How To create a custom tag in jsf

I'm trying to create a custom tag in jsf.what should be the approach to create it.it would be better if somebody will explain me from the skretch.

There's a decent tutorial here, Priyo:
http://www.exadel.com/tutorial/jsf/HowToWriteYourOwnJSFComponents.pdf
Hope it helps,
Illu

Similar Messages

How to create a custom tag for a custom converter

In Jdeveloper 11g, I have a project where I have created a custom converter class that impements the javax.faces.convert.Converter class. I have registered the converter with an id in the faces-config.xml file of the project, and the converter works fine by using the <f:converter type="myconverter"> tag. However, the custom converter has a field which I would like to set from the tag itself. Hence, I would like to add an attribute to <f:converter> tag if possible or create a custom tag that has the attribute.
I have done some reserach and I found that a custom tag can be implemented: I need to create a class which extends from the ConverterTag class or javax.faces.webapp.ConverterElTag class, which I did, but I also need to create ".tld" (tag library) file which defines the tag itself.
The part about creating the ".tld" file and registring the new tag is what I'm not sure how to do.
Does someone know how to do this?
thank you

Hi frank,
that's a good document, and it explains how to make a custom converter. I already created the custom converter, it converts a number to any currency pattern. I know java already has a currency converter, but it doesn't support Rupee currency format, and I need that format.
My converter works, but I would like to pass the pattern of the format through an attribute in a tag. Since f:converter doesn't seem to support that, I created a custom tag which uses my converter, and it enables me to pass a pattern to the converter.
All of that works, but I need to be able to pass the pattern as an EL expression, and it's not evaluating the expression before passing it to the converter. It just passes the whole expression as a string. I'm thinking It may be something I'm doing wrong.
this is the tag library definition file:
<!DOCTYPE taglib
PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.2//EN"
"http://java.sun.com/dtd/web-jsptaglibrary_1_2.dtd">
<taglib>
<tlib-version>1.2</tlib-version>
<jsp-version>2.1</jsp-version>
<short-name>custom</short-name>
<uri>custom-currency-converter</uri>
<description>
custom currency custom tag library
</description>
<tag>
<name>CurrencyConverter</name>
<tag-class>
converter.Tag.CurrencyConverterTag
</tag-class>
<body-content>JSP</body-content>
<attribute>
<name>pattern</name>
<type>java.util.String</type>
<required>true</required>
<rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
</taglib>
Edited by: Abraham Ciokler on Feb 4, 2011 11:20 AM

How to create the customizing TAG coloum in So10 transaction

Hi All,
I need to create the Tag Coloum in in SO10 ( standard text) transaction .
Basically i want to create the customised tag format and attach it to the format where we will see all the standard tag in so10.
I need to create the TAG in which first line should be start from 0.00 and from the second line onwards it should be start from the 2.3 .
Dhiraj.

Dhiraj,
What you will have to do is to create a separate STYLE in sMART FORMS transaction and assign that STYLE to the TEXT in S010. You can do that Format --> Change STYLE.
The tag column contains format keys which define the output formatting of the text or initiate control commands. The format keys possible and their respective meanings are defined in styles or forms. If a style or form is assigned to a text module you can use the paragraph formats defined there to format your text. Format keys which can be defined by the user can consist of one or two characters.
I have not tried this though.
regards,
Ravi
Note : Please mark the helpful answers

How to create a new custom tag in JSF 1.2

Hi there,
In JSF 1.2, all the classes (CommandButtonTag, CommandLinkTag, DataTableTag,...) in package com.sun.faces.taglib.html_basic are defined as final class. In JSF 1.1, we can create a custom tag that extends the tag in JSF taglib; it save us lots of time.
Could anybody know how to create a new custom tag in JSF 1.2?
Many thanks,
Emily

