Ias 10.1.2 and DISPLAY variable
Hi all.
In production I have installed aix server (5.3) with ebs 11.5.10.2 and ias 10.1.2 (in new ORACLE_HOME). Everything works fine, but to make it clear, i need help regarding DISPLAY variable.
On ebs 11i, DISPLAY variable is set to non existing IP address for X server and everything works fine, only need Xvnc up.
On IAS 10.1.2, Xvnc is up and i have to set DISPLAY variable to X-Win server on second win machine. In this case everything works.
Can anyone explain why is it so , because i do not understand the concept of XWin.
Thanks
Boris
Hi,
I have the same problem. Do you find something about putting jsf in OAS 10.1.2 ?
Regards
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the code is
This is my Main Form --- Interactive Geometry.java
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
* InteractiveGeometry.java
* Created on 30 November 2004, 20:29
* @author Kripa Bhojwani
public class InteractiveGeometry extends javax.swing.JFrame {
public EastPanel eastpanel;
public Container container;
public GeomPanel gp;
public boolean pressed = false;
public boolean pressT = false;
public boolean pressR = false;
/** Creates new form InteractiveGeometry */
public InteractiveGeometry() {
initComponents();
eastpanel = new EastPanel();
container = new Container();
Model model = new Model(300,150,450,300,300,300);
gp = new GeomPanel(model);
container = getContentPane();
container.add(eastpanel,BorderLayout.EAST);
container.add(gp,BorderLayout.CENTER);
setSize(1400,9950);
gp.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseDragged(MouseEvent me) {
setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
public void mouseMoved(MouseEvent me) {
setTitle("Moving: x=" + me.getX() + "; y=" + me.getY());
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
jMenuBar2 = new javax.swing.JMenuBar();
jMenu2 = new javax.swing.JMenu();
jMenuItem1 = new javax.swing.JMenuItem();
jMenu1 = new javax.swing.JMenu();
jMenuItem2 = new javax.swing.JMenuItem();
addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
public void mouseDragged(java.awt.event.MouseEvent evt) {
formMouseDragged(evt);
public void mouseMoved(java.awt.event.MouseEvent evt) {
formMouseMoved(evt);
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(java.awt.event.WindowEvent evt) {
exitForm(evt);
jMenuBar2.setBackground(new java.awt.Color(0, 102, 204));
jMenu2.setBackground(new java.awt.Color(222, 222, 238));
jMenu2.setText("File");
jMenu2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenu2ActionPerformed(evt);
jMenuItem1.setBackground(new java.awt.Color(204, 255, 255));
jMenuItem1.setText("Exit");
jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem1ActionPerformed(evt);
jMenu2.add(jMenuItem1);
jMenuBar2.add(jMenu2);
jMenu1.setBackground(new java.awt.Color(199, 215, 255));
jMenu1.setText("Theorem ");
jMenuItem2.setText("Pythagoras Theorem");
jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
jMenuItem2ActionPerformed(evt);
jMenu1.add(jMenuItem2);
jMenuBar2.add(jMenu1);
setJMenuBar(jMenuBar2);
pack();
private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
private void formMouseDragged(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
private void formMouseMoved(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
public void mouseDragged(MouseEvent me) {
setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
private void jMenu2ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(0);
/** Exit the Application */
private void exitForm(java.awt.event.WindowEvent evt) {
System.exit(0);
* @param args the command line arguments
public static void main(String args[]) {
InteractiveGeometry ig = new InteractiveGeometry();
ig.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ig.show();
// new InteractiveGeometry().show();
// Variables declaration - do not modify
private javax.swing.JMenu jMenu1;
private javax.swing.JMenu jMenu2;
private javax.swing.JMenuBar jMenuBar2;
private javax.swing.JMenuItem jMenuItem1;
private javax.swing.JMenuItem jMenuItem2;
// End of variables declaration
This is my Panel -- GeomPanel.java which draws everything -- /*
* GeomPanel.java
* Created on 30 November 2004, 20:29
import java.awt.*;
import java.util.*;
import javax.swing.*;
import java.awt.Graphics.*;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.event.*;
import java.awt.Graphics2D;
import java.awt.geom.Ellipse2D;
import javax.swing.event.TableModelListener;
import javax.swing.JScrollPane;
import javax.swing.event.*;
import java.awt.Dimension;
import java.awt.Container.*;
* @author Kripa Bhojwani
public class GeomPanel extends javax.swing.JPanel implements Observer, MouseMotionListener, MouseListener {
private Model model;
private boolean pressed = false;
private boolean pressT = false;
private boolean pressR = false;
/** Creates new form GeomPanel */
public GeomPanel(Model model) {
this.model = model;
model.addObserver(this);
addMouseListener(this);
addMouseMotionListener(this);
initComponents();
setBackground(Color.getHSBColor(6,600,660));
public void paintComponent(Graphics gfx) {
Graphics2D g = (Graphics2D) gfx;
Point tc = model.getTop();
Point lc = model.getLeft();
Point rc = model.getRight();
Point2D.Double p1 = new Point2D.Double(tc.getX(),tc.getY());
Point2D.Double p2 = new Point2D.Double(lc.getX(),lc.getY());
Point2D.Double p3 = new Point2D.Double(rc.getX(),rc.getY());
Line2D.Double line = new Line2D.Double(p1, p2);
Line2D.Double line1 = new Line2D.Double(p2, p3);
Line2D.Double line2 = new Line2D.Double(p1, p3);
g.setColor(Color.BLACK);
g.draw(line);
g.draw(line2);
g.draw(line1);
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
setLayout(new java.awt.BorderLayout());
addMouseMotionListener(new java.awt.event.MouseMotionAdapter() {
public void mouseDragged(java.awt.event.MouseEvent evt) {
formMouseDragged(evt);
private void formMouseDragged(java.awt.event.MouseEvent evt) {
// TODO add your handling code here:
public void mouseClicked(MouseEvent e) {
public void mouseDragged(MouseEvent e) {
System.out.println("Dragged at "+ e.getX()+ "," + e.getY());
if(pressed == true){
model.setLeft(e.getX() , e.getY());
else if(pressT == true){
model.setTop(e.getX() , e.getY());
else if (pressR == true){
model.setRight(e.getX(), e.getY());
else{
pressed = false;
pressT= false;
pressR=false;
repaint();
public void mouseEntered(MouseEvent e) {
public void mouseExited(MouseEvent e) {
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mousePressed(MouseEvent e) {
if (model.getLeft().getX()== e.getX() && model.getLeft().getY()== e.getY()){
pressed = true;
else if (model.getTop().getX()==e.getX() && model.getTop().getY()==e.getY()){
pressT = true;
else if(model.getRight().getX() == e.getX() && model.getRight().getY()==e.getY()){
pressR = true;
