Custom Exit - Get System Date with user input

I am using a BW query to connect to a BOBJ universe. Some reports from the universe must be scheduled to run for today's date and emailed to a user. Unfortunately, we cannot determine "today" dynamically when scheduling in BOBJ. There will be other reports filtered with a range.
I want to create a BW custom exit variable to allow user input. My idea is to take the user input, like "01/01/1904", and replace the value with today's date.
Is this possible?
Here's example code for what I am trying to achieve.
IF user input = "01/01/1904" then get today's date.
else use the values from the user input.
Scenario 1: user inputs 08/01/2010 - 08/31/2010 the custom exit returns values 08/01/2010 - 08/31/2010
Scenario 2: user inputs 01/01/1904 the custom exit returns 09/03/2010 (today)

Hi,
In your case, i_vnam variable and processing variable for below statement would be same.
LOOP AT i_t_var_range INTO loc_var_range WHERE vnam = 'variable name'.
Please see the below article for reference.
http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/20f119d9-922d-2c10-88af-8c016638bd90?quicklink=index&overridelayout=true

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//OutlookClient.java
//uses also Console class from Bruce Eckel
//<applet code=OutlookClient width=500 height=300>
//</applet>
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import java.util.*;
import javax.swing.UIManager;
import javax.swing.SwingUtilities;
import BruceEckel.*;
import DynamicTree.*;
import DynamicTreeNode.*;
import java.lang.reflect.*;
/* a class creating a dialog with the version, and other details about the program*/
class AboutDialog extends JDialog {
 private JButton ok = null;
 private Container cp = null;
 private JTextField tname = null;
 public AboutDialog() {
 //System.out.println("constructor");
 ok = new JButton("OK");
 cp = getContentPane();
 cp.setLayout(new FlowLayout());
 JLabel tlab = new JLabel("Outlook - client side");
 cp.add(tlab);
 //tname.setMinimumSize(new Dimension(50,10));
 //tname.setSize(new Dimension(70,10));
 tlab = new JLabel("Author: Jiri Machotka");
 cp.add(tlab);
 tlab = new JLabel("version 1.0 (September 2001)");
 cp.add(tlab);
 tlab = new JLabel("----------------------------------------------");
 cp.add(tlab);
 ok.addActionListener( new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 dispose();
 }//actionPerformed
 });//addActionListener
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 setSize(200,150);
 setTitle("About the program");
 setModal(true);
 }//constructor
* This class more-or-less contains a graphic design object used for interaction with a user.
* Apart from all ScrollPanes, Buttons, and MenuItems, it contains also 3 interesting members:
* <ol>
* <li> protected final DefaultMutableTreeNode topNode, which is initialized with
* a potent, non-removable object of the class Node
* <li> protected final DefaultTreeModel treeModel, which is initialized with the topNode
* <li> and finally protected final DynamicTree dyn_tree, which uses the 2 objects above
* </ol>
* The OutlookClient is an applet, but it can be also processed as an application (thanks to
* a library by BruceEckel).
public class OutlookClient extends JApplet {
//------------- properties -----------------------------------------
 private Action
 newMail = new AbstractAction ("New Mail", new ImageIcon("images/NewMailIcon.gif")){
 public void actionPerformed(ActionEvent e) {
 txt.setText("NewMail");
 reply = new AbstractAction ("Reply", new ImageIcon("images/ReplyIcon.gif")){
 public void actionPerformed(ActionEvent e) {
 txt.setText("Reply");
 private JButton
 /*b1 = new JButton("Add a Node"),
 b2 = new JButton("Remove the current Node"),*/ //not used now
 tb1 = new JButton (newMail),
 tb2 = new JButton (reply);
 private JTextField
 txt = new JTextField(10);
 private Container
 leftArea = new Container(),
 rightArea = new Container();
 private JScrollPane
 left = new JScrollPane (leftArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS),
 right = new JScrollPane (rightArea, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
 private JSplitPane
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 private JToolBar
 toolBar = new JToolBar();
 private JMenuBar
 menuBar = new JMenuBar();
 /*ActionListener al = new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 String name = ( (JButton)e.getSource()).getText();
 txt.setText(name);
 };*/ //not used now - used as an action listener for buttons b1, b2
 private JMenu
 mainOutlookMenu = new JMenu ("Outlook activities"),
 othersMenu = new JMenu ("Others"),
 mailMenu = new JMenu ("Mails"),
 chatMenu = new JMenu ("Chat"),
 look_and_feelMenu = new JMenu ("Look&Feel");
 private JMenuItem
 closeAppItem = new JMenuItem ("Exit",KeyEvent.VK_F3),
 newMailItem = new JMenuItem (newMail),
 replyItem = new JMenuItem (reply);
 private JRadioButtonMenuItem
 windowsLookAndFeelItem;
 protected final DefaultMutableTreeNode topNode = new DefaultMutableTreeNode(new Node ("Outlook", false, true));
 protected final DefaultTreeModel treeModel = new DefaultTreeModel(topNode);
 protected final DynamicTree dyn_tree = new DynamicTree(topNode, treeModel);
//-------------inner classes----------------------------------------
/** The class MyRenderer sets the renderer of the tree - by doing that icons can be assigned to
 * the tree's nodes. 
