetInfo1.setName("rowSetInfo1");
/* The following listener was added using the event tab in the property inspector in design
mode. The rowsetPopulated method is called when the rowset is queried/requeried.
rowSetInfo1.addChangeListener(new oracle.dacf.dataset.ChangeAdapter() {
public void rowsetPopulated(RowSetChangeEvent e) {
rowSetInfo1_rowsetPopulated(e);
textFieldControl1.setText("textFieldControl1");
textFieldControl2.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Firstname");
textFieldControl2.setText("textFieldControl2");
textFieldControl3.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Lastname");
textFieldControl3.setText("textFieldControl3");
textFieldControl4.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Username");
textFieldControl4.setText("textFieldControl4");
textFieldControl5.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Password");
textFieldControl5.setText("textFieldControl5");
textFieldControl6.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Status");
textFieldControl6.setText("textFieldControl6");
textFieldControl7.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Email");
textFieldControl7.setText("textFieldControl7");
navigationBar1.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1");
jLabel1.setText("ID:");
jLabel2.setText("First Name:");
jLabel3.setText("Last Name:");
jLabel4.setText("User Name:");
jLabel5.setText("Password:");
jLabel6.setText("Status:");
jLabel7.setText("Email:");
jLabel8.setText("Address:");
jPanel4.setLayout( gridBagLayout2);
textFieldStreet.setColumns(20);
textFieldStreet.setText("textFieldStreet");
/* The following listener (as well as the listeners on textFieldCity, textFieldState, and
textFieldZipcode were added by the designer, but the focusGained and focusLost methods
were modified in each case to call a common textField_focusGained method
textFieldStreet.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(FocusEvent e) {
textField_focusGained(e);
public void focusLost(FocusEvent e) {
textField_focusLost(e);
textFieldCity.setColumns(20);
textFieldCity.setText("textFieldCity");
textFieldCity.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(FocusEvent e) {
textField_focusGained(e);
public void focusLost(FocusEvent e) {
textField_focusLost(e);
textFieldState.setColumns(20);
textFieldState.setText("textFieldState");
textFieldState.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(FocusEvent e) {
textField_focusGained(e);
public void focusLost(FocusEvent e) {
textField_focusLost(e);
textFieldZipcode.setColumns(20);
textFieldZipcode.setText("textFieldZipcode");
textFieldZipcode.addFocusListener(new java.awt.event.FocusAdapter() {
public void focusGained(FocusEvent e) {
textField_focusGained(e);
public void focusLost(FocusEvent e) {
textField_focusLost(e);
jLabel9.setText("Street:");
jLabel10.setText("City:");
jLabel11.setText("State:");
jLabel12.setText("Zip Code:");
textFieldControl1.setDataItemName("infobus:/oracle/sessionInfo1/rowSetInfo1/Id");
this.getContentPane().add(jPanel1, BorderLayout.CENTER);
jPanel1.add(jPanel2, BorderLayout.NORTH);
jPanel2.add(navigationBar1, null);
jPanel1.add(jPanel3, BorderLayout.CENTER);
jPanel3.add(textFieldControl1, new GridBagConstraints2(1, 0, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(37, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl2, new GridBagConstraints2(1, 1, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(7, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl3, new GridBagConstraints2(1, 2, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(7, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl4, new GridBagConstraints2(1, 3, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl5, new GridBagConstraints2(1, 4, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl6, new GridBagConstraints2(1, 5, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(7, 11, 0, 0), 0, 0));
jPanel3.add(textFieldControl7, new GridBagConstraints2(1, 6, 1, 1, 1.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.HORIZONTAL, new Insets(6, 11, 0, 0), 0, 0));
jPanel3.add(jLabel1, new GridBagConstraints2(0, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(37, 106, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(8, 54, 0, 0), 0, 0));
jPanel3.add(jLabel3, new GridBagConstraints2(0, 2, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(8, 54, 0, 0), 0, 0));
jPanel3.add(jLabel4, new GridBagConstraints2(0, 3, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(10, 54, 0, 0), 0, 0));
