Well i am refering here the adf util class for my reference.this code doesn’t written by me.But it is very helpful for ADF developer.
@author Duncan Mills @author Steve Muench @author Ric Smith import java.util.ArrayList; import java.util.List; import javax.faces.application.FacesMessage; import javax.faces.context.FacesContext; import javax.faces.model.SelectItem; import oracle.adf.model.BindingContext; import oracle.adf.model.binding.DCBindingContainer; import oracle.adf.model.binding.DCIteratorBinding; import oracle.adf.model.binding.DCParameter; import oracle.adf.share.logging.ADFLogger; import oracle.adfinternal.view.faces.bi.util.JsfUtils; import oracle.binding.AttributeBinding; import oracle.binding.BindingContainer; import oracle.binding.ControlBinding; import oracle.binding.OperationBinding; import oracle.jbo.ApplicationModule; import oracle.jbo.Key; import oracle.jbo.Row; import oracle.jbo.uicli.binding.JUCtrlValueBinding; /** * A series of convenience functions for dealing with ADF Bindings. * Note: Updated for JDeveloper 11 * */ public class ADFUtils { public static final ADFLogger LOGGER = ADFLogger.createADFLogger(ADFUtils.class); /** * Get application module for an application module data control by name. * @param name application module data control name * @return ApplicationModule */ public static ApplicationModule getApplicationModuleForDataControl(String name) { return (ApplicationModule)JsfUtils.resolveExpression("#{data." + name + ".dataProvider}"); } /** * A convenience method for getting the value of a bound attribute in the * current page context programatically. * @param attributeName of the bound value in the pageDef * @return value of the attribute */ public static Object getBoundAttributeValue(String attributeName) { return findControlBinding(attributeName).getInputValue(); } /** * A convenience method for setting the value of a bound attribute in the * context of the current page. * @param attributeName of the bound value in the pageDef * @param value to set */ public static void setBoundAttributeValue(String attributeName, Object value) { findControlBinding(attributeName).setInputValue(value); } /** * Returns the evaluated value of a pageDef parameter. * @param pageDefName reference to the page definition file of the page with the parameter * @param parameterName name of the pagedef parameter * @return evaluated value of the parameter as a String */ public static Object getPageDefParameterValue(String pageDefName, String parameterName) { BindingContainer bindings = findBindingContainer(pageDefName); DCParameter param = ((DCBindingContainer)bindings).findParameter(parameterName); return param.getValue(); } /** * Convenience method to find a DCControlBinding as an AttributeBinding * to get able to then call getInputValue() or setInputValue() on it. * @param bindingContainer binding container * @param attributeName name of the attribute binding. * @return the control value binding with the name passed in. * */ public static AttributeBinding findControlBinding(BindingContainer bindingContainer, String attributeName) { if (attributeName != null) { if (bindingContainer != null) { ControlBinding ctrlBinding = bindingContainer.getControlBinding(attributeName); if (ctrlBinding instanceof AttributeBinding) { return (AttributeBinding)ctrlBinding; } } } return null; } /** * Convenience method to find a DCControlBinding as a JUCtrlValueBinding * to get able to then call getInputValue() or setInputValue() on it. * @param attributeName name of the attribute binding. * @return the control value binding with the name passed in. * */ public static AttributeBinding findControlBinding(String attributeName) { return findControlBinding(getBindingContainer(), attributeName); } /** * Return the current page's binding container. * @return the current page's binding container */ public static BindingContainer getBindingContainer() { return (BindingContainer)JSFUtils.resolveExpression("#{bindings}"); } /** * Return the Binding Container as a DCBindingContainer. * @return current binding container as a DCBindingContainer */ public static DCBindingContainer getDCBindingContainer() { return (DCBindingContainer)getBindingContainer(); } /** * Get List of ADF Faces SelectItem for an iterator binding. * * Uses the value of the 'valueAttrName' attribute as the key for * the SelectItem key. * * @param iteratorName ADF iterator binding name * @param valueAttrName name of the value attribute to use * @param displayAttrName name of the attribute from iterator rows to display * @return ADF Faces SelectItem for an iterator binding */ public static List selectItemsForIterator(String iteratorName, String valueAttrName, String displayAttrName) { return selectItemsForIterator(findIterator(iteratorName), valueAttrName, displayAttrName); } /** * Get List of ADF Faces SelectItem for an iterator binding with description. * * Uses the value of the 'valueAttrName' attribute