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Topic : Java Server Faces (JSF)Environment : J2EE 5.0, MyFaces 1.1.5
errorMessage.jsp
<!--
Source : www.javabeat.net
-->
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<html>
<body>
<f:view>
<h:form id="select">
<h:messages />
<h:inputText id="name" value="#{errorMessageBean.name}"/>
<h:commandButton value="Submit" action="#{errorMessageBean.submit}"/>
</h:form>
</f:view>
</body>
</html>
ErrorMessageBean.java
/**
* Source : www.javabeat.net
* */
package net.javabeat.myfaces.error;
import javax.faces.application.FacesMessage;
import javax.faces.context.FacesContext;
public class ErrorMessageBean {
private String name;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String submit(){
String viewId = "";
if (this.name == null || this.name.length() == 0){
FacesMessage fm = new FacesMessage("Field is Empty");
FacesContext.getCurrentInstance().addMessage("Field is Empty", fm);
viewId = "errorMessageBeanSuccess";
}
else{
FacesMessage fm = new FacesMessage("Validation Success");
FacesContext.getCurrentInstance().addMessage("Field is Empty", fm);
viewId = "errorMessageBeanFail";
}
return viewId;
}
}
faces-config.xml
<managed-bean>
<managed-bean-name>
errorMessageBean
</managed-bean-name>
<managed-bean-class>
net.javabeat.myfaces.error.ErrorMessageBean
</managed-bean-class>
<managed-bean-scope>
request
</managed-bean-scope>
</managed-bean>
<navigation-rule>
<navigation-case>
<from-outcome>
errorMessageBeanSuccess
</from-outcome>
<to-view-id>
/pages/error/errorMessageResult.jsp
</to-view-id>
</navigation-case>
</navigation-rule>
<navigation-rule>
<navigation-case>
<from-outcome>
errorMessageBeanFail
</from-outcome>
<to-view-id>
/pages/error/errorMessage.jsp
</to-view-id>
</navigation-case>
</navigation-rule>
errorMessageResult.jsp
<!--
Source : www.javabeat.net
-->
<%@ taglib prefix="f" uri="http://java.sun.com/jsf/core" %>
<%@ taglib prefix="h" uri="http://java.sun.com/jsf/html" %>
<html>
<body>
<f:view>
<h:form id="select">
<h:messages/>
</h:form>
</f:view>
</body>
</html>
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