com.jalios.util

Class RssChannel

java.lang.Object

com.jalios.util.RssChannel

public class RssChannel
extends java.lang.Object

This class implements a RSS Channel parser/container.

Version:

$Revision: 102870 $

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REVISION

Constructor Summary

Constructors

Constructor and Description
RssChannel(java.io.File file) Create a new RssChannel.
RssChannel(java.io.File file, java.util.Set<RssEventListener> eventListeners) Create a new RssChannel.
RssChannel(java.lang.String url, long ufreq) Create a new RssChannel.
RssChannel(java.lang.String url, long ufreq, int timeout) Create a new RssChannel.
RssChannel(java.lang.String url, long ufreq, int timeout, java.util.Set<RssEventListener> eventListeners) Create a new RssChannel.
RssChannel(java.lang.String url, long ufreq, java.util.Set<RssEventListener> eventListeners) Create a new RssChannel.

Method Summary

Modifier and Type	Method and Description
void	addListener(RssEventListener listener) Add RssEventListener
void	addListeners(java.util.Set<RssEventListener> listeners) Add RssEventListener list to existing listeners
static java.util.Date	convertDate(java.lang.String date)
static java.lang.String	generateID(java.lang.String id, int maxLength) compute a id from parameter.
java.util.Date	getBuildDate()
java.lang.String	getCopyright() Get the value of copyright.
java.lang.String	getDescription() Get the value of description.
java.lang.String	getDocs() Get the value of docs.
java.lang.String	getId()
java.lang.String	getImageDescription() Get the value of imageDescription.
int	getImageHeight() Get the value of imageHeight.
java.lang.String	getImageLink() Get the value of imageLink.
java.lang.String	getImageTitle() Get the value of imageTitle.
java.lang.String	getImageUrl() Get the value of imageUrl.
int	getImageWidth() Get the value of imageWidth.
java.util.List<RssItem>	getItemList() Retrieve the list of RssItem of this feed.
java.lang.String	getLanguage() Get the value of language.
java.lang.String	getLastBuildDate() Deprecated.
java.util.Date	getLastUpdate() Retrieve the Date at which this RssChannel was last build and parsed.
java.lang.String	getLink() Get the value of link.
java.util.Set<RssEventListener>	getListeners() returns the RssEventListener Set
java.lang.String	getManagingEditor() Get the value of managingEditor.
java.util.Date	getNextUpdate() Retrieve the Date at which this RssChannel should be left and parsed again.
java.lang.String	getPubDate() Deprecated.
java.util.Date	getPublicationDate()
java.lang.String	getRating() Get the value of rating.
java.lang.String	getSource() Retrieve the source of this RssChannel (used only for debugging purpose).
java.lang.String	getTextinputDescription() Get the value of textinputDescription.
java.lang.String	getTextinputLink() Get the value of textinputLink.
java.lang.String	getTextinputName() Get the value of textinputName.
java.lang.String	getTextinputTitle() Get the value of textinputTitle.
java.lang.String	getTitle() Retrieve the title of this RSS.
long	getTtl() Retrieve the number of minutes indicating how long this channel can be cached before being refreshed from the source.
long	getUfreq() Retrieve the update frequency of this RssChannel.
java.lang.String	getVersion() Retrieve the RSS version of this channel (such as 0.91, 1.0 for rdf, 2.0, ...).
java.lang.String	getWebMaster() Get the value of webMaster.
boolean	needToRefresh() Determine if the channel must be refreshed
void	removeListener(RssEventListener listener) Remove RssEventListener from existing listener
void	removeListeners(java.util.List<RssEventListener> listeners) Remove RssEventListener from listener list
void	setBuildDate(java.util.Date buildDate)
void	setCopyright(java.lang.String v) Set the value of copyright.
void	setDescription(java.lang.String v) Set the value of description.
void	setDocs(java.lang.String v) Set the value of docs.
void	setId(java.lang.String id)
void	setImageDescription(java.lang.String v) Set the value of imageDescription.
void	setImageHeight(int v) Set the value of imageHeight.
void	setImageHeightStr(java.lang.String heightStr) Set the value of imageHeight.
void	setImageLink(java.lang.String val) Set the value of imageLink.
void	setImageTitle(java.lang.String v) Set the value of imageTitle.
void	setImageUrl(java.lang.String v) Set the value of imageUrl.
void	setImageWidth(int v) Set the value of imageWidth.
void	setImageWidthStr(java.lang.String widthStr) Set the value of imageWidth.
void	setItemList(java.util.List<RssItem> list) Set the list of RssItem of this feed.
void	setLanguage(java.lang.String v) Set the value of language.
void	setLastBuildDate(java.lang.String v) Deprecated.
void	setLink(java.lang.String v) Set the value of link.
void	setListeners(java.util.Set<RssEventListener> listeners)
void	setManagingEditor(java.lang.String v) Set the value of managingEditor.
void	setPubDate(java.lang.String v) Deprecated.
void	setPublicationDate(java.util.Date publicationDate)
void	setRating(java.lang.String v) Set the value of rating.
void	setTextinputDescription(java.lang.String v) Set the value of textinputDescription.
void	setTextinputLink(java.lang.String v) Set the value of textinputLink.
void	setTextinputName(java.lang.String v) Set the value of textinputName.
void	setTextinputTitle(java.lang.String v) Set the value of textinputTitle.
void	setTitle(java.lang.String title) Set the title of this RSS.
void	setTtl(long ttl) Set the time to live of this RssChannel
void	setTtl(java.lang.String ttlStr) Set the time to live of this RssChannel
void	setUfreq(long ufreq) Set the update frequency of this RssChannel.
void	setVersion(java.lang.String version) Set the RSS version of this channel.
void	setWebMaster(java.lang.String v) Set the value of webMaster.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final java.lang.String REVISION

