de.nava.informa.impl.basic
Class ChannelBuilder

java.lang.Object
  de.nava.informa.impl.basic.ChannelBuilder

All Implemented Interfaces:

ChannelBuilderIF

public class ChannelBuilder
extends Object
implements ChannelBuilderIF

Factory for the creation of the channel object model with the in-memory implementation.

Author:

Niko Schmuck (niko@nava.de)

Constructor Summary

ChannelBuilder()

Method Summary

void	beginTransaction()
void	close() The following methods are only meaningful for persistent informa back end implementations such as Hibernate and are no-ops otherwise.
CategoryIF	createCategory(CategoryIF parent, String title)
ChannelIF	createChannel(org.jdom.Element channelElement, String title)
ChannelIF	createChannel(org.jdom.Element channelElement, String title, String location)
ChannelIF	createChannel(String title)
ChannelIF	createChannel(String title, String location)
ChannelGroupIF	createChannelGroup(String title)
CloudIF	createCloud(String domain, int port, String path, String registerProcedure, String protocol)
ImageIF	createImage(String title, URL location, URL link)
ItemIF	createItem(ChannelIF chan, ItemIF oldItem) Create an item from an existing item.
ItemIF	createItem(ChannelIF channel, String title, String description, URL link) Creates a news item and assign it to the given channel.
ItemIF	createItem(org.jdom.Element itemElement, ChannelIF channel, String title, String description, URL link)
ItemEnclosureIF	createItemEnclosure(ItemIF item, URL location, String type, int length)
ItemGuidIF	createItemGuid(ItemIF item, String location, boolean permaLink)
ItemSourceIF	createItemSource(ItemIF item, String name, String location, Date timestamp)
TextInputIF	createTextInput(String title, String description, String name, URL link)
void	endTransaction()
void	init(Properties props) Sets the runtime properties defined for this channel builder.
void	update(Object obj)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChannelBuilder

public ChannelBuilder()

Method Detail

init

public void init(Properties props)
          throws ChannelBuilderException

Description copied from interface: ChannelBuilderIF

Sets the runtime properties defined for this channel builder. This method will be invoked by the ChannelBuilderFactory when the ChannelBuilder is first created.

Specified by:

init in interface ChannelBuilderIF

Parameters:

props - The parsed set of properties which may be applied to this object.

Throws:

ChannelBuilderException - If the initialisation fails for some reason.

createChannelGroup

public ChannelGroupIF createChannelGroup(String title)

Specified by:

createChannelGroup in interface ChannelBuilderIF

createChannel

public ChannelIF createChannel(String title,
                               String location)

Specified by:

createChannel in interface ChannelBuilderIF

createChannel

public ChannelIF createChannel(org.jdom.Element channelElement,
                               String title,
                               String location)

Specified by:

createChannel in interface ChannelBuilderIF

createChannel

public ChannelIF createChannel(String title)

Specified by:

createChannel in interface ChannelBuilderIF

createChannel

public ChannelIF createChannel(org.jdom.Element channelElement,
                               String title)

Specified by:

createChannel in interface ChannelBuilderIF

createItem

public ItemIF createItem(ChannelIF channel,
                         String title,
                         String description,
                         URL link)

Description copied from interface: ChannelBuilderIF

Creates a news item and assign it to the given channel.

Specified by:

createItem in interface ChannelBuilderIF

createItem

public ItemIF createItem(org.jdom.Element itemElement,
                         ChannelIF channel,
                         String title,
                         String description,
                         URL link)

Specified by:

createItem in interface ChannelBuilderIF

createItem

public ItemIF createItem(ChannelIF chan,
                         ItemIF oldItem)

Create an item from an existing item.

Specified by:

createItem in interface ChannelBuilderIF

Parameters:

chan - - Channel in which the new item will be held

oldItem - - Old item which will provide the state for the new item

Returns:

-

createImage

public ImageIF createImage(String title,
                           URL location,
                           URL link)

Specified by:

createImage in interface ChannelBuilderIF

createTextInput

public TextInputIF createTextInput(String title,
                                   String description,
                                   String name,
                                   URL link)

Specified by:

createTextInput in interface ChannelBuilderIF

createCloud

public CloudIF createCloud(String domain,
                           int port,
                           String path,
                           String registerProcedure,
                           String protocol)

Specified by:

createCloud in interface ChannelBuilderIF

createItemSource

public ItemSourceIF createItemSource(ItemIF item,
                                     String name,
                                     String location,
                                     Date timestamp)

Specified by:

createItemSource in interface ChannelBuilderIF

createItemEnclosure

public ItemEnclosureIF createItemEnclosure(ItemIF item,
                                           URL location,
                                           String type,
                                           int length)

Specified by:

createItemEnclosure in interface ChannelBuilderIF

createItemGuid

public ItemGuidIF createItemGuid(ItemIF item,
                                 String location,
                                 boolean permaLink)

Specified by:

createItemGuid in interface ChannelBuilderIF

createCategory

public CategoryIF createCategory(CategoryIF parent,
                                 String title)

Specified by:

createCategory in interface ChannelBuilderIF

close

public void close()
           throws ChannelBuilderException

The following methods are only meaningful for persistent informa back end implementations such as Hibernate and are no-ops otherwise.

Specified by:

close in interface ChannelBuilderIF

Throws:

ChannelBuilderException

beginTransaction

public void beginTransaction()
                      throws ChannelBuilderException

Specified by:

beginTransaction in interface ChannelBuilderIF

Throws:

ChannelBuilderException

endTransaction

public void endTransaction()
                    throws ChannelBuilderException

Specified by:

endTransaction in interface ChannelBuilderIF

Throws:

ChannelBuilderException

update

public void update(Object obj)

Specified by:

update in interface ChannelBuilderIF