JNLP and JavaScript

Is it possible to call javascript functions within a jnlp? Or to call a method that is inside a JNLP from Javascript??

No, and no.
A JNLP file is an XML description of an application that is loaded by a JNLP client (in most cases: Java WebStart). JNLP does not include any scripting support (although of course JNLP files can be created using server-side scripting).

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How is the length of a string calculated in Java? and JavaScript?

Hi all,
Do any of you know how the length of a string is being calculated in Java and JavaScript? For example, a regular char is just counted as 1 char, but sometimes other chars such as CR, LF, and CR LF are counted as two. I know there are differences in the way Java and JavaScript calculate the length of a string, but I can't find any sort of "rules" on those anywhere online.
Thanks,
Yim

What's Unicode 4 got to do with it? 1 characteris 1
character is 1 character.
strings now contain (and Java chars also) is
UTF-16 code units rather than Unicode characters
or
code points. Unicode characters outside the BMPare
encoded in Java as two or more code units. So it would seem that in some cases, a single
"character" on the screen, will require two charsto
represent it.So... you're saying that String.length() doesn't
account for that? That sux. I don't know. I'm just making infrerences (==WAGs) based on what DrClap said.
I assume it would return the number of chars in the array, rather than the number of symbols (glyphs?) this translates into. But I might have it bass ackwards.

Closing the browser windows created by web.show_document and javascript

From Forms I am issuing a http request using web.show_document and javascript:window.open(). The http request makes a remote procedure call to a coldfusion component on a JRun appserver. I want this rpc to fire in the background so that the current forms browser window remains as is.
The logic is as follows
l_rpcURL := 'http://....just a standard URL.....'; -- edited for this thread
l_jsURL := 'javascript:window.open("' || l_rpcURL || '","","fullscreen=no,titlebar=no,location=no,toolbar=no,menubar=no,status=no,resizable=no");self.close();';
WEB.SHOW_DOCUMENT (l_jsURL,'_blank');
The http request works fine but leaves a browser window behind. It's the one created by the javascript.window.open(). If I remove the self.close() from the javascript then I have two browser windows open, one from web.show_document and the other, as described previously, from the window.open().
Any idea how I can force closure of the window opened by the window.open() ?
Thanks

Hi,
did this occured afer installing service pack 2?
A work around is The only solution that is to create a close.html file and calling this file in the code: Web.show_document('http://server:port/close.html','_self');
<html>
<body onload="closeit()">
<script>
window.close();
</script>
</body>
</html>
Monica

Using Quicken to manage a bank account, I get an error message from the bank that cookies and javascript must be enabled, but I don't get that message when I connect with Internet Explorer.

Firefox allows me to get the bank home page through Quicken. But when I try to login, the error message appears saying "cookies and javascript" must be enabled. I have Java on my system, but in Firefox under "tools/options/ I don't find any way to "enable" javascript. I have enabled "cookies".
I have no problem logging in at the bank site using Internet Explorer, but to use it, I have to designate it as the "default browser" before connecting through Quicken. I'd rather keep Firefox as the default.
A bank tech representative was unable to find any commands in Firefox that would deal with this problem, although she clearly had manuals for both Internet Explorer and Firefox. So she concluded that I would have to use Explorer for this operation, since it allowed control of security level settings. She said that in Explorer, security level should be set to medium.
Is there some similar control in Firefox?

Firefox uses the same "security level" setting that is set in IE.
Tools > Options > '''Content''' <br />
Is '''Enable Javascript''' check-marked?
http://kb.mozillazine.org/JavaScript_is_not_Java
If that doesn't solve your problem, do you have that problem when running in the Firefox SafeMode? <br />
[http://support.mozilla.com/en-US/kb/Safe+Mode] <br />
''Don't select anything right now, just use "Continue in SafeMode."''
If not, see this: <br />
[http://support.mozilla.com/en-US/kb/troubleshooting+extensions+and+themes]

Hi, We have an application built using HTMl 5 and Javascript running on IPad2, iOS5.1 Safari 5.1. When we try to download a file(.pvw file) in that application safari throws "Download failed" error. Please suggest what needs to be done.

