Accessing APP_USER and APP_SESSION via javascript
G'day All,
I've tried a couple of ways based on results from google this forum to access APP_USER and APP_SESSION with in javascript.
The answer must not be to just pass it in as a parameter as I'm overriding "showHide" function for the the "Show Hide region" to record if the region was shown or not so that when the page is refreshed the regions will open automatically.
I've tried to just simply try for example: alert('app_user: #APP_USER# app_session: #APP_SESSION#') but it does not work they way I ant it :(
Can any one help please.
Regards
Mark
Hello,
You should take a look at this
http://www.oracle.com/technology/products/database/application_express/packaged_apps/packaged_apps.html#STICKY
It is example code of doing exactly that. At the moment it is per session but it should be pretty easy to extend to save that into a user table. You won't need to access those variables on the client side but can do it in the OnDemand Process.
Carl
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Access file applet function via javascript
hi all
when i want to have access to the method (which in fact read a file) of my applet class via javascript, a java error is raised: access denied
BUT i have signed the related jar!
when i want to access the method (which in fact read a file) of my applet class via the normal way (put a button into a frame and....) it works.
are there more configurations to do or ....?
Kind Regard Tom
here is the code
HTML file
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="fr" lang="fr">
<head>
<link type="text/css" rel="stylesheet" href="/css/style.css">
<script type="text/javascript">
function xclick() {
alert( document.getElementById('applet').isFileOk());
document.getElementById('fichier').value = document.getElementById('applet').isFileOk();
//alert(document.portal.applet.isFileOk(path));
function checkfile() {
//var fichiercacher = document.portal.fichier.value;
var fichiercacher = document.getElementById("fichier").value;
document.getElementById("fichiercacher").value = fichiercacher;
document.getElementById("fichiercacher").value = fichiercacher;
document.getElementById("chemin").value = fichiercacher;
alert("fichier cacher" + fichiercacher);
alert("chemin=" + document.getElementById("chemin").value);
</script>
</head>
<body >
<form name="portal" method="post" action="" >
<p align="center" id="corps">
<img border="0" src="ilias.bmp"><br>
<applet id="applet2" code="NumberOfLine.class" archive="NumberOfLine.jar" width="150" height="109" >
<param name="maxLines" value="50" />
<param id="chemin" name="fichierparam" value="" />
</applet>
<applet id="applet" code="localfile.class" archive="localfile.jar" width="150" height="109" >
<param name="maxLines" value="50" />
<param id="chemin" name="fichierparam" value="" />
</applet>
<br>
<div id="divloading" ></div>
<input type="hidden" name="fichiercacher" />
<input type="file" name="fichier" onchange="checkfile()">
<input type="button" value="click me" onClick=xclick() ; />
</p>
</form>
</body>
</html>
Class NumberOfLine javascript way
import java.applet.Applet;
import java.awt.Button;
import java.awt.Label;
import java.io.*;
public class NumberOfLine extends Applet {
private boolean fileok = false;
Label message = new Label("MAX line = 40 ");
Button btnok = new Button("check file");
int maxline = 40;
public void init() {
String sMaxLines = getParameter("maxLines");
if ( sMaxLines != null ){
this.maxline = Integer.parseInt(sMaxLines);
System.out.println(this.maxline);
public String isFileOk(String chemin) {
File ffile = new File( chemin);
try{
FileReader fr = new FileReader(ffile);
LineNumberReader ln = new LineNumberReader(fr);
int count = 0;
while (ln.readLine() != null) {
count++;
System.out.println("Total line no: " + count);
ln.close();
fileok = (count <= maxline);
catch(IOException e){
e.printStackTrace();
System.out.println(e.toString());
return fileok ? "ok" : "nok";
CLass localfile Normal way
import java.applet.*;
import java.awt.*;
import java.util.*;
import java.lang.*;
import java.text.*;
import java.awt.event.*;
import java.io.*;
public class localfile extends Applet {
public localfile() {
Panel p = new Panel();
Font f;
String osname = System.getProperty("os.name","");
if (!osname.startsWith("Windows")) {
f = new Font("Arial",Font.BOLD,10);
} else {
f = new Font("Verdana",Font.BOLD,12);
p.setFont(f);
p.add(new Button("Open"));
p.add(new Button("other"));
p.setBackground(new Color(255, 255, 255));
p.setSize(800, 800);
add(p);
setSize(800, 800);
setVisible(true);
public String isFileOk(){
System.out.println("OPEN CLICKED");
int arrlen = 10000;
byte[] infile = new byte[arrlen];
Frame parent = new Frame();
FileDialog fd = new FileDialog(parent, "Please choose a file:",
FileDialog.LOAD);
fd.show();
String selectedItem = fd.getFile();
if (selectedItem == null) {
// no file selected
} else {
if ((fd.getFile()).endsWith("txt") || (fd.getFile()).endsWith("text")){
File ffile = new File( fd.getDirectory() + File.separator +
fd.getFile());
// read the file
System.out.println("reading file " + fd.getDirectory() +
File.separator + fd.getFile() );
try {
FileInputStream fis = new FileInputStream(ffile);
BufferedInputStream bis = new BufferedInputStream(fis);
DataInputStream dis = new DataInputStream(bis);
try {
int filelength = dis.read(infile);
String filestring = new String(infile, 0,
filelength);
System.out.println("FILE LENGTH=" + filelength);
System.out.println("FILE CONTENT=" + filestring);
} catch(IOException iox) {
System.out.println("File read error...");
iox.printStackTrace();
} catch (FileNotFoundException fnf) {
System.out.println("File not found...");
fnf.printStackTrace();
} else {System.out.println("Error this is not a txt file"); }
return "turc";
public boolean action(Event evt, Object arg) {
if (arg.equals("Open")) {
System.out.println("OPEN CLICKED");
int arrlen = 10000;
byte[] infile = new byte[arrlen];
Frame parent = new Frame();
FileDialog fd = new FileDialog(parent, "Please choose a file:",
FileDialog.LOAD);
fd.show();
String selectedItem = fd.getFile();
if (selectedItem == null) {
// no file selected
} else {
if ((fd.getFile()).endsWith("txt") || (fd.getFile()).endsWith("text")){
File ffile = new File( fd.getDirectory() + File.separator +
fd.getFile());
// read the file
System.out.println("reading file " + fd.getDirectory() +
File.separator + fd.getFile() );
try {
FileInputStream fis = new FileInputStream(ffile);
BufferedInputStream bis = new BufferedInputStream(fis);
DataInputStream dis = new DataInputStream(bis);
try {
int filelength = dis.read(infile);
String filestring = new String(infile, 0,
filelength);
System.out.println("FILE LENGTH=" + filelength);
System.out.println("FILE CONTENT=" + filestring);
} catch(IOException iox) {
System.out.println("File read error...");
iox.printStackTrace();
} catch (FileNotFoundException fnf) {
System.out.println("File not found...");
fnf.printStackTrace();
} else {System.out.println("Error this is not a txt file"); }
} else return false;
return true;
}Thx you were a great due to my big lak of java skills.