jPanel3.add(jLabel5, new GridBagConstraints2(0, 4, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(8, 62, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(9, 83, 0, 0), 0, 0));
jPanel3.add(jLabel7, new GridBagConstraints2(0, 6, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(9, 86, 0, 0), 0, 0));
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GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(7, 72, 94, 0), 0, 0));
jPanel3.add(jPanel4, new GridBagConstraints2(1, 7, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
jPanel4.add(textFieldZipcode, new GridBagConstraints2(1, 3, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
jPanel4.add(textFieldState, new GridBagConstraints2(1, 2, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
jPanel4.add(jLabel9, new GridBagConstraints2(0, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
jPanel4.add(textFieldStreet, new GridBagConstraints2(1, 0, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
jPanel4.add(jLabel10, new GridBagConstraints2(0, 1, 1, 1, 0.0, 0.0,
GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
jPanel4.add(jLabel11, new GridBagConstraints2(0, 2, 1, 1, 0.0, 0.0,
GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
jPanel4.add(jLabel12, new GridBagConstraints2(0, 3, 1, 1, 0.0, 0.0,
GridBagConstraints.EAST, GridBagConstraints.NONE, new Insets(5, 0, 0, 0), 0, 0));
jPanel4.add(textFieldCity, new GridBagConstraints2(1, 1, 1, 1, 0.0, 0.0,
GridBagConstraints.WEST, GridBagConstraints.NONE, new Insets(0, 10, 0, 0), 0, 0));
/* The following vaiable declarations were made by the designer
BorderLayout borderLayout1 = new BorderLayout();
JPanel jPanel1 = new JPanel();
SessionInfo sessionInfo1 = new SessionInfo();
RowSetInfo rowSetInfo1 = new RowSetInfo();
AttributeInfo IdrowSetInfo1 = new AttributeInfo(java.sql.Types.NUMERIC);
AttributeInfo FirstnamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo LastnamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo UsernamerowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo PasswordrowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo AddressrowSetInfo1 = new AttributeInfo();
AttributeInfo StatusrowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
AttributeInfo EmailrowSetInfo1 = new AttributeInfo(java.sql.Types.VARCHAR);
JPanel jPanel2 = new JPanel();
JPanel jPanel3 = new JPanel();
TextFieldControl textFieldControl1 = new TextFieldControl();
TextFieldControl textFieldControl2 = new TextFieldControl();
TextFieldControl textFieldControl3 = new TextFieldControl();
TextFieldControl textFieldControl4 = new TextFieldControl();
TextFieldControl textFieldControl5 = new TextFieldControl();
TextFieldControl textFieldControl6 = new TextFieldControl();
TextFieldControl textFieldControl7 = new TextFieldControl();
BorderLayout borderLayout2 = new BorderLayout();
NavigationBar navigationBar1 = new NavigationBar();
JLabel jLabel1 = new JLabel();
JLabel jLabel2 = new JLabel();
JLabel jLabel3 = new JLabel();
JLabel jLabel4 = new JLabel();
JLabel jLabel5 = new JLabel();
JLabel jLabel6 = new JLabel();
JLabel jLabel7 = new JLabel();
JLabel jLabel8 = new JLabel();
GridBagLayout gridBagLayout1 = new GridBagLayout();
JPanel jPanel4 = new JPanel();
JTextField textFieldStreet = new JTextField();
JTextField textFieldCity = new JTextField();
JTextField textFieldState = new JTextField();
JTextField textFieldZipcode = new JTextField();
JLabel jLabel9 = new JLabel();
JLabel jLabel10 = new JLabel();
JLabel jLabel11 = new JLabel();
JLabel jLabel12 = new JLabel();
GridBagLayout gridBagLayout2 = new GridBagLayout();
/* The following declarations were made manually
/* DomainAccess provides a means for getting and setting values of a column object as domain
DomainAccess da = null;
/* TAddress is the domain class
TAddress addr = null;
/* Declare variables for determining if JTextField values have been changed by user
String oldVal = null;
String newVal = null;
/* The following method is generated by the wizard when the frame was created
protected void processWindowEvent(WindowEvent e) {
super.processWindowEvent(e);
if (e.getID() == WindowEvent.WINDOW_CLOSED) {
System.exit(0);
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DataItemChangeManager from the RowSetInfo (via RowsetAccess) and add a
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public void dataItemAdded(DataItemAddedEvent e) {
public void dataItemDeleted(DataItemDeletedEvent e) {
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updateFields() below.