Hi,
We have an application built using HTMl 5 and Javascript running on IPad2, iOS5.1 Safari 5.1.
When a file url is clicked instead of asking for Save or Open or Cancel options, the file gets opened on IPad by default.
Is this default behaviour which cannot be changed or can it be configured to ask user preference?
When we try to download a file(.pvw file -> a model file) in the above application, safari throws "Download failed" error.
Please suggest what needs to be done.
Regards,
Pramod

Safari on an iPad in general does not allow downloading of files. That's a safety precaution in the iOS SDK to keep unauthorized content off of iOS devices. Safari will open from the web site file types that it can handle, but direct downloading isn't normal behavior, and I don't believe the behavior can be changed, though you can try asking in the developer forum, either here or the one to which you have access as a member of Apple's iOS developer program.
Regards.

SSO and JavaScript

Hi all,
does any one of you know about any restriction or any other issue involving SSO and JavaScript?
We have a web app in an OC4J instance, which uses JSP and JavaScript.
When SSO is disabled for the application, everything goes well. But when SSO is active, the page loads a lot slower, and the IE browser always shows the error icon when any component tries to execute Javascript.
Any ideas about this issue?
Oracle AS 10g (9.4.1)
Win 2000 SP4
IE 6.0 SP1
Thanks a Lot in advance.
Have a nice day.
Jaime

It is simpler to do from server side as follows. Place below line
inside Page_Load event of any portal component:
Write(this.Request.Cookies.Get("MYSAPSSO2").Value);

Using CSS and Javascript to display a div with flash in it, mozilla reloads the flash file!

I am using CSS and Javascript to display a div with an
embedded flash object in it. Mozilla Firefox reloads the flash file
when the div is displayed! (I dont want this to happen, as it's
unexpected functionality, my expectation would be that the flash
file would not change it's state at all, and would remain in
whatever state it was left in.)
I was wondering if anyone has come across this issue and is
there something I can do to prevent this from occurring?
To be more specific, I have a single HTML page with 8 flash
files embedded in it (yeah I know, it's a bit much). I am then
using CSS and Javascript to display (via a numbered link (with an
id)) an equivalent numbered div tag containing the flash file.
Mozilla Firefox reloads the flash object that is in the div.
Internet Explorer will not do this and will instead, load the flash
object only upon initial view of the flash object. All subsequent
links (in IE) will NOT reload the flash object on the page. I'm
guessing this is some kind of difference in the flash player as an
Active X object and the plugin, or is it just IE being clever? Or
am I way off?
Anyway, here is the code...

I am using CSS and Javascript to display a div with an
embedded flash object in it. Mozilla Firefox reloads the flash file
when the div is displayed! (I dont want this to happen, as it's
unexpected functionality, my expectation would be that the flash
file would not change it's state at all, and would remain in
whatever state it was left in.)
I was wondering if anyone has come across this issue and is
there something I can do to prevent this from occurring?
To be more specific, I have a single HTML page with 8 flash
files embedded in it (yeah I know, it's a bit much). I am then
using CSS and Javascript to display (via a numbered link (with an
id)) an equivalent numbered div tag containing the flash file.
Mozilla Firefox reloads the flash object that is in the div.
Internet Explorer will not do this and will instead, load the flash
object only upon initial view of the flash object. All subsequent
links (in IE) will NOT reload the flash object on the page. I'm
guessing this is some kind of difference in the flash player as an
Active X object and the plugin, or is it just IE being clever? Or
am I way off?
Anyway, here is the code...

Safari not rendering CSS and javascript correctly

There seems to be a bug in Safari when dealing with CSS display property and javascript.
I've created a form that hides certain fields when the right circumstances are met, those fields become visible. However, when they become visible, through the use of javascript, they don't display in the flow of the document. For example:
[field 1]
[field 2]
[field 3]
Assume that [field 2] is hidden on initial page load. And when [field 1] is clicked, then [field 2] should appear and it should appear after [field 1]. Safari, however, displays [field 2] above [field 1] and strips it of any styles. I spent 2 hours trying to figure out what I was doing wrong, but it turns out I wasn't doing anything wrong. It's Safari that can't render this correctly because when I test it in Firefox it works fine. Just as I expected it to. I hope this gets fixed in the next update.
If anyone has any explanation or solutions or reasons for this peculiar anomaly please tell me.

If you have not done so already, make sure you also tell Apple by using the Bug Reporting item in the Safari menu.