// else if(model.getCircle().getX() == e.getX() && model.getCircle().getY() == e.getY()){
// inoval = true;
else {
pressed =false;
pressT = false;
pressR = false;
} repaint();
public void mouseReleased(MouseEvent e) {
if(pressed == true){
model.setLeft(e.getX(),e.getY());
else if (pressT ==true ){
model.setTop(e.getX(), e.getY());
else if(pressR ==true){
model.setRight(e.getX(),e.getY());
else {
pressed = false;
pressT = false;
pressR = false;
repaint();
public void update(Observable o, Object arg) {
repaint();
// Variables declaration - do not modify
// End of variables declaration
This is my Model class called Model.java which Holds all teh data for my triangle
import java.awt.Point;
import java.util.Observable;
* Model.java
* Created on 05 December 2004, 14:11
* @author Kripa Bhojwani
public class Model extends Observable{
private int x1,x2,x3, y1,y2,y3;
private int _transx;
private int _transy;
private int _c;
private int _d;
/** Creates a new instance of Model */
public Model(int x1, int y1, int x2, int y2, int x3, int y3) {
this.x1 = x1;
this.y1 = y1;
this.x2 = x2;
this.y2 = y2;
this.x3 = x3;
this.y3 = y3;
setChanged();
notifyObservers();
public void setTop(int x1, int y1){
//this.x1 =x1;
this.y1= y1;
setChanged();
notifyObservers();
public void setRight(int x2, int y2){
this.x2 = x2;
// this.y2 =y2;
setChanged();
notifyObservers();
public void setLeft(int x3, int y3){
_transx = x3 - this.x3;
_transy = y3 - this.y3;
this.x3 += _transx;
this.y3 += _transy;
this.y2 += _transy;
this.x2 += _transx;
this.x1 += _transx;
this.y1 += _transy;
setChanged();
notifyObservers();
public Point getTop(){
Point p = new Point(x1,y1);
return p;
public Point getRight(){
Point p1 = new Point(x2,y2);
return p1;
public Point getLeft(){
Point p3 = new Point(x3,y3);
return p3;
public void update() {
setChanged();
notifyObservers();
This is my TableModel which is the JTable to display all the Cordinates and Lengths and other Measurements like angles etc./*
* TableModel.java
* Created on 03 December 2004, 15:08
import javax.swing.JTable;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import javax.swing.JFrame;
import java.awt.*;
import java.awt.event.*;
import java.util.Observer;
import javax.swing.event.TableModelEvent;
import javax.swing.table.AbstractTableModel;
* @author Kripa Bhojwani
public class TableModel extends AbstractTableModel implements Observer{
private String[] columnNames = {"Point", "X Coordinate", "Y Coordinate"};
private Object[][] data = {};
private int rowCount;
private int columnCount;
/** Creates a new instance of TableModel */
public TableModel() {
rowCount = 0;
columnCount = 3;
public int getColumnCount() {
return columnCount;
public int getRowCount() {
return rowCount;
public String getColumnName(int col) {
return columnNames[col];
public void setColumnName (String[] name){
columnNames = name;
public void setValueAt(Object obj, int row, int col) {
data[row][col] = obj;
fireTableCellUpdated(row, col);
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fireTableChanged(tme);
public Object getValueAt(int row, int col) {
return data[row][col];
public void update(java.util.Observable o, Object arg) {
This is the Panel on the east side of My Main application form which will display all the measurements and Cordinates ---EastPanel.java
import java.awt.BorderLayout;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.event.TableModelListener;
import java.awt.Dimension;
* EastPanel.java
* Created on 04 December 2004, 23:07
* @author Kripa Bhojwani
public class EastPanel extends javax.swing.JPanel implements TableModelListener{
private TableModel tm;
/** Creates new form EastPanel */
public EastPanel() {
initComponents();
tm = new TableModel();
JTable table1 = new JTable(tm);
table1.setPreferredScrollableViewportSize(new Dimension(250,264));
table1.getModel().addTableModelListener(this);
JScrollPane sp = new JScrollPane(table1);
add(sp,BorderLayout.EAST);
/** This method is called from within the constructor to
* initialize the form.
* WARNING: Do NOT modify this code. The content of this method is
* always regenerated by the Form Editor.
private void initComponents() {
setLayout(new java.awt.BorderLayout());
public void tableChanged(javax.swing.event.TableModelEvent e) {
// Variables declaration - do not modify
// End of variables declaration
}import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
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TriangleModel tri = new
ri = new TriangleModel(175,100,175,250,325,250);
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f.getContentPane().add(view.getUIPanel(),
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f.getContentPane().add(view);
f.getContentPane().add(view.getTablePanel(),
Panel(), "South");
f.setSize(500,500);
f.setLocation(200,200);
f.setVisible(true);
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new G();
class TriangleModel // (x1,
y1)
{ // |\
static final int SIDES = 3; // | \
private int cx, cy; // |
| \
Polygon triangle; // |_
|_ _\ (x3, y3)
int selectedIndex; // (x2,
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NumberFormat nf;
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int y2, int x3, int y3)
int[] x = new int[] { x1, x2, x3 };
int[] y = new int[] { y1, y2, y3 };
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nf.setMaximumFractionDigits(1);
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// Polygon.contains doesn't work well enough
return (new Area(triangle)).contains(p);
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for(int j = 0; j < SIDES; j++)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
int x1 = x[j];
int y1 = y[j];
int x2 = x[(j + 1) % SIDES];
int y2 = y[(j + 1) % SIDES];
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selectedIndex = j;
return true;
selectedIndex = -1;
return false;
* Only works for right triangle with right angle
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int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
switch(selectedIndex)
case 0:
x[0] += dx;
x[1] += dx;
break;
case 1:
y[1] += dy;
y[2] += dy;
break;
case 2:
double rise = y[2] - y[0];
double run = x[2] - x[0];
double slope = rise/run;
// rise / run == (y[2] - p.y) / (x[2]
] - p.y) / (x[2] - p.x)
x[2] = p.x + (int)((y[2] - p.y) /
)((y[2] - p.y) / slope);
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y - y[0]) / (p.x - x[0])
y[0] = p.y - (int)((p.x - x[0]) *
)((p.x - x[0]) * slope);
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triangle.translate(dx, dy);
public Polygon getTriangle()
return triangle;
public String findCentroid()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
// construct the medians defined as the line
the line from
// any vertex to the midpoint of the opposite