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void rowSetInfo1_rowsetCursorMoved(RowsetCursorMovedEvent e) {
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domain. See updateFields() below.
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catch (Exception ex) {
System.out.println("Error occured while assigning values");
ex.printStackTrace();
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public void updateFields () throws Exception {
/* Get DataItem for the Address column object and cast to DomainAccess for to prepare for
getting and setting column value as domain.
da = (DomainAccess)AddressrowSetInfo1.getImmediateAccess();
/* Get the value of the attribute as a Domain and cast to DomainInterface.
DomainInterface di = da.getValueAsDomain();
/* null out addr. Otherwise, if the address column is null for a particular record, when
the user navigates to the record with the null values, addr will retain the previous record's
values. This ensures a clean slate.
addr = null;
/* Using DomainInterface allows us to cast the domain object to the specific Domain class for
that type. So, cast the address attribute's value to TAddress, the class that
represents the T_ADDRESS type created in the database. This provides getters and setters
for each of the fields of the Object Type.
if ( di instanceof TAddress ) {
addr = (TAddress) di;
/* If the above statement resulted in some non-null object assigned to addr, it is because
one or more of the fields of the domain contained non-null values. Therefore, if addr is
not null, get the values from each field of the domain and assign them to their
respective JTextFields. Otherwise, set each JTextField to an empty string.
if (addr != null) {
textFieldStreet.setText(addr.getStreet());
textFieldCity.setText(addr.getCity());
textFieldState.setText(addr.getState());
textFieldZipcode.setText(addr.getZipcode());
else {
textFieldStreet.setText("");
textFieldCity.setText("");
textFieldState.setText("");
textFieldZipcode.setText("");
/* If addr is null, after making sure the JTextFields are cleared, create a new TAddress
object so that we have something to assign values to if the user edits the JTextFields.
try {
addr = new TAddress();
catch (SQLException ex) {
System.out.println("Error creating domain TAddress");
ex.printStackTrace();
/* The method below is invoked when the user navigates to textFieldStreet, textFieldCity,
textFieldState, or textFieldZipcode. It's used just to find the value of the field when
the user enters the field (the "before" value).
void textField_focusGained(FocusEvent e) {
Object obj = e.getSource();
if (obj instanceof JTextField) {
JTextField field = (JTextField)obj;
oldVal = field.getText();
/* The method below is invoked when the user navigates away from textFieldStreet, textFieldCity,
textFieldState, or textFieldZipcode. It checks to see if the user changes the value of the
field, and if so, updates the value of the address attribute.
void textField_focusLost(FocusEvent e) {
/* Find out the value of the JTextField now that the user is attempting to leave the field.
Object obj = e.getSource();
if (obj instanceof JTextField) {
JTextField field = (JTextField)obj;
newVal = field.getText();
/* Compare the new value of the field ("after" value) to the "before" value captured
in textField_focusGained above. If they are equal, we do nothing. If they are not equal,
then the user must have changes the value in the field, and we have some work to do.
if (!oldVal.equals(newVal)) {
/* Since this same method is called regardless of which JTextField has been left, we find
out which text field the user is leaving, and then set the value of the appropriate
element of the addr domain.
if (obj.equals(textFieldStreet)) {
addr.setStreet(newVal);
if (obj.equals(textFieldCity)) {
addr.setCity(newVal);
if (obj.equals(textFieldState)) {
addr.setState(newVal);
if (obj.equals(textFieldZipcode)) {
addr.setZipcode(newVal);
/* So, we've set the value of the appropriate element of the addr domain, but we have not
"posted" those changes to the BC4J (middle-tier), so if we were to commit at this point
our changes would not get saved to the database (because BC4J is not aware of these
changes). The next step is to notify BC4J of the changes.
try {
da.setValueAsDomain(addr);
catch (InvalidDataException ex) {
System.out.println("Invalid Data assigned to TAddress");
ex.printStackTrace();
/* Clear out the oldVal and newVal variable so we are ready to track more changes.
oldVal = null;
newVal = null;
}-- Brian

