Prevent bean's property being serialized to XML : JavaBeans « Development « Java Tutorial

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2. Development
3. JavaBeans

import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.beans.XMLEncoder;
import java.io.BufferedOutputStream;
import java.io.FileOutputStream;

public class Main {
  public static void main(String[] argv) throws Exception {
    BeanInfo bi = Introspector.getBeanInfo(BeanToXmlTransient.class);
    PropertyDescriptor[] pds = bi.getPropertyDescriptors();
    for (int i = 0; i < pds.length; i++) {
      PropertyDescriptor propertyDescriptor = pds[i];
      if (propertyDescriptor.getName().equals("itemQuantities")) {
        propertyDescriptor.setValue("transient", Boolean.TRUE);
      }
    }
    BeanToXmlTransient bean = new BeanToXmlTransient();
    bean.setId(new Long(1));
    bean.setItemName("Item");
    bean.setItemColour("Red");
    bean.setItemQuantities(new Integer(100));

    XMLEncoder encoder = new XMLEncoder(new BufferedOutputStream(new FileOutputStream(
        "BeanTransient.xml")));

    encoder.writeObject(bean);
    encoder.close();

  }
}

class BeanToXmlTransient {
  private Long id;

  private String itemName;

  private String itemColour;

  private Integer itemQuantities;

  public Long getId() {
    return id;
  }

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

  public String getItemName() {
    return itemName;
  }

  public void setItemName(String itemName) {
    this.itemName = itemName;
  }

  public String getItemColour() {
    return itemColour;
  }

  public void setItemColour(String itemColour) {
    this.itemColour = itemColour;
  }

  public Integer getItemQuantities() {
    return itemQuantities;
  }

  public void setItemQuantities(Integer itemQuantities) {
    this.itemQuantities = itemQuantities;
  }
}