opposite line
medians = new Line2D[x.length];
for(int j = 0; j < x.length; j++)
int next = (j + 1) % x.length;
int last = (j + 2) % x.length;
Point2D vertex = new Point2D.Double(x[j],
Double(x[j], y[j]);
// get midpoint of line opposite vertex
double dx = ((double)x[last] -
le)x[last] - x[next])/2;
double dy = ((double)y[last] -
le)y[last] - y[next])/2;
Point2D oppLineCenter = new
Center = new Point2D.Double(x[next] + dx,
y[next]
y[next] + dy);
medians[j] = new Line2D.Double(vertex,
uble(vertex, oppLineCenter);
// centroid is located on any median 2/3 the
2/3 the way from the
// vertex (P1) to the midpoint (P2) on the
) on the opposite side
double[] lengths = getSideLengths();
double dx = (medians[0].getX2() -
etX2() - medians[0].getX1())*2/3;
double dy = (medians[0].getY2() -
etY2() - medians[0].getY1())*2/3;
double px = medians[0].getX1() + dx;
double py = medians[0].getY1() + dy;
//System.out.println("px = " + nf.format(px)
rmat(px) +
// "\tpy = " +
py = " + nf.format(py));
centroid = new Point2D.Double(px, py);
return "(" + nf.format(px) + ", " +
", " + nf.format(py) + ")";
public String[] getAngles()
double[] lengths = getSideLengths();
String[] vertices = new
es = new String[lengths.length];
for(int j = 0; j < lengths.length; j++)
int opp = (j + 1) % lengths.length;
int last = (j + 2) % lengths.length;
double top = lengths[j] * lengths[j] +
lengths[last] *
lengths[last] * lengths[last] -
lengths[opp] *
lengths[opp] * lengths[opp];
double divisor = 2 * lengths[j] *
lengths[j] * lengths[last];
double vertex = Math.acos(top /
h.acos(top / divisor);
vertices[j] =
ertices[j] = nf.format(Math.toDegrees(vertex));
return vertices;
public String[] getLengths()
double[] lengths = getSideLengths();
String[] lengthStrs = new
rs = new String[lengths.length];
for(int j = 0; j < lengthStrs.length; j++)
lengthStrs[j] = nf.format(lengths[j]);
return lengthStrs;
public String[] getSquares()
double[] lengths = getSideLengths();
String[] squareStrs = new
rs = new String[lengths.length];
for(int j = 0; j < squareStrs.length; j++)
squareStrs[j] = nf.format(lengths[j] *
lengths[j] * lengths[j]);
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int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
double[] lengths = new double[SIDES];
for(int j = 0; j < SIDES; j++)
int next = (j + 1) % SIDES;
lengths[j] = Point.distance(x[j], y[j],
(x[j], y[j], x[next], y[next]);
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class TriangleView extends JPanel
private TriangleModel model;
private Polygon triangle;
private JTable table;
private JLabel centroidLabel;
private boolean showConstruction;
TriangleControl control;
public TriangleView(TriangleModel model)
this.model = model;
triangle = model.getTriangle();
showConstruction = false;
control = new TriangleControl(this);
addMouseListener(control);
addMouseMotionListener(control);
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super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.draw(triangle);
if(model.medians == null)
centroidLabel.setText("centroid location:
id location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging)
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new
g2.fill(new Ellipse2D.Double(model.centroid.getX() -
2,
model.centroid.getY()
model.centroid.getY() - 2, 4, 4));
public TriangleModel getModel()
return model;
public JTable getTable()
return table;
public JLabel getCentroidLabel()
return centroidLabel;
public JPanel getUIPanel()
JCheckBox showCon = new JCheckBox("show
ox("show construction");
showCon.addActionListener(new
ener(new ActionListener()
public void actionPerformed(ActionEvent
(ActionEvent e)
boolean state =
boolean state =
((JCheckBox)e.getSource()).isSelected();
showConstruction = state;
repaint();
JPanel panel = new JPanel();
panel.add(showCon);
return panel;
public JPanel getTablePanel()
String[] headers = new String[] { "", "", "",
// row and column data labels
String[] rowHeaders = {
"sides", "lengths", "squares", "angles",
", "angles", "degrees"
String[] sidesRow = { "vertical",
rtical", "horizontal", "hypotenuse" };
String[] anglesRow = { "hyp to ver", "ver to
"ver to hor", "hor to hyp" };
// collect data from model
String[] angles = model.getAngles();
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[][] allData = { sidesRow, lengths,
lengths, squares, anglesRow, angles };
int rows = 5;
int cols = 4;
Object[][] data = new Object[rows][cols];
for(int row = 0; row < rows; row++)
data[row][0] = rowHeaders[row];
for(int col = 1; col < cols; col++)
data[row][col] = allData[row][col -
lData[row][col - 1];
table = new JTable(data, headers)
public boolean isCellEditable(int row,
ble(int row, int col)
return false;
DefaultTableCellRenderer renderer =
(DefaultTableCellRenderer)table.getDefaultRenderer(St
ring.class);
renderer.setHorizontalAlignment(JLabel.CENTER);
centroidLabel = new JLabel("centroid
centroid location: ", JLabel.CENTER);
Dimension d =
sion d = centroidLabel.getPreferredSize();
d.height = table.getRowHeight();
centroidLabel.setPreferredSize(d);
JPanel panel = new JPanel(new
anel(new BorderLayout());
panel.setBorder(BorderFactory.createTitledBorder("tri
angle data"));
panel.add(table);
panel.add(centroidLabel, "South");
return panel;
class TriangleControl extends MouseInputAdapter
TriangleView view;
TriangleModel model;
Point start;
boolean dragging, altering;
Rectangle lineLens; // used for line
line selection
public TriangleControl(TriangleView tv)
view = tv;
model = view.getModel();
dragging = altering = false;
lineLens = new Rectangle(0, 0, 6, 6);
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
lineLens.setLocation(p.x - 3, p.y - 3);
// are we over a line
if(model.isLineSelected(lineLens))
start = p;
altering = true;
// or are we within the triangle
else if(model.contains(p))
start = p;
dragging = true;
public void mouseReleased(MouseEvent e)
altering = false;
dragging = false;
view.getCentroidLabel().setText("centroid
centroid location: " +
model.findCentroid());
view.repaint(); // for the construction
truction lines
public void mouseDragged(MouseEvent e)
Point p = e.getPoint();
if(altering)
int x = p.x - start.x;
int y = p.y - start.y;
model.moveSide(x, y, p);
updateTable();
view.repaint();
start = p;
else if(dragging)
int x = p.x - start.x;
int y = p.y - start.y;
model.translate(x, y);
view.repaint();
start = p;
private void updateTable()
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
JTable table = view.getTable();
for(int j = 0; j < angles.length; j++)
table.setValueAt(lengths[j], 1, j + 1);
table.setValueAt(squares[j], 2, j + 1);
table.setValueAt(angles[j], 4, j + 1);
view.getCentroidLabel().setText("centroid
centroid location: " +
model.findCentroid());
Hey sorry mate.. ive got a nother problem.
