Listing the Property Names of a Bean - Java Object Oriented Design

Java examples for Object Oriented Design:Java Bean

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Description

Listing the Property Names of a Bean

Demo Code


import java.beans.BeanInfo;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;

public class Main {

  public void m() throws Exception {
    try {/*w  w w .j  a  v a2 s  .  co m*/
      BeanInfo bi = Introspector.getBeanInfo(MyBean.class);
      PropertyDescriptor[] pds = bi.getPropertyDescriptors();
      for (int i = 0; i < pds.length; i++) {
        // Get property name
        String propName = pds[i].getName();
      }
      // class, prop1, prop2, PROP3
    } catch (java.beans.IntrospectionException e) {
    }
  }
}

class MyBean {
  // Property prop1
  public String getProp1() {
    return null;
  }

  public void setProp1(String s) {
  }

  // Property prop2
  public int getProp2() {
    return 0;
  }

  public void setProp2(int i) {
  }

  // Property PROP
  public byte[] getPROP3() {
    return null;
  }

  public void setPROP3(byte[] bytes) {
  }
}

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