I am using Spring MVC to build my web application, and I have a question about validating parameters I receive in the URL. What is the best way to detect invalid parameters and display errors to the user? Suppose I have a "View User Profile" page. The profile that is displayed is based on a user ID parameter specified in the URL. I migh...
I am looking for an online resource to learn the Spring MVC stack. Can someone point me in the right direction? ...
Hello, Let's say I have the following command object: class BreakfastSelectCommand{ List<Breakfast> possibleBreakfasts; Breakfast selectedBreakfast; } How can I have spring populate "selectedBreakfast" with a breakfast from the list? I was figuring I'd do something like this in my jsp: <form:radiobuttons items="${possibleBreakfas...
As the title says. Is there a way to integrate the two? ...
I'm building a Spring MVC web application with Tiles/JSP as the view technology. Previously I stored the paths to common images in class Common: public final static String IMG_BREADCRUMBS_NEXT = "/shared/images/famfam/bullet_arrow_right.png"; Then I would use this class in jsp to get the image src like <img src="<%= Common.IMG_BREA...
I have one page form done with Spring MVC. User has to register first and I would like the form to be saved automatically so user can come later to finalize it. Traditional form submission with a timer is not what I'm looking for. Instead, I am planning to use some ajaxy way to send fields to the server at each onFocus event. Any sugges...
I am developing a Grails (1.0.4) app where I want to edit a collection of collections on a single page in a grid view. I got it to work quite well depending only on the indexed parameter handling of Spring MVC, except for one thing: boolean (or, for that matter, Boolean) values in the grid can be set via checkbox, but not unset, i.e. w...
I am trying to split the ApplicationContext file in Spring. For ex. the file is testproject-servlet.xml having all the entries. Now I want to split this single file into multiple files according to logical groups like : group1-services.xml, group2-services.xml I have created following entries in web.xml : <servlet> <servlet-name>t...
Hello, I would like to have step-by-step information on : how to split the ApplicationContext file (eg.: myapp-servlet.xml) into multiple XML files in Spring with some examples ? I have tried configuring web.xml with "ContextLoaderListener" and have contextConfigLocation like : <init-param> <param-name>contextConfigLocation</...
Is there a built-in mechanism in Spring that would allow me to display an externally rendered PDF as a view? I've fetching PDF via a webservice (returned an attached DataHandler) so I'm not looking to subclass AbstractPdfView to render PDF. This isn't a hard problem to solve on its own; it would be easy enough just to write the PDF to...
Let's discuss on the following example: <spring:bind path="user.userName"> <input type="text" name="${status.expression}" value="${status.value}"/> <span class="fieldError">${status.errorMessage}</span> </spring:bind> When this view snippet gets rendered, what do ${status.expression} and ${status.value} get evaluated to? Where...
I would like to create an object client side and add it to another object. I'm using velocity and Spring. I form a command object and pass it to the view as a backing object. I want to create and add a new object to this command object without saving either object to the db. The reason for this is that I want to have some persistence...
Following the directions from Spring Source and the book Spring in Action, I am trying to set up Spring MVC in a way that minimizes xml configuration. However according to Spring Source this is how you set up the ControllerClassNameHandlerMap <bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"/> ...
I'm writing a Java web app using Spring MVC. I have a background process that goes through the database and finds notifications that must be e-mailed to my users. These e-mail messages need to include hyperlinks to the application. This seems like a fairly common pattern for a web app, but I'm having trouble. How do I derive my applicat...
I am using Spring MVC 2.5, and I am trying to get a JSTL form object to load from a GET request. I have Hibernate POJOs as my backing objects. There is one page directing to another page with a class id (row primary key) in the request. The request looks like "newpage.htm?name=RowId". This is going into a page with a form backing object...
What are the best practices in designing UI for hardware appliances? Are there any frameworks in Java that are particularly suited to this task? ...
I am trying to create a form to edit an existing database row. I am using the Spring MVC form tag to auto bind the html to a form backing object. The row has a many to many relationship with another table, which I am trying to represent with a multiple select box using the form:select tag; <form:select path="rules"> <form:options items...
In Spring MVC there seem to be two parallel class hierarchies, one with portlet, one without. What is that? Why is it so and what should I use. ...
Hi! We are discussing whether it's a good idea to switch from plain portlet development on a liferay installation to spring webmvc portlet based development. We're starting the development of some portlets soon, so now is the time. But the problem I see is that we'd like to use some of the portlet 2.0 features, which won't work with ve...
In a web application written using spring-MVC, I want to allow users to change the current language by clicking on a link which text is the name of the language. I have already set up a messageSource and made all my jsp pages find the messages using this messageSource. Currently, the language is changing depending on the locale of the ...