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POSpring MVC - Liferay - Validation (with @valid annotation)
 

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    <p>I'm trying to use the "@Valid" annotations in a Controller with Spring MVC (and Liferay 6).</p> <p>I have "test-portlet.xml" :</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xsi:schemaLocation=" http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"&gt; &lt;context:component-scan base-package="com.test.sample.sample.ipc.test" /&gt; &lt;mvc:annotation-driven /&gt; &lt;bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"&gt; &lt;property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /&gt; &lt;property name="prefix" value="/WEB-INF/view/test/" /&gt; &lt;property name="suffix" value=".jsp" /&gt; &lt;/bean&gt; &lt;/beans&gt; </code></pre> <p>Portlet.xml :</p> <pre><code>&lt;portlet-app version="2.0" xmlns="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd"&gt; &lt;portlet&gt; &lt;portlet-name&gt;test&lt;/portlet-name&gt; &lt;portlet-class&gt;org.springframework.web.portlet.DispatcherPortlet&lt;/portlet-class&gt; &lt;init-param&gt; &lt;name&gt;contextConfigLocation&lt;/name&gt; &lt;value&gt; /WEB-INF/context/test-portlet.xml &lt;/value&gt; &lt;/init-param&gt; &lt;supports&gt; &lt;mime-type&gt;text/html&lt;/mime-type&gt; &lt;portlet-mode&gt;view&lt;/portlet-mode&gt; &lt;/supports&gt; &lt;portlet-info&gt; &lt;title&gt;Test&lt;/title&gt; &lt;/portlet-info&gt; &lt;/portlet&gt; &lt;/portlet-app&gt; </code></pre> <p>JavaBean.java (it's my "form") :</p> <pre><code>package com.test.sample.sample.ipc.test; import javax.validation.constraints.Max; import javax.validation.constraints.Min; import javax.validation.constraints.NotNull; import org.hibernate.validator.constraints.NotEmpty; public class JavaBean { private String testName; public void setTestName(String testName) { this.testName = testName; } @NotEmpty(message = "{err.test.notEmpty}") @NotNull(message = "{err.test.notNull}") @Max(message = "{err.test.max}", value = 10) @Min(value = 1, message = "{err.test.min}") public String getTestName() { return testName; } } </code></pre> <p>And TestController.java :</p> <pre><code>package com.test.sample.sample.ipc.test; import javax.portlet.ActionRequest; import javax.portlet.ActionResponse; import javax.portlet.RenderRequest; import javax.portlet.RenderResponse; import javax.validation.Valid; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.support.SessionStatus; import org.springframework.web.portlet.bind.annotation.ActionMapping; import com.test.auction.services.model.Test; import com.test.auction.services.service.TestLocalServiceUtil; @Controller @RequestMapping("VIEW") public class TestController { @RequestMapping public String doView(RenderRequest request, RenderResponse response) { return "test"; } @ActionMapping("addTest") public void addTestAction(@Valid JavaBean bean, BindingResult result, SessionStatus status, ActionRequest request, ActionResponse response) { try { Test test = TestLocalServiceUtil.addTest(bean.getTestName()); test.setName("test"); request.setAttribute("testAttr", "OK"); } catch (Exception e) { e.printStackTrace(); request.setAttribute("testAttr", "ERROR"); } status.setComplete(); } } </code></pre> <p>The view (test.jsp) :</p> <pre><code>&lt;%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %&gt; &lt;%@ taglib prefix="portlet" uri="http://java.sun.com/portlet" %&gt; &lt;%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %&gt; &lt;%@ taglib uri="http://liferay.com/tld/aui" prefix="aui" %&gt; &lt;%@ page import="javax.portlet.PortletPreferences" %&gt; &lt;portlet:defineObjects/&gt; &lt;portlet:actionURL name="addTest" var="editURL"/&gt; &lt;c:out value="${testAttr}" /&gt; &lt;aui:form action="&lt;%= editURL %&gt;" name="addTest" method="post"&gt; &lt;aui:input label="Enter name of new Test Entity :" name="testName" type="text" value="" /&gt; &lt;aui:button type="submit" /&gt; &lt;/aui:form&gt; </code></pre> <p>Everything works as expected except for the validation of the JavaBean object. So, when I enter something in the text field, the JavaBean object is populated with it's value. If I enter nothing, for example, no error occurs or is visible in the "BindingResult" object.</p> <p>I tried putting the @valid annotations at the setter method or at the variable directly, but I get the same behavior.</p> <ul> <li>I have the library "hibernate-validator-annotation-processor-4.1.0.Final.jar" in the "lib" folder under web-inf.</li> </ul> <p>UPDATE : The @Min and @Max annotations should be used on integers, not string like I did!</p>
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