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BAEL-82 (#4198) 

* BAEL-82 revised example code

* Fix the build

* Modified example

* Clarified commented out sections of the code.
This commit is contained in:
Alessio Stalla 2018-05-09 14:17:45 +02:00 committed by KevinGilmore
parent afd7079968
commit 1b8a00e6d4
11 changed files with 84 additions and 80 deletions
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24
spring-all/src/main/java/com/baeldung/contexts/config/AnnotationsBasedApplicationAndServletInitializer.java
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@ -1,6 +1,5 @@
package com.baeldung.contexts.config;
import org.springframework.web.context.AbstractContextLoaderInitializer;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.support.AbstractDispatcherServletInitializer;
@ -9,20 +8,29 @@ public class AnnotationsBasedApplicationAndServletInitializer extends AbstractDi
@Override
protected WebApplicationContext createRootApplicationContext() {
AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
rootContext.register(RootApplicationConfig.class);
return rootContext;
//If this is not the only class declaring a root context, we return null because it would clash
//with other classes, as there can only be a single root context.
//AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext();
//rootContext.register(RootApplicationConfig.class);
//return rootContext;
return null;
}
@Override
protected WebApplicationContext createServletApplicationContext() {
AnnotationConfigWebApplicationContext secureWebAppContext = new AnnotationConfigWebApplicationContext();
secureWebAppContext.register(SecureWebAppConfig.class);
return secureWebAppContext;
AnnotationConfigWebApplicationContext normalWebAppContext = new AnnotationConfigWebApplicationContext();
normalWebAppContext.register(NormalWebAppConfig.class);
return normalWebAppContext;
}
@Override
protected String[] getServletMappings() {
return new String[] { "/s/api/*" };
return new String[] { "/api/*" };
}
@Override
protected String getServletName() {
return "normal-dispatcher";
}
}

19
spring-all/src/main/java/com/baeldung/contexts/config/ApplicationInitializer.java
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@ -16,7 +16,11 @@ public class ApplicationInitializer implements WebApplicationInitializer {
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
//XML Context
//Here, we can define a root context and register servlets, among other things.
//However, since we've later defined other classes to do the same and they would clash,
//we leave this commented out.
//Root XML Context
//XmlWebApplicationContext rootContext = new XmlWebApplicationContext();
//rootContext.setConfigLocations("/WEB-INF/rootApplicationContext.xml");
//Annotations Context
@ -24,12 +28,13 @@ public class ApplicationInitializer implements WebApplicationInitializer {
//rootContext.register(RootApplicationConfig.class);
//Registration
//servletContext.addListener(new ContextLoaderListener(rootContext));
XmlWebApplicationContext normalWebAppContext = new XmlWebApplicationContext();
normalWebAppContext.setConfigLocation("/WEB-INF/normal-webapp-servlet.xml");
ServletRegistration.Dynamic normal = servletContext.addServlet("normal-webapp", new DispatcherServlet(normalWebAppContext));
normal.setLoadOnStartup(1);
normal.addMapping("/api/*");
//Dispatcher Servlet
//XmlWebApplicationContext normalWebAppContext = new XmlWebApplicationContext();
//normalWebAppContext.setConfigLocation("/WEB-INF/normal-webapp-servlet.xml");
//ServletRegistration.Dynamic normal = servletContext.addServlet("normal-webapp", new DispatcherServlet(normalWebAppContext));
//normal.setLoadOnStartup(1);
//normal.addMapping("/api/*");
}
}

32
spring-all/src/main/java/com/baeldung/contexts/config/SecureAnnotationsBasedApplicationAndServletInitializer.java Normal file
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@ -0,0 +1,32 @@
package com.baeldung.contexts.config;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.AnnotationConfigWebApplicationContext;
import org.springframework.web.servlet.support.AbstractDispatcherServletInitializer;
public class SecureAnnotationsBasedApplicationAndServletInitializer extends AbstractDispatcherServletInitializer {
@Override
protected WebApplicationContext createRootApplicationContext() {
return null;
}
@Override
protected WebApplicationContext createServletApplicationContext() {
AnnotationConfigWebApplicationContext secureWebAppContext = new AnnotationConfigWebApplicationContext();
secureWebAppContext.register(SecureWebAppConfig.class);
return secureWebAppContext;
}
@Override
protected String[] getServletMappings() {
return new String[] { "/s/api/*" };
}
@Override
protected String getServletName() {
return "secure-dispatcher";
}
}

