Spring Component Include Exclude XML Project

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This is EmployeeDao.java file having the DAO logic to access the database information.

package com.cv.spring.annotation.component.dao; import com.cv.spring.annotation.component.model.Employee; /**  * @author Chandra Vardhan  */ public interface EmployeeDao {   public Employee createNewEmployee(); }

This is EmployeeDaoImpl.java file having the DAO logic to access the database information.

package com.cv.spring.annotation.component.dao; import org.springframework.stereotype.Repository; import com.cv.spring.annotation.component.model.Employee; /**  * @author Chandra Vardhan  */ @Repository public class EmployeeDaoImpl implements EmployeeDao {   public Employee createNewEmployee() {     Employee e = new Employee();     e.setId(1);     e.setFirstName("Chandra");     e.setLastName("Vardhan");     return e;   } }

This is Employee.java file having the source code to execute business logic.

package com.cv.spring.annotation.component.model; /**  * @author Chandra Vardhan  */ public class Employee {   private Integer id;   private String firstName;   private String lastName;   public Integer getId() {     return id;   }   public void setId(Integer id) {     this.id = id;   }   public String getFirstName() {     return firstName;   }   public void setFirstName(String firstName) {     this.firstName = firstName;   }   public String getLastName() {     return lastName;   }   public void setLastName(String lastName) {     this.lastName = lastName;   }   @Override   public String toString() {     return "Employee [id=" + id + ", firstName=" + firstName         + ", lastName=" + lastName + "]";   } }

This is EmployeeService.java file having the service/business logic to call the DAO layer and get the information from database.

package com.cv.spring.annotation.component.service; import com.cv.spring.annotation.component.model.Employee; /**  * @author Chandra Vardhan  */ public interface EmployeeService {   public Employee createNewEmployee(); }

This is EmployeeServiceImpl.java file having the service/business logic to call the DAO layer and get the information from database.

package com.cv.spring.annotation.component.service; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import com.cv.spring.annotation.component.dao.EmployeeDao; import com.cv.spring.annotation.component.model.Employee; /**  * @author Chandra Vardhan  */ @Service public class EmployeeServiceImpl implements EmployeeService {      @Autowired   EmployeeDao dao;   public Employee createNewEmployee() {     return dao.createNewEmployee();   } }

This is TestSpringContext.java file having the source code to execute business logic.

package com.cv.spring.annotation.component; import org.apache.log4j.Logger; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import com.cv.spring.annotation.component.service.EmployeeService; /**  * @author Chandra Vardhan  */ public class TestSpringContext {      private final static Logger LOGGER = Logger.getLogger(TestSpringContext.class);   public static void main(String[] args) {     ApplicationContext context = new ClassPathXmlApplicationContext(         "spring.xml");     // OR this will also work     EmployeeService manager = (EmployeeService) context         .getBean("employeeService");     LOGGER.info(manager.createNewEmployee());   } }

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">.0" encoding="UTF-8"?> <modelVersion>4.0.0</modelVersion> <groupId>com.cv.spring.annotation</groupId> <artifactId>SpringComponentIncludeExcludeXML</artifactId> <name>SpringComponentIncludeExcludeXML</name> <packaging>jar</packaging> <version>1.0</version> <properties> <java-version>1.8</java-version> <log4j-version>1.2.16</log4j-version> <org.springframework-version>4.1.6.RELEASE</org.springframework-version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${org.springframework-version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>${org.springframework-version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${org.springframework-version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>${org.springframework-version}</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> <dependency> <groupId>javax.inject</groupId> <artifactId>javax.inject</artifactId> <version>1</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.1</version> <configuration> <source>1.8</source> <target>1.8</target> </configuration> </plugin> </plugins> </build> </project>

This is spring.xml file having the spring configuration properties.

<beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" 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-4.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd"> <context:component-scan base-package="com.cv.spring.annotation.component.service" /> <bean id="employeeService" class="com.cv.spring.annotation.component.service.EmployeeServiceImpl" /> <bean id="employeeDao" class="com.cv.spring.annotation.component.dao.EmployeeDaoImpl" /> </beans>

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