I need to add loads of theorems to this tool. so i need a JMenu Bar called File with all the normal things. then another Menu called Theorems where i can have a list of JMenuItems with the theorem names --- Like when they click on Pythagoras Theorem it opens up all the triangle and the traingle data that u helped me with.
The thing is im using netbeans and in netbeans i can do it coz its there and all you got to do is put the components together.
Please Help
Thanks...
Sharan -
Open and display image in MVC layout
Hello!
I cant figure out how I shall do this in an MVC layout:
The program request user to open an image file that are then displayed in a JLabel
My setup at the moment resolve in a nullpointerexeption because it dont get any actual image file, but I dont understand what I have missed.
I can not post the whole code fo you to run because it is to big, so I post the part that are the most important. please have a look.
PicturePanel
//Import Java library
import javax.swing.*;
import java.awt.*;
public class PicturePanel extends JPanel {
//Variables
private ImageIcon picture;
//Method to get information of the selected file
PicturePanel (String fileName) {
picture = new ImageIcon (fileName); //Get the filename
int w = picture.getIconWidth(); //Get the image with
int h = picture.getIconHeight(); //Get the image height
//Set preferable size for the image (Use the properties for the selected image)
setPreferredSize(new Dimension(w, h));
setMinimumSize(new Dimension(w, h));
setMaximumSize(new Dimension(w, h));
//Method to draw the selected image
protected void paintComponent(Graphics g) {
super.paintComponent(g); //We invoke super in order to: Paint the background, do custom painting.
g.drawImage(picture.getImage(), 0, 0, this); //Draw the image at its natural state
}From my model:
//Local attributes
boolean check = false; //Used to see if a statement is true or not
PicturePanel pp;
JFileChooser fc;
int returnVal;
//newFile in File menu
public void newFile() {
//Open a file dialog in users home catalog
fc = new JFileChooser();
//In response to a button click:
returnVal = fc.showOpenDialog(pp);
System.out.println("You pressed new in file menu");
}From my controler:
//User press "New" in File menu
else if (user_action.equals("New")) {
//Call method in model class
model.newFile();
//Update changes
if (model.returnVal == JFileChooser.APPROVE_OPTION) {
System.out.println("Hello1");
File f = model.fc.getSelectedFile();
if (model.pp != null)
model.pp = new PicturePanel(f.getAbsolutePath());
System.out.println("Hello2");
//Display image (Here is line 83)
view.setImage_DisplayArea(model.pp);
System.out.println("Hello3");
}From my view:
//Sets the image to be displayed on the image_display area (Here is line 302)
public void setImage_DisplayArea(PicturePanel pp) {
image_display.add(pp);
}The complet error:
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at java.awt.Container.addImpl(Container.java:1015)You pressed new in file menu
Hello1
Hello2
at java.awt.Container.add(Container.java:351)
at View_Inlupp2.setImage_DisplayArea(View_Inlupp2.java:302)
at Control_Inlupp2.actionPerformed(Control_Inlupp2.java:83)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1882)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2202)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:420)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:258)
at javax.swing.AbstractButton.doClick(AbstractButton.java:334)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1050)
at apple.laf.CUIAquaMenuItem.doClick(CUIAquaMenuItem.java:119)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:1091)
at java.awt.Component.processMouseEvent(Component.java:5602)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3129)
at java.awt.Component.processEvent(Component.java:5367)
at java.awt.Container.processEvent(Container.java:2010)
at java.awt.Component.dispatchEventImpl(Component.java:4068)
at java.awt.Container.dispatchEventImpl(Container.java:2068)
at java.awt.Component.dispatchEvent(Component.java:3903)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4256)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3936)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3866)
at java.awt.Container.dispatchEventImpl(Container.java:2054)
at java.awt.Window.dispatchEventImpl(Window.java:1801)
at java.awt.Component.dispatchEvent(Component.java:3903)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:463)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:190)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)Edited by: onslow77 on Dec 16, 2009 5:00 PM
Edited by: onslow77 on Dec 16, 2009 5:04 PMHello again!
Anyone that can help me figure out how to implement this in an MVC layout, I feel stuck.
I post a little program that open and display an image file so that you better can understand what I whant to do.
ShowImage
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.io.File;
import javax.swing.filechooser.*;
public class ShowImage extends JFrame{
//Variables
JFileChooser fc = new JFileChooser();
PicturePanel pp = null;
ShowImage () {
super("Show"); //Title
//Create the GUI
JPanel top = new JPanel();
add(top, BorderLayout.NORTH);
JButton openBtn = new JButton("Open");
top.add(openBtn);
openBtn.addActionListener(new Listner());
//Settings for the GUI
setDefaultCloseOperation(EXIT_ON_CLOSE);
pack();
setVisible(true);
class Listner implements ActionListener {
public void actionPerformed(ActionEvent ave) {
int answer = fc.showOpenDialog(ShowImage.this);
if (answer == JFileChooser.APPROVE_OPTION){
File f = fc.getSelectedFile();
//Check
System.out.println(f);
System.out.println(pp);
if (pp != null)
remove(pp); //Clean so that we can open another image
//Check
System.out.println(pp);
//Set the PicturePanel
pp = new PicturePanel(f.getAbsolutePath());
//Check
System.out.println(pp);
//Add PicturePanel to frame
add(pp, BorderLayout.CENTER);
validate();
pack();
repaint();
//Main
public static void main(String[] args) {
new ShowImage();
}PicturePanel
//Import Java library
import javax.swing.*;
import java.awt.*;
public class PicturePanel extends JPanel {
//Variables
private ImageIcon picture;
//Method to get information of the selected file
PicturePanel (String fileName) {
picture = new ImageIcon (fileName); //Get the filename
int w = picture.getIconWidth(); //Get the image with
int h = picture.getIconHeight(); //Get the image height
//Set preferable size for the image (Use the properties for the selected image)
setPreferredSize(new Dimension(w, h));
setMinimumSize(new Dimension(w, h));
setMaximumSize(new Dimension(w, h));
//Method to draw the selected image
protected void paintComponent(Graphics g) {
super.paintComponent(g); //We invoke super in order to: Paint the background, do custom painting.
g.drawImage(picture.getImage(), 0, 0, this); //Draw the image at its natural state
}//The endEdited by: onslow77 on Dec 16, 2009 7:30 PM -
Trying to pass and object variable to a method
I have yet another question. I'm trying to display my output in succession using a next button. The button works and I get what I want using test results, however what I really want to do is pass it a variable instead of using a set number.
