How To Copy the Value From Binding Variable To Iterator in adf? - oracle-adf

Question

i have an adf table that contain many columns + plus a column that have a button , which will open a popup to insert a value
<af:table value="#{bindings.BpmCrMilestoneUPView1.collectionModel}" var="row" rows="#{bindings.BpmCrMilestoneUPView1.rangeSize}" >
<af:column id="c49" headerText="#{bindings.BpmCrMilestoneUPView1.hints.MilestoneSeq.label}" width="50" displayIndex="-1" minimumWidth="12">
<af:inputText value="#{row.bindings.MilestoneSeq.inputValue}" readOnly="true" id="it16">
</af:inputText>
</af:column>
<af:column>
<af:inputText value="#{row.bindings.Oldmilesseq.inputValue}" id="it15">
</af:column>
<af:column label="openPopUp" >
<af:button action = "#{pageFlowScope.CRInitaitiveBean.openCommentsPopUp}" >
</af:button>
</af:column>
<af:table>
and this is the popup that contain the input text Field
<af:popup binding="#{pageFlowScope.CRInitaitiveBean.commentsPopUp}" id="p2">
<div class="form-group" id="d7">
<af:outputLabel value="#{lang.previous_comments}" />
<af:inputText autoSubmit="true" simple="true"
value="#{bindings.newCommentValue.inputValue}" />
</div>
</div>
and the newCommentValue pointing to the BpmCrOutputUPView1Iterator in the bindings tab.
if i open the popup for each row , and type values , all values are saved correctly
but when i try to loop the iterator programmatically , the typed values are null
and this is the code
RowSetIterator itr = ADFUtils.findIterator("BpmCrOutputUPView1Iterator").getRowSetIterator();
while (itr.hasNext()) {
Row row = itr.next();
if (row != null) {
System.out.println();
System.out.println("Current OUTPUT Row Is Not Null");
String newComment = (String) row.getAttribute("newCommentValue");
System.out.println();
System.out.println("new Comment is -------------------> "+newComment); // it should print the typed value for that row
but it's printed null

Answer 1

It will be easier for this specific use case to use the highly recommended JSFUtils open source class resolveExpression function.
JSFUtils and ADFUtils are two utilitary java class made by 3 ADF heroes Duncan Mills, Steve Muench and Ric Smith. You can easily find those using your favorite search engine.
Once added to your project you can get the value of an EL Expression inside your Java bean as follow :
String newCommentValue= (String)JSFUtils.resolveExpression("#{bindings.newCommentValue.inputValue}");
Here is the JSFUtils function for your information :
/**
* Method for taking a reference to a JSF binding expression and returning
* the matching object (or creating it).
* #param expression EL expression
* #return Managed object
*/
public static Object resolveExpression(String expression) {
FacesContext facesContext = getFacesContext();
Application app = facesContext.getApplication();
ExpressionFactory elFactory = app.getExpressionFactory();
ELContext elContext = facesContext.getELContext();
ValueExpression valueExp = elFactory.createValueExpression(elContext, expression, Object.class);
return valueExp.getValue(elContext);
}