If I recall, it was done because how tags were to be handled in 1.2 was very different from 1.1 and it was felt that developers shouldn't rely on implementation specific classes (unless they were SPI) for several other reasons (application portability being the big one here).
If it's felt that this was the wrong decision, please feel free to log an issue [1] against the RI (to date, no one has).
As to the 'borked' dependency URLs, please log an issue [1] if you find these. We have nightly builds going that work from a clean workspace and checking today's result, it seems ok.
[1] https://javaserverfaces.dev.java.net/issues

Can I write Design-time for JSP custom tag(not JSF components)

I have some old JSP custom tags(not JSF components), and I want to use them in the IDE through the toolbox.
Now I have already written the BeanInfos for these tags, and they can be drag from the toolbox; but it will throw a Exception when render the tags, and the properties in the Property Editor are not which I describe in the BeanInfos.
How can I write Design-time for these tags? or whether it is possible to write the Design-time for these tags?
the Exception is shown as follow:
java.lang.ClassCastException
     at com.sun.rave.insync.faces.FacesPageUnit.renderNode(FacesPageUnit.java:1347)
[catch] at com.sun.rave.insync.faces.FacesPageUnit.renderBean(FacesPageUnit.java:1086)
     at com.sun.rave.insync.faces.FacesPageUnit.getFacesRenderTree(FacesPageUnit.java:993)
     at com.sun.rave.css2.FacesSupport.getFacesHtml(FacesSupport.java:152)
     at com.sun.rave.css2.CssContainerBox.addNode(CssContainerBox.java:373)
     at com.sun.rave.css2.CssContainerBox.createChildren(CssContainerBox.java:354)
     at com.sun.rave.css2.DocumentBox.createChildren(DocumentBox.java:90)
     at com.sun.rave.css2.DocumentBox.relayout(DocumentBox.java:160)
     at com.sun.rave.css2.PageBox.layout(PageBox.java:392)
     at com.sun.rave.css2.PageBox.relayout(PageBox.java:454)
     at com.sun.rave.css2.DocumentBox.redoLayout(DocumentBox.java:313)
     at com.sun.rave.css2.PageBox.redoLayout(PageBox.java:460)
     at com.sun.rave.css2.DocumentBox.changed(DocumentBox.java:634)
     at com.sun.rave.designer.DesignerPaneUI$UpdateHandler.changedUpdate(DesignerPaneUI.java:1012)
     at com.sun.rave.text.Document.fireChangedUpdate(Document.java:851)
     at com.sun.rave.text.Document$5.run(Document.java:631)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

I have some old JSP custom tags(not JSF components), and I want to use them in the IDE through the toolbox.
Now I have already written the BeanInfos for these tags, and they can be drag from the toolbox; but it will throw a Exception when render the tags, and the properties in the Property Editor are not which I describe in the BeanInfos.
How can I write Design-time for these tags? or whether it is possible to write the Design-time for these tags?
the Exception is shown as follow:
java.lang.ClassCastException
     at com.sun.rave.insync.faces.FacesPageUnit.renderNode(FacesPageUnit.java:1347)
[catch] at com.sun.rave.insync.faces.FacesPageUnit.renderBean(FacesPageUnit.java:1086)
     at com.sun.rave.insync.faces.FacesPageUnit.getFacesRenderTree(FacesPageUnit.java:993)
     at com.sun.rave.css2.FacesSupport.getFacesHtml(FacesSupport.java:152)
     at com.sun.rave.css2.CssContainerBox.addNode(CssContainerBox.java:373)
     at com.sun.rave.css2.CssContainerBox.createChildren(CssContainerBox.java:354)
     at com.sun.rave.css2.DocumentBox.createChildren(DocumentBox.java:90)
     at com.sun.rave.css2.DocumentBox.relayout(DocumentBox.java:160)
     at com.sun.rave.css2.PageBox.layout(PageBox.java:392)
     at com.sun.rave.css2.PageBox.relayout(PageBox.java:454)
     at com.sun.rave.css2.DocumentBox.redoLayout(DocumentBox.java:313)
     at com.sun.rave.css2.PageBox.redoLayout(PageBox.java:460)
     at com.sun.rave.css2.DocumentBox.changed(DocumentBox.java:634)
     at com.sun.rave.designer.DesignerPaneUI$UpdateHandler.changedUpdate(DesignerPaneUI.java:1012)
     at com.sun.rave.text.Document.fireChangedUpdate(Document.java:851)
     at com.sun.rave.text.Document$5.run(Document.java:631)
     at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:178)
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:454)
     at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)