I want to be able to pass the object variables myProduct, myOfficeSupplies, and maxNumber to method actionPerformed so they can be in-turn passed to the displayResults method which is called in the actionPerformed method. Since there is no direct call to actionPerformed because it is called within one of the built in methods, I can't tell it to receive and pass those variables. Is there a way to do it without having to pass them through the built-in methods?
import javax.swing.JToolBar;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.JScrollPane;
import javax.swing.JPanel;
import java.net.URL;
import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class Panel extends JPanel implements ActionListener
protected JTextArea myTextArea;
protected String newline = "\n";
static final private String FIRST = "first";
static final private String PREVIOUS = "previous";
static final private String NEXT = "next";
public Panel( Product myProduct, OfficeSupplies myOfficeSupplies, int maxNumber )
super(new BorderLayout());
int counter = 0;
//Create the toolbar.
JToolBar myToolBar = new JToolBar( "Still draggable" );
addButtons( myToolBar );
//Create the text area used for output.
myTextArea = new JTextArea( 450, 190 );
myTextArea.setEditable( false );
JScrollPane scrollPane = new JScrollPane( myTextArea );
//Lay out the main panel.
setPreferredSize(new Dimension( 450, 190 ));
add( myToolBar, BorderLayout.PAGE_START );
add( scrollPane, BorderLayout.CENTER );
myTextArea.setText( packageData( myProduct, myOfficeSupplies, counter ) );
setCounter( counter );
} // End Constructor
protected void addButtons( JToolBar myToolBar )
JButton myButton = null;
//first button
myButton = makeNavigationButton( FIRST, "Display first record", "First" );
myToolBar.add(myButton);
//second button
myButton = makeNavigationButton( PREVIOUS, "Display previous record", "Previous" );
myToolBar.add(myButton);
//third button
myButton = makeNavigationButton( NEXT, "Display next record", "Next" );
myToolBar.add(myButton);
} //End method addButtons
protected JButton makeNavigationButton( String actionCommand, String toolTipText, String altText )
//Create and initialize the button.
JButton myButton = new JButton();
myButton.setActionCommand( actionCommand );
myButton.setToolTipText( toolTipText );
myButton.addActionListener( this );
myButton.setText( altText );
return myButton;
} // End makeNavigationButton method
public void actionPerformed( ActionEvent e )
String cmd = e.getActionCommand();
// Handle each button.
if (FIRST.equals(cmd))
{ // first button clicked
int counter = 0;
setCounter( counter );
else if (PREVIOUS.equals(cmd))
{ // second button clicked
counter = getCounter();
if ( counter == 0 )
counter = 5; // 5 would be replaced with variable maxNumber
setCounter( counter );
else
counter = getCounter() - 1;
setCounter( counter );
else if (NEXT.equals(cmd))
{ // third button clicked
counter = getCounter();
if ( counter == 5 ) // 5 would be replaced with variable maxNumber
counter = 0;
setCounter( counter );
else
counter = getCounter() + 1;
setCounter( counter );
displayResult( counter );
} // End method actionPerformed
private int counter;
public void setCounter( int number ) // Declare setCounter method
counter = number; // stores the counter
} // End setCounter method
public int getCounter() // Declares getCounter method
return counter;
} // End method getCounter
protected void displayResult( int counter )
//Test statement
// myTextArea.setText( String.format( "%d", counter ) );
// How can I carry the myProduct and myOfficeSupplies variables into this method?
myTextArea.setText( packageData( product, officeSupplies, counter ) );
myTextArea.setCaretPosition(myTextArea.getDocument().getLength());
} // End method displayResult
* Create the GUI and show it. For thread safety,
* this method should be invoked from the
* event dispatch thread.
public void createAndShowGUI( Product myProduct, OfficeSupplies myOfficeSupplies, int maxNumber )
//Create and set up the window.
JFrame frame = new JFrame("Products");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
//Add content to the window.
frame.add(new Panel( myProduct, myOfficeSupplies, maxNumber ));
//Display the window.
frame.pack();
frame.setVisible( true );
} // End method createAndShowGUI
public void displayData( Product myProduct, OfficeSupplies myOfficeSupplies, int maxNumber )
JTextArea myTextArea = new JTextArea(); // textarea to display output
JFrame JFrame = new JFrame( "Products" );
// For loop to display data array in a single Window
for ( int counter = 0; counter < maxNumber; counter++ ) // Loop for displaying each product
myTextArea.append( packageData( myProduct, myOfficeSupplies, counter ) + "\n\n" );
JFrame.add( myTextArea ); // add textarea to JFrame
} // End For Loop
JScrollPane scrollPane = new JScrollPane( myTextArea ); //Creates the JScrollPane
JFrame.setPreferredSize(new Dimension(350, 170)); // Sets the pane size
JFrame.add(scrollPane, BorderLayout.CENTER); // adds scrollpane to JFrame
JFrame.setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE ); // Sets program to exit on close
JFrame.setSize( 350, 170 ); // set frame size
JFrame.setVisible( true ); // display frame
} // End method displayData
public String packageData( Product myProduct, OfficeSupplies myOfficeSupplies, int counter ) // Method for formatting output
return String.format( "%s: %d\n%s: %s\n%s: %s\n%s: %s\n%s: $%.2f\n%s: $%.2f\n%s: $%.2f\n%s: $%.2f",
"Product Number", myOfficeSupplies.getProductNumber( counter ),
"Product Name", myOfficeSupplies.getProductName( counter ),
"Product Brand",myProduct.getProductBrand( counter ),
"Number of Units in stock", myOfficeSupplies.getNumberUnits( counter ),
"Price per Unit", myOfficeSupplies.getUnitPrice( counter ),
"Total Value of Item in Stock is", myOfficeSupplies.getProductValue( counter ),
"Restock charge for this product is", myProduct.restockingFee( myOfficeSupplies.getProductValue( counter ) ),
"Total Value of Inventory plus restocking fee", myOfficeSupplies.getProductValue( counter )+
myProduct.restockingFee( myOfficeSupplies.getProductValue( counter ) ) );
} // end method packageData
} //End Class Panelmultarnc wrote:
My instructor has not been very forthcoming with assistance to her students leaving us to figure it out on our own.Aren't they all the same! Makes one wonder why they are called instructors. <sarcasm/>
Of course it's highly likely that enough information was imparted for any sincere, reasonably intelligent student to actually figure it out, and learn the subject in the process.