as the key for * the SelectItem key. * * @param iteratorName ADF iterator binding name * @param valueAttrName name of the value attribute to use * @param displayAttrName name of the attribute from iterator rows to display * @param descriptionAttrName name of the attribute to use for description * @return ADF Faces SelectItem for an iterator binding with description */ public static List selectItemsForIterator(String iteratorName, String valueAttrName, String displayAttrName, String descriptionAttrName) { return selectItemsForIterator(findIterator(iteratorName), valueAttrName, displayAttrName, descriptionAttrName); } /** * Get List of attribute values for an iterator. * @param iteratorName ADF iterator binding name * @param valueAttrName value attribute to use * @return List of attribute values for an iterator */ public static List attributeListForIterator(String iteratorName, String valueAttrName) { return attributeListForIterator(findIterator(iteratorName), valueAttrName); } /** * Get List of Key objects for rows in an iterator. * @param iteratorName iterabot binding name * @return List of Key objects for rows */ public static List keyListForIterator(String iteratorName) { return keyListForIterator(findIterator(iteratorName)); } /** * Get List of Key objects for rows in an iterator. * @param iter iterator binding * @return List of Key objects for rows */ public static List keyListForIterator(DCIteratorBinding iter) { List attributeList = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { attributeList.add(r.getKey()); } return attributeList; } /** * Get List of Key objects for rows in an iterator using key attribute. * @param iteratorName iterator binding name * @param keyAttrName name of key attribute to use * @return List of Key objects for rows */ public static List keyAttrListForIterator(String iteratorName, String keyAttrName) { return keyAttrListForIterator(findIterator(iteratorName), keyAttrName); } /** * Get List of Key objects for rows in an iterator using key attribute. * * @param iter iterator binding * @param keyAttrName name of key attribute to use * @return List of Key objects for rows */ public static List keyAttrListForIterator(DCIteratorBinding iter, String keyAttrName) { List attributeList = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { attributeList.add(new Key(new Object[] { r.getAttribute(keyAttrName) })); } return attributeList; } /** * Get a List of attribute values for an iterator. * * @param iter iterator binding * @param valueAttrName name of value attribute to use * @return List of attribute values */ public static List attributeListForIterator(DCIteratorBinding iter, String valueAttrName) { List attributeList = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { attributeList.add(r.getAttribute(valueAttrName)); } return attributeList; } /** * Find an iterator binding in the current binding container by name. * * @param name iterator binding name * @return iterator binding */ public static DCIteratorBinding findIterator(String name) { DCIteratorBinding iter = getDCBindingContainer().findIteratorBinding(name); if (iter == null) { throw new RuntimeException("Iterator '" + name + "' not found"); } return iter; } public static DCIteratorBinding findIterator(String bindingContainer, String iterator) { DCBindingContainer bindings = (DCBindingContainer)JSFUtils.resolveExpression("#{" + bindingContainer + "}"); if (bindings == null) { throw new RuntimeException("Binding container '" + bindingContainer + "' not found"); } DCIteratorBinding iter = bindings.findIteratorBinding(iterator); if (iter == null) { throw new RuntimeException("Iterator '" + iterator + "' not found"); } return iter; } public static JUCtrlValueBinding findCtrlBinding(String name){ JUCtrlValueBinding rowBinding = (JUCtrlValueBinding)getDCBindingContainer().findCtrlBinding(name); if (rowBinding == null) { throw new RuntimeException("CtrlBinding " + name + "' not found"); } return rowBinding; } /** * Find an operation binding in the current binding container by name. * * @param name operation binding name * @return operation binding */ public static OperationBinding findOperation(String name) { OperationBinding op = getDCBindingContainer().getOperationBinding(name); if (op == null) { throw new RuntimeException("Operation '" + name + "' not found"); } return op; } /** * Find an operation binding in the current binding container by name. * * @param bindingContianer binding container name * @param opName operation binding name * @return operation binding */ public static OperationBinding findOperation(String bindingContianer, String opName) { DCBindingContainer bindings = (DCBindingContainer)JSFUtils.resolveExpression("#{" + bindingContianer + "}"); if (bindings == null) { throw new RuntimeException("Binding container '" + bindingContianer + "' not found"); } OperationBinding op = bindings.getOperationBinding(opName); if (op == null) { throw