Uix-xml translated in java

Hi everyone,
I am having a little problem to code uix-xml in normal javacodes. I can built a normal tree with javacode and render it in a jsp file. Now I am trying to translate this:
<ui:cellFormat>
<ui:contents>
<ui:include ctrl:node="defaultLayout" /> (defaultLayout is another uix file)
</ui:contents>
</ui:cellFormat>
According to the tutorial and the javadocs, this should work:
cellNode.setIndexedNodeList( new IncludeUINodeList() );
IncludeBean include = new IncludeBean ();
cellNode.addIndexedChild (include);
But the includeBean still doesn't know that he should include "defaultLayout". Can someone please tell me how I can tell the includeBean, what to include? I really need a simple and precise example, please.....
thx.
John

Try calling IncludeBean.setNode() to set the UINode to be "included".

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(UIX XML) Sharing Connection objects between BC4J and custom java.

If I have a UIX XML page that contains some BC4J application modules, then in the event handler I call [public static EventResult handleMyEventEvent (BajaContext context, Page page, PageEvent event..) ], which in turn calls some java classes I have written that take a java.sql.Connection object and access the database doing some updates/inserts with this Connection object (via JDBC)....HOW CAN I USE THE SAME TRANSACTION AS WAS USED IN THE BC4J APPLICATION MODULE...i.e. CAN I SHARE THE CONNECTION OBJECT BETWEEN BC4J AND MY OWN JAVA CLASSES THAT USE JDBC?
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Hello everyone,
I'm fairly new to UIX-XML and I have several questions about it.
First:
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First:
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We found the element of the UIX page that causes the problem:
<bc4j:viewObjectScope name="ElementsView" >
<contents>
     <bc4j:rowScope name="NewElement" >
     <contents>
          <bc4j:region automatic="false" >
               <bc4j:key>
                    <bc4j:rowKey name="keyElement"/>
               </bc4j:key>
               <contents>
                    <bc4j:attrScope name="FlgState">
                    <contents>
                         <messageChoice name="FlgState" prompt="State" >
                              <boundAttribute name="selectedValue">
                                   <concat>
                                        <bc4j:attrProperty name="value"/>
                                        <fixed text=""/>
                                   </concat>
                              </boundAttribute>
                              <contents>
                                   
                                   <bc4j:viewObjectScope name="DecodeStateView" >
                                   <contents data:childData="list@DecodeState">
                                        <option data:value="StateCode"
                                             data:text="StateDescription"/>
                                   </contents>
                                   </bc4j:viewObjectScope>
                              </contents>
                         </messageChoice>
                    </contents>
                    </bc4j:attrScope>
               </contents>
          </bc4j:region>
     </contents>
     </bc4j:rowScope>
</contents>
</bc4j:viewObjectScope>
This usage of nested view object scopes has been explained in reply of a previous post, How to databind the children of a UIX XML choice, and before ours attempts to modify the tree it worked fine. Removing the nested view object scope the page makes the page render correctly, but we need it to retrieve the description of its state.
We get the same behaviour (and a much similar stack trace, with the same oracle.cabo.ui.data.DataObjectList oracle.cabo.ui.collection.DataObjectListNodeList.getDataObjectList (oracle.cabo.ui.RenderingContext) throwing a NullPointerException) if we use NodeUtils.createPreorderDescendentAttributeEnumeration method instead of PathUtils.

It's a bug in the DataObjectListNodeList class that's up at the top of
the stack. It's been fixed for 9.0.3. The bit of XML that's triggering
it isn't the <viewObjectScope>s, but the "data:childData".
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findPathWithNodeID(). Now, you don't have a real RenderingContext, and we
don't especially need one - "null" is legit here, but I think if
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get around this bug.

Jdev Team - Frustrated with Simple UIX-XML test case

Why can't I get a simple UIX-XML test case to run? Better still why can't I get a response as to why it won't run? This is my second attempt at a post as the other was just left hanging. Iwas asked for more info, I provided it and that ended that.
Again, I created a workspace. Used the scott schema and created a project with a set of VO's (and took the ALL defaults). I have created a UIX-JSP and BC4J-JSP projects that both run fine (taking all the defaults). In that same workspace without any modifications to the VO's I created a UIX-XML project. The main menu runs fine. None of the forms will run. I get the following error if I choose ANY form from the menu or I get the same error if I just run any form from Jdeveloper (except main.uix of course):
Servlet error: Renderer failed: java.lang.ArrayIndexOutOfBoundsException: -10
What is happening? Why cant I get this to run. Is this a failed technology? I can't seem to find any working UIX samples.
TIA,
Ed.
PS. A footnote: * It seems if you don't get an answer from the Jdev team inside of two days your post is toast (unless it's a rant in which case everyone seems to jump on the band wagon). :-) :-) :-) ;-)