How to get the user objects?

Dear all,
How to get all the user objects?
i am using Select * From user_objects
but it gives me some tables which belongs to oracle such as 'BIN$ZKjpvXfMSOShDJUjxzmiiw==$0' and i do not want these tables to be viewed.
is there any way to avoid those tables from the query?
Thanks in advance

Objects in the database started with "BIN$" could be the dropped objects. If you don't bother about dropped objects, then you can purge them.
SQL> connect test/test
Connected.
SQL> select object_name from user_objects;
OBJECT_NAME
TEST1
TEST2
SQL> drop table test1;
Table dropped.
SQL> select object_name from user_objects;
OBJECT_NAME
BIN$OEc6JHt+Rq+LDaTR1U8O7g==$0
TEST2
SQL> select OBJECT_NAME,TYPE,ORIGINAL_NAME from user_recyclebin;
OBJECT_NAME TYPE ORIGINAL_NAME
BIN$OEc6JHt+Rq+LDaTR1U8O7g==$0 TABLE TEST1
SQL> purge recyclebin;
Recyclebin purged.
SQL> select object_name from user_objects;
OBJECT_NAME
TEST2
Regards,
Sabdar Syed.

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Hi,
I have a dynamic editable table of 3 columns on a jsp. On click on any cell the usr can edit the data. Now on click of submit button on the jsp I need to submit or get the whole data of all the rows to a servlet which would further process it.
How do I do that?
TIA.

I am not sure whether u r getting my doubt or not
properly. I am populating the table data in an
arraylist of DO. with this arraylist I am displaying
the data on the Screen.
<%
for(int i=0;i<alList.size();i++)
DO d = alList.get(i);
%>
<Table>
<tr>
<td><%=d.getfirstField()%></td>
<tr>
</Table>
<%
%>
The above code sniipet displays the data on screen.
But as table being editable i would change the data
in the cell and submit .
So how do i capture this data? I cannot name the cell
becos I am not sure how many rows would be displayed.
In servlet I would use request.getParameter(?);
TIAIf you table is editable nad has input field to edit then "malcolmmc's " answer will work perfectly.
you can also use hidden form fields to use those vaues at servlet like this
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Hello everybody,
Right now I am working in a JSP project which is about access log, when the users start , oprate, or close the system, the access log system works. I am in trouble in that when the users close the system, how can I get the close event?
The JSP file contains the following fields :
Close Window
How to add code to get the CLOSE Event and submit to the service?
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1. Add a hidden field:
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<script language="javascript">function closefn(){
document.getElementById('status').value="close";
document.form.action="";
document.form.method="post";
document.form.submit();
parent.window.close( );
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Hi All, I developed an iview with several fields using PDK, I would like to know how can I include for a date field a dynamic value witch in this case is the current date.
<hbj:inputField
id="Date"
type="date"
maxlength="10"
showHelp="TRUE"
required="TRUE"
value="???"
/>
Thanks in advance
Alexis

Hi Alexis ,
u can use the setDate("3.12.2003") function to set date for this input field.
u just change the id = Date , because in jave we have Date class. rename it to another name..
suppose id = systemDate
<%
Format formater = new SimpleDateFormat("dd.MM.yyyy");
Date syDatum = new Date();
%>
then
put
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this will set the date .....
                    Regards
                    Kishor Gopinathan

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Hi All,
Can anyone please let me know how we can get the class name of a page or region in oracle apex? I would also like to know how we get the DOM object ID for particular item.
I appreciate any help on this.
Regards
Raj

RajEndiran wrote:
Can anyone please let me know how we can get the class name of a page or region in oracle apex?What do you mean with class name? The name of the template (e.g. the css style class name)?
I would also like to know how we get the DOM object ID for particular item.Use firebug or inspect the source code of the rendered page to see the object IDs. Other then then, the typical ID of page items is the name of the item. For regions you can set your own ID.

How to get the Class name of an API method?

Like most of us, it's difficult to know where every method within a Java class is. Also, many of the same methods are scattered throughout Java Classes. I know of two methods that retreive this... getClass().getName(). But, you must have an object to use these. Is there a way to find out what Class contains a method or Class variable thru an Applet or Java Application?? Obviously, I can look at API Docs; but this takes time.
Tks Randy

RajEndiran wrote:
Can anyone please let me know how we can get the class name of a page or region in oracle apex?What do you mean with class name? The name of the template (e.g. the css style class name)?
I would also like to know how we get the DOM object ID for particular item.Use firebug or inspect the source code of the rendered page to see the object IDs. Other then then, the typical ID of page items is the name of the item. For regions you can set your own ID.

How do I get the client IP Address from the HTTPServletRequest object

Hi ppl,
How do I get the IP address of the client machine from the HTTPServletRequest object?
Thnx in advance,
Manoj

Take a look at: http://java.sun.com/products/servlet/2.2/javadoc/index.html and check for the ServletRequest Interface.
Be aware also if your web server is using proxy, proxyReverse and so because you could end getting the servers' IP and not client one.

How to get the HttpServletRequest object in a jsp

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