com.webmethods.caf.faces.data.export
Class AtomFeedTableExportProvider

java.lang.Object
  com.webmethods.caf.faces.data.export.AtomFeedTableExportProvider

All Implemented Interfaces:

IContentProvider, IUpdateableContentProvider

public class AtomFeedTableExportProvider
extends Object
implements IContentProvider, IUpdateableContentProvider

Adapts a UIData component to an IContentProvider, specialized for exporting as atom (syndication feed) entries. The specialization includes generating an id, title, subtitle, author, links, base uri, and language info.

Field Summary

protected ResponseWriter	m_responseBuffer Temporary buffer into which the content of each column is rendered.
protected StringWriter	m_responseBufferBackingWriter Backing buffer for the m_responseBuffer.
protected UIData	m_table Table providing export content.
protected Map	m_values Property values cache.

Constructor Summary

AtomFeedTableExportProvider()

AtomFeedTableExportProvider(UIData table)

Method Summary

protected String	clearResponseBuffer() Clears the temporary response buffer, returning its content (or "").
Object[]	getPropertyKeys() Returns list of properties supported by this content provider.
protected ResponseWriter	getResponseBuffer() Temporary response buffer.
UIData	getTable()
Class	getType(Object propertyKey) Returns java type of the given property
Object	getValue(Object propertyKey) Returns value of the given property
protected Map	getValues()
boolean	hasProperty(Object propertyKey) Checks if the given property is supported by this content provider
boolean	isReadOnly(Object propertyKey) Returns true if the given property is readonly.
void	refresh()
protected String	render(UIComponent component) Renders specified component, returning its content (or "").
void	setTable(UIData table)
void	setValue(Object propertyKey, Object value) Sets new value of the given property
String	toString() Returns string representation of content.

Methods inherited from class java.lang.Object

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

Field Detail

m_table

protected UIData m_table

Table providing export content.

m_values

protected Map m_values

Property values cache.

m_responseBuffer

protected ResponseWriter m_responseBuffer

Temporary buffer into which the content of each column is rendered.

m_responseBufferBackingWriter

protected StringWriter m_responseBufferBackingWriter

Backing buffer for the m_responseBuffer.

Constructor Detail

AtomFeedTableExportProvider

public AtomFeedTableExportProvider()

AtomFeedTableExportProvider

public AtomFeedTableExportProvider(UIData table)

Method Detail

toString

public String toString()

Description copied from interface: IContentProvider

Returns string representation of content.

Specified by:

toString in interface IContentProvider

Overrides:

toString in class Object

Returns:

String representation of the wrapped content

getPropertyKeys

public Object[] getPropertyKeys()

Description copied from interface: IContentProvider

Returns list of properties supported by this content provider. Can return Object[0], never null.

Specified by:

getPropertyKeys in interface IContentProvider

Returns:

array of property keys which is typically of type String or Integer

getType

public Class getType(Object propertyKey)
              throws PropertyNotFoundException

Description copied from interface: IContentProvider

Returns java type of the given property

Specified by:

getType in interface IContentProvider

Parameters:

propertyKey - the property key of type String or Integer

Returns:

property java Class

Throws:

PropertyNotFoundException - if property is not supported

getValue

public Object getValue(Object propertyKey)
                throws EvaluationException,
                       PropertyNotFoundException

Description copied from interface: IContentProvider

Returns value of the given property

Specified by:

getValue in interface IContentProvider

Parameters:

propertyKey - the property key of type String or Integer

Returns:

value of the property, can be null

Throws:

EvaluationException - if error during property evaluation

PropertyNotFoundException - if property is not supported

hasProperty

public boolean hasProperty(Object propertyKey)

Description copied from interface: IContentProvider

Checks if the given property is supported by this content provider

Specified by:

hasProperty in interface IContentProvider

Parameters:

propertyKey - property key of type String or Integer

Returns:

true if property is supported

isReadOnly

public boolean isReadOnly(Object propertyKey)
                   throws EvaluationException,
                          PropertyNotFoundException

Description copied from interface: IUpdateableContentProvider

Returns true if the given property is readonly. If it is readonly, IUpdateableContentProvider.setValue(Object, Object) will definitely fail.

Specified by:

isReadOnly in interface IUpdateableContentProvider

Parameters:

propertyKey - property key of type String or Integer

Returns:

true if the property is readonly

Throws:

EvaluationException

PropertyNotFoundException

setValue

public void setValue(Object propertyKey,
                     Object value)
              throws EvaluationException,
                     PropertyNotFoundException

Description copied from interface: IUpdateableContentProvider

Sets new value of the given property

Specified by:

setValue in interface IUpdateableContentProvider

Parameters:

propertyKey - property key of type String or Integer

value - new property value

Throws:

EvaluationException - if error happens during property assigment

PropertyNotFoundException - if property is not found

refresh

public void refresh()
             throws ContentProviderException

Throws:

ContentProviderException

getTable

public UIData getTable()

setTable

public void setTable(UIData table)

getValues

protected Map getValues()

render

protected String render(UIComponent component)

Renders specified component, returning its content (or "").

getResponseBuffer

protected ResponseWriter getResponseBuffer()

Temporary response buffer.

clearResponseBuffer

protected String clearResponseBuffer()

Clears the temporary response buffer, returning its content (or "").