Hmmmmm...... did I mention I was on Internet Explorer 6.0.2600.0000 ? Probably does not matter.
Also, although I loaded the full 9i Developer suite, I also loaded (in a seperate directory), Sun's J2DKSE 1.3.1_03 and J2DKEE 1.3.1 and have the following local environment variables set:
JAVA_HOME = d:\java\j2sdk
JDK_HOME = d:\java\j2sdk
J2EE_HOME = d:\java\j2sdkee
JDEV_HOME = d:\oracle\9iDS\jdev
Are any of these redundant or are they clobbering something for UIX-XML?
TIA,
Ed.

Sample UIX XML requested for standard functionality

I am learning UIX XML.
Using scott's emp and dept tables, I have used the wizards to generate a UIX XML application using BC4J.
I would like to enhance the generated UIX XML.
For example...
1. The UIX XML pages that allow inserts/updates to the EMP view object. I would like to have a LOV on the dept_no field so user can use this. Typically any foreign key field to have a LOV with a lookup on the master table.
2. Also I am having some difficulty with radio groups, list items etc that are based on hardcoded values or data in the database. Have you any complete example code. The on-line documentation shows examples but not the whole code working together. Have you got a complete sample app that shows these features?
3. Have you any UIX XML examples that use FORMS containing text input items, lists, radio groups etc that ARE NOT based on BC4J...then have the event logic access BC4J and do the inserts/updates.
Thanks,
Paul.

Paul,
Like you I have been learing using the scott schema.
I too have struggled with this LOV issue in UIX-XML and UIX-JSP and BC4J-JSP. UIX-JSP can allow for a drop down list based upon custom properties in the VO and a "custom" Java class. The HOW-TO Page has an excellent example that when followed (with some tweaks to get what I wanted) the drop down list worked. I know it's not an LOV (like in Forms) but for small FK lookups drop down lists seem to be the requests of most users. But these drop down lists will not happen in UIX-XML or BC4J-JSP. Seems aierd to me but hey, I'm just learning too.
My point is that I too have asked question after question on this forum about UIX-XML or about implementing fearures of UIX-XML in other frameworks (like coulmn sorting) and have gotten zero helpful repsonses. There were some comments about how 9.0.3 would soleve some of these issues, but no one seems to be able to explain a way to show a "broken" example so that I will be elated when 9.0.3 comes out and works.
If you get an answer or some helpful pointers pelase forward them to me at [email protected]
And I apologize for making your heart get all a flutter when you saw the reply count grow by "1" only to find that it's just another loser who can't make the simple things in this IDE work.
Ed.

HTML Rendering works on UIX-JSP but not UIX-XML or BC4J-JSP

I built a "custom" renderer following the HOW TO document for HTML rendering. I made a "Drop Down" list that works in a test UIX-JSP application. When I try to attach the DynamicListInputField class to a project created under UIX-XML or BC4-JSP the rendereing does not take affect. No errors, the application runs fine, just no rendereing.
I made all three projects from the same VO's and the same DynamicListInputField.java. The three projects were Wizard Based and created with:
"Business Componets UIX XML Application" from the UIX XML Category
"Business Componets JSP Application" from the UIX JSP Category
"Business Componets JSP Application" from the BC4J JSP Category
What is wrong?
TIA,
Ed.

What error you are getting...please provide error details.
It is working fine for me.
Rgds
Bala Murali

UIX XML test did not work

I created a sample project based on the Scott Schema for BC4J Business Objects.
I then created sample projects for:
BC4J JSP
UIX JSP
UIX XML
When I run the BC4J LSP and UIX JSP projects the main menus open and I can browse, edit and update all of the scott tables.
However when I run the UIX XML project, the main menu comes up but if I select ANY view to work with I get the following error.
Servlet error: Renderer failed: java.lang.ArrayIndexOutOfBoundsException: -10
What coulbe wrong?

