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Replace web.xml by PetclinicInitializer

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This commit is contained in:
Antoine Rey 2016-07-05 18:31:47 +02:00
parent 835f53da30
commit 1a6572d1ac
3 changed files with 113 additions and 120 deletions
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4
readme.md
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@ -96,7 +96,7 @@ File -> Import -> Maven -> Existing Maven project
<td>
<a href="/src/main/webapp/WEB-INF/jsp/owners/ownersList.jsp">ownersList.jsp</a>
<a href="/src/main/webapp/WEB-INF/jsp/vets/vetList.jsp">vetList.jsp</a>
<a href="/src/main/webapp/WEB-INF/web.xml">web.xml</a>
<a href="/src/main/java/org/springframework/samples/petclinic/PetclinicInitializer.java">PetclinicInitializer.java</a>
<a href="/src/main/resources/dandelion/datatables/datatables.properties">datatables.properties</a>
</td>
</tr>
@ -135,7 +135,7 @@ File -> Import -> Maven -> Existing Maven project
<td>
<a href="/src/main/resources/spring/business-config.xml">business-config.xml</a>
<a href="/src/test/java/org/springframework/samples/petclinic/service/ClinicServiceJdbcTests.java">ClinicServiceJdbcTests.java</a>
<a href="/src/main/webapp/WEB-INF/web.xml">web.xml</a>
<a href="/src/main/java/org/springframework/samples/petclinic/PetclinicInitializer.java">PetclinicInitializer.java</a>
</td>
</tr>
<tr>

111
src/main/java/org/springframework/samples/petclinic/PetclinicInitializer.java Normal file
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@ -0,0 +1,111 @@
/*
* Copyright 2002-2016 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.samples.petclinic;
import com.github.dandelion.core.web.DandelionFilter;
import com.github.dandelion.core.web.DandelionServlet;
import com.github.dandelion.datatables.core.web.filter.DatatablesFilter;
import org.springframework.util.Assert;
import org.springframework.web.WebApplicationInitializer;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.XmlWebApplicationContext;
import org.springframework.web.filter.CharacterEncodingFilter;
import org.springframework.web.servlet.DispatcherServlet;
import org.springframework.web.servlet.support.AbstractDispatcherServletInitializer;
import javax.servlet.*;
import java.util.EnumSet;
/**
* In Servlet 3.0+ environments, this class replaces the traditional {@code web.xml}-based approach in order to configure the
* {@link ServletContext} programmatically.
* <p/>
* Create the Spring "<strong>root</strong>" application context.<br/>
* Register a {@link DispatcherServlet} and a {@link DandelionServlet} in the servlet context.<br/>
* For both servlets, register a {@link CharacterEncodingFilter}, a {@link DandelionFilter} an a {@link DatatablesFilter}.
* <p/>
*
* @author Antoine Rey
*/
public class PetclinicInitializer extends AbstractDispatcherServletInitializer {
/**
* Spring profile used to choose the persistence layer implementation.
* <p/>
* When using Spring jpa, use: jpa
* When using Spring JDBC, use: jdbc
* When using Spring Data JPA, use: spring-data-jpa
*/
private static final String SPRING_PROFILE = "jpa";
private static final String DANDELION_SERVLET = "dandelionServlet";
@Override
public void onStartup(ServletContext servletContext) throws ServletException {
super.onStartup(servletContext);
registerDandelionServlet(servletContext);
}
@Override
protected WebApplicationContext createRootApplicationContext() {
XmlWebApplicationContext rootAppContext = new XmlWebApplicationContext();
rootAppContext.setConfigLocations("classpath:spring/business-config.xml", "classpath:spring/tools-config.xml");
rootAppContext.getEnvironment().setActiveProfiles(SPRING_PROFILE);
return rootAppContext;
}
@Override
protected WebApplicationContext createServletApplicationContext() {
XmlWebApplicationContext webAppContext = new XmlWebApplicationContext();
webAppContext.setConfigLocation("classpath:spring/mvc-core-config.xml");
return webAppContext;
}
@Override
protected String[] getServletMappings() {
return new String[]{"/"};
}
@Override
protected Filter[] getServletFilters() {
// Used to provide the ability to enter Chinese characters inside the Owner Form
CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter("UTF-8", true);
// Dandelion filter definition and mapping -->
DandelionFilter dandelionFilter = new DandelionFilter();
// Dandelion-Datatables filter, used for basic export -->
DatatablesFilter datatablesFilter = new DatatablesFilter();
return new Filter[]{characterEncodingFilter, dandelionFilter, datatablesFilter};
}
@Override
protected FilterRegistration.Dynamic registerServletFilter(ServletContext servletContext, Filter filter) {
FilterRegistration.Dynamic registration = super.registerServletFilter(servletContext, filter);
registration.addMappingForServletNames(EnumSet.of(DispatcherType.REQUEST, DispatcherType.FORWARD, DispatcherType.INCLUDE), false, DANDELION_SERVLET);
return registration;
}
private void registerDandelionServlet(ServletContext servletContext) {
DandelionServlet dandelionServlet = new DandelionServlet();
ServletRegistration.Dynamic registration = servletContext.addServlet(DANDELION_SERVLET, dandelionServlet);
registration.setLoadOnStartup(2);
registration.addMapping("/dandelion-assets/*");
}
}

118
src/main/webapp/WEB-INF/web.xml
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@ -1,118 +0,0 @@
<?xml version="1.0" encoding="ISO-8859-1"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
version="3.0" metadata-complete="true">
<display-name>Spring PetClinic</display-name>
<description>Spring PetClinic sample application</description>
<!-- When using Spring jpa, use the following: -->
<context-param>
<param-name>spring.profiles.active</param-name>
<param-value>jpa</param-value>
</context-param>
<!-- When using Spring JDBC, use the following: -->
<!-- <context-param>
<param-name>spring.profiles.active</param-name>
<param-value>jdbc</param-value>
</context-param> -->
<!-- the CallMonitoringAspect counts invocations on classes with @Repository on them. Classes in spring-data-jpa don't have that annotation -->
<!-- When using Spring Data JPA, uncomment the following: -->
<!--
<context-param>
<param-name>spring.profiles.active</param-name>
<param-value>spring-data-jpa</param-value>
</context-param>
-->
<!--
- Location of the XML file that defines the root application context.
- Applied by ContextLoaderListener.
-->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/business-config.xml, classpath:spring/tools-config.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--
- Servlet that dispatches request to registered handlers (Controller implementations).
-->
<servlet>
<servlet-name>petclinic</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring/mvc-core-config.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>petclinic</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!-- Dandelion servlet definition and mapping -->
<servlet>
<servlet-name>dandelionServlet</servlet-name>
<servlet-class>com.github.dandelion.core.web.DandelionServlet</servlet-class>
<load-on-startup>2</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dandelionServlet</servlet-name>
<url-pattern>/dandelion-assets/*</url-pattern>
</servlet-mapping>
<!-- used to provide the ability to enter Chinese characters inside the Owner Form -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Dandelion filter definition and mapping -->
<filter>
<filter-name>dandelionFilter</filter-name>
<filter-class>com.github.dandelion.core.web.DandelionFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>dandelionFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- Dandelion-Datatables filter, used for basic export -->
<filter>
<filter-name>datatables</filter-name>
<filter-class>com.github.dandelion.datatables.core.web.filter.DatatablesFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>datatables</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!-- No need for welcome-file declaration here.
See inside spring/mvc-core-config.xml :
<mvc:view-controller path="/" view-name="welcome" />
-->
</web-app>