/* Copyright (C) 2001, 2007 United States Government as represented by
the Administrator of the National Aeronautics and Space Administration.
All Rights Reserved.
*/
package gov.nasa.worldwind.util.wizard;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.HashMap;
import java.util.Map;
/**
* @author dcollins
* @version $Id: WizardProperties.java 4856 2008-03-28 23:41:31Z dcollins $
*/
public class WizardProperties
{
private Map<String, Object> properties;
private PropertyChangeSupport propertyChangeSupport;
public WizardProperties()
{
this.properties = new HashMap<String, Object>();
this.propertyChangeSupport = new PropertyChangeSupport(this);
}
public Object getProperty(String propertyName)
{
return propertyName != null ? this.properties.get(propertyName) : null;
}
public String getStringProperty(String propertyName)
{
Object value = getProperty(propertyName);
return (value != null && value instanceof String) ? (String) value : null;
}
public Boolean getBooleanProperty(String propertyName)
{
Object value = getProperty(propertyName);
return (value != null && value instanceof Boolean) ? (Boolean) value : null;
}
public Integer getIntegerProperty(String propertyName)
{
Object value = getProperty(propertyName);
return (value != null && value instanceof Integer) ? (Integer) value : null;
}
public void setProperty(String propertyName, Object newValue)
{
if (propertyName != null)
{
Object oldValue = this.properties.get(propertyName);
if (newValue != null ? !newValue.equals(oldValue) : oldValue != null)
{
this.properties.put(propertyName, newValue);
firePropertyChange(propertyName, oldValue, newValue);
}
}
}
public void addPropertyChangeListener(PropertyChangeListener listener)
{
this.propertyChangeSupport.addPropertyChangeListener(listener);
}
public void removePropertyChangeListener(PropertyChangeListener listener)
{
this.propertyChangeSupport.removePropertyChangeListener(listener);
}
protected void firePropertyChange(String propertyName, Object oldValue, Object newValue)
{
this.propertyChangeSupport.firePropertyChange(propertyName, oldValue, newValue);
}
}