Convert SQL date from Util date.

public static final java.sql.Date getSQLDateFromUtilDate(java.util.Date date) {

java.sql.Date sqlDate = null;
if (date == null) {
return null;
} else {
sqlDate = new java.sql.Date(date.getTime());
}
return sqlDate;
}

Handy code for getting value from property bundle

public static final Object getUiBundleValue(String key) {

Map propertyMap =
(Map)ADFUtil.resolveExpression(“#{adfBundle['org.xxx.xxx.xxx.xxx.xxxUIBundle']}”);
return propertyMap.get(key);

}

public static Object resolveExpression(String el) {
FacesContext facesContext = FacesContext.getCurrentInstance();
ELContext elContext = facesContext.getELContext();
ExpressionFactory expressionFactory =
facesContext.getApplication().getExpressionFactory();
ValueExpression valueExp =
expressionFactory.createValueExpression(elContext, el, Object.class);
return valueExp.getValue(elContext);
}

Programmatically changing validation property in view criteria

In many cases we need to conditionally change the validation property of view criteria  ( we can change required / Selectively Required / Optional property in Query panel ).There is a method called setRequiredString(String) in ViewCriteriaItem object for achieving this requirement. Argument of this method is “Optional ” or “Required” or “SelectivelyRequired”. I am calling changeValidation() from queryOperationListener of af:Query component.In UI you can refresh your query component by self reference of partial trigger. Below code is self explanatory .    

<af:query id="qryId1" headerText="Search" disclosed="true"
                    value="#{bindings.Search_region_Name.queryDescriptor}"
                    model="#{bindings.Search_region_Name.queryModel}"
                    queryListener="#{backingBeanScope.BeanName.processQuery}"
                    queryOperationListener="#{backingBeanScope.BeanName.queryOperationListener}"
                    partialTriggers="::qryId1"/>

Managed Bean Code
    public void queryOperationListener(QueryOperationEvent queryOperationEvent)

    {
        JSFUtils.resloveMethodExpression("#{bindings.Employees1.collectionModel.makeCurrent}",
                                         Object.class,
                                         new Class[] { QueryOperationEvent.class },
                                         new Object[] { queryOperationEvent });

        if (queryOperationEvent.getOperation().equals(QueryOperationEvent.Operation.CRITERION_UPDATE)) {
            changeValidation();
        }
    }

    private void changeValidation() {


        DCDataControl dataControl =
            BindingContext.getCurrent().findDataControl("xxxAppModuleDataControl");
        ApplicationModule am =
            (ApplicationModule)dataControl.getDataProvider();


        ViewObject vo = am.findViewObject("VO_Instance_Name");
        ViewCriteria viewCriteria =
            vo.getViewCriteriaManager().getViewCriteria("View_Criteria_Name");
        ArrayList criteriaItems =
            (ArrayList)((ViewCriteriaRow)viewCriteria.getRows().get(0)).getCriteriaItems();
        Iterator iterator = criteriaItems.iterator();


        while (iterator.hasNext()) {
            ViewCriteriaItem item = (ViewCriteriaItem)iterator.next();
            if (item.getName().equalsIgnoreCase("View_Attribute_Name")) {
                ((ViewCriteriaItem)criteriaItems.get(2)).setRequiredString("SELECTIVELY_REQUIRED");


                if ((null != item.getValue())) {


                    ((ViewCriteriaItem)criteriaItems.get(0)).setRequiredString("Optional");
                    ((ViewCriteriaItem)criteriaItems.get(1)).setRequiredString("Optional");
                } else {
                    ((ViewCriteriaItem)criteriaItems.get(0)).setRequiredString("SelectivelyRequired");
                    ((ViewCriteriaItem)criteriaItems.get(1)).setRequiredString("Required");
                }
            }
        }
    }

Attribute value from Choice List

In many instances we have come up across a common issue where we need to get the actual attribute from a drop down but we used to get the index value. As a workaround we wrote backing bean methods to get the attribute value from View Object.

So now just keep that workaround aside and try with this new approach.

An expression like #{bindings.JobId.inputValue} would return the internal list index number when JobId was a list binding(LOV of choice list type). To get the actual JobId attribute value, you needed to use #{bindings.JobId.attributeValue} .The #{bindings.JobId.attributeValue} expression will return the attribute value corresponding with the selected index in the choice list.

Refresh Query component

/**
* Method for refreshing af:query component
* @param queryComponent
*/

public static void refreshQueryComponent(RichQuery queryComponent) {

QueryModel queryModel = queryComponent.getModel();
QueryDescriptor queryDescriptor = queryComponent.getValue();
queryModel.reset(queryDescriptor);
queryComponent.refresh(FacesContext.getCurrentInstance());

}

Highlighting row in a single selection table

/**
* Method for highlighting row in a single selection table
* @param Key
*/

public static void SelectTableRow(Key key, RichTable table) {

if (table == null) {
return;
}

if (key == null) {
key = new Key(new Object[] { 0 });
}

RowKeySet rks = table.getSelectedRowKeys();

if (rks == null) {
rks = new RowKeySetImpl();
} else {
rks.removeAll();
}
List keyList = new ArrayList();
keyList.add(key);
rks.add(keyList);
table.setSelectedRowKeys(rks);
}

Method for getting selected row from ADF Table

/**
* Method for getting selected row from Table
* @param uiTable
* @param iteratorName
* @return Row
*/

public static Row selectedRowFromTable(RichTable uiTable,
String iteratorName) {

Row row = null;
RowKeySet rowKeySet = uiTable.getSelectedRowKeys();

if (rowKeySet != null) {

Iterator rowIterator = rowKeySet.iterator();
Key key = (Key)((List)rowIterator.next()).get(0);
DCIteratorBinding voIterator =
IteratorUtils.getDCIteratorBinding(iteratorName);
RowSetIterator rowSetIterato = voIterator.getRowSetIterator();
row = rowSetIterato.getRow(key);
}
return row;
}

Set and get object into/from session

/**
* Method for setting an object in session
* @param name
* @param value
* @return null
*/

public static void setSessionValue(String name, Object value) {

FacesContext context = FacesContext.getCurrentInstance();
HttpServletRequest request =
(HttpServletRequest)context.getExternalContext().getRequest();
HttpSession httpSession = request.getSession(false);
httpSession.setAttribute(name, value);
}

/**
* Method for getting an object from session
* @param null
* @return Object
*/

public static Object getSessionValue(String attName) {

FacesContext context = FacesContext.getCurrentInstance();
HttpServletRequest request =
(HttpServletRequest)context.getExternalContext().getRequest();
HttpSession httpSession = request.getSession(false);
return httpSession.getAttribute(attName);

}

Programmatic approach to find Root Application module from Model layer.

/**
* Method for getting root application module
* @param null
* @return ApplicationModule
*/

public static ApplicationModule getApplicationModuleFromRoot() {

String amDef = “com.xx.xx.xx.ui.model.ApplicationModuleName”;
String config = “ApplicationModuleNameLocal”;
return Configuration.createRootApplicationModule(amDef, config);
}

/**
* Method for releasing application module
* @param ApplicationModule
* @return null
*/

public static void releaseApplivationModule(ApplicationModule am) {

try {
Configuration.releaseRootApplicationModule(am, true);
} catch (Exception e) {
am = null;
}
}

Method for converting oracle.jbo.domain.Date to java.util.Date

public static java.util.Date convertDomainDateToUtilDate(oracle.jbo.domain.Date domainDate) {

java.util.Date date = null;
if (domainDate != null) {
java.sql.Date sqldate = domainDate.dateValue();
date = new Date(sqldate.getTime());
}
return date;
}