new RuntimeException("Operation '" + opName + "' not found"); } return op; } /** * Get List of ADF Faces SelectItem for an iterator binding with description. * * Uses the value of the 'valueAttrName' attribute as the key for * the SelectItem key. * * @param iter ADF iterator binding * @param valueAttrName name of value attribute to use for key * @param displayAttrName name of the attribute from iterator rows to display * @param descriptionAttrName name of the attribute for description * @return ADF Faces SelectItem for an iterator binding with description */ public static List selectItemsForIterator(DCIteratorBinding iter, String valueAttrName, String displayAttrName, String descriptionAttrName) { List selectItems = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { selectItems.add(new SelectItem(r.getAttribute(valueAttrName), (String)r.getAttribute(displayAttrName), (String)r.getAttribute(descriptionAttrName))); } return selectItems; } /** * Get List of ADF Faces SelectItem for an iterator binding. * * Uses the value of the 'valueAttrName' attribute as the key for * the SelectItem key. * * @param iter ADF iterator binding * @param valueAttrName name of value attribute to use for key * @param displayAttrName name of the attribute from iterator rows to display * @return ADF Faces SelectItem for an iterator binding */ public static List selectItemsForIterator(DCIteratorBinding iter, String valueAttrName, String displayAttrName) { List selectItems = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { selectItems.add(new SelectItem(r.getAttribute(valueAttrName), (String)r.getAttribute(displayAttrName))); } return selectItems; } /** * Get List of ADF Faces SelectItem for an iterator binding. * * Uses the rowKey of each row as the SelectItem key. * * @param iteratorName ADF iterator binding name * @param displayAttrName name of the attribute from iterator rows to display * @return ADF Faces SelectItem for an iterator binding */ public static List selectItemsByKeyForIterator(String iteratorName, String displayAttrName) { return selectItemsByKeyForIterator(findIterator(iteratorName), displayAttrName); } /** * Get List of ADF Faces SelectItem for an iterator binding with discription. * * Uses the rowKey of each row as the SelectItem key. * * @param iteratorName ADF iterator binding name * @param displayAttrName name of the attribute from iterator rows to display * @param descriptionAttrName name of the attribute for description * @return ADF Faces SelectItem for an iterator binding with discription */ public static List selectItemsByKeyForIterator(String iteratorName, String displayAttrName, String descriptionAttrName) { return selectItemsByKeyForIterator(findIterator(iteratorName), displayAttrName, descriptionAttrName); } /** * Get List of ADF Faces SelectItem for an iterator binding with discription. * * Uses the rowKey of each row as the SelectItem key. * * @param iter ADF iterator binding * @param displayAttrName name of the attribute from iterator rows to display * @param descriptionAttrName name of the attribute for description * @return ADF Faces SelectItem for an iterator binding with discription */ public static List selectItemsByKeyForIterator(DCIteratorBinding iter, String displayAttrName, String descriptionAttrName) { List selectItems = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { selectItems.add(new SelectItem(r.getKey(), (String)r.getAttribute(displayAttrName), (String)r.getAttribute(descriptionAttrName))); } return selectItems; } /** * Get List of ADF Faces SelectItem for an iterator binding. * * Uses the rowKey of each row as the SelectItem key. * * @param iter ADF iterator binding * @param displayAttrName name of the attribute from iterator rows to display * @return List of ADF Faces SelectItem for an iterator binding */ public static List selectItemsByKeyForIterator(DCIteratorBinding iter, String displayAttrName) { List selectItems = new ArrayList(); for (Row r : iter.getAllRowsInRange()) { selectItems.add(new SelectItem(r.getKey(), (String)r.getAttribute(displayAttrName))); } return selectItems; } /** * Find the BindingContainer for a page definition by name. * * Typically used to refer eagerly to page definition parameters. It is * not best practice to reference or set bindings in binding containers * that are not the one for the current page. * * @param pageDefName name of the page defintion XML file to use * @return BindingContainer ref for the named definition */ private static BindingContainer findBindingContainer(String pageDefName) { BindingContext bctx = getDCBindingContainer().getBindingContext(); BindingContainer foundContainer = bctx.findBindingContainer(pageDefName); return foundContainer; } public static void printOperationBindingExceptions(List opList){ if(opList != null && !opList.isEmpty()){ for(Object error:opList){ LOGGER.severe( error.toString() ); } } }
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