spring+autowire+bytype+byname+constuctor
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This is AutowireTestByAutoDetect.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author Chandra Vardhan
*
*/
public class AutowireTestByAutoDetect {
/**
* @param args
*/
public static void main(String[] args) {
String configLocation = "autoDetect.xml";
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
configLocation);
String name = "kenny";
Performer performer = (Performer) applicationContext.getBean(name);
performer.perform();
}
} |
This is AutowireTestByConstructor.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author Chandra Vardhan
*
*/
public class AutowireTestByConstructor {
/**
* @param args
*/
public static void main(String[] args) {
String configLocation = "byConstructor.xml";
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
configLocation);
String name = "instrumentList";
Performer performer = (Performer) applicationContext.getBean(name);
performer.perform();
}
} |
This is AutowireTestByName.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author Chandra Vardhan
*
*/
public class AutowireTestByName {
private final static Logger LOGGER = Logger.getLogger(AutowireTestByName.class);
/**
* @param args
*/
public static void main(String[] args) {
String configLocation = "byName.xml";
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
configLocation);
String name = "kenny";
Performer performer = (Performer) applicationContext.getBean(name);
performer.perform();
LOGGER.info("============================================");
}
} |
This is AutowireTestByType.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* @author Chandra Vardhan
*
*/
public class AutowireTestByType {
private final static Logger LOGGER = Logger.getLogger(AutowireTestByType.class);
/**
* @param args
*/
public static void main(String[] args) {
String configLocation = "byType.xml";
ApplicationContext applicationContext = new ClassPathXmlApplicationContext(
configLocation);
String name = "kenny";
Performer performer = (Performer) applicationContext.getBean(name);
performer.perform();
LOGGER.info("============================================");
}
} |
This is Gitter.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
/**
* @author Chandra Vardhan
*
*/
public class Gitter implements Instrument {
private final static Logger LOGGER = Logger.getLogger(Gitter.class);
public Gitter() {
}
public void play() {
LOGGER.info("TO TO TI TI TE TE...TOOOOOO");
}
} |
This is Harmonia.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
/**
* @author Chandra Vardhan
*
*/
public class Harmonia implements Instrument {
private final static Logger LOGGER = Logger.getLogger(Harmonia.class);
public Harmonia() {
}
public void play() {
LOGGER.info("HAR HAR...moooo moooooo...Harmonia");
}
} |
This is Instrument.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
/**
* @author Chandra Vardhan
*
*/
public interface Instrument {
void play();
} |
This is InstrumentList.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
/**
* @author Chandra Vardhan
*
*/
public class InstrumentList implements Performer {
private final static Logger LOGGER = Logger.getLogger(InstrumentList.class);
private String song;
private Instrument instrument;
public InstrumentList(Instrument instrument) {
this.instrument = instrument;
}
public InstrumentList() {
}
public Instrument getInstrument() {
return instrument;
}
@Autowired
public void setInstrument(Instrument instrument) {
this.instrument = instrument;
}
public String getSong() {
return song;
}
public void setSong(String song) {
this.song = song;
}
public void perform() {
LOGGER.info("Playing " + song);
instrument.play();
}
}
|
This is Jugg.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
/**
* @author Chandra Vardhan
*
*/
public class Jugg implements Performer {
private final static Logger LOGGER = Logger.getLogger(Jugg.class);
private int beanBags = 3;
public Jugg() {
}
public Jugg(int beanBags) {
this.beanBags = beanBags;
}
public void perform() {
LOGGER.info("JUGGLING " + beanBags + " BEANBAGS");
}
} |
This is Performer.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
/**
* @author Chandra Vardhan
*
*/
public interface Performer {
void perform();
} |
This is Piano.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
import org.apache.log4j.Logger;
/**
* @author Chandra Vardhan
*
*/
public class Piano implements Instrument {
private final static Logger LOGGER = Logger.getLogger(Piano.class);
public void play() {
LOGGER.info("PINK PINK PUKK PUKKKKK POOOOOOOO...");
}
} |
This is Poem.java file having the source code to execute business logic.
package com.cv.spring.annotation.autowire;
/**
* @author Chandra Vardhan
*
*/
public interface Poem {
public void recite();
} |
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>SpringAutowireByTypeByNameConstuctor</artifactId>
<name>SpringAutowireByTypeByNameConstuctor</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>
</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 autoDetect.xml spring configuration file and these entries are used in the application.
<?xml version="1.0" encoding="UTF-8"?>
<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"
default-autowire="byType">
<bean id="kenny" class="com.cv.spring.annotation.autowire.InstrumentList">
<property name="song" value="JingleBells" />
</bean>
<bean name="instrument" class="com.cv.spring.annotation.autowire.Gitter" />
<bean name="harmonia" class="com.cv.spring.annotation.autowire.Harmonia"
primary="true" />
<bean name="piano" class="com.cv.spring.annotation.autowire.Piano" />
</beans>
|
This is byConstructor.xml spring configuration file and these entries are used in the application.
<?xml version="1.0" encoding="UTF-8"?>
<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">
<bean id="instrumentList" class="com.cv.spring.annotation.autowire.InstrumentList"
autowire="constructor">
<property name="song" value="JingleBells" />
</bean>
<bean name="piano" class="com.cv.spring.annotation.autowire.Piano" />
<bean name="instrument" class="com.cv.spring.annotation.autowire.Gitter" />
<bean name="piano2" class="com.cv.spring.annotation.autowire.Piano"
autowire-candidate="false" />
</beans>
|
This is byName.xml spring configuration file and these entries are used in the application.
<?xml version="1.0" encoding="UTF-8"?>
<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">
<bean id="kenny" class="com.cv.spring.annotation.autowire.InstrumentList" autowire="byName">
<property name="song" value="JingleBells" />
</bean>
<bean name="piano" class="com.cv.spring.annotation.autowire.Piano" primary="true"/>
<bean name="instrument" class="com.cv.spring.annotation.autowire.Gitter" />
<bean name="piano2" class="com.cv.spring.annotation.autowire.Piano" autowire-candidate="false"/>
</beans>
|
This is byType.xml spring configuration file and these entries are used in the application.
<?xml version="1.0" encoding="UTF-8"?>
<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">
<bean id="kenny" class="com.cv.spring.annotation.autowire.InstrumentList" autowire="byType">
<property name="song" value="JingleBells" />
</bean>
<bean name="instrument" class="com.cv.spring.annotation.autowire.Gitter" />
<bean name="harmonia" class="com.cv.spring.annotation.autowire.Harmonia" primary="true" />
<bean name="piano" class="com.cv.spring.annotation.autowire.Piano" />
</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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