 * It sould be probably a standard member of a class DynamicTreeWithIcons.
 * However, it uses the knowledge that the class Node, which is the only object that can be
 * found in the dynamic tree in this application, has a method getIcon(), which returns a
 * reference to the icon object assigned to the node.
 * This is the only place, where the class Node, or its methods are called explicitely.
 protected class MyRenderer extends DefaultTreeCellRenderer {
 /** The constructor of the class.
 * - sets folders icons (opened, closed folder)
 public MyRenderer() {
 //setLeafIcon(new ImageIcon("images/middle.gif")); //for leaves' icon, all at once!
 setOpenIcon(new ImageIcon("images/folder_open.gif"));
 setClosedIcon(new ImageIcon("images/folder_close.gif"));
 /** This overridden method gets the user-specified icon for leaf nodes. */
 public Component getTreeCellRendererComponent(
 JTree tree,
 Object value,
 boolean sel,
 boolean expanded,
 boolean leaf,
 int row,
 boolean hasFocus) {
 super.getTreeCellRendererComponent(tree,value,sel,expanded,leaf,row,hasFocus);
 if (leaf)
 //workaround: test if icon not eq. null
 ImageIcon ic = getRightIcon(value);
 if (ic == null) return this;
 else
 setIcon(ic);
 return this;
 }//overridden: getTreeCellRendererComponent
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 DefaultMutableTreeNode node = (DefaultMutableTreeNode)value;
 try{
 Node node_object = (Node)(node.getUserObject());
 return (node_object.getIcon());
 catch (Exception e) { return null; }
 }// ImageIcon getRightIcon(Object value)
}//class MyRenderer
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 private void assignListeners(){
 dyn_tree.addTreeSelectionListener(new TreeSelectionListener() {
 public void valueChanged(TreeSelectionEvent e) {
 DefaultMutableTreeNode node = (DefaultMutableTreeNode)dyn_tree.getLastSelectedPathComponent();
 if (node == null) return;
 if (node.isLeaf()) { txt.setText(node.toString()); }
 }//assignListeners()
 private void createLayout(){
 leftArea.setLayout(new BoxLayout(leftArea,BoxLayout.Y_AXIS));
 rightArea.setLayout(new BoxLayout(rightArea,BoxLayout.Y_AXIS));
 //left.setMinimumSize(new Dimension(120,200));
 right.setMinimumSize(new Dimension(50,50));
 //rightArea.add(b1);
 //rightArea.add(b2);
 rightArea.add(txt);
 //leftArea.add(tree); ... not nice (why?)
 left = new JScrollPane (dyn_tree, JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
 left.setMinimumSize(new Dimension(180,200));
 sp.setLeftComponent(left);
 }//createLayout()
 private void createMenu(){
 ButtonGroup group = new ButtonGroup();
 JRadioButtonMenuItem rbMenuItem;
 closeAppItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F3, ActionEvent.ALT_MASK));
 closeAppItem.getAccessibleContext().setAccessibleDescription("Closes application");
 closeAppItem.addActionListener( new ActionListener() {
 public void actionPerformed(ActionEvent e) {System.exit(0);}
 othersMenu.setMnemonic(KeyEvent.VK_O);
 othersMenu.getAccessibleContext().setAccessibleDescription("System settings&Others");
 rbMenuItem = new JRadioButtonMenuItem("Java");
 rbMenuItem.setSelected(true);
 rbMenuItem.setMnemonic(KeyEvent.VK_J);
 group.add(rbMenuItem);
 rbMenuItem.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {setPLAF(UIManager.getCrossPlatformLookAndFeelClassName( ) );}
 look_and_feelMenu.add(rbMenuItem);
 rbMenuItem = new JRadioButtonMenuItem("Windows");
 rbMenuItem.setMnemonic(KeyEvent.VK_W);
 group.add(rbMenuItem);
 rbMenuItem.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {setPLAF("com.sun.java.swing.plaf.windows.WindowsLookAndFeel");}
 look_and_feelMenu.add(rbMenuItem);
 windowsLookAndFeelItem = rbMenuItem;
 look_and_feelMenu.setMnemonic(KeyEvent.VK_L);
 look_and_feelMenu.getAccessibleContext().setAccessibleDescription("Look&Feel");
