From 5ad67a15e8c06d35f7c77ccacb54c237240dc1c3 Mon Sep 17 00:00:00 2001 From: Henri Sara Date: Thu, 10 Nov 2016 09:08:53 +0200 Subject: [PATCH] Update Vaadin Spring documentation for 1.1.0 Change-Id: I8dcf5b7576a64b26419136ca6b8927f4c2731d60 --- .../advanced/advanced-spring.asciidoc | 104 +++++++++--------- 1 file changed, 49 insertions(+), 55 deletions(-) diff --git a/documentation/advanced/advanced-spring.asciidoc b/documentation/advanced/advanced-spring.asciidoc index 21b079076c..b2f63641fc 100644 --- a/documentation/advanced/advanced-spring.asciidoc +++ b/documentation/advanced/advanced-spring.asciidoc @@ -25,7 +25,7 @@ API documentation for add-ons is available at: * Vaadin Spring Boot API at link:https://vaadin.com/api/vaadin-spring-boot[vaadin.com/api/vaadin-spring-boot] To learn more about Vaadin Spring, the -link:https://vaadin.com/wiki/-/wiki/Main/Vaadin+Spring[Vaadin Spring Tutorial] +link:https://vaadin.github.io/spring-tutorial/[Vaadin Spring Tutorial] gives a hands-on introduction. The source code of the Spring Tutorial demo is available for browsing or cloning at link:https://github.com/Vaadin/spring-tutorial[github.com/Vaadin/spring-tutorial]. @@ -58,7 +58,7 @@ Framework Reference Documentation]. * link:http://projects.spring.io/spring-framework/[Spring Project] -* link:https://vaadin.com/wiki/-/wiki/Main/Vaadin+Spring[Vaadin Spring Tutorial] +* link:https://vaadin.github.io/spring-tutorial/[Vaadin Spring Tutorial] endif::web[] @@ -177,13 +177,12 @@ enables general Spring functionalities in a web application. You can use the Spring Initializr at link:https://start.spring.io/[start.spring.io] website to generate a project, -which you can then download as a package and import in your IDE. The generated -project is a Spring application stub; you need to add at least Vaadin -dependencies ( [literal]#++vaadin-spring-boot++#, [literal]#++vaadin-themes++#, -and [literal]#++vaadin-client-compiled++#) and a UI class to the generated -project, as well as a theme, and so forth. +which you can then download as a package and import in your IDE. Pick Vaadin as +a dependency on the site to include all the required Vaadin Spring dependencies +and auto-configuration.The generated project is a Spring application stub; you +need to add at least a UI class to the generated project. -See the link:https://vaadin.com/wiki/-/wiki/Main/Vaadin+Spring[Vaadin Spring +See the link:https://vaadin.github.io/spring-tutorial/[Vaadin Spring Tutorial] for detailed instructions for using Spring Boot. @@ -198,9 +197,9 @@ up the Development Environment">>. To install the Vaadin Spring and/or Vaadin Spring Boot add-ons, either define them as an Ivy or Maven dependency or download from the Vaadin Directory add-on -page at <<,vaadin.com/directory#addon/vaadin-spring>> or -<<,vaadin.com/directory#addon/vaadin-spring-boot>>. See -<> for general instructions for installing and using Vaadin add-ons. @@ -222,11 +221,17 @@ The Maven dependency is as follows: </dependency> ---- +For Vaadin Spring Boot, depending on [literal]#++vaadin-spring-boot-starter++# will +include all the required Vaadin dependencies. + + [[advanced.spring.preparing]] == Preparing Application for Spring A Vaadin application that uses Spring must have a file named [filename]#applicationContext.xml# in the [filename]#WEB-INF# directory. +Using Spring Initializr automatically generates a suitable file, but if +you configure Vaadin Spring manually, you can follow the model below. [subs="verbatim,replacements,quotes"] ---- @@ -249,7 +254,7 @@ A Vaadin application that uses Spring must have a file named </beans> ---- The application should not have a servlet extending [classname]#VaadinServlet#, -as Vaadin servlet has its own [classname]#VaadinSpringServlet# that is deployed +as Vaadin servlet has its own [classname]#SpringVaadinServlet# that is deployed automatically. If you need multiple servlets or need to customize the Vaadin Spring servlet, see <>. @@ -345,7 +350,7 @@ that scope. === [classname]#@UIScope# UI-scoped beans are uniquely identified within a UI instance, that is, a browser -window or tab. The lifecycle of UI-scoped beans is bound between to the +window or tab. The lifecycle of UI-scoped beans is bound between the initialization and closing of a UI. Whenever you inject a bean, as long as you are within the same UI, you will get the same instance. @@ -374,37 +379,37 @@ ifdef::web[] Vaadin Spring extends the navigation framework in Vaadin, described in <>. It manages Spring views with a special view provider and -enables view scoping. +enables view scoping. Furthermore, Vaadin Spring provides a customized navigator class +[classname]#SpringNavigator# that supports the scope functionality. + [[advanced.spring.navigation.ui]] === Preparing the UI -You can define navigation for any single-component container, as described in +You can define navigation for any single-component container, component container or bean +implementing [classname]#ViewDisplay#, as described in <>, but typically you set up navigation for the entire UI -content. To use Vaadin Spring views, you need to inject a -[classname]#SpringViewProvider# in the UI and add it as a provider for the -navigator. +content. The easiest way to set up navigation is to use the annotation +[classname]#@SpringViewDisplay# on the UI (in which case the whole contents of the UI are +replaced on navigation) or on any UI scoped bean implementing one of the above mentioned +interfaces. [source, java] ---- @SpringUI(path="/myspringui") +@SpringViewDisplay public class MySpringUI extends UI { - @Autowired - SpringViewProvider viewProvider; - @Override protected void init(VaadinRequest request) { - Navigator navigator = new Navigator(this, this); - navigator.addProvider(viewProvider); - - // Navigate to start view - navigator.navigateTo(""); } } ---- +If not using Spring Boot, auto-configuration of navigation can be enabled with the annotation +@EnableVaadinNavigation on a configuration class. + [[advanced.spring.navigation.view]] === The View @@ -445,20 +450,8 @@ It is a recommended pattern to have the view name in a static member constant in the view class, as was done in the example previously, so that the name can be referred to safely. -supportsParameters:: Specifies whether view parameters can be passed to the view as a suffix to the -name in the navigation state, that is, in the form of -[literal]#++viewname+viewparameters++#. The view name is merely a prefix and -there is no separator nor format for the parameters, but those are left for the -view to handle. The parameter support mode is disabled by default. - - + -[source, java] ----- -@SpringView(name="myview", supportsParameters=true) ----- -+ -You could then navigate to the state with a URI fragment such as +You can also navigate to a view with a URI fragment such as [literal]#++#!myview/someparameter++# or programmatically with: @@ -471,12 +464,6 @@ getUI().getNavigator().navigateTo("myview/someparameter"); The [methodname]#enter()# method of the view gets the URI fragment as parameter as is and can interpret it in any application-defined way. -+ -Note that in this mode, matching a navigation state to a view is done by the -prefix of the fragment! Thereby, no other views may start with the name of the -view as prefix. For example, if the view name is " [literal]#++main++#", you -must not have a view named " [literal]#++maintenance++#". - uis:: If the application has multiple UIs that use [classname]#SpringViewProvider#, you can use this parameter to specify which UIs can show the view. @@ -556,33 +543,40 @@ by additional unofficial add-ons on top of Vaadin Spring. [[advanced.spring.accesscontrol.accessdenied]] === Access Denied View -By default, the view provider acts as if a denied view didn't exist. You can set +If access to a view is denied by an access control bean, the access denied view +is shown for it. For non-existing views, the error view is shown. You can set up an "Access Denied" view that is shown if the access is denied with -[methodname]#setAccessDeniedView()# in [classname]#SpringViewProvider#. +[methodname]#setAccessDeniedViewClass()# in [classname]#SpringViewProvider#, +and an error view with [methodname]#setErrorView()# in [classname]#SpringNavigator#. +The same view can also be used both as an access denied view and as an error +view to hide the existence of views the user is not allowed to access. [source, java] ---- @Autowired SpringViewProvider viewProvider; +@Autowired +SpringNavigator navigator; @Override protected void init(VaadinRequest request) { - Navigator navigator = new Navigator(this, this); - navigator.addProvider(viewProvider); - // Set up access denied view viewProvider.setAccessDeniedViewClass( MyAccessDeniedView.class); + // Set up error view + navigator.setErrorView(MyErrorView.class); ---- +Note that the error view can also be a class with which an error view bean is +found. In this case, the error view must be UI scoped. [[advanced.spring.deployment]] == Deploying Spring UIs and Servlets Vaadin Spring hooks into Vaadin framework by using a special -[classname]#VaadinSpringServlet#. As described earlier, you do not need to map +[classname]#SpringVaadinServlet#. As described earlier, you do not need to map an URL path to a UI, as it is handled by Vaadin Spring. However, in the following, we go through some cases where you need to customize the servlet or use Spring with non-Spring servlets and UIs in a web application. @@ -593,7 +587,7 @@ use Spring with non-Spring servlets and UIs in a web application. When customizing the Vaadin servlet, as outlined in <>, you simply need to extend -[classname]#com.vaadin.spring.internal.VaadinSpringServlet# instead of +[classname]#com.vaadin.spring.server.SpringVaadinServlet# instead of [classname]#com.vaadin.servlet.VaadinServlet#. [subs="normal"] @@ -611,7 +605,7 @@ an Application">>. [[advanced.spring.deployment.urlmapping]] === Defining Servlet Root -Spring UIs are managed by a Spring servlet ( [classname]#VaadinSpringServlet#), +Spring UIs are managed by a Spring servlet ( [classname]#SpringVaadinServlet#), which is by default mapped to the root of the application context. For example, if the name of a Spring UI is " [literal]#++my-spring-ui++#" and application context is [literal]#++/myproject++#, the UI would by default have URL " @@ -648,7 +642,7 @@ You can also map the Spring servlet to another URL in servlet definition in [[advanced.spring.servlets.mixing]] === Mixing With Other Servlets -The [classname]#VaadinSpringServlet# is normally used as the default servlet, +The [classname]#SpringVaadinServlet# is normally used as the default servlet, but if you have other servlets in the application, such as for non-Spring UIs, you need to define the Spring servlet explicitly in the [filename]#web.xml#. You can map the servlet to any URL path, but perhaps typically, you define it as the @@ -661,7 +655,7 @@ default servlet as follows, and map the other servlets to other URL paths: <servlet> <servlet-name>Default</servlet-name> <servlet-class> - com.vaadin.spring.internal.VaadinSpringServlet + com.vaadin.spring.server.SpringVaadinServlet </servlet-class> </servlet> -- 2.39.5