JSF 1.2 style facelets custom tags in JSF 2.0

Ahoy.
Using facelets with JSF 1.2, one could create a custom tag in an xhtml file along the lines of:
labelledInput.xhtml:
<ui:component>
    <h:outputLabel value="#{label}: ">
        <h:inputText value="#{value}"/>
    </h:outputLabel>
</ui:component>
...You could register it in faces-config.xml or somewhere and then use it with <custom:labeledInput label="Type Something: " value="#{bean.value}"/>.
Alternatively, one could use <ui:composition> instead of <ui:component> in which case the tag wouldn't be considered as a component.
I think it could possibly be done with composite components, but they're not quite the same, and their documentation is pretty limited (at least until some of the books come out this year).
I want to use these more as shortcuts to reduce code duplication rather than adding functionality and they seemed to work well in the past for this.
If they can't be used, is there a way of creating a composite component that doesn't act as a component?
In particular, I want to make a tag that contains two components:
- a label
- a panel group containing an input and a message for that input
Then I can add a bunch of these to a 2-column panel grid for a nicely formatted form. Doing it with composite components forces each tag to be a single component, which I don't want. Old-facelets <ui:composition> based tags would let me do this (I think.)

Hello,
You posted in the wrong forum. This one is dedicated to the Oracle Forms product.
Francois

How to clear the custom tags in the phonebook?

some time create a label on the agenda of the phone contacts, your name is "profile", but now I want to delete because it is no longer useful, but not how to delete this custom tag.
I want to know how can i delete this custom tag?

Hi,
We need to use FREE statement.
please do this way:
For
form exit_program .
call method cc1->free.
call method cc2->free.
call method cc3->free.
call method cc4->free.
call method cl_gui_cfw=>flush.
if sy-subrc <> 0.
    call function 'POPUP_TO_INFORM'
      exporting
        titel = lv_repid
        txt1 = 'Error in Flush'(500)
        txt2 = sy-subrc.
endif.
endform.                    " exit_program
module user_command_0100 input.
case sy-ucomm.
    when 'BACK'.
      perform exit_program.
      set screen '0'.
    when 'EXIT' or 'CANC'.
      perform exit_program.
      leave program.
endcase.
endmodule.                 " USER_COMMAND_0100 INPUT
thanx.

Problem in creating a custom tag

Hi All,
I'm new to jstl. I want to create a custom tag. I created a sample java class and sample tld file and I used this file at my page it give me an error. The java and tag file code is as follow
package mytag;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
* This is a simple tag example to show how content is added to the
* output stream when a tag is encountered in a JSP page.
public class Hello extends TagSupport {
     private String name=null;
      * Getter/Setter for the attribute name as defined in the tld file
      * for this tag
public void setName(String value){
    name = value;
     public String getName(){
          return(name);
* doStartTag is called by the JSP container when the tag is encountered
    public int doStartTag() {
       try {
        JspWriter out = pageContext.getOut();
        out.println("<table border=\"1\">");
          if (name != null)
           out.println("<tr><td> Hello " + name + " </td></tr>");
        else
           out.println("<tr><td> Hello World </td></tr>");
       } catch (Exception ex) {
         throw new Error("All is not well in the world.");
       // Must return SKIP_BODY because we are not supporting a body for this
       // tag.
       return SKIP_BODY;
* doEndTag is called by the JSP container when the tag is closed
     public int doEndTag(){
        return EVAL_PAGE;
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE taglib PUBLIC "-//Sun Microsystems, Inc.//DTD JSP Tag Library 1.1//EN"
"http://java.sun.com/j2ee/dtds/web-jsptaglibrary_1_1.dtd">
<taglib>
     <tlibversion>1.0</tlibversion>
     <jspversion>1.1</jspversion>
     <shortname>sample</shortname>
     <info>My sample tag</info>
<tag>
    <name>hello</name>
    <tagclass>tag.Hello</tagclass>
    <bodycontent>empty</bodycontent>
    <info>
     This is a simple hello tag.
    </info>
<attribute>
      <name>name</name>
      <required>true</required>
      <rtexprvalue>true</rtexprvalue>
</attribute>
</tag>
</taglib>And I use this tld file in my jsp code I got below error
* org.apache.jasper.JasperException: /mytag.jsp(9,15) Unable to load tag handler class "tag.Hello" for tag "sample:hello"
Help me about this problem.
Edited by: Get2win4world on Dec 15, 2009 1:12 AM