 JMenuItem aboutItem = new JMenuItem ("About");
 aboutItem.addActionListener(new ActionListener() {
 public void actionPerformed(ActionEvent e) {
 AboutDialog ad = new AboutDialog();
 ad.show();
 othersMenu.add(look_and_feelMenu);
 othersMenu.addSeparator();
 othersMenu.add(aboutItem);
 othersMenu.addSeparator();
 othersMenu.add(closeAppItem);
 mainOutlookMenu.setMnemonic(KeyEvent.VK_A);
 mainOutlookMenu.getAccessibleContext().setAccessibleDescription("Outlook activities");
 menuBar.add(mainOutlookMenu);
 menuBar.add(othersMenu);
 mailMenu.setMnemonic(KeyEvent.VK_M);
 mailMenu.getAccessibleContext().setAccessibleDescription("Mail activities");
 chatMenu.setMnemonic(KeyEvent.VK_C);
 chatMenu.getAccessibleContext().setAccessibleDescription("Chat");
 chatMenu.setEnabled(false);
 mainOutlookMenu.add(mailMenu);
 mainOutlookMenu.addSeparator();
 mainOutlookMenu.add(chatMenu);
 //mailMenu.add(newMail);
 //mailMenu.add(reply); //class Action has problems to catch the accelerator keys
 newMailItem.setMnemonic(KeyEvent.VK_N);
 replyItem.setMnemonic(KeyEvent.VK_R);
 mailMenu.add(newMailItem);
 mailMenu.add(replyItem);
 newMailItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
 replyItem.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_R, ActionEvent.ALT_MASK));
 //newMail.putValue(Action.NAME, "New mail");
 //newMail.putValue(Action.SHORT_DESCRIPTION, "New mail");
 //newMail.putValue(Action.LONG_DESCRIPTION, "New mail");
 //newMail.putValue(Action.MNEMONIC_KEY, "N"); //cast an exception. why?
 //newMail.putValue(Action.ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_N, ActionEvent.CTRL_MASK));
 setJMenuBar(menuBar);
 }//createMenu()
 private void createToolBar(){
 //toolBar.add(newMail);
 //toolBar.add(reply); //does not provide texts and mnemonics
 tb1.setMnemonic(KeyEvent.VK_N);
 tb2.setMnemonic(KeyEvent.VK_R);
 toolBar.add(tb1);
 toolBar.add(tb2);
 }//createToolBar()
 private void createNodes(DefaultMutableTreeNode topNode){
 //new for dynamic processing
 DefaultMutableTreeNode
 parentNode = null,
 leaveNode = null;
 parentNode = dyn_tree.addObject(null,new Node ("MailFolders", false, true));
 dyn_tree.addObject(parentNode,new Node ("Inbox","images/InboxIcon.gif", false, false));
 dyn_tree.addObject(parentNode,new Node ("Outbox","images/OutboxIcon.gif", false, false));
 dyn_tree.addObject(parentNode,new Node ("Sent","images/SentIcon.gif", false, false));
 dyn_tree.addObject(parentNode,new Node ("Deleted","images/DeletedIcon.gif", false, false));
 //leaveNode.setEnabled(false); //TODO: disable "Chat"node
 dyn_tree.addObject(null,new Node ("Chat", false, false));
 }//createcreateNodes(DefaultMutableTreeNode)
 private void setTreeSettings(){
 //one selection at one time
 dyn_tree.getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION);
 //connect nodes with a thin line - Java style only
 dyn_tree.putClientProperty("JTree.lineStyle","Angled");
 //collapse the root's children first
 //tree.setShowsRootHandles(false);
 //icon adjustment
 MyRenderer MyRen = new MyRenderer();
 dyn_tree.setCellRenderer(MyRen);
 //modifiable tree - by double click - allows modifying of nodes' names
 // but unfortunately also restores original icons
 //tree.setEditable(true);
 }//setTreeSettings()
 private boolean setPLAF(String LookAndFeelName){
 try{
 UIManager.setLookAndFeel(LookAndFeelName);
 SwingUtilities.updateComponentTreeUI(this);
 return true;
 } catch (Exception e) {
 //e.printStackTrace(System.err);
 return false;
 }//setPLAF(String LookAndFeelName)
 private void trytosetLookAndFeel(){
 if (setPLAF("com.sun.java.swing.plaf.windows.WindowsLookAndFeel"))
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Custom Exit - Get System Date with user input

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