How to check Field Value in Controller

Hi All,
I have a requirement to check if the field entered in invAmount is null or zero. The vo.getinvAmount() returns a Number.
How can I check it to see if it has a 0.00 ? My code is in Controller.
I tried some conversions using Number inv = (Number)vo.getInvAmount(); and doubleValue() methods
but no luck.
if (inv = 0)
but this gives errors.
Thanks
Shankar

Hi,
It works fine when I use the inv.compareTo(0) method but I get a NullPointerException at line evaluating the IF clause when I try the following code :
My controller code snippet is :
Number InvAmt = (Number)vo.getAttribute("FunctionalInvAmt");
MessageToken[] tokens = { new MessageToken("AMT", InvAmt)};
if ((!currencyCode.equals("EUR")) && ((InvAmt==null) | (InvAmt.intValue() == 0)))
throw new OAException("XX","XX_VALIDATE_FUNCTIONAL_AMT",tokens);
## Detail 0 ##
java.lang.NullPointerException
     at xx.oracle.apps.ap.xx.webui.XxCustomReviewCO.processFormRequest(XxCustomReviewCO.java:388)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:734)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:352)
     at oracle.apps.fnd.framework.webui.OAPageLayoutHelper.processFormRequest(OAPageLayoutHelper.java:943)
     at oracle.apps.fnd.framework.webui.beans.layout.OAPageLayoutBean.processFormRequest(OAPageLayoutBean.java:1546)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:929)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:895)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:751)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:352)
     at oracle.apps.fnd.framework.webui.beans.form.OAFormBean.processFormRequest(OAFormBean.java:373)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:929)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequestChildren(OAWebBeanHelper.java:895)
     at oracle.apps.fnd.framework.webui.OAWebBeanHelper.processFormRequest(OAWebBeanHelper.java:751)
     at oracle.apps.fnd.framework.webui.OAWebBeanContainerHelper.processFormRequest(OAWebBeanContainerHelper.java:352)
     at oracle.apps.fnd.framework.webui.beans.OABodyBean.processFormRequest(OABodyBean.java:340)
     at oracle.apps.fnd.framework.webui.OAPageBean.processFormRequest(OAPageBean.java:2392)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:1512)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:463)
     at oracle.apps.fnd.framework.webui.OAPageBean.preparePage(OAPageBean.java:384)
Any ideas why the (invAmt.intValue()==0) does not work ?
Thanks
Shankar

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These methods modify simple data (ints,Strings, CustomClasses) and swing components too.
Now when I get the object back I want to copy all of the fields values to the original JPanel except for those who represent swing components or the like.
I want to do this automatically by writing some few rows of code.
How can I do this using reflection ?
How can I filter the Fields objects that I get from jpanelInstance.getClass().getDeclaredFields(); ? Which metod should I use then to check if is a subclass of java.awt.Component ?
I've read about many things on using reflection to invoke methods, constructors and so on.
But how do I get the fields values as I get the fields objects ?
Thanks for the attention, hope what is written is clear enough,
Estades.

Are you targeting a "worst design award"? What kind of "processing" would take place on a UI component?
I am sure from what you write that you missed to seperate your model from your view. Read about MVC and retry designing your application.
Edited by: stefan.schulz on Sep 15, 2007 7:30 PM

How to display field values in long text of messages....

Hi,
Currently iam doing an userexit. In that i want to display error messages. and if we click on message it will display the long text. My question is i want to display field values in the long text. Under the long text's &system_response& i want to display a field value.
Regards
chinna

Hi Chinna,
Within short and long texts, you can use placeholders, which can be replaced with the content of data objects using the MESSAGE statement. A maximum of four character-type placeholders are permitted; they are indicated by #&i# in short texts, and by #&Vi&# in long texts, where i = [1, 4]. If #&# itself is to be displayed as part of the text, it must be specified as #&&# in short texts and as "&" in long texts.
To add some detail on how to create variables in Long text, you have to go to 'commands' and in symbol option provide the variables like
&V1& &V2& and so on.
Hope this helps you.
revert for further clarification.
Alwyas reward Points to useful suggestions.
Regards,
Vikas
Message was edited by:
Vikas Taneja

How to check 1000+ values comming as In parameter in plsql code.