See Also:

Constant Field Values

Constructor Detail

RssChannel

public RssChannel(java.lang.String url,
                  long ufreq)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

url - the URL of the RSS channel (a remote location using http or https)

ufreq - the update frequency, in minutes

Throws:

RssException - if an error occured while getting or parsing the RSS

RssChannel

public RssChannel(java.lang.String url,
                  long ufreq,
                  int timeout)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

url - the URL of the RSS channel (a remote location using http or https)

ufreq - the update frequency, in minutes

timeout - the time (in milliseconds) to wait for a connection to become available. Default value is 3000 (3 seconds). Default value will be used if zero or a negative value is specified.

Throws:

RssException - if an error occured while getting or parsing the RSS

RssChannel

public RssChannel(java.io.File file)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

file - the RSS XML file to read

Throws:

RssException - if an error occured while reading or parsing the RSS

RssChannel

public RssChannel(java.lang.String url,
                  long ufreq,
                  java.util.Set<RssEventListener> eventListeners)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

url - the URL of the RSS channel (a remote location using http or https)

ufreq - the update frequency, in minutes

eventListeners - Set of RssEventListener

Throws:

RssException - if an error occured while getting or parsing the RSS

Since:

JCMS 6.3

RssChannel

public RssChannel(java.lang.String url,
                  long ufreq,
                  int timeout,
                  java.util.Set<RssEventListener> eventListeners)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

url - the URL of the RSS channel (a remote location using http or https)

ufreq - the update frequency, in minutes

timeout - the time (in milliseconds) to wait for a connection to become available. Default value is 3000 (3 seconds). Default value will be used if zero or a negative value is specified.

eventListeners - Set of RssEventListener

Throws:

RssException - if an error occured while getting or parsing the RSS

Since:

JCMS 6.3

RssChannel

public RssChannel(java.io.File file,
                  java.util.Set<RssEventListener> eventListeners)
           throws RssException

Create a new RssChannel. Fill this object with the data located at the given URI. Set the update frequency.

Parameters:

file - the RSS XML file to read

eventListeners - Set of RssEventListener

Throws:

RssException - if an error occured while reading or parsing the RSS

Since:

JCMS 6.3

Method Detail

needToRefresh

public boolean needToRefresh()

Determine if the channel must be refreshed

Returns:

true if the channel must be refreshed

getLastUpdate

public java.util.Date getLastUpdate()

Retrieve the Date at which this RssChannel was last build and parsed.

Returns:

the last update Date.

getNextUpdate

public java.util.Date getNextUpdate()

Retrieve the Date at which this RssChannel should be left and parsed again.

Returns:

the next update Date == last update + (ttl || ufreq).

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getVersion

public java.lang.String getVersion()

Retrieve the RSS version of this channel (such as 0.91, 1.0 for rdf, 2.0, ...).

Returns:

the rss version.

setVersion

public void setVersion(java.lang.String version)

Set the RSS version of this channel.

Parameters:

version - the rss version (such as 0.91, 1.0 for rdf, 2.0, ...)

getTitle

public java.lang.String getTitle()

Retrieve the title of this RSS.

Returns:

the rss' title.

setTitle

public void setTitle(java.lang.String title)

Set the title of this RSS.

