PreferencesResolver - JBOSS Portal 2.4 API 英文版文档

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org.jboss.portal.common.prefs
Interface PreferencesResolver

All Known Implementing Classes:: CombinedPreferencesResolver

public interface PreferencesResolver

Merge several property set into one.

Method Summary

java.util.Set getKeys()
          Return the merged key set.

Value getValue(java.lang.String key)
          Return a preference among the sets or null if no suitable preference is found.

boolean isReadOnly(java.lang.String key)
          Say if the preference is marked as read only.

Method Detail

getValue

public Value getValue(java.lang.String key)
               throws java.lang.IllegalArgumentException

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

Parameters:: key - the requested key
Returns:: the found preference or null
Throws:: java.lang.IllegalArgumentException - if the key or the array is null

isReadOnly

public boolean isReadOnly(java.lang.String key)
                   throws java.lang.IllegalArgumentException

Say if the preference is marked as read only.

Parameters:: key - the requested key
Returns:: the read only value
Throws:: java.lang.IllegalArgumentException - if the key or the array is null

getKeys

public java.util.Set getKeys()
                      throws java.lang.IllegalArgumentException

Return the merged key set.

Returns:: the merged key set
Throws:: java.lang.IllegalArgumentException - if the array is null