org.esa.snap.core.util

Class PreferencesPropertyMap

java.lang.Object

org.esa.snap.core.util.AbstractPropertyMap

org.esa.snap.core.util.PreferencesPropertyMap

All Implemented Interfaces:

EventListener, PreferenceChangeListener, PropertyMap

public class PreferencesPropertyMap
extends AbstractPropertyMap
implements PreferenceChangeListener

Implementation of the PropertyMap interface backed by a Preferences instance.

Since:

SNAP 2

Field Summary

Fields inherited from class org.esa.snap.core.util.AbstractPropertyMap

DEFAULT_COLOR, DEFAULT_FONT

Constructor Summary

Constructors

Constructor and Description
PreferencesPropertyMap(Preferences preferences)

Method Summary

Modifier and Type	Method and Description
void	addPropertyChangeListener(PropertyChangeListener listener)
void	addPropertyChangeListener(String key, PropertyChangeListener listener)
protected void	firePropertyChange(String key, String oldValue, String newValue)
protected String	get(String key)
protected String	get(String key, String defaultValue)
Properties	getProperties() Returns the Properties instance in which this property map stores its key/value pairs.
Set<String>	getPropertyKeys() Returns an enumeration of the property keys in this map.
void	load(Path file) Loads key/value pairs from a text file into this property map.
void	preferenceChange(PreferenceChangeEvent evt) This method gets called when a preference is added, removed or when its value is changed.
void	removePropertyChangeListener(PropertyChangeListener listener)
void	removePropertyChangeListener(String key, PropertyChangeListener listener)
protected String	set(String key, String value)
void	store(Path file, String header) Stores the key/value pairs of this property map into a text file.

Methods inherited from class org.esa.snap.core.util.AbstractPropertyMap

getPropertyBool, getPropertyBool, getPropertyColor, getPropertyColor, getPropertyDouble, getPropertyDouble, getPropertyFont, getPropertyFont, getPropertyInt, getPropertyInt, getPropertyString, getPropertyString, setPropertyBool, setPropertyColor, setPropertyDouble, setPropertyFont, setPropertyInt, setPropertyString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PreferencesPropertyMap

public PreferencesPropertyMap(Preferences preferences)

Method Detail

get

protected String get(String key)

Specified by:

get in class AbstractPropertyMap

get

protected String get(String key,
                     String defaultValue)

Specified by:

get in class AbstractPropertyMap

set

protected String set(String key,
                     String value)

Specified by:

set in class AbstractPropertyMap

firePropertyChange

protected void firePropertyChange(String key,
                                  String oldValue,
                                  String newValue)

Specified by:

firePropertyChange in class AbstractPropertyMap

load

public void load(Path file)
          throws IOException

Description copied from interface: PropertyMap

Loads key/value pairs from a text file into this property map.

Specified by:

load in interface PropertyMap

Parameters:

file - the text file

Throws:

IOException - if an I/O error occurs

store

public void store(Path file,
                  String header)
           throws IOException

Description copied from interface: PropertyMap

Stores the key/value pairs of this property map into a text file.

Specified by:

store in interface PropertyMap

Parameters:

file - the text file

header - an optional file header

Throws:

IOException - if an I/O error occurs

getProperties

public Properties getProperties()

Description copied from interface: PropertyMap

Returns the Properties instance in which this property map stores its key/value pairs.

Specified by:

getProperties in interface PropertyMap

getPropertyKeys

public Set<String> getPropertyKeys()

Description copied from interface: PropertyMap

Returns an enumeration of the property keys in this map.

Specified by:

getPropertyKeys in interface PropertyMap

addPropertyChangeListener

public void addPropertyChangeListener(PropertyChangeListener listener)

Specified by:

addPropertyChangeListener in interface PropertyMap

addPropertyChangeListener

public void addPropertyChangeListener(String key,
                                      PropertyChangeListener listener)

Specified by:

addPropertyChangeListener in interface PropertyMap

removePropertyChangeListener

public void removePropertyChangeListener(PropertyChangeListener listener)

Specified by:

removePropertyChangeListener in interface PropertyMap

removePropertyChangeListener

public void removePropertyChangeListener(String key,
                                         PropertyChangeListener listener)

Specified by:

removePropertyChangeListener in interface PropertyMap

preferenceChange

public void preferenceChange(PreferenceChangeEvent evt)

This method gets called when a preference is added, removed or when its value is changed.

Specified by:

preferenceChange in interface PreferenceChangeListener

Parameters:

evt - A PreferenceChangeEvent object describing the event source and the preference that has changed.