rss.adt
Class Feed

java.lang.Object
  rss.adt.Feed

All Implemented Interfaces:

java.io.Serializable

public final class Feed
extends java.lang.Object
implements java.io.Serializable

Abstract data type corresponding with RSS Feeds.

Abstraction Function:

• Unique identifier - AF(r).id
• Title of feed - AF(r).title
• Description of feed - AF(r).descript
• Author(s) of feed - AF(r).author
• Retrieved date from web - AF(r).lastUpdated
• Last viewed date - AF(r).lastViewed
• Nickname of feed - AF(r).nickname
• Path of feed icon - AF(r).icon

Representation Invariant: id must be a unique, positive identifier over all Feeds title, descript, author, lastUpdated, lastViewed, nickname, icon must not be null

Author:

Jong-Moon Kim, Karl Rieb, Lydia Chilton

See Also:

Serialized Form

Constructor Summary

Feed(int id, java.lang.String title, java.lang.String descript, java.util.List<java.lang.String> author, java.lang.String link, java.util.Date lastUpdated, java.util.Date lastViewed, java.lang.String nickname, java.lang.String icon)
Instantiates a new Feed object with the given parameters

Method Summary

boolean	equals(java.lang.Object o) Two Feeds are equal only when they are both base feeds and the URI of one equals the URI of the other
java.util.List<java.lang.String>	getAuthor() Accessor for the author(s) of the feed
java.lang.String	getDescript() Accessor for the description of feed
java.lang.String	getIcon() Accessor for the path of icon graphic
int	getId() Accessor for the unique identifier of the feed
java.util.Date	getLastUpdated() Accessor for the last downloaded date
java.util.Date	getLastViewed() Accessor for the last viewed date
java.lang.String	getLink() Accessor for the URI of the feed
java.lang.String	getNickname() Accessor for the Nickname of the feed
java.lang.String	getTitle() Accessor for the title of the feed
int	hashCode() HashCode generator for unique storage in HashTables
void	setAuthor(java.util.List<java.lang.String> author) Modifier for the author(s) of the feed
void	setDescript(java.lang.String descript) Modifier for the description of feed
void	setIcon(java.lang.String icon) Modifier to set the path to the icon graphic
void	setLastUpdated(java.util.Date lastUpdated) Modifier for the last downloaded date
void	setLastViewed(java.util.Date lastViewed) Modifier for the last viewed date
void	setNickname(java.lang.String nickname) Modifier for the Nickname of the feed
void	setTitle(java.lang.String title) Modifier for the title of the feed
java.lang.String	toString() Method for displaying internal state for debugging purposes

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Feed

public Feed(int id,
            java.lang.String title,
            java.lang.String descript,
            java.util.List<java.lang.String> author,
            java.lang.String link,
            java.util.Date lastUpdated,
            java.util.Date lastViewed,
            java.lang.String nickname,
            java.lang.String icon)

Instantiates a new Feed object with the given parameters

Parameters:

id - Unique identifier of the feed

title - Title

descript - Description of feed

author - Author(s) of feed

link - URI

lastUpdated - When feed was last downloaded

lastViewed - When feed was last viewed

nickname - Custom name of feed

icon - Path of icon image

Method Detail

getAuthor

public java.util.List<java.lang.String> getAuthor()

Accessor for the author(s) of the feed

Returns:

Authors of feed

setAuthor

public void setAuthor(java.util.List<java.lang.String> author)

Modifier for the author(s) of the feed

Parameters:

author - Author(s) of feed

getDescript

public java.lang.String getDescript()

Accessