Spring 4 MVC Bean Name Url Handler Mapping

spring+4+mvc+bean+name+url+handler+mapping

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



<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<html>

<head>

<title>Spring 4 MVC BeanName URL Handler Mapping !!!</title>

</head>

<body>


	<h1>Spring 4 MVC BeanName URL Handler Mapping !!!</h1>


	<h2>${msg}</h2>


</body>

</html>








This is HelloWorldController.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.apache.log4j.Logger;

import org.springframework.web.servlet.ModelAndView;

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



/**

 * @author Chandra Vardhan

 */

public class HelloWorldController extends AbstractController {

  static final Logger LOGGER = Logger.getLogger(HelloWorldController.class);



  @Override

  protected ModelAndView handleRequestInternal(HttpServletRequest request,

      HttpServletResponse response) throws Exception {

    LOGGER.info("In handleRequestInternal(- -)");

    ModelAndView model = new ModelAndView("HelloWorldPage");

    model.addObject("msg", "hello world");

    LOGGER.info("Out handleRequestInternal(- -)");

    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>
  <artifactId>Spring4MVCBeanNameUrlHandlerMapping</artifactId>
  <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>
	</properties>

	<dependencies>

		
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</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>javax.servlet</groupId>
			<artifactId>servlet-api</artifactId>
			<version>2.5</version>
			provided
		</dependency>
		<dependency>
			<groupId>jstl</groupId>
			<artifactId>jstl</artifactId>
			<version>1.2</version>
		</dependency>

		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>1.2.16</version>
		</dependency>
	</dependencies>

	<build>
		<finalName>Spring4MVCBeanNameUrlHandlerMapping</finalName>
		<plugins>
			<plugin>
				<artifactId>maven-compiler-plugin</artifactId>
				<configuration>
					<source>1.8</source>
					<target>1.8</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>Spring4MVCBeanNameUrlHandlerMapping</warName>
					<failOnMissingWebXml>false</failOnMissingWebXml>
				</configuration>
			</plugin>
		</plugins>
	</build>
</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"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans-2.5.xsd">
	<bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/>
	
	<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>
	<bean name="/welcome.htm" class="com.cv.spring.common.controller.HelloWorldController" />
</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>
  	
</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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