Your class (according to what is posted) is in the package mytag.
So in your tld: <tagclass>tag.Hello</tagclass>should be<tagclass>mytag.Hello</tagclass>cheers,
evnafets

Trying to create a custom tag

I want to create a custom tag that has a attribute that ask
for a number. like below...
<cf_makeattributes number="?">
Now say I made that number something like 5
<cf_makeattributesnumber=
"5">
I would like for the tag to take that number and make 5
attributes called "Form" in a array from 1 to 5 like below...
<cfset attributes.form = arraynew(1)>
<cfloop index="i" from="1" to="#attributes.number#">
#attributes.form
</cfloop>
Is it possible to make a tag that ask for a number like 5 and
make 5 attributes and within the same tag assign values to those 5
attributes. for example consider the above.
<cf_makeattributes number="5" attribute1="hi"
attribute2="hello" attribute3="howdy" attribute4="hey"
attribute5="HOWE!">
or say i want to make 2 attributes and assign 2 values to
those attributes
<cf_makeattributes number="2" attribute1="This tag asked
for 2 numbers" attribute2="and therefore gave me the ability to
make 2 attributes">
I also have another question that kinda applies to the
question above.
How does the coldfusion server read the tags. for example
look at below
<cf_makeattributes number="2" attribute1="hello"
attribute2="world">
would the server read it like this...
step 1
<
cf_makeattributes number="2" attribute1="hello"
attribute2="world">
step 2
<cf_makeattributes
number="2" attribute1="hello" attribute2="world">
step 3
makeattributes.CFM (it now goes to the template that holds
the tags scripts)
Or does it first read all thats bold below
<cf_makeattributes
number="2" attribute1="hello" attribute2="world">
then goes to the makeattributes template. Is there away I
can compile my script one step at a time like C# and C++ just to
see the steps
PLUS Do i have to put my custom tag into a specific folder or
can I just put it in the same folder as the document thats calling
the custom tag

> I could either make a bunch of attributes that will grab
all the
> values or I could loop out a array of attributes. Thats
my goal
I was with you until that line. The term attributes is
confusing in this context. I'm not sure if you're talking about
attributes in a generic sense or the custom tag attribute
scope.
> Now here wat im thinking now. What if instead I put the
forms in a list. something like this...
> <cf_Formentry
Forms="#Form.one#,#form.two#,#form.three#">
Do you mean form
fields?
Let's try this from a different angle. Can you give a
concrete example of the desired results using this form?
<form>
<input name="username1" value="Alice">
<input name="username2" value="Bob">
<input name="username3" value="Kyle">
<input name="username4" value="Michelle">
<input name="username5" value="Robert">
</form>

How to Create the Custom print Quote Report ?