To confirm, you say that the files generated okay, and you were able
to run Main.uix and see it in your browser correctly, but clicking on the
link to the view object generated a Renderer failed exception in the browser.
Is this correct?
What customizations have you made to your View object (or is it simply
as the wizard generated it)? Can you look at the log window in jdev
(or your OC4J servlet log) to see if there is additional debugging
information available? Yes the files generated and compiled ok. I can see the main menu in my browser.
The UIX-XML project was created using the wizard generated VO's. No customizations were made at all.
The Embedded OC4J Server messages window in Jdev shows no errors. The Messages window shows no errors.
FYI, this is on an NT machine that has the full install of Jdeveloper9iDS (Jdev, Forms 9i, Designer, SCM etc.) not just Jdev9i. I'd hope this does not matter but thought I'd mention it. No other Jdev windows (Forms 9i etc.) are up when I run this test.
TIA,
Ed.

UIX XML - BC4J +

We are implementing a functionality to insert new elements using BC4J components and UIX XML.
We have carefully followed istruction from the UIX developer's guide (Business Components for Java Integration) but we notice some problems
that we suppose are due to RowDefs with autocreate=true and the KEY attribute management flow.
The components implemented have:
1) A create method implemented for setting entity primary key using a DB sequence and other default values:
     protected void create(AttributeList attributeList) {
          super.create(attributeList);
          SequenceImpl seq = new SequenceImpl("VA_TIPO_PUNTEGGIO_SEQ", getDBTransaction());
          setAttribute("IdTipoPunteggio", seq.getSequenceNumber());
          setDataAgg(new Date( new Timestamp(System.currentTimeMillis())));
2) A validation rule that checks for duplicate description using a ListCompare:
<ListValidationBean
OnAttribute="TitTipoPunteggio"
OperandType="SQL"
Inverse="true"
ListValue="select tit_tipo_punteggio from va_tipo_punteggio where id_tipo_punteggio <> %IdTipoPunteggio%" >
</ListValidationBean>
Our problems are:
1) The ID taken from a DB Sequence are increased by 2 (this doesn't occur using test on application module), and we suppose that it happens because row isn't
found using the correct KEY property.
2) When the validation's rule is triggered, row data aren't reloaded
UIX code for apply event is:
<event name="saveEvent" >
     <bc4j:findRootAppModule name="TipoPunteggioViewAppModule" >
          <bc4j:findViewObject name="TipoPunteggioView" >
               <bc4j:findRow name="newRow">
                    <bc4j:setPageProperty name="key" >
                         <bc4j:stringKey />
                    </bc4j:setPageProperty>
                    <bc4j:setAttribute name="IdTipoPunteggio" />
                    <bc4j:setAttribute name="TitTipoPunteggio" />
                    <bc4j:setAttribute name="FlgObsoleto" />
                    <bc4j:insertRow/>
                    <bc4j:commit/>
                    <bc4j:executeQuery/>
                    <ctrl:go redirect="true" name="Anagrafiche_TipiPunteggio"/>
               </bc4j:findRow>
          </bc4j:findViewObject>
     </bc4j:findRootAppModule>
</event>
However we have doubts on the code flow because we suppose the following istruction are missing before the findRow tag:
<bc4j:setPageProperty name="keyTipoPunteggio" >
     <bc4j:parameter name="keyTipoPunteggio"/>
</bc4j:setPageProperty>
otherwise what is the reason of the keyStamp tag declared on the region?
Moreover we don't understand the purpose of these instructions:
<bc4j:setPageProperty name="keyTipoPunteggio" >
     <bc4j:stringKey />
</bc4j:setPageProperty>
because when validation on the row occurs, data of the rejected row are not reloaded.
Perhaps would be useful an HowTo or a detailed explanation of interaction between registryDefs and event handler tags.
TIA