i found the solutions and for those who are interrested here is the code:
public String isFileOk(final String filepath){
System.out.println("OPEN file=" + filepath);
int arrlen = 10000;
byte[] infile = new byte[arrlen];
try {
FileInputStream fis = (FileInputStream) AccessController.doPrivileged(
new PrivilegedExceptionAction() {
public Object run() throws FileNotFoundException {
return new FileInputStream(filepath);
BufferedInputStream bis = new BufferedInputStream(fis);
DataInputStream dis = new DataInputStream(bis);
try {
int filelength = dis.read(infile);
String filestring = new String(infile, 0,
filelength);
System.out.println("FILE LENGTH=" + filelength);
System.out.println("FILE CONTENT=" + filestring);
} catch(IOException iox) {
System.out.println("File read error...");
iox.printStackTrace();
} finally {
try {
fis.close();
} catch(IOException ioe) {
//oops
} catch (PrivilegedActionException e) {
// e.getException() should be an instance of FileNotFoundException,
// as only "checked" exceptions will be "wrapped" in a
// PrivilegedActionException.
//throw (FileNotFoundException) e.getException();
e.printStackTrace();
return "nok";
return "ok";
} -
Unable to access gateway and DNS via VPN (L2TP) with Snow Leopard Server
Summary:
After rebooting my VPN server, i am able to establish a VPN (L2TP) connection from outside my private network. I am able to connect (ping, SSH, …) the gateway only until the first client disconnects. Then i can perfectly access all the other computers of the private network, but i cannot access the private IP address of the gateway.
Additionally, during my first VPN connection, my DNS server, which is on the same server, is not working properly with VPN. I can access it with the public IP address of my gateway. I can access it from inside my private network. A port scan indicates me that the port 53 is open, but a dig returns me a timeout.
Configuration:
Cluster of 19 Xserve3.1 - Snow Leopard Server 10.6.2
Private network 192.168.1.0/255.255.255.0 -> domain name: cluster
-> 1 controller, which act as a gateway for the cluster private network, with the following services activated:
DHCP, DNS, firewall (allowing all incoming traffic for each groups for test purposes), NAT, VPN, OpenDirectory, web, software update, AFP, NFS and Xgrid controller.
en0: fixed public IP address -> controller.example.com
en1: 192.168.1.254 -> controller.cluster
-> 18 agents with AFP and Xgrid agent activated:
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VPN (L2TP) server distributes IP addresses between 192.168.1.201 and 192.168.1.210 (-> vpn1.cluster to vpn10.cluster). Client informations contain the private network DNS server informations (192.168.1.254, search domain: cluster).
_*Detailed problem description:*_
After rebooting the Xserve, my VPN server works fine except for the DNS. My client receives the correct informations:
Configure IPv4: Using PPP
IPv4 address: 192.168.1.201
Subnet Mask:
Router: 192.168.1.254
DNS: 192.168.1.254
Search domain: cluster
From my VPN client, i can ping all the Xserve of my cluster (192.168.1.1 to 18 and 192.168.1.254). If i have a look in Server Admin > Settings > Network, i have three interfaces listed: en0, en1 and ppp0 of family IPv4 with address 192.168.1.254 and DNS name controller.cluster.
The DNS server returns me timeouts when i try to do a dig from my VPN client even if i am able to access it directly from a computer inside or outside my private network.
After i disconnect, i can see in Server Admin that the IP address of my ppp0 interface has switch to my public IP address.
Then i can always establish a VPN (L2TP) connection, but the client receives the following informations:
Configure IPv4: Using PPP
IPv4 address: 192.168.1.202
Subnet Mask:
Router: (Public IP address of my VPN server)
DNS: 192.168.1.254
Search domain: cluster
From my VPN client, i can access all the other computers of my network (192.168.1.1 to 192.168.1.18) but when i ping my gateway (192.168.1.254), it returns me timeouts.
I have two "lazy" solutions to this problem: 1) Configure VPN and DNS servers on two differents Xserve, 2) Put the public IP address of my gateway as DNS server address, but none of these solutions are acceptable for me…
Any help is welcome!!!I would suggest taking a look at:
server admin:vpn:settings:client information:network route definitions.
as I understand your setup it should be something like
192.168.1.0 255.255.255.0 private.
at least as a start. I just got done troubleshooting a similar issue but via two subnets:
http://discussions.apple.com/thread.jspa?threadID=2292827&tstart=0 -
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http://support.apple.com/kb/ts4002
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