And if everything were spoonfed, how would one grade the performance of the students? Have them recite from memory
public class HelloWorld left-brace
indent public static void main left-parenthesis String left-bracket right-bracket args right-parenthesis left-brace
And everywhere that Mary went
The lamb was sure to go
db -
Use of Return and Notify_url variables offered by PayPal
I have been integrating PayPal into my application (ASP NET MVC) where I made some analysis about PayPal (went through their documentation about the integration). Created a PayPal sandbox account and can transfer the amount.What I want to know is about the `return` and `notify_url` variables. I have enabled `auto return` in my account and also enabled `PDT`. My form variable is like this:<input type="hidden" name="notify_url" value="http://localhost:xxx/xx/Notify">
<input type="hidden" name="return" value="http://localhost:xx/xx/Return">As I have surfed in net, what they state about `Return` and `notify_url` is:> The "return" URL to which PayPal redirects buyers’ browser after they complete their payments. For example, specify a URL on your site that displays a “Thank you for your payment” page. Default is nothing is specified – PayPal redirects the browser to a PayPal webpage. Note, you must have "Auto Return" enabled in your Account Profile settings in order for this variable to work.
>PayPal returns data back to your site via what they call IPN. Its really just a callback to a URL you specify. You can set this URL via the variable `notify_url` you can send to PayPal.From the above quotes what I understand is that PayPal will post `IPN` variables to `notify action` once the payment done before auto redirecting to the page I set (I mean customer may go the application page or they may close the session).But only return action alone hitting not the `Notify_url`.Correct me if I misunderstood the concept and let me know if it was still Unclear.Yes, it's not present in the code I have posted but I have tried this as well.
It didn't work, as expected, because soap/axis is on top of http and not https and because my proxy uses http as well (or at least that's what I have learned so far).
In fact, I have tried all combinations between http.\*, https.\*, and Authenticator without success.
I think the problem is more soap/axis related. The solution for axis2 seems somewhat 'trivial' (and well explained over the web) while it's not for axis1.
Regards
Rob
Edited by: RobR on Nov 29, 2007 4:37 AM
Edited by: RobR on Nov 29, 2007 9:56 AM -
How to assign and display an attribute value from backing bean?
Hello all,
I am using Jdev 11g. I have a form page which has two inputText attributes The first one implements a valueChangeListener feature. When the user enters a value in the first field, a backing bean function will be invoked through the valueChangeListener . In this backing bean function, based on the value in the first field, I want to assign the value to the second field and display it on the page. Can somebody help me how to achieve this?
Thanks,
JohnHi John,
Here is small example.
Create two string variables in your backing bean and generate accessors for them.
private String text;
private String text1;
public void setText(String text) {
this.text = text;
public String getText() {
return text;
public void setText1(String text1) {
this.text1 = text1;
public String getText1() {
return text1;
}Bind this variables to the value property of the input texts you have. Add the valuechangedlistener for the first input text (and also set autosubmit to true for that item). Also, add the id of the first input text as partial triggers for the second input text. Like,
<af:inputText label="Label 1"
binding="#{backingBeanScope.backing_untitled1.it1}"
id="it1"
valueChangeListener="#{backingBeanScope.backing_untitled1.textValueChanged}" autoSubmit="true"
value="#{backingBeanScope.backing_untitled1.text}"/>
<af:inputText label="Label 2"
binding="#{backingBeanScope.backing_untitled1.it2}"
id="it2"
value="#{backingBeanScope.backing_untitled1.text1}"
partialTriggers="it1"/>Finally, put the logic on your value changed listener. Like,
public void textValueChanged(ValueChangeEvent vce){
this.setText1("Hi " + vce.getNewValue());
}Now, when you run the page and enter your name in the first input text, the second input text will display Hi <your_name>
HTH.
-Arun -
Getting file data and displaying it in a dynamic text box
The purpose of this function is to load and display a
specific menu for a restaurant (lunch, dinner, dessert, etc.)
This script is located inside of a movie clip that has the
text box and buttons.
There are 4 buttons that have event listeners that go to a
function that determines which button was pushed, and then sends a
call to loadMenu with a string that has the filename.txt.
In frame 1 of the movie clip, the variables used in the code
are declared as such:
var newMenuRequest:URLRequest = new URLRequest();
var newMenuLoad:URLLoader = new URLLoader();
var loadThisMenu:String = ""; //This is the variable the
buttonclick function alters and sets as the string to send to the
loadMenu.
My error is 1195: attempted access of inaccessible method url
with static type flash.net:URLRequest
Any ideas?quote:
Originally posted by:
GWD
newMenuRequest is an instance of a URLRequest.... and it
doesn't have a url method.
It has a url property.
I would be inclined to create a new URLRequest each time. But
perhaps that's not necessary.
Try changing
newMenuRequest.url(menuName);
to:
newMenuRequest.url=menuName;
see if that works.
Yeah I realize it's a little inefficient.
THANK YOU SO MUCH FOR THE SUGGESTION. works perfectly. -
Is it possible to import and display/plot (Google Earth) KVM files as overlays in Mac OS 10.9 Maps application?
Here is the particular application: (note I haven't gotten the code to compile yet -- seems to be several differently named environment variables in Mac unix than in Linux that are making the compile blow up -- but that's another issue) there is a freeware application that can do radio path loss prediction and plot path loss contours on a map. It has an option to output the data as KML files which can be imported into Google Earth, in order to display the path loss contours on Google Earth maps. I guess you could liken it to displaying overlays of GIS-like data in Google Earth. I would like to know if there is a mechanism to facilitate importing KML data files to overlay (preferably in a translucent fasion so that you could see the underlying map) onto Mac OS 10.9 Maps?varjak paw wrote:
They're also known to patent things they never release. So while it indicates that they're investigating such things, a patent application is no guarantee that anything will ever come of it, much less be immanent. And that application was filed in 2012 and is really for something rather different.
Regards.
As I stated, "possibly."
While the commerce side of it has little to do with the KML files, per se, the API for the layer data should allow for any type of overlay.