2
spring-all/src/main/java/com/baeldung/contexts/normal/HelloWorldController.java
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@ -35,7 +35,7 @@ public class HelloWorldController {
@RequestMapping(path = "/welcome")
public ModelAndView helloWorld() {
processContext();
String message = "<br><div style='text-align:center;'>" + "<h3> " + greeterService.greet() + "</h3></div>";
String message = "<br><div style='text-align:center;'>" + "<h3>Normal " + greeterService.greet() + "</h3></div>";
return new ModelAndView("welcome", "message", message);
}
}

2
spring-all/src/main/java/com/baeldung/contexts/secure/HelloWorldSecureController.java
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@ -43,7 +43,7 @@ public class HelloWorldSecureController {
@RequestMapping(path = "/welcome")
public ModelAndView helloWorld() {
processContext();
String message = "<br><div style='text-align:center;'>" + "<h3> " + greeterService.greet() + "</h3></div>";
String message = "<br><div style='text-align:center;'>" + "<h3>Secure " + greeterService.greet() + "</h3></div>";
return new ModelAndView("welcome", "message", message);
}
}

9
spring-all/src/main/java/org/baeldung/controller/config/StudentControllerConfig.java
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@ -19,10 +19,13 @@ public class StudentControllerConfig implements WebApplicationInitializer {
root.setServletContext(sc);
// Manages the lifecycle of the root application context
sc.addListener(new ContextLoaderListener(root));
//Manages the lifecycle of the root application context.
//Conflicts with other root contexts in the application, so we've manually set the parent below.
//sc.addListener(new ContextLoaderListener(root));
DispatcherServlet dv = new DispatcherServlet(new GenericWebApplicationContext());
GenericWebApplicationContext webApplicationContext = new GenericWebApplicationContext();
webApplicationContext.setParent(root);
DispatcherServlet dv = new DispatcherServlet(webApplicationContext);
ServletRegistration.Dynamic appServlet = sc.addServlet("test-mvc", dv);
appServlet.setLoadOnStartup(1);

9
spring-all/src/main/java/org/baeldung/spring/config/MainWebAppInitializer.java
View File

@ -26,11 +26,14 @@ public class MainWebAppInitializer implements WebApplicationInitializer {
root.scan("org.baeldung.spring.config");
// root.getEnvironment().setDefaultProfiles("embedded");
// Manages the lifecycle of the root application context
sc.addListener(new ContextLoaderListener(root));
//Manages the lifecycle of the root application context.
//Conflicts with other root contexts in the application, so we've manually set the parent below.
//sc.addListener(new ContextLoaderListener(root));
// Handles requests into the application
final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(new GenericWebApplicationContext()));
GenericWebApplicationContext webApplicationContext = new GenericWebApplicationContext();
webApplicationContext.setParent(root);
final ServletRegistration.Dynamic appServlet = sc.addServlet("mvc", new DispatcherServlet(webApplicationContext));
appServlet.setLoadOnStartup(1);
final Set<String> mappingConflicts = appServlet.addMapping("/");
if (!mappingConflicts.isEmpty()) {

11
spring-all/src/main/webapp/WEB-INF/normal-webapp-servlet.xml
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@ -1,12 +1,9 @@
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.baeldung.contexts.normal" />

11
spring-all/src/main/webapp/WEB-INF/secure-webapp-servlet.xml
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@ -1,12 +1,9 @@
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="
http://www.springframework.org/schema/beans
xmlns:context="http://www.springframework.org/schema/context"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.baeldung.contexts.secure" />

4
spring-all/src/main/webapp/WEB-INF/web.xml
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@ -8,8 +8,8 @@
application initializers. -->
<!--<absolute-ordering>
</absolute-ordering>-->
<!-- load root application context -->
<!-- root application context -->
<!--<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener

41
spring-all/src/main/webapp/WEB-INF/web_old.xml
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@ -1,41 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
xsi:schemaLocation="
http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"
>
<display-name>Spring MVC Application</display-name>
<!-- Spring root -->
<context-param>
<param-name>contextClass</param-name>
<param-value>
org.springframework.web.context.support.AnnotationConfigWebApplicationContext
</param-value>
</context-param>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>org.baeldung.spring.web.config</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Spring child -->
<servlet>
<servlet-name>mvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
</web-app>