Spring 4 MVC Parameterizable View Controller

spring+4+mvc+parameterizable+view+controller

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This is home.html JSP file and it is used display the output for the application.



<html>

<body>

	<h1>Spring4 MVC Parameterizable View Controller Example</h1>


	<h3><a href="./welcome.htm">Click here to get welcome page!!!</a></h3>


</body>

</html>



This is WelcomePage.jsp JSP file and it is used display the output for the application.


<html>

<body>

<h2>ParameterizableViewController Example</h2>

</body>

</html>








This is WelcomeController.java file having the controller logic and it will have the services defined in it.




  
  








 

    
package com.cv.spring.common.controller;



import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.ModelAndView;

import org.springframework.web.servlet.mvc.AbstractController;



/**

* @author Chandra Vardhan

*/

public class WelcomeController extends AbstractController{

  

  @Override

  protected ModelAndView handleRequestInternal(HttpServletRequest request,

      HttpServletResponse response) throws Exception {



    ModelAndView model = new ModelAndView("WelcomePage");

    return model;

    

  }

  

}

    





















This is pom.xml file having the entries of dependency jars and information to build the application .

	
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.cv.spring.common</groupId>
	<packaging>war</packaging>
	<version>1.0</version>
	<name>SpringMVC Maven Webapp</name>
	http://maven.apache.org
	<properties>
		<spring.version>4.2.0.RELEASE</spring.version>
		<hibernate.version>4.3.5.Final</hibernate.version>
		<log4j-version>1.2.17</log4j-version>
		<java.version>1.8</java.version>
	</properties>


	<dependencies>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>
		
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>1.2.2</version>
		</dependency>

		
		<dependency>
			<groupId>commons-io</groupId>
			<artifactId>commons-io</artifactId>
			<version>1.3.2</version>
		</dependency>

		
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>1.1.2</version>
		</dependency>

		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${log4j.version}</version>
		</dependency>

		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			provided
		</dependency>
		<dependency>
			<groupId>taglibs</groupId>
			<artifactId>standard</artifactId>
			<version>1.1.2</version>
		</dependency>

	</dependencies>
	<build>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<version>3.3</version>
				<configuration>
					<source>${java.version}</source>
					<target>${java.version}</target>
				</configuration>
			</plugin>
			<plugin>
				<groupId>org.apache.maven.plugins</groupId>
				<artifactId>maven-war-plugin</artifactId>
				<version>2.4</version>
				<configuration>
					<warSourceDirectory>src/main/webapp</warSourceDirectory>
					<warName>Spring4MVCParameterizableViewController</warName>
					<failOnMissingWebXml>false</failOnMissingWebXml>
				</configuration>
			</plugin>
		</plugins>
	</build>
	<artifactId>Spring4MVCParameterizableViewController</artifactId>
</project>










This is mvc-dispatcher-servlet.xml spring configuration file and these entries are used in the application.

 

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.0.xsd">

	<bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
		<property name="mappings">
			<props>
				<prop key="/welcome.htm">welcomeController</prop>
			</props>
		</property>
	</bean>
	<bean name="welcomeController"
		class="org.springframework.web.servlet.mvc.ParameterizableViewController">
		<property name="viewName" value="WelcomePage" />
	</bean>
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.InternalResourceViewResolver">
		<property name="prefix">
			<value>/WEB-INF/pages/</value>
		</property>
		<property name="suffix">
			<value>.jsp</value>
		</property>
	</bean>
</beans>







This is web.xml deployment descriptor file and it describes how the web application should be deployed.

	
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee 
		 http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">
  <display-name>Spring Web MVC Application</display-name>
  
  <servlet>
  	<servlet-name>mvc-dispatcher</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  
  <servlet-mapping>
 	<servlet-name>mvc-dispatcher</servlet-name>
    <url-pattern>*.htm</url-pattern>
  </servlet-mapping>
  <context-param>
	<param-name>contextConfigLocation</param-name>
	<param-value>/WEB-INF/mvc-dispatcher-servlet.xml</param-value>
  </context-param>
  
  <listener>
    <listener-class>
      org.springframework.web.context.ContextLoaderListener
    </listener-class>
  </listener>
  
  <error-page>
	<error-code>404</error-code>
	<location>/WEB-INF/pages/404.jsp</location>
  </error-page>
  <error-page>
	<exception-type>java.lang.Exception</exception-type>
	<location>/WEB-INF/pages/404.jsp</location>
  </error-page>
  
  <welcome-file-list>
  <welcome-file>home.html</welcome-file>
  </welcome-file-list>
  
</web-app>












This is log4j.properties file having the entries for logging the information into the console/file. 


#By default enabling Console appender
# Root logger option
log4j.rootLogger=INFO, stdout

# Redirect log messages to console
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.Target=System.out
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%-5p [%c]:%L -->> %m%n

# Redirect log messages to a log file
#log4j.appender.file=org.apache.log4j.RollingFileAppender
#log4j.appender.file.File=C:\servlet-application.log
#log4j.appender.file.MaxFileSize=5MB
#log4j.appender.file.MaxBackupIndex=10
#log4j.appender.file.layout=org.apache.log4j.PatternLayout
#log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n











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