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Java Source Code / Java Documentation » Web Mail » Jwma » dtw.webmail.plugin

Source Cross Reference Class Diagram Java Document (Java Doc)

dtw.webmail.plugin .PreferencesPersistencePlugin

All known Subclasses:   dtw.webmail.plugin.std .CastorXMLPreferencesPersistence,  dtw.webmail.plugin.std .CastorSQLPreferencesPersistence,
PreferencesPersistencePlugin
public interface PreferencesPersistencePlugin extends JwmaPlugin(Code)
Interface for a plugin that handles persistency of user preferences.

author:
   Dieter Wimberger
version:
   0.9.7 07/02/2003

Method Summary
public JwmaPreferencesImpl getPreferencesTemplate(JwmaSession session)
     Returns a copy of the template JwmaPreferencesImpl instance.
Parameters:
  session - the actual JwmaSession instance.
public boolean isPersistent(String identity)
     Tests if preferences for the given user exist on the store.
public JwmaPreferencesImpl loadPreferences(String identity)
     Loads the given user's preferences from the persistent store and returns them as a JwmaPreferencesImpl instance.
If preferences for the given user do not exist on the store, the method returns null.
Parameters:
  identity - a String representing the user(in a unique way).
public void savePreferences(JwmaPreferencesImpl prefs)
     Saves the given preferences to the persistent store.
public void setPreferencesTemplate(JwmaPreferencesImpl template)
     Sets the template JwmaPreferencesImpl instance.

Method Detail
getPreferencesTemplate
public JwmaPreferencesImpl getPreferencesTemplate(JwmaSession session)(Code)
Returns a copy of the template JwmaPreferencesImpl instance.
Parameters:
  session - the actual JwmaSession instance. the template JwmaPreferencesImpl instance.
See Also:   dtw.webmail.model.JwmaPreferencesImpl

isPersistent
public boolean isPersistent(String identity) throws JwmaException(Code)
Tests if preferences for the given user exist on the store.
Parameters:
  identity - a String representing the user(in a unique way).
throws:
  JwmaException - if an I/O error occurs.
See Also:   dtw.webmail.model.JwmaPreferencesImpl.getUserIdentity

loadPreferences
public JwmaPreferencesImpl loadPreferences(String identity) throws JwmaException(Code)
Loads the given user's preferences from the persistent store and returns them as a JwmaPreferencesImpl instance.
If preferences for the given user do not exist on the store, the method returns null.
Parameters:
  identity - a String representing the user(in a unique way). the JwmaPreferencesImpl instance.
throws:
  JwmaException - if an I/O error occurs.
See Also:   dtw.webmail.model.JwmaPreferencesImpl
See Also:   dtw.webmail.model.JwmaPreferencesImpl.getUserIdentity

savePreferences
public void savePreferences(JwmaPreferencesImpl prefs) throws JwmaException(Code)
Saves the given preferences to the persistent store.
If the preferences do not exist on the store, the method should create them, otherwise update the existing version.
The identity is retrieved using the getUserIdentity() method of the given JwmaPreferencesImpl instance.
Parameters:
  prefs - the JwmaPreferencesImpl instance tosaved.
throws:
  JwmaException - if an I/O error occurs.
See Also:   dtw.webmail.model.JwmaPreferencesImpl
See Also:   dtw.webmail.model.JwmaPreferencesImpl.getUserIdentity

setPreferencesTemplate
public void setPreferencesTemplate(JwmaPreferencesImpl template) throws JwmaException(Code)
Sets the template JwmaPreferencesImpl instance.
The caller assumes that the plugin handles the persistence of the passed in template instance.
Parameters:
  template - JwmaPreferencesImpl instance.
throws:
  JwmaException - if an I/O error occurs.
See Also:   dtw.webmail.model.JwmaPreferencesImpl

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