Thursday, August 2, 2012

Spring Groovy Setter and Getter


Following is the implementation of scripting of beans setter and getters in spring using groovy script.
Implementation:
Drink:
package com.lnn.groovy;

public interface Drink {
      public String getDrink();
}
Drinker:
package com.lnn.groovy;

public class Drinker {
      private Drink drink;

      public void setDrink(Drink drink) {
            this.drink = drink;
      }

      public void drink() {
            System.out.println("Drinking from Java!");
            System.out.println(drink.getDrink());
      }
}
MyDrink.groovy:
class MyDrink implements com.lnn.groovy.Drink {
    String getDrink() {
      return content;
    }   
    String content;
}
Groovy.xml:
<beans xmlns="http://www.springframework.org/schema/beans"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:lang="http://www.springframework.org/schema/lang"
      xsi:schemaLocation="
      http://www.springframework.org/schema/beans
      http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/lang
      http://www.springframework.org/schema/lang/spring-lang-3.0.xsd">
      <bean id="drinker" class="com.lnn.groovy.Drinker">
            <property name="drink" ref="drink" />
      </bean>
      <lang:groovy id="drink" script-source="classpath:com/lnn/groovy/MyDrink.groovy">
            <lang:property name="content" value="Drinking from Groovy using Setter and Getter!" />
      </lang:groovy>
</beans>
GroovyTest.java:

package com.lnn.groovy;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class GroovyTest {
      public static void main(String[] args) {
            ApplicationContext context = new ClassPathXmlApplicationContext("groovy.xml");
            Drinker drinker = (Drinker) context.getBean("drinker");
            drinker.drink();
      }
}

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