de.enough.polish.content.source.impl
Class ResourceContentSource

java.lang.Object
  de.enough.polish.content.source.ContentSource
      de.enough.polish.content.source.impl.ResourceContentSource

public class ResourceContentSource
extends ContentSource

A sample HttpContentSource that receives byte[]

Author:

Andre Schmidt

Field Summary

static String

PREFIX The prefix for this kind of source

Constructor Summary

ResourceContentSource(String id)
Creates a new resource content source

Method Summary

protected void	destroy(StorageReference reference) Destroys the content specified by the storage reference
protected Object	load(ContentDescriptor descriptor) Load the specified content by the use of the content descriptor.
protected Object	load(StorageReference reference) Load the specified content by the use of the storage reference.
protected Object	store(ContentDescriptor descriptor, Object data) Stores the specified content
protected Object[]	storeContentAndGetDataSize(ContentDescriptor descriptor, Object data) Stores an object and returns a reference to it along with its stored size in one single step.

Methods inherited from class de.enough.polish.content.source.ContentSource

addContentTransform, attachSource, clean, clean, destroyContent, detachSource, getFilter, getSize, getStorageIndex, loadContent, loadContent, loadContentData, removeContentTransform, setContentFilter, shutdown, storeContent, sweep, toString, transformContent

Methods inherited from class java.lang.Object

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

Field Detail

PREFIX

public static final String PREFIX

The prefix for this kind of source

See Also:

Constant Field Values

Constructor Detail

ResourceContentSource

public ResourceContentSource(String id)

Creates a new resource content source

Parameters:

id - the unique ID of this source

Method Detail

destroy

protected void destroy(StorageReference reference)
                throws IOException

Description copied from class: ContentSource

Destroys the content specified by the storage reference

Specified by:

destroy in class ContentSource

Parameters:

reference - the storage reference

Throws:

IOException - if an error occurs (obviously)

load

protected Object load(ContentDescriptor descriptor)
               throws IOException

Description copied from class: ContentSource

Load the specified content by the use of the content descriptor.

Specified by:

load in class ContentSource

Parameters:

descriptor - the content descriptor

Returns:

the loaded data

Throws:

IOException - if an error occurs (obviously)

load

protected Object load(StorageReference reference)
               throws IOException

Description copied from class: ContentSource

Load the specified content by the use of the storage reference.

Specified by:

load in class ContentSource

Parameters:

reference - the storage reference

Returns:

the loaded data

Throws:

IOException - if an error occurs (obviously)

store

protected Object store(ContentDescriptor descriptor,
                       Object data)
                throws IOException

Description copied from class: ContentSource

Stores the specified content

Specified by:

store in class ContentSource

Parameters:

descriptor - the content descriptor

data - the data

Returns:

the reference to the stored data

Throws:

IOException - if an error occurs (obviously)

storeContentAndGetDataSize

protected Object[] storeContentAndGetDataSize(ContentDescriptor descriptor,
                                              Object data)
                                       throws IOException

Description copied from class: ContentSource

Stores an object and returns a reference to it along with its stored size in one single step. Storages that support this should overwrite this method. Storages that do not support this should leave this method untouched.

Specified by:

storeContentAndGetDataSize in class ContentSource

Parameters:

descriptor - the content descriptor

data - the data that needs to be stored

Returns:

an Object [], the first element is an Integer object containing the stored object's data size, the second element is a reference to the stored object

Throws:

IOException