com.opera.core.systems.preferences
Class AbstractOperaPreferences

java.lang.Object
  com.opera.core.systems.preferences.AbstractOperaPreferences

All Implemented Interfaces:

OperaPreferences, Iterable<OperaPreferences.OperaPreference>

Direct Known Subclasses:

OperaFilePreferences, OperaGenericPreferences, OperaScopePreferences

public abstract class AbstractOperaPreferences
extends Object
implements OperaPreferences

Shared functionality between various OperaPreferences implementations.

See Also:

OperaScopePreferences, OperaFilePreferences

Nested Class Summary

static class

AbstractOperaPreferences.AbstractPreference Shared methods for the OperaPreferences.OperaPreference interface for keeping the local cache of individual preference up to date.

Nested classes/interfaces inherited from interface com.opera.core.systems.preferences.OperaPreferences

OperaPreferences.OperaPreference

Field Summary

protected Collection<OperaPreferences.OperaPreference>

preferences

Constructor Summary

AbstractOperaPreferences()

Method Summary

Iterable<OperaPreferences.OperaPreference>	all() Returns an iterable collection of all preferences present in the current object.
OperaPreferences.OperaPreference	get(String section, String key) Returns the preference with the given section and key values.
Iterator<OperaPreferences.OperaPreference>	iterator()
void	merge(OperaPreferences newPreferences) Merges one representation with the given representation.
void	set(OperaPreferences.OperaPreference preference) Sets the given preference.
void	set(String section, String key, Object value) Sets the given preference information.
int	size() Returns the number of preferences in the representation.

Methods inherited from class java.lang.Object

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

Field Detail

preferences

protected Collection<OperaPreferences.OperaPreference> preferences

Constructor Detail

AbstractOperaPreferences

public AbstractOperaPreferences()

Method Detail

iterator

public Iterator<OperaPreferences.OperaPreference> iterator()

Specified by:

iterator in interface Iterable<OperaPreferences.OperaPreference>

all

public Iterable<OperaPreferences.OperaPreference> all()

Description copied from interface: OperaPreferences

Returns an iterable collection of all preferences present in the current object.

Specified by:

all in interface OperaPreferences

Returns:

iterable list of preferences

set

public void set(OperaPreferences.OperaPreference preference)

Description copied from interface: OperaPreferences

Sets the given preference. If a previous preference with the same section and key names exist, it will be replaced by the given preference.

Specified by:

set in interface OperaPreferences

Parameters:

preference - the preference to add or update

set

public void set(String section,
                String key,
                Object value)

Description copied from interface: OperaPreferences

Sets the given preference information. If a previous preference with the same section and key names exist, it will be replaced by the given preference. This is a shortcut for the OperaPreferences.set(OperaPreference) method.

Specified by:

set in interface OperaPreferences

Parameters:

section - the section name, can be case-insensitive

key - the key name, can be case-insensitive

value - the new value (will be treated as a String in Opera

get

public OperaPreferences.OperaPreference get(String section,
                                            String key)

Description copied from interface: OperaPreferences

Returns the preference with the given section and key values.

Specified by:

get in interface OperaPreferences

Parameters:

section - the section name, can be case-insensitive

key - the key name, can be case-insensitive

Returns:

the preference requested

merge

public void merge(OperaPreferences newPreferences)

Description copied from interface: OperaPreferences

Merges one representation with the given representation. This will overwrite the preferences in the current object with the ones in the given object to be merged.

Specified by:

merge in interface OperaPreferences

Parameters:

newPreferences - the preferences to merge

size

public int size()

Description copied from interface: OperaPreferences

Returns the number of preferences in the representation.

Specified by:

size in interface OperaPreferences

Returns:

number of preferences