Spring4 Bean Dependency Injection Project

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



 

    
package com.cv.spring.scope;

/**
 @author Chandra Vardhan
 */
public class Address {

  private String street;

  private String city;

  private String state;

  public String getStreet() {
    return street;
  }

  public void setStreet(String street) {
    this.street = street;
  }

  public String getCity() {
    return city;
  }

  public void setCity(String city) {
    this.city = city;
  }

  public String getState() {
    return state;
  }

  public void setState(String state) {
    this.state = state;
  }

  @Override
  public String toString() {
    return "Address [street = " + street + ", city = " + city + ", state = "
        + state + "]";
  }

}


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



 

    
package com.cv.spring.scope;

import org.apache.log4j.Logger;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 @author Chandra Vardhan
 */
public class MainProgram {

  private final static Logger LOGGER = Logger.getLogger(MainProgram.class);

  public static void main(String[] args) {

    ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(
        "beans.xml");

    Student student = (Studentcontext.getBean("student");

    LOGGER.info("=========================================================");

    LOGGER.info("Student details are : : " + student.details());

    LOGGER.info("=========================================================");
    context.close();
  }
}


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



 

    
package com.cv.spring.scope;

/**
 @author Chandra Vardhan
 */
public class Student {

  private String name;
  private String id;
  private Address address;

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }

  public Address getAddress() {
    return address;
  }

  public void setAddress(Address address) {
    this.address = address;
  }


  public String details() {
    return "Student [name = " + name + ", id = " + id + ", address = " + address
        "]";

  }

}


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.scope</groupId> <name>Spring4BeanDependencyInjection</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>4.2.0.RELEASE</org.springframework-version> </properties> <dependencies> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>${org.springframework-version}</version> </dependency> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>${log4j.version}</version> </dependency> </dependencies> <build> <pluginManagement> <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> </pluginManagement> </build> <artifactId>Spring4BeanDependencyInjection</artifactId> </project>




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



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


<beans:bean id="student" class="com.cv.spring.scope.Student">
<beans:property name="name" value="CHANDRA VARDHAN"></beans:property>
<beans:property name="id" value="VL1055"></beans:property>
<beans:property name="address" ref="address"></beans:property>
</beans:bean>

<beans:bean id="address" class="com.cv.spring.scope.Address" >
<beans:property name="street" value="KUKAT"></beans:property>
<beans:property name="city" value="HYD"></beans:property>
<beans:property name="state" value="INDIA"></beans:property>
</beans:bean>

</beans: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

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