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public class FooBar
{
public static String PROPERTY_VALUE = "value";
private PropertyChangeSupport support = new PropertyChangeSupport(this);
private int value;
public int getValue()
{
return value;
}
public void setValue(int newValue)
{
int oldValue = value;
value = newValue;
support.firePropertyChange(PROPERTY_VALUE, oldValue, newValue);
}
public void addPropertyChangeListener(String property, PropertyChangeListener listener)
{
support.addPropertyChangeListener(property, listener);
}
public void removePropertyChangeListener(String property, PropertyChangeListener listener)
{
support.removePropertyChangeListener(property, listener);
}
public void addPropertyChangeListener(PropertyChangeListener listener)
{
support.addPropertyChangeListener(istener);
}
public void removePropertyChangeListener(PropertyChangeListener listener)
{
support.removePropertyChangeListener(listener);
}
} |