beans.java

200多个自己编的java程序,大家可以学一下.

/*
 * Beans.java
 *
 * Created on 2004年9月23日, 下午9:54
 */

import java.beans.*;
import java.io.Serializable;

/**
 * @author litertiger
 */
public class Beans extends Object implements Serializable {
    
    public static final String PROP_SAMPLE_PROPERTY = "sampleProperty";
    
    private String sampleProperty;
    
    private PropertyChangeSupport propertySupport;
    
    public Beans() {
        propertySupport = new PropertyChangeSupport(this);
    }
    
    public String getSampleProperty() {
        return sampleProperty;
    }
    
    public void setSampleProperty(String value) {
        String oldValue = sampleProperty;
        sampleProperty = value;
        propertySupport.firePropertyChange(PROP_SAMPLE_PROPERTY, oldValue, sampleProperty);
    }
    
    
    public void addPropertyChangeListener(PropertyChangeListener listener) {
        propertySupport.addPropertyChangeListener(listener);
    }
    
    public void removePropertyChangeListener(PropertyChangeListener listener) {
        propertySupport.removePropertyChangeListener(listener);
    }
    
}