Package org.apache.sling.installer.api

Interface UpdateHandler

@ConsumerType
public interface UpdateHandler

An update handler is a service handling updates of resources through other ways than the installer, e.g. handling a configuration change through the web console or directly through the configuration admin API.

Since:

3.1

Field Summary

Fields

Modifier and Type	Field	Description
static final String	PROPERTY_SCHEMES	Required configuration property defining the schemes, this handler is handling.

Method Summary

Modifier and Type	Method	Description
UpdateResult	handleRemoval(String resourceType, String id, String url)	Handle the remove of a resource
UpdateResult	handleUpdate(String resourceType, String id, String url, InputStream is, Map<String,Object> attributes)	Handle the update of a resource
UpdateResult	handleUpdate(String resourceType, String id, String url, Dictionary<String,Object> dict, Map<String,Object> attributes)	Handle the update of a resource

Field Details

PROPERTY_SCHEMES

static final String PROPERTY_SCHEMES

Required configuration property defining the schemes, this handler is handling. String or string array

See Also:

• Constant Field Values

Method Details

handleRemoval

UpdateResult handleRemoval(String resourceType,
 String id,
 String url)

Handle the remove of a resource

Parameters:

resourceType - The resource type

id - The resource id, e.g. symbolic name etc.

url - The url where an earlier version of this resource came from

Returns:

If the handler could handle/perist the resource an update result is returned otherwise the handler should return null

handleUpdate

UpdateResult handleUpdate(String resourceType,
 String id,
 String url,
 Dictionary<String,Object> dict,
 Map<String,Object> attributes)

Handle the update of a resource

Parameters:

resourceType - The resource type

id - The resource id, e.g. symbolic name etc.

url - The url where an earlier version of this resource came from (optional)

dict - Dictionary

attributes - Optional additional attributes.

Returns:

If the handler could handle/perist the resource an update result is returned otherwise the handler should return null

handleUpdate

UpdateResult handleUpdate(String resourceType,
 String id,
 String url,
 InputStream is,
 Map<String,Object> attributes)

Handle the update of a resource

Parameters:

resourceType - The resource type

id - The resource id, e.g. symbolic name etc.

url - The url where an earlier version of this resource came from (optional)

is - Input stream to the contents of the resource

attributes - Optional additional attributes.

Returns:

If the handler could handle/perist the resource an update result is returned otherwise the handler should return null