Hi,
For a PLSQL procedure
I am geting in all 5 parameters from front end. One of which is a comma separated list of 1000+ values. Now I need to check these values to retrieve from the database.
eg. create procedure sp1(param1 date, param2 varchar2,param3.....,param5 varchar2)
as
begin
select col1,col2,col3 from tab1
where param1 = to_date(date)
and param2 = 'abcd'
and param5 = (list coming from front end)
How should I pass this list to param5 for selection criteria so that each time single value is retrieved and row is returned to the front end
Also How should I return this resultset to front end. Should I use OUT parameter as sysrefcursor?
it will really help me if I get any example on above problem.
Thanks in advance.
Edited by: 954825 on Aug 24, 2012 7:39 AM

Solomon Yakobson wrote:
Bad design. Fifth parameter should be collection. Anyway:
and ',' || list-coming-from-front-end || ',' like '%,' || param5 || ',%'SY.Unfortunatly there is a high chance that this fails because of the 4000 characters limitation in sql.
If there are truely 1000+ values. Lets assume 1100.
This means: 1100 characters just for the comma + at least 1100 characters for single char values.
Single chars of cause do not make sense. Most languages don't have so much different characters, this means the list would have repeating values.
If we assume that all values are different, this means we are speaking about a minimum of 3 chars.
Therefore 1100 + 3* 1100 = 4400 chars. SQL limit broken.
I think the only solid solution would be to build a collection/array/temp table structure and then work with that.

How to check the value of "The Interrupt Status Flag"?

Hi, thank you for reading this post!
Invoking Thread.interrupt() sets the value of the Interrupt Status Flag.
Just wondering if there is a Java method to check the value of this flag? Or is using isInterrupted() or interrupted() the only way to check?
http://download.oracle.com/javase/tutorial/essential/concurrency/interrupt.html
Thank you in advance for your help!
Eric

Below is the full code. As soon as the Thread.sleep() is taken out in main(), the interrupt is detected in the child thread. But if the sleep() stays, then the child thread goes into an infinite loop. It's not detected the interrupt.
//ParentInterruptChildThreadCatchedDemo.java
//Program function: This program demonstrates the parent thread (main()) interrupting a child thread (thread1).
//Threaded class
class TryThread extends Thread {
 //fields
 private String threadname;
 private long aWhile;
 //Constructor
 public TryThread(String tname, long delay) {
 threadname = tname;
 aWhile = delay;
 //run() method
 public void run() {
 while(!Thread.interrupted()) {
 //Do work
 try {
 System.out.println(Thread.currentThread().getName() + " was just interrupted!");
 throw new InterruptedException();
 } catch(InterruptedException e) {
 //System.exit(1);
 return;
public class ParentInterruptChildThreadCatchedDemo {
 public static void main(String[] args) {
 Thread thread1 = new TryThread("thread1", 2000L);
 thread1.start();
 try {
 System.out.println("main() goes to sleep for 10 second.");
 Thread.sleep(10000);
 System.out.println("Statement after main() sleep().");
 } catch(InterruptedException e) {
 e.printStackTrace();
 //Interrupt thread1
 int interruptFlag = 5;
 for(int i=0; i<11; i++) {
 if(i == interruptFlag) {
 System.out.println("Condition met, going to interrupt thread1 ...");
 thread1.interrupt();
 System.out.println("Thread1 interrupted!");
 System.out.println("Ending main()");
/*Output:
main() goes to sleep for 10 second.
Statement after main() sleep().
Condition met, going to interrupt thread1 ...
Thread1 interrupted!
Ending main()
INFINITION LOOP
*/

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