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<?xml version="1.0" encoding="UTF-8"?>
<flow xmlns="http://www.springframework.org/schema/webflow"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.springframework.org/schema/webflow
        http://www.springframework.org/schema/webflow/spring-webflow-2.0.xsd">

	<action-state id="start">
		<evaluate expression="userService.getUser(currentUser.name)"
			result="flowScope.user"></evaluate>
		<transition to="view"></transition>
	</action-state>
	<view-state id="view" view="profile-view.xhtml">
		<transition on="edit" to="edit" />
		<transition on="cancel" to="cancel"></transition>
	</view-state>

	<view-state id="edit" view="profile-edit.xhtml">

		<transition on="back" to="start"></transition>
		<transition on="cancel" to="cancel"></transition>
		<transition on="save" to="actionSave"></transition>
	</view-state>

	<action-state id="actionSave">
		<evaluate expression="userValidator.validate()"></evaluate>
		<transition to="edit"></transition>
	</action-state>

	<end-state id="cancel"></end-state>
</flow>

Code: Select all

<?xml version="1.0" encoding="UTF-8"?>
<ui:composition xmlns="http://www.w3.org/1999/xhtml"
	xmlns:ui="http://java.sun.com/jsf/facelets"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:t="http://myfaces.apache.org/tomahawk"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:p="http://primefaces.prime.com.tr/ui"
	xsi:schemaLocation="
        http://java.sun.com/jsf/facelets facelets-ui-2.0.xsd
        http://java.sun.com/jsf/core jsf-core-2.0.xsd
        http://java.sun.com/jsf/html html-basic-2.0.xsd"
	template="/WEB-INF/layouts/standard.xhtml">
	<ui:define name="content">

		<h:form>
			<p:fieldset legend="Edit profile">
				<p:messages id="userFormMsgs"/>
				<div align="center">
					<h:panelGrid columns="2">
						<h:outputLabel for="user" value="Username " />
						<p:inputText id="user" value="#{userValidator.username}" />
						<h:outputLabel for="old-pass" value="Old password " />
						<p:password id="old-pass" value="#{userValidator.oldPass}"
							feedback="false" label="Password" />
						<h:outputLabel for="new-pass" value="New password " />
						<p:password id="new-pass" value="#{userValidator.newPass}"  feedback="false" />
						<h:outputLabel for="new-pass-confirm"
							value="Confirm new password " />
						<p:password id="new-pass-confirm" value="#{userValidator.newPassConfirmed}" feedback="false" />

					</h:panelGrid>
					<p:commandButton action="save" value="Save" 
						update="userFormMsgs" />
					<p:commandButton action="back" value="Back" />
					<p:commandButton action="cancel" value="Cancel" />
				</div>
			</p:fieldset>
		</h:form>
	</ui:define>
</ui:composition>

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public String validate(User user) {
		FacesContext ctx = FacesContext.getCurrentInstance();
		
		EmailValidator emailValidator = new EmailValidator();
		boolean isEmailValid = emailValidator.isValid(username, null);
		
		if (( username == null) || (username.length() < 1)) {
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Username cannot be empty!", ""));
		}
		if (!isEmailValid) {
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Email is not valid!", ""));
		}
		if (!user.getPassword().equals(oldPass)) {
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Wrong password entered!", ""));
		}

		if (!newPass.equals(newPassConfirmed)) {
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "New password confirmation failed!", ""));
		} else {
			if (newPass.length() < 6) {
				ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_ERROR, "Password should be at least 6 symbols!", ""));
			}
		}

		if (ctx.getMessageList().size() > 0) {
			return (null);
		} else {
			user.setPassword(newPass);
			user.setUsername(username);
			repository.save(user);
			ctx.addMessage(null, new FacesMessage(FacesMessage.SEVERITY_INFO, "Profile updated!", ""));
			return (null);
		}