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POValidating different Validation Groups JSF 2.0
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  1. POValidating different Validation Groups JSF 2.0
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    copied!<p>I am working on a form for searching clients in a database. This form is actually separated in <strong>two</strong> forms: let's say the <strong>simple search</strong> and the <strong>advanced search</strong>.</p> <p>I can choose to do an advanced search by clicking on the corresponding radio button. When I click the radio button, the state of my backing bean changes from the SimpleSearchState to the AdvancedSearchState (<a href="http://en.wikipedia.org/wiki/State_pattern" rel="nofollow"><strong><em>State Pattern</em></strong></a>).</p> <p>Here is the backing bean for my form:</p> <pre class="lang-java prettyprint-override"><code>public class SearchContextBean { /** * Injected beans */ @ManagedProperty(value = "#{simpleSearchStateBean}") private SimpleSearchStateBean simpleSearchStateBean; @ManagedProperty(value = "#{advancedSearchStateBean}") private AdvancedSearchStateBean advancedSearchStateBean; /** * State */ private SearchState searchState = simpleSearchStateBean; /** * Properties, validations. */ @NotEmpty(groups={SimpleSearchValidationGroup.class}) private String name; @Size(max=18, groups={AdvancedSearchValidationGroup.class}) private String firstName; ... } </code></pre> <p>So I have a the <strong>name</strong> property which I want to be mandatory for the simple search. On the other hand I'd like the <strong>firstName</strong> property to be validated on its size only for the advanced search.</p> <p>Here is a piece of my .xhtml page:</p> <pre class="lang-xml prettyprint-override"><code>&lt;h:inputText name="name" id="name" value="#{cc.attrs.searchContextBean.name}"&gt; &lt;f:validateBean validationGroups="package.to.my.SimpleSearchValidationGroup" /&gt; &lt;/h:inputText&gt; &lt;h:inputText name="firstName" id="firstName" value="#{cc.attrs.searchContextBean.firstName}"&gt; &lt;f:validateBean validationGroups="package.to.my.AdvancedSearchValidationGroup" /&gt; &lt;/h:inputText&gt; </code></pre> <p>I've tried to implement the <a href="http://docs.jboss.org/hibernate/validator/4.2/reference/en-US/html/validator-usingvalidator.html#example-rental-car-group-sequence-provider" rel="nofollow"><strong>Hibernate's GroupSequenceProvider</strong></a> without success: The overriden method <code>getValidationGroups</code> always received null instead of my bean object. And then even if I changed the group sequence by returning different lists of validation groups class, it didn't change anything in the validation of my web page.</p> <p>The problem is, I cannot put a <strong>disabled</strong> attribute in my <strong>f:validateBean</strong> which is set according to the state of my SearchContextBean because I cannot rerender the form for some reasons (I need to hide/display the error messages containers according to the EL #{name.valid} which stay at <strong>true</strong> if an error occurs, even after rerendering).</p> <p>I was hoping there's a cleaner solution for validating one group or another.</p> <p>Thanks by advance for any help.</p>
 

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