Hi All,
I want to create the custom Print Quote report . I know the below details and referred the below metalinks .
Note: 780722.1 - How to Create a Custom Print Quote Template in Oracle Quoting ?
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=780722.1
Note: 392728.1 - How to Modify the data source for the XML version of the Print Quote report
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=392728.1
Note: 468982.1 - How To Customize The Asoprint.Xsl
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=468982.1.
Oracle Metalink:
Note: To add a column to the print quote report, following files need to be updated:
LinesVO.xml --- xml files containing the sql query and attribute definition
LinesVORowImpl.class - public class extending the framework class OAViewRowImpl.
This class contains the set and get for the attributes defined in xml file.
ASOPRINT.xsl - this is the xsl stylesheet file used to describe the report layout.
This file needs to be modified to include the new column being added to the report
QUESTION :
My question is,
1. wether my approach (below iare the details)of trying to extend the PromptVO is the right way or is there any other way to add the new columns.
I want to add new fields on to the report . When i looked into the it says the below
Here we find that to add a new column, oracle says to update the LINESVO.xml, do they really mean to update the base files.
This report uses following VO's
PROMPTVO
HEADERVO,
LINESVO.
To create new Headers & Prompts, i tried extending the PROMPTVO. Once the extended VO is substitued , i dont even get the data for standard oracle Prompts. is this the right way to add columns?
Thanks

Hi All,
I want to create the custom Print Quote report . I know the below details and referred the below metalinks .
Note: 780722.1 - How to Create a Custom Print Quote Template in Oracle Quoting ?
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=780722.1
Note: 392728.1 - How to Modify the data source for the XML version of the Print Quote report
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=392728.1
Note: 468982.1 - How To Customize The Asoprint.Xsl
https://metalink2.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=468982.1.
Oracle Metalink:
Note: To add a column to the print quote report, following files need to be updated:
LinesVO.xml --- xml files containing the sql query and attribute definition
LinesVORowImpl.class - public class extending the framework class OAViewRowImpl.
This class contains the set and get for the attributes defined in xml file.
ASOPRINT.xsl - this is the xsl stylesheet file used to describe the report layout.
This file needs to be modified to include the new column being added to the report
QUESTION :
My question is,
1. wether my approach (below iare the details)of trying to extend the PromptVO is the right way or is there any other way to add the new columns.
I want to add new fields on to the report . When i looked into the it says the below
Here we find that to add a new column, oracle says to update the LINESVO.xml, do they really mean to update the base files.
This report uses following VO's
PROMPTVO
HEADERVO,
LINESVO.
To create new Headers & Prompts, i tried extending the PROMPTVO. Once the extended VO is substitued , i dont even get the data for standard oracle Prompts. is this the right way to add columns?
Thanks

How to create a custom function module with the records in SAP R/3?

Hi All,
How to create a custom function module with the records in SAP R/3? Using RFC Adapter I have to fetch the custom function module records.
Regards
Sara

Hi
goto se37...here u need to create a function group... then u need to create a function module. inside assign import/export parameters. assign tables/exceptions. activate the same. now write ur code within the function module
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db98fc35c111d1829f0000e829fbfe/content.htm
Look at the below SAP HELP links, These links will show you the way to create a Function Module
http://help.sap.com/saphelp_nw04/helpdata/en/26/64f623fa8911d386e70000e82011b8/content.htm
http://help.sap.com/saphelp_nw04/helpdata/en/9f/db98fc35c111d1829f0000e829fbfe/content.htm

How to create a custom layout set to display the KM folders...

Could someone please tell me how to create a custom layout set to display the KM folders?
Thanks,
Sudha.

Hi Sudha,
Please check the following blogs whick will guide you step by step.
https://www.sdn.sap.com/irj/sdn/weblogs?blog=/pub/wlg/4123
https://www.sdn.sap.com/irj/sdn/weblogs?blog=/pub/wlg/3071
http://help.sap.com/saphelp_nw2004s/helpdata/en/c3/c91b5610b65b4aa8204d09384d156b/frameset.htm
If helps reward points
cheers
dev

How to create a custom task in SRM for the standard task

Hi Gurus,
How to create a custom task in SRM for the standard task eg: TS10407929
regards,
George.

from PFTC itself. Same.

