org.jboss.portal.server.plugins.preferences
Class SimpleMergeStrategy

java.lang.Object
  org.jboss.portal.server.plugins.preferences.SimpleMergeStrategy

All Implemented Interfaces:

MergeStrategy

public class SimpleMergeStrategy
extends java.lang.Object
implements MergeStrategy

Constructor Summary

SimpleMergeStrategy()

Method Summary

java.util.Set	getKeySet(PreferenceSet[] sets) Return the merged key set.
Preference	getPreference(PreferenceSet[] sets, java.lang.String key) Return a preference among the sets or null if no suitable preference is found.
static SimpleMergeStrategy	getSingleton()
boolean	isReadOnly(PreferenceSet[] sets, java.lang.String key) Say if the preference is marked as read only.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleMergeStrategy

public SimpleMergeStrategy()

Method Detail

getSingleton

public static SimpleMergeStrategy getSingleton()

getPreference

public Preference getPreference(PreferenceSet[] sets,
                                java.lang.String key)
                         throws java.lang.IllegalArgumentException

Description copied from interface: MergeStrategy

Return a preference among the sets or null if no suitable preference is found.

Specified by:

getPreference in interface MergeStrategy

Parameters:

sets - the set of preference to inspect

key - the requested key

Returns:

the found preference or null

Throws:

java.lang.IllegalArgumentException - if the key or the sets is null

isReadOnly

public boolean isReadOnly(PreferenceSet[] sets,
                          java.lang.String key)
                   throws java.lang.IllegalArgumentException

Description copied from interface: MergeStrategy

Say if the preference is marked as read only.

Specified by:

isReadOnly in interface MergeStrategy

Parameters:

sets - the set of preference to inspect

key - the requested key

Returns:

the read only value

Throws:

java.lang.IllegalArgumentException - if the key or the sets is null

getKeySet

public java.util.Set getKeySet(PreferenceSet[] sets)
                        throws java.lang.IllegalArgumentException

Description copied from interface: MergeStrategy

Return the merged key set.

Specified by:

getKeySet in interface MergeStrategy

Parameters:

sets - the set of preference to inspect

Returns:

the merged key set

Throws:

java.lang.IllegalArgumentException - if tje sets is null