Also, the patent was filed Dec 19, 2013. There was a related patent filed in 2012. Not sure what it is about. -
How do I take a date string, add "X" days to it, and display a new date?
I have a date listed in a text string. I would like to convert it to a time stamp, and take a variable number of days, converted to seconds, added to the date, and displayed as a correct date. Example: 9/1/2011 adding 35 days is 10/6/2011. The trick seems to be getting it correct for every month and year combination. How can I accomplish this? I was thinking along the lines of time stamps, but any method that works consistently would be fine.
Thank you!
Solved!
Go to Solution.You are right, use timestamps, they will take care of the working out the correct date for you.
Interpret your string as a timestamp.
Add your offset (use a numeric add, and consider using units on your variable)
Reinterpret your datestamp as a string.
Thoric (CLA, CLED, CTD and LabVIEW Champion) -
Create a Link using Dynamic Text and Capture Variable
I am building a dynamic website using Dreamweaver CS5 with Coldfusion 9
Currently I have created a dynamic text table. The table is created by querying the Invoice table and displays the all the customers Invoices. The columns Include Invoice #, Date, Amount Paid, BalanceRemaining, Due Date. So basically lists all the invoices I have applied to the unique customer. It is pulled up using a session variable I created from the login page.
My question is this I want to make the "Invoice #" linked so when you click on it it goes to a new page and performs a new query which retrieves infro related to that specific invoice such as Services Rendered, Service Description, Date, Price, Total. I was able to create a link to the Invoice # but I am stuck trying to figure out how to capture the Unique Invoice # and apply it to the new query. Is this possible if so how?
Thanks for your help!Now keep in mind I am speaking strictly from a web and SQL standpoint as I have no experience with coldfusion.
If you are able to create the link to the Invoice, I am perceiving this as the following:
Invoice
Links to
#123
page.php?invoice=123
#345
page.php?invoice=345
If your page is setup like that then you already have the data stored in the browser request with the GET method. In PHP the equivalent is the $_GET array. I am assuming ColdFusion has a similar array to work with forms. Then on your following page you obviously need to check that the visitor came from the prior page with the proper permissions to ensure that someone doesn't get the address page.php?invoice=### and just guesses through and views all invoices if they are not supposed to. Then your query would look something like the following:
SELECT * FROM invoice_table WHERE invoice_number = $_GET['invoice']
Remember this in written in PHP so yours should be a similar equivalent.
Hopefully this helps a little to get you going in the right direction. -
How to retrieve data and display in JSP page
hi,
i am trying to retrieve data from SQL server 2000 and display in JSP Page. I have already place the codes of the retrieve in the bean file. I wanna ask is that how to display in the JSP page. If possible, can provide example codings for mi to reference?
Thanks
Regards,
shixuanHI Tan ,
I pressume that you wanted to make use of PDK, the code can go like this .
<b><u>1) JAVA file</u></b>
import com.sapportals.htmlb.DropdownListBox;
import com.sapportals.htmlb.InputField;
import com.sapportals.htmlb.event.Event;
import com.sapportals.htmlb.page.DynPage;
import com.sapportals.htmlb.page.PageException;
import com.sapportals.portal.htmlb.page.JSPDynPage;
import com.sapportals.portal.htmlb.page.PageProcessorComponent;
import com.sapportals.portal.prt.component.IPortalComponentRequest;
import com.sapportals.portal.prt.component.IPortalComponentSession;
import com.sapportals.portal.prt.component.IPortalComponentContext;
import java.sql.*;
public class P_SAP_B_User extends PageProcessorComponent
* Method : getPage()
* Description :
* Input Parameters : None
* Returns : Object of Class DynPage
public DynPage getPage()
return new P_SAP_B_UserDynPage();
} // end of dynPage()
public static class P_SAP_B_UserDynPage extends JSPDynPage
/* Variable Declaration */
/* Object of bean class P_SAP_B_CreateUser initialised to null */
private P_SAP_B_CreateUser createUserBean = null;
/* Flags for checking the occurance of Event & Error. */
private int iFlag=0;
private int iErrFlag=0;
/* Variables for storing the information
entered by user in each text field */
private String sFname;
private String sSname;
private String sAge;
private String sExp;
private String sSkill;
private String sUnit;
* Method : doInitialization()
* Description :
* Input Parameters : None
* Returns : None
public void doInitialization()
IPortalComponentSession componentSession = ((IPortalComponentRequest)getRequest()).getComponentSession();
Object o = componentSession.getValue("createUserBean");
if(o==null || !(o instanceof P_SAP_B_CreateUser))
createUserBean = new P_SAP_B_CreateUser();
componentSession.putValue("createUserBean",createUserBean);
} // end of if
else
createUserBean = (P_SAP_B_CreateUser) o;
} // end of else
}//end of doInitialisation()
* Method : onUpdate()
* Description :
* Input Parameters : object of Event class
* Returns : None
public void onUpdate(Event e)throws PageException
/* sets flag to 1 when update button is clicked. */
iFlag=1;
* Method : doProcessAfterInput()
* Description :
* Input Parameters : None
* Returns : None
public void doProcessAfterInput() throws PageException
InputField ifFirstName = (InputField) getComponentByName("FirstName");
InputField ifSecondName = (InputField) getComponentByName("SecondName");
InputField ifAge = (InputField) getComponentByName("Age");
InputField ifExp = (InputField) getComponentByName("Exp");
InputField ifSkill = (InputField) getComponentByName("Skill");
DropdownListBox dlbUnit = (DropdownListBox) getComponentByName("Unit");
int iAge,iExp;
IPortalComponentRequest request = (IPortalComponentRequest) this.getRequest();
IPortalComponentContext myContext = request.getComponentContext();
P_SAP_B_CreateUser myNameContainer = (P_SAP_B_CreateUser) myContext.getValue("createUserBean");
if(ifFirstName != null)
this.sFname = ifFirstName.getValueAsDataType().toString() ;
} // end of if
if(ifSecondName!= null)
this.sSname = ifSecondName.getValueAsDataType().toString() ;
} // end of if
if(ifAge!= null)
this.sAge = ifAge.getValueAsDataType().toString() ;
} // end of if
if(ifExp!= null)
this.sExp = ifExp.getValueAsDataType().toString() ;
} // end of if
if(ifSkill != null)
this.sSkill = ifSkill.getValueAsDataType().toString() ;
} // end of if
if(dlbUnit != null)
this.sUnit = dlbUnit.getSelection().toString() ; ;
} // end of if
/* Data Validation */
/* try block for numeric Exception */
try
/* checking for any field left blank by the user */
