com.opera.core.systems.preferences
Class OperaFilePreferences

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

All Implemented Interfaces:

OperaPreferences, Iterable<OperaPreferences.OperaPreference>

public class OperaFilePreferences
extends AbstractOperaPreferences

OperaFilePreferences allows updating preferences in an Opera preference file such as opera.ini or operaprefs.ini. The file will be written to upon each alteration to any preference.

Nested Class Summary

static class

OperaFilePreferences.FilePreference Allows setting Opera preferences in a preference file (typically opera.ini or operaprefs.ini) as well as keeping the local individual preference cache up-to-date.

Nested classes/interfaces inherited from class com.opera.core.systems.preferences.AbstractOperaPreferences

AbstractOperaPreferences.AbstractPreference

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

OperaPreferences.OperaPreference

Field Summary

Fields inherited from class com.opera.core.systems.preferences.AbstractOperaPreferences

preferences

Constructor Summary

OperaFilePreferences(File preferenceFile)
Constructs a new representation of Opera's preferences based on the given preference file.

Method Summary

void	set(OperaPreferences.OperaPreference preference) Sets the given preference.
void	set(String section, String key, Object value) Sets the given preference information.
void	write() Call this to cause the current preferences representation to be written to disk.

Methods inherited from class com.opera.core.systems.preferences.AbstractOperaPreferences

all, get, iterator, merge, size

Methods inherited from class java.lang.Object

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

Constructor Detail

OperaFilePreferences

public OperaFilePreferences(File preferenceFile)

Constructs a new representation of Opera's preferences based on the given preference file.

Parameters:

preferenceFile - an INI style preference file

Method Detail

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

Overrides:

set in class AbstractOperaPreferences

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

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

Overrides:

set in class AbstractOperaPreferences

Parameters:

preference - the preference to add or update

write

public void write()

Call this to cause the current preferences representation to be written to disk. This method is called by OperaFilePreferences.FilePreference.setValue(Object) and it is thus not necessary to call this method separately unless you wish to perform a forced write of the cache to disk.