org.settings4j.contentresolver

Class FilteredContentResolverWrapper

java.lang.Object

org.settings4j.contentresolver.FilteredContentResolverWrapper

All Implemented Interfaces:

ContentResolver

public class FilteredContentResolverWrapper
extends Object
implements ContentResolver

Wrapper to add a Filter which is used before the given ContentResolver is called.

Author:

Harald.Brabenetz

Constructor Summary

Constructors

Constructor and Description
FilteredContentResolverWrapper(ContentResolver targetContentResolver, Filter filter)

Method Summary

Modifier and Type	Method and Description
void	addContentResolver(ContentResolver contentResolver) Some Implementations of a ContentResolver are delegating the functionality to other ContentResolvers.
byte[]	getContent(String key) Reads the Content for the given Key or null if nothing where found.

Methods inherited from class java.lang.Object

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

Constructor Detail

FilteredContentResolverWrapper

public FilteredContentResolverWrapper(ContentResolver targetContentResolver,
                                      Filter filter)

Parameters:

targetContentResolver - The ContentResolver where the settings should be read if the Filter allows it.

filter - the Filter which defines if an key should be read from the given ContentResolver.

Method Detail

addContentResolver

public void addContentResolver(ContentResolver contentResolver)

Description copied from interface: ContentResolver

Some Implementations of a ContentResolver are delegating the functionality to other ContentResolvers.

Examples are: UnionContentResolver

 --------------------------------------
 <contentResolver name="DefaultContentResolver" class="org.settings4j.contentresolver.UnionContentResolver">
     <contentResolver-ref ref="FSContentResolver" />
     <contentResolver-ref ref="ClasspathContentResolver" />
 </contentResolver>
 --------------------------------------
 

Specified by:

addContentResolver in interface ContentResolver

Parameters:

contentResolver - the original contentResolver to delegate.

getContent

public byte[] getContent(String key)

Description copied from interface: ContentResolver

Reads the Content for the given Key or null if nothing where found.

Specified by:

getContent in interface ContentResolver

Parameters:

key - The key

Returns:

The byte[] Content or null if nothing where found.