Parameters:

title - the new title value

getLink

public java.lang.String getLink()

Get the value of link.

Returns:

Value of link.

setLink

public void setLink(java.lang.String v)

Set the value of link.

Parameters:

v - Value to assign to link.

getDescription

public java.lang.String getDescription()

Get the value of description.

Returns:

Value of description.

setDescription

public void setDescription(java.lang.String v)

Set the value of description.

Parameters:

v - Value to assign to description.

getRating

public java.lang.String getRating()

Get the value of rating.

Returns:

Value of rating.

setRating

public void setRating(java.lang.String v)

Set the value of rating.

Parameters:

v - Value to assign to rating.

getLanguage

public java.lang.String getLanguage()

Get the value of language.

Returns:

Value of language.

setLanguage

public void setLanguage(java.lang.String v)

Set the value of language.

Parameters:

v - Value to assign to language.

getCopyright

public java.lang.String getCopyright()

Get the value of copyright.

Returns:

Value of copyright.

setCopyright

public void setCopyright(java.lang.String v)

Set the value of copyright.

Parameters:

v - Value to assign to copyright.

getManagingEditor

public java.lang.String getManagingEditor()

Get the value of managingEditor.

Returns:

Value of managingEditor.

setManagingEditor

public void setManagingEditor(java.lang.String v)

Set the value of managingEditor.

Parameters:

v - Value to assign to managingEditor.

getWebMaster

public java.lang.String getWebMaster()

Get the value of webMaster.

Returns:

Value of webMaster.

setWebMaster

public void setWebMaster(java.lang.String v)

Set the value of webMaster.

Parameters:

v - Value to assign to webMaster.

getImageTitle

public java.lang.String getImageTitle()

Get the value of imageTitle.

Returns:

Value of imageTitle.

setImageTitle

public void setImageTitle(java.lang.String v)

Set the value of imageTitle.

Parameters:

v - Value to assign to imageTitle.

getImageUrl

public java.lang.String getImageUrl()

Get the value of imageUrl.

Returns:

Value of imageUrl.

setImageUrl

public void setImageUrl(java.lang.String v)

Set the value of imageUrl.

Parameters:

v - Value to assign to imageUrl.

getImageLink

public java.lang.String getImageLink()

Get the value of imageLink.

Returns:

Value of imageLink.

setImageLink

public void setImageLink(java.lang.String val)

Set the value of imageLink.

Parameters:

val - Value to assign to imageLink.

setImageWidthStr

public void setImageWidthStr(java.lang.String widthStr)

Set the value of imageWidth.

Parameters:

widthStr - Value to assign to imageWidth.

getImageWidth

public int getImageWidth()

Get the value of imageWidth.

Returns:

Value of imageWidth.

setImageWidth

public void setImageWidth(int v)

Set the value of imageWidth.

Parameters:

v - Value to assign to imageWidth.

setImageHeightStr

public void setImageHeightStr(java.lang.String heightStr)

Set the value of imageHeight.

Parameters:

heightStr - Value to assign to imageHeight.

getImageHeight

public int getImageHeight()

Get the value of imageHeight.

Returns:

Value of imageHeight.

setImageHeight

public void setImageHeight(int v)

Set the value of imageHeight.

Parameters:

v - Value to assign to imageHeight.

getImageDescription

public java.lang.String getImageDescription()

Get the value of imageDescription.

Returns:

Value of imageDescription.

setImageDescription

public void setImageDescription(java.lang.String v)

Set the value of imageDescription.

Parameters:

v - Value to assign to imageDescription.

getTextinputTitle

public java.lang.String getTextinputTitle()

Get the value of textinputTitle.

Returns:

Value of textinputTitle.

setTextinputTitle

public void setTextinputTitle(java.lang.String v)

Set the value of textinputTitle.

Parameters:

v - Value to assign to textinputTitle.

getTextinputDescription

public java.lang.String getTextinputDescription()

Get the value of textinputDescription.

Returns:

Value of textinputDescription.

setTextinputDescription

public void setTextinputDescription(java.lang.String v)

Set the value of textinputDescription.

Parameters:

v - Value to assign to textinputDescription.

getTextinputName

public java.lang.String getTextinputName()

Get the value of textinputName.

Returns:

Value of textinputName.

setTextinputName

public void setTextinputName(java.lang.String v)

Set the value of textinputName.

Parameters:

v - Value to assign to textinputName.

getTextinputLink

public java.lang.String getTextinputLink()

Get the value of textinputLink.

