Source Code : Instantiating a Bean

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Instantiating a Bean

    

import java.beans.Beans;
import java.beans.PropertyVetoException;
import java.beans.VetoableChangeListener;
import java.beans.VetoableChangeSupport;

public class Main {
  public static void main(String[] argv) throws Exception {

    MyBean bean = (MyBean) Beans.instantiate(
        ClassLoader.getSystemClassLoader(), "MyBean");

  }
}

class MyBean {
  VetoableChangeSupport vceListeners = new VetoableChangeSupport(this);

  int myProperty;

  public int getMyProperty() {
    return myProperty;
  }

  public void setMyProperty(int newValue) throws PropertyVetoException {
    try {
      vceListeners.fireVetoableChange("myProperty", new Integer(myProperty),
          new Integer(newValue));
      myProperty = newValue;
    } catch (PropertyVetoException e) {
      throw e;
    }
  }

  public synchronized void addVetoableChangeListener(
      VetoableChangeListener listener) {
    vceListeners.addVetoableChangeListener(listener);
  }

  public synchronized void removeVetoableChangeListener(
      VetoableChangeListener listener) {
    vceListeners.removeVetoableChangeListener(listener);
  }

}

   
    
    
    
  

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