if(sFname.equals("") || sSname.equals("") || sAge.equals("")|| sExp.equals("") || sSkill.equals(""))
/* set error flag to 1 in case of any field left blank */
iErrFlag=1;
} // end of if
else
/* converting Age and Experience fields (String) to integer */
iAge= Integer.parseInt(sAge);
iExp= Integer.parseInt(sExp);
/* setting the boundaries on the value in Age Field */
if(iAge<0)
/* set error flag to 2 in case of age below 0 */
iErrFlag=2;
}// end of if
/* setting the boundaries on the value in Experience field */
else if(iExp<0 ||(iExp/12)>=iAge)
/* set error flag to 3 in case of experience below 0 or exceeding the age in years */
iErrFlag=3;
}// end of else if
/* In case of no error */
else
/* setting the bean variables */
try
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection con = DriverManager.getConnection("jdbc:odbc:Test");
String query="insert into UserData values(?,?,?,?,?,?)";
PreparedStatement prestat=con.prepareStatement(query);
/* setting the values to be inserted into the user table */
prestat.setString(1,sFname);
prestat.setString(2,sSname);
prestat.setString(3,sAge);
prestat.setString(4,sExp);
prestat.setString(5,sSkill );
prestat.setString(6,sUnit);
prestat.executeUpdate() ;
prestat.close();
con.close();
myNameContainer.setSFname(sFname);
myNameContainer.setSLname(sSname);
myNameContainer.setSAge(sAge);
myNameContainer.setSExp(sExp);
myNameContainer.setSSkill(sSkill);
myNameContainer.setSUnit(sUnit);
} // end of inner try block
catch(Exception sqle)
myNameContainer.setErrMessage("Update failed ! Please try again." );
} // end of catch corresponding to inner try
} // end of inner else
} //end of outer else
} //end of outer try block
catch(Exception e)
/* setting flag to 4 in case of non-numeric age/experience values */
iErrFlag = 4;
/* Displaying error message corresponding to the value of error flag */
switch(iErrFlag)
/* Empty Field */
case 1:myNameContainer.setErrMessage( "Please Fill all the fields");
break;
/* Invalid Value in the age field */
case 2:myNameContainer.setErrMessage( "Enter a valid value in Age field.(Hint : Have you entered Age<0 ?");
break;
/* Invalid Value in the experience field */
case 3:myNameContainer.setErrMessage( "Enter a valid value in Experience field.(Hint : Experince should not be negative or greater than your age in months)");
break;
/* Non-numeric value in the Age/ experience fields */
case 4:myNameContainer.setErrMessage( "Please Enter Numeric Value for Age and Experience");
break;
} // end of switch-case block
} //end of doProcessAfterInput()
* Method : doProcessBeforeOutput()
* Description :
* Input Parameters : None
* Returns : None
public void doProcessBeforeOutput() throws PageException
/* Displays Form for new user creation by default */
this.setJspName("P_SAP_B_UserCreationForm.jsp");
/* In case of an error display an error message page */
if(iErrFlag!=0)
setJspName("ErrorPage.jsp");
} //end of if
/* Displays the user's information as entered in the SQL
database after its been uploaded by the user */
else if(iFlag==1)
setJspName("hello.jsp");
} // end of else if
} // end of doProcessBeforeOutput()
} // end of P_SAP_B_UserDynPage Class
} // end of P_SAP_B_User class
* End of File P_SAP_B_User.java
2) Bean
package com.sap.usercreation;
import java.io.Serializable;
public class P_SAP_B_CreateUser implements Serializable
private String sFname;
private String sLname;
private String sUnit;
private String sSkill;
private String sExp;
private String sAge;
private String errMessage;
* @return
public String getSFname() {
return sFname;
* @return
public String getSLname() {
return sLname;
* @param i
* @param string
public void setSFname(String string) {
sFname = string;
* @param string
public void setSLname(String string) {
sLname = string;
* @return
public String getSUnit() {
return sUnit;
* @param string
public void setSUnit(String string) {
sUnit = string;
* @return
public String getSSkill() {
return sSkill;
public void setSSkill(String string) {
sSkill = string;
* @return
public String getSAge() {
return sAge;
* @return
public String getSExp() {
return sExp;
* @param string
public void setSAge(String string) {
sAge = string;
* @param string
public void setSExp(String string) {
sExp = string;
* @return
public String getErrMessage() {
return errMessage;
* @param string
public void setErrMessage(String string) {
errMessage = string;
3) The Jsp file i have already posted.
See if you copy this code and paste it wont work as i have not given you full code ,But yes this gives you an overview of how things can be done .
Thanx
Pankaj -
Hi all,
we have oracle EBS 12.1.1 installed on suse linux servers in our setup. one developer is using dev tools to have some graphs displayed while generating reports. all of a sudden we find that the graphs are not getting generated.
i am told that it is because of the DISPLAY variable in Linux. I am working as a Linux admin and I am not too sure how to set it.
i went to the company's data center to get to the console of the Linux box. I logged into the GUI and ran these commands
linux-43x3:~ # echo $DISPLAY
:0.0
linux-43x3:~ # export DISPLAY=:0.0
linux-43x3:~ # xhost +
access control disabled, clients can connect from any hostsince the display was showing :0.0, there sud not v been any issue in my opinion, but still i chose to run the export DISPLAY command.
still i find the graphs do not show up. should I run the command as root or should I run it as an apps user? and further if I log out of the GUI will the graphs still work?
i dont have much experience with oracle apps. please excuse me if this question is too sillyHi,
>but still i chose to run the export DISPLAY command.
No problem if you set DISPLAY:0.0 AGAIN
should I run the command as root or should I run it as an apps userRun as both users.
should I run the command as root or should I run it as an apps userIt'll work, Unless you reboot the whole machine.
Regards
Taher -
How to stop a process from running and display a message
I have a button that inserts data into a table based on bind variable selected on the page. I would like to add code to that button that will check to see if certain data already exists in the table, for that bind variable, and if that data already exists, stop the process and display a message that says "you have already inserted that information - bla bla bla". If not, continue inserting. What would be the best way to do this?
Currently, the button is a plsql that inserts the data.
Any help or examples would be greatly appreciated!
mholman
Edited by: user10488561 on Jul 27, 2009 8:48 AMUse a validation process for that. If the validation fails (data exists) the processes will not be run. If it doesn't then the processing will continue.
Denes Kubicek
http://deneskubicek.blogspot.com/
http://www.opal-consulting.de/training
http://apex.oracle.com/pls/otn/f?p=31517:1
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