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POCustom property editors do not work for request parameters in Spring MVC?
 

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    <p>I'm trying to create a multiaction web controller using Spring annotations. This controller will be responsible for adding and removing user profiles and preparing reference data for the jsp page.</p> <pre><code>@Controller public class ManageProfilesController { @InitBinder public void initBinder(WebDataBinder binder) { binder.registerCustomEditor(UserAccount.class,"account", new UserAccountPropertyEditor(userManager)); binder.registerCustomEditor(Profile.class, "profile", new ProfilePropertyEditor(profileManager)); logger.info("Editors registered"); } @RequestMapping("remove") public void up( @RequestParam("account") UserAccount account, @RequestParam("profile") Profile profile) { ... } @RequestMapping("") public ModelAndView defaultView(@RequestParam("account") UserAccount account) { logger.info("Default view handling"); ModelAndView mav = new ModelAndView(); logger.info(account.getLogin()); mav.addObject("account", account); mav.addObject("profiles", profileManager.getProfiles()); mav.setViewName(view); return mav; } ... } </code></pre> <p>Here is the part of my webContext.xml file:</p> <pre><code>&lt;context:component-scan base-package="ru.mirea.rea.webapp.controllers" /&gt; &lt;context:annotation-config/&gt; &lt;bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"&gt; &lt;property name="mappings"&gt; &lt;value&gt; ... /home/users/manageProfiles=users.manageProfilesController &lt;/value&gt; &lt;/property&gt; &lt;/bean&gt; &lt;bean id="users.manageProfilesController" class="ru.mirea.rea.webapp.controllers.users.ManageProfilesController"&gt; &lt;property name="view" value="home\users\manageProfiles"/&gt; &lt;/bean&gt; &lt;bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" /&gt; </code></pre> <p>However, when i open the mapped url, i get exception:</p> <pre><code>java.lang.IllegalArgumentException: Cannot convert value of type [java.lang.String] to required type [ru.mirea.rea.model.UserAccount]: no matching editors or conversion strategy found </code></pre> <p>I use spring 2.5.6 and plan to move to the Spring 3.0 in some not very distant future. However, according to this JIRA <a href="https://jira.springsource.org/browse/SPR-4182" rel="nofollow noreferrer">https://jira.springsource.org/browse/SPR-4182</a> it should be possible already in spring 2.5.1.</p> <p>The debug shows that the InitBinder method is correctly called.</p> <p>What am i doing wrong?</p> <p>Update:</p> <pre><code>public class UserAccountPropertyEditor extends PropertyEditorSupport { static Logger logger = Logger.getLogger(UserAccountPropertyEditor.class); public UserAccountPropertyEditor(IUserDAO dbUserManager) { this.dbUserManager = dbUserManager; } private IUserDAO dbUserManager; public String getAsText() { UserAccount obj = (UserAccount) getValue(); if (null==obj) { return ""; } else { return obj.getId().toString(); } } public void setAsText(final String value) { try { Long id = Long.parseLong(value); UserAccount acct = dbUserManager.getUserAccountById(id); if (null!=acct) { super.setValue(acct); } else { logger.error("Binding error. Cannot find userAccount with id ["+value+"]"); throw new IllegalArgumentException("Binding error. Cannot find userAccount with id ["+value+"]"); } } catch (NumberFormatException e) { logger.error("Binding error. Invalid id: " + value); throw new IllegalArgumentException("Binding error. Invalid id: " + value); } } } </code></pre> <p>There are no errors logged from UserAccountPropertyEditor.</p>
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