Our problems are:
1) The ID taken from a DB Sequence are increased by 2 (this doesn't occur using test on application module), and we suppose that it happens because row isn't found using the correct KEY property.This is correct.
2) When the validation's rule is triggered, row data aren't reloaded
UIX code for apply event is: <snip>
Replace it with this:
<event name="saveEvent" >
<bc4j:findRootAppModule name="TipoPunteggioViewAppModule" >
<bc4j:findViewObject name="TipoPunteggioView" >
<bc4j:setPageProperty name="key" >
<bc4j:parameter name="key" />
</bc4j:setPageProperty>
<bc4j:findRow name="newRow">
<bc4j:setAttribute name="IdTipoPunteggio" />
<bc4j:setAttribute name="TitTipoPunteggio" />
<bc4j:setAttribute name="FlgObsoleto" />
<bc4j:insertRow/>
<bc4j:setPageProperty name="key" >
<bc4j:stringKey />
</bc4j:setPageProperty>
<bc4j:commit/>
<bc4j:executeQuery/>
<ctrl:go redirect="true" name="Anagrafiche_TipiPunteggio"/>
</bc4j:findRow>
</bc4j:findViewObject>
</bc4j:findRootAppModule>
</event>
The main issue is that the string representation of the key changes when the row is inserted into the view object. It is a "short" key before insert and a "long" key after insert. Also, "short" keys cannot be found by ViewObject APIs to locate rows when the key is still "short".
Here is the flow:
1. Create page is rendered, auto-creating a new row with "short" key.
2. In apply event handler, we must set the page property based on the submitted key
to find the same row. Unfortunately, the "short" key does not find the old row, so
we end up creating a new one for this request (incrementing the sequence).
3. We may get as far as inserting the new row, upgrading to a "long" key.
4. So we update the page property after a successful insert to the new "long" key.
5. We rerender the page and use the page property to find the row, most likely the "long" key.
[Note: if an exception occurred during set attribute, before insert row, the key will still
          be "short"]
6. Once we get as far as attempting insertRow, the key will become "long" and locatable by
ViewObject APIs.
You don't encounter this problem in the tester because it can keep an in-memory handle to the row it
is trying to insert for the duration of the insert attempt.
The web-based UI relies on key-based references instead, which have the issue outlined above.
We will follow up on this to see if "short" keys can be located by ViewObject APIs in future, allowing
the same reference to be found across requests.
Regards,
John Fallows.

How can I render an active link (yrl) within a UIX/XML page

How can I render an active link (url) within a UIX/XML page.
How can I get <jbo:ShowValue> to work in UIX/XML, or is there another way?
Bill G...

It may seem strange, but the <contents> of <rawText> aren't actually
raw - it's only the "text" attribute that's raw. (It seems strange because
it is. Ah well.) This is different from UIX JSP.
So, try something like the following:
<bc4j:attrScope name="Notes">
<contents>
<rawText text="<a href=""/>
<rawText>
<boundAttribute name="text">
<bc4j:attrProperty name="value"/>
</boundAttribute>
</rawText text="">"/>
Some text in the link.
<rawText text="</a>"/>
</contents>
<bc4j:attrScope>
Thankfully, this will be much simpler in 9.0.3, when the following
will work:
<link text="Whatever you want">
<boundAttribute name="destination">
<bc4j:attrValue name="Notes"/>
</boundAttribute>
</link>

Generation of xml file from java code

hi,
I want to manipulate data in a xml file with java code.I have read data from xml file and also changed it. But i am unable to covert it again in xml file from java code. Can you please tell me how i can do this?

Let me know which parser are you using currently for reading xml files so that i assist you. For now, you can refer to STAX Parser API under this link
http://java.sun.com/webservices/docs/1.6/tutorial/doc/SJSXP3.html

How to read the data from Excel file and Store in XML file using java

Hi All,
I got a problem with Excel file.
My problem is how to read the data from Excel file and Store in XML file using java excel api.
For getting the data from Excel file what are all the steps i need to follow to get the correct result.
Any body can send me the code (with java code ,Excel sheet) to this mail id : [email protected]
Thanks & Regards,
Sreenu,
[email protected],
india,

If you want someone to do your work, please have the courtesy to provide payment.
http://www.rentacoder.com

ANN: Oracle XML Parser for Java v2.0.0.1

A new maintenance release of the Oracle Parser for Java is
available for download. It has the following fixes and changes:
Bug fixes for #920536, i.e. Cannot access element attributes via
XSLT; #898423. i.e. ElementDecl's in DTDs; #774774, i.e. DOM
extensions using XSL pattern matching; #863890 i.e. SAX
IOException not thrown.
New APIs in the following new interface:
1. oracle.xml.parser.v2.NSResolver
- resolveNamespacePrefix( find the namespace definition in scope
for a given namespace prefix )
New APIs in the following classes:
1. oracle.xml.parser.v2.XMLNode
- selectNodes( Selects nodes from the tree which match the given
pattern; client can provide an NSResolver implementation to
resolve namespace prefixes in the pattern ).
2. oracle.xml.parser.v2.ElementDecl
- getParseTree( Returns the root Node of Content Model parse
tree, which could then be traversed node by node using
getFirstChild() and getLastChild(). The Node types are: PLUS,
COMMA, ASTERISK, ELEMENT, QMARK ).
This is the first beta patch release for v2.
Oracle XML Team
http://technet.oracle.com
Oracle Technology Network
null

unzip -l appsborg2.zip | grep 9.0.4
0 04-18-03 20:10 .xdkjava_version_9.0.4.0.0_production
do i still need to do that step?No, you do not have to since "XML Parser for Java v9.0.4" is already installed as part of appsborg2.zip

Uix-xml translated in java

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