Returns:

Value of textinputLink.

setTextinputLink

public void setTextinputLink(java.lang.String v)

Set the value of textinputLink.

Parameters:

v - Value to assign to textinputLink.

getPubDate

@Deprecated
public java.lang.String getPubDate()

Deprecated.

Get the value of pubDate. This method is deprecated. getPublicationDate must be use instead This method returns date in ISO 8601 format

Returns:

Value of pubDate.

setPubDate

@Deprecated
public void setPubDate(java.lang.String v)

Deprecated.

Set the value of pubDate. This methos is deprecated and setPublication(Date date) must be use instead

Parameters:

v - Value to assign to pubDate.

getLastBuildDate

@Deprecated
public java.lang.String getLastBuildDate()

Deprecated.

Get the value of lastBuildDate.This method is deprecated. getBuildDate must be use instead This method returns date in ISO 8601 format

Returns:

Value of lastBuildDate.

setLastBuildDate

@Deprecated
public void setLastBuildDate(java.lang.String v)

Deprecated.

Set the value of lastBuildDate. This methos is deprecated and setBuildDate(Date date) must be use instead

Parameters:

v - Value to assign to lastBuildDate.

getBuildDate

public java.util.Date getBuildDate()

Returns:

the buildDate

setBuildDate

public void setBuildDate(java.util.Date buildDate)

Parameters:

buildDate - the buildDate to set

getDocs

public java.lang.String getDocs()

Get the value of docs.

Returns:

Value of docs.

setDocs

public void setDocs(java.lang.String v)

Set the value of docs.

Parameters:

v - Value to assign to docs.

getItemList

public java.util.List<RssItem> getItemList()

Retrieve the list of RssItem of this feed.

Returns:

a list of RssItem, never return null.

setItemList

public void setItemList(java.util.List<RssItem> list)

Set the list of RssItem of this feed.

Parameters:

list - a list list of RssItem, must not be null

getTtl

public long getTtl()

Retrieve the number of minutes indicating how long this channel can be cached before being refreshed from the source.

Returns:

the "time to live" in minutes.

setTtl

public void setTtl(long ttl)

Set the time to live of this RssChannel

Parameters:

ttl - time to live in minutes.

setTtl

public void setTtl(java.lang.String ttlStr)

Set the time to live of this RssChannel

Parameters:

ttlStr - time to live in minutes.

getUfreq

public long getUfreq()

Retrieve the update frequency of this RssChannel.

Returns:

the update frequency in minutes.

setUfreq

public void setUfreq(long ufreq)

Set the update frequency of this RssChannel.

Parameters:

ufreq - the new update frequency value, in minutes.

getSource

public java.lang.String getSource()

Retrieve the source of this RssChannel (used only for debugging purpose).

Returns:

source of the channel (url or file path)

getPublicationDate

public java.util.Date getPublicationDate()

Returns:

the publicationDate

setPublicationDate

public void setPublicationDate(java.util.Date publicationDate)

Parameters:

publicationDate - the publicationDate to set

getId

public java.lang.String getId()

Returns:

the id

setId

public void setId(java.lang.String id)

Parameters:

id - the id to set

convertDate

public static java.util.Date convertDate(java.lang.String date)

getListeners

public java.util.Set<RssEventListener> getListeners()

returns the RssEventListener Set

Returns:

the list

Since:

JCMS 9.0.1

setListeners

public void setListeners(java.util.Set<RssEventListener> listeners)

Parameters:

listeners - the RssEventListener Set to set

Since:

JCMS 9.0.1

addListeners

public void addListeners(java.util.Set<RssEventListener> listeners)

Add RssEventListener list to existing listeners

Parameters:

listeners - the Set

Since:

JCMS 6.3

removeListeners

public void removeListeners(java.util.List<RssEventListener> listeners)

Remove RssEventListener from listener list

Parameters:

listeners - the RssEventListener to remove

Since:

JCMS 6.3

addListener

public void addListener(RssEventListener listener)

Add RssEventListener

Parameters:

listener - the RssEventListener

Since:

JCMS 6.3

removeListener

public void removeListener(RssEventListener listener)

Remove RssEventListener from existing listener

Parameters:

listener - the RssEventListener

Since:

JCMS 6.3

generateID

public static java.lang.String generateID(java.lang.String id,
                                          int maxLength)

compute a id from parameter. If the id length is less than maxLength parameter, the id is returned. Else the id is truncated and an MD5sum of id is added to the length of the string

Parameters:

id - the string which should be an id

maxLength - the max length of the id

Returns:

the computed id