HELP PLASE ! JavaBean and Javascript in frames :)

Hello,
First please excuse me for my bad english I'm French think you in advance for your patience and your help ! :)
To resum the problem :
I have 2 frames, a menu frame and a main frame
I use a javabean wich is saved in application variable.
When the pages of main frame use the javabean there is no probleme.
BUT when menu frame calls pages of main frame it don't restore the javabean, it looks like je page called by menu frame, which operates on the javabean, wasn't called, and the changes I do in this page aren't saved
Menu frame uses javascript to calls main frame pages so I think the problem is conjonction of frame and javascript.
But I have no choice because it's volonty of my boss, so please help me ! :)
More precisly :
the javabean : NavigationBean
page frame menu : menu_page.jsp
main pages which use javabean : pageA.jsp, pageB.jsp, pageC.jsp
pageA.jsp has reference on pageB.jsp which has reference on pageC.jsp
Traitement of the javabean NavigationBean in pageA.jsp, pageB.jsp and pageC.jsp :
<jsp:useBean      id="gestionNavigation"
          class= "NavigationBean"
          scope="application">
</jsp:useBean>
<jsp:setProperty      name="gestionNavigation"
               property="request"
               value="<%=request%>" />
(it needs response and request to run)
<jsp:setProperty      name="gestionNavigation"
               property="response"
               value="<%=response%>" />
<jsp:setProperty      name="gestionNavigation"
               property="pageActuelle"
               value="<%=urlActuelle%>" />
(it saves in NavigationBean object the url where user is)
In pageA I clean all NavigationBean so all pages saved are deleted
if user go DIRECTLY on pageA.jsp, all is ok :
user go on
     pageA -> pageB -> pageC
and NavigationBean save
     pageA -> pageB -> pageC
That's good ! :)
BUT if after user go on menu frame it's wrong !
user go on
     pageA -> pageB -> pageC -> menu_page.jsp -> pageA -> pageB
BUT NavigationBean save
     pageA -> pageB -> pageC -> pageB
instead of
     pageA -> pageB
To resume, for NavigationBean when user go directly on main pages there is no problem, but when it uses menu frame it doesn't save that user go on pageA
I clean NavigationBean on pageA, but instead of this problem it doesn't clean and retrieve old datas
It looks like that when user uses menu FRAME it uses an old NavigationBean object, but when it go directly on pages of main frame it runs !
And I use scope application so don't understand, I have tried session scope but no change :(
I have tried using "response.encondeURL" but no change
Think you in advance for your help, and good luck from Paris for all New York people ! :)
David

It sounds like what might be happening is when the user goes 'back' to the menu, they're not requesting the page from the server. So, they're either getting the old page cached by the browser. Maybe. If you reload the menu page manually, does it work?

Error using java and javascript

I have a jsp page that links to a bean and is working fine (getting data from the database).
On a html form I have a button with a picture that fires off javascript when clicked:
<BUTTON TYPE=reset onclick=showinfo('<%=index%>')>
<IMG SRC="http://localhost:8080/Portal/Images/q2.bmp" ALT="Info">
</BUTTON>
The javascript function just opens a new window and displays the text sent in:
<Script Language=JavaScript>
function showinfo(arrayindex)
InfoWin=window.open("","InfoWin","width=345,height=220");
InfoWin.document.write(arrayindex);
return false;
</Script>
Well in the above example index is a number (pulled from the database using a java bean and javascript converts it into a string then the function displays it correctly. If I replace <%=index%> with regular text it works fine as well(because java isn't used to pull data)! The problem occurs when I retrieve text data from the database and send it to the function. The web page gives errors about a nonterminating string. But I can move the code to somewhere else on the form(as long as I don't send it to java script) and it will print the text to the screen. I can also view the source of the web page and the html shows the text from the data base as if I hard coded the text into the javascript!!!!!!!!!!!!!!!!!
This must be a bug between java and javascript!
-can pass numbers(from a database) between the two
-can't pass text (from a database)between the two
Any info would help!

Found the problem myself!
I am using an odbc connection to msaccess and the spaces in the text was messing things up!
After taking out the spaces it worked again.

Item Renderers Preview and JavaScript Generator wizard

Hi all,
there are 2 feature I can't seem to get my hand on on the
latest Beta release of FB3 (Beta 3): Item Renderers Preview and
JavaScript Generator wizard.
Can anyone elaborate on how to get these started? how can I
check'em out? are they in the Beta 3 at all or are they supposed to
come out only in the final release. As far as now I wasn't able to
find any information on both on the web aside from what Matt Chotin
wrote on the "What's new" and on the FB3 Wiki.
cheers.