How to create the custom charts?

how to create a custom charts? for example the donut shapes, but for the data can be automatically adjust (like a available charts on keynote)

Keynote and Numbers do not have a tool for making Donut Graphs. There are ways to make them using HTML, but I prefer to cheat:
1 Create your first graph as a pie chart and add a circle of solid color to the center
2. If you need more, take a screenshot of the pie chart with the center fill and drag the screenshot into Preview - in Preview > Select Tool (pulldown from Toolbar) > Instant Alpha and remove the inner filled circle and outer fill then Save As > PNG with Alpha
3. Drag your new hollow shape into Keynote. This chart can be placed over another pie chart with a filled center (the fill should match the background)
Not as graceful as a special tool but can get the job done quickly - changing the data requires starting it over since at least one of your donuts my be an image rather than a pie chart with variable data.
Try it. If you need more specific tools, Google Donut Shaped Charts for starts.
Good luck

How to create the custom infotypes in Campus Management

Hi,
Please help me how to create the custom infotypes in campus management.
Thanks,
Lakshmi.

Hi,
Steps to create a HR Infotype:
1) Go to Transaction PM01.
2) Enter the custom Infotype number which you want to create (Should be a 4 digit number, start with 9).
3) Select the 'Employee Infotype' radio button.
4) Select the 'PS Structure Infotype'.
5) Click on Create... A separate table maintenance window appears...
6) Create a PS structure with all the fields you want on the Infotype
7) Save and Activate the PS structure
8) Go back to the initial screen of PM01.
9) Click on 'All' push button. It takes a few moments.
10) Click on 'Technical Characteristics'. Infotype list screen appears
11) Click on 'Change'(pencil) button
12) Select your Infotype and click on 'Detail' (magnifying glass) button
13) Give 'T591A' as subtype table
14) Give 'T591S' as subtype txt tab
15) Give your subtype field as subtype field
16) Save and come back to PM01 initial screen
17) Click on 'Infotype Characteristics' ... Infotype list screen appears
18) Click on 'Change' (pencil) button
19) Click on 'New Entries'
20) Enter your Infotype number and short text
21) Here we have to set different Infotype Characteristics as per the requirement. (Better open another session with some standard Infotype's infotype characteristics screen and use as the reference to fill yours)
22) Save your entries.
23) Now the Infotype is created and ready to use.
24) If you want to change the layout of the Infotype as per your requirement...
25) In the PM01 initial screen...Select 'Screen' radio button and give 2000 as the screen name, then click on edit.
26) In the next screen.. Select 'Layout Editor' and click 'Change'.
27) Screen default layout appears...here you can design/modify the screen..change the attributes of the fields..etc.
28) Save and activate. (Don't forget to 'Activate at every level)
Subtype Creation :
Transaction PM01 Goto Subtype Characteristics. Click on Append and then subtype. Enter the name and description of subtype on screen.
Then goto technical Characteristics and maintain the details of subtype there. I.e name of subtype i.e. component name defined in PSnnnn. Subtype table is T591A.
Subty.text tab is T591S and time const tab is T591A.
See:
http://help.sap.com/saphelp_46c/helpdata/en/4f/d5268a575e11d189270000e8322f96/content.htm
HR related site:
http://www.sapdevelopment.co.uk/hr/hrhome.htm
Enhancement of Infotype
Check the following
http://help.sap.com/printdocu/core/Print46c/en/data/pdf/PAXX/PYINT_INFOTYP.pdf
Infotype Enhancement overview screen
https://www.sdn.sap.com/irj/sdn/go/portal/prtroot/docs/library/uuid/60a7586d-edd9-2910-68a8-8204303835a1
Cheers,
vasavi.
kindly reward if helpful.

How To create a custom tag in jsf

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