kratos2333
1/28/2017 - 9:28 PM

Define init and destroy method for the spring bean (1. annotated with PostConstruct and PreDestroy 2. define in the web.xml 3. implements In

Define init and destroy method for the spring bean (1. annotated with PostConstruct and PreDestroy 2. define in the web.xml 3. implements InitializingBean, DisposableBean)

web.xml
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<bean id="foo" class="com.wiley.beginningspring.ch2.Foo" init-method="init" destroy-method="destroy"/>
Baz.java
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public class Baz implements InitializingBean, DisposableBean {
  @Override
  public void afterPropertiesSet() throws Exception {
    System.out.println("init method invoked"); 
  }
  
  @Override
  public void destroy() throws Exception {
    System.out.println("destroy method invoked"); 
  }
}
Bar.java
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// Need to have <context:annotation-config/> in the web.xml

public class Bar { 
  @PostConstruct
  public void init() throws Exception { 
    System.out.println("init method is called");
  }
  
  @PreDestroy
  public void destroy() throws RuntimeException {
    System.out.println("destroy method is called"); 
  }
}