Hello Heike,
Well I have been working on this and wanted some more information regarding one of the possible issues.
As I have been telling you that I have dropdown boxes and based on the values that the user selects corresponding report should run.(I have eight drop down box and five push buttons)
Now I have made the selection in the drop down boxes "multiple".
I am generating the url for all the selected values. Like I have a drop down box whose value is 0SALES_OFF. if the user selects three options for this filter say "A", "B" and "C" and hits one of the push buttons , the query runs fine and filters the value. The only problem lies in the drop down box: it shows "A","B" and "C" as selected values in the drop down box, however this is just a display text and its value is"!unchanged". Now if the user wants to keep the same filter value the value that is being used for the selection is "!unchanged" instead of "A","B" and "C".
I think this code is generated by SAP.Can you give me some insight as to where should I make certain changes so that values persists?
Personally, I feel this is a more cumbersome method than using the standard navigation block..but still .I am client site...
Thanks and Regards
Pradeep Bhojak

What's the difference between java and Javascript?

I a new programer, I am getting Java down. Now I want to add some java scripts to my site. Is there any difference between java and Javascript? Can I use the Java API site refference and classes? Thanks..

Java is a programming language, Javascript is more for web pages. It is used to add interactivity to your web pages. 2 different languages.
check out www.java.sun.com for Sun Java stuff.
Lynn

Can the JNLP and the jarred application be on different servers

Can the JNLP and the jarred application be on different servers? If so, how would I alter my JNLP file to include the url of the second server?
The reason I ask this is that my app is being uploaded to a shopping cart, to be available for purchase. The problem is that this shopping cart allows ONLY one upload for each item that's available for purchase, and the vendor of my shopping cart say that for security reasons I cannot store files in other places on that server. The problem is that I need the JNLP and the JAR for download. I thought that the simplest solution is to put the JAR on a different server, and in the jnlp specify the URL of the jar. Is that possible? Or, do you see another solution?
I appreciate your help - I REALLY need to take care of this ASAP!
Here's my jnlp:
<?xml version="1.0" encoding="UTF-8"?>
<jnlp
spec="1.0+"
codebase="http://server_where_jnlp_is/subdir/"
href="myjnlp.jnlp">
<information>
<title>Title</title>
<vendor>vendor</vendor>
<homepage href="http://www.homepage.com" />
<description>bla bla bla</description>
<icon href="icon.gif"/>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.2+" />
<jar href="myapp.jar"/>
<nativelib href="libs.jar"/>
</resources>
<application-desc />
</jnlp>

I worked it out! What I did was I changed the jar href and the nativelib href to point to a different server
eg:
changed <jar href="myapp.jar"/>
to
<jar href="http://www.otherserver.com/myapp.jar"/>

Use of HTML and Javascript within EP

I have a newbie question:
I have several HTMl documents with javascript embedded like e.g. various calculators we use on the current website.
If I want to migrate these html sources to EP content, what can I best do than?
I assume that all existing html and javascript renders as normal without too many development involved?
Is there a good example how-To source which I can use to demonstrate this?
many thanks for your help

Hi,
Well there are two options:
<b>1) If you are interested to make the portal component and then use in Portal.
2) If you want to use your earlier HTML document as it is inside the portal.</b>
In case 1 you need to make the Portal objects and then make a portal project. You can use javascript in that as well.
In case 2 you can directly make the URL iView of the HTML document and then view it from the portal. Well this is not a good way of using your javascript. Personally I suggest you to go for Portal Project.
I hope this help you!!
Regards
Pravesh
PS: Please consider reewarding points.

Link in new tab opens blank and "javascript:subValue(1)" is seen in the address bar.

On a specific website, when I left click a link it opens but when trying to open the link in a new tab, the new tab opens blank and "javascript:subValue(1)" is seen in the address bar. This website hosts many, many images which I hope to download using a bulk image save addon but those images must first be in separate tabs. Opening these links in new tabs is vital to the process.

Certain Firefox problems can be solved by performing a ''Clean reinstall''. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:
'''Note:''' You might want to print these steps or view them in another browser.
#Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
#After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
#Delete the Firefox installation folder, which is located in one of these locations, by default:
#*'''Windows:'''
#**C:\Program Files\Mozilla Firefox
#**C:\Program Files (x86)\Mozilla Firefox
#*'''Mac:''' Delete Firefox from the Applications folder.
#*'''Linux:''' If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see [[Installing Firefox on Linux]]. If you downloaded and installed the binary package from the [http://www.mozilla.org/firefox#desktop Firefox download page], simply remove the folder ''firefox'' in your home directory.
#Now, go ahead and reinstall Firefox:
##Double-click the downloaded installation file and go through the steps of the installation wizard.
##Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.
Please report back to see if this helped you!

JNLP and JavaScript

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