- Topic : Java Server Faces (JSF)
- Environment : J2EE 5.0, MyFaces 1.1.5
errorMessage.jsp
also read:
<!-- Source : www.javabeat.net -->
<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 --> <html> <body> <f:view> <h:form id="select"> <h:messages/> </h:form> </f:view> </body> </html>
Hibernate Vs EJB 3.0