Validate Start to End date in ADF

Oracle ADF

Use Case – Create a custom validator to validate and To/From Date

Solution – 

JSPX – 

<?xml version=’1.0′ encoding=’UTF-8′?>
<jsp:root xmlns:jsp=”http://java.sun.com/JSP/Page” version=”2.1″
xmlns:f=”http://java.sun.com/jsf/core”
xmlns:h=”http://java.sun.com/jsf/html”
xmlns:af=”http://xmlns.oracle.com/adf/faces/rich”>
<jsp:directive.page contentType=”text/html;charset=UTF-8″/>
<f:view>
<af:document id=”d1″>
<af:form id=”f1″>
<af:panelFormLayout id=”pfl1″>
<af:inputDate label=”End Date” id=”endDate”>
<f:validator validatorId=”DateToFromValidator”/>
<f:attribute name=”startDate” value=”startDate”/>
</af:inputDate>
<af:commandButton text=”Submit” id=”cb1″/>
</af:panelFormLayout>
</af:form>
</af:document>
</f:view>
</jsp:root>

Validator – 

package view;

import java.util.Date;

import javax.faces.application.FacesMessage;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;

import javax.faces.validator.Validator;

import javax.faces.validator.ValidatorException;

import oracle.adf.view.rich.component.rich.input.RichInputDate;

public class DateToFromValidator implements Validator{
public void validate(FacesContext facesContext, UIComponent uIComponent,
Object object) throws ValidatorException {
String dueDateComponentId = (String)uIComponent.getAttributes().get(“startDate”);
RichInputDate richInputDate =(RichInputDate) uIComponent.findComponent(dueDateComponentId);
Date startDate = (Date)richInputDate.getValue();
Date endDate = (Date)object;
String labelStartDate = richInputDate.getLabel();
String labelEndDate = ((RichInputDate)uIComponent).getLabel();
if((startDate == null)||(endDate == null)||(endDate.compareTo(startDate)<0)){
FacesMessage facesMessage = new FacesMessage();
facesMessage.setSummary(labelStartDate + “/”+ labelEndDate + ” Validation Error!”);
facesMessage.setDetail(labelStartDate + ” should be less than ” + labelEndDate);
facesMessage.setSeverity(facesMessage.SEVERITY_ERROR);
facesContext.addMessage(uIComponent.getId(), facesMessage);
}
}
}

Config File (Adfc-Config)- 

<?xml version=”1.0″ encoding=”windows-1252″?>

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How to Create a Custom JSF Validator

Environment (JDeveloper 11.1.1.5.0, ADF BC, ADF Faces, hr schema)

ADF Faces provides several validation types; UI component attributes validation, default ADF Faces validators, and custom ADF Faces validators. The last type (custom ADF Faces validators) enables you to create your own validation logic in a Java class then you can use it as a validator to your UI component. The custom validator can be created for a specific component in a single page, or can be created to be used in all pages in your application. In this example, I will explain how to build your own custom validator that can be used in all pages. This example based on hr schema, mainly on Employees table, and assumed that you already have built your BC. Our business rule is that the PHONE_NUMBER attribute should be at least 9 digits. The steps to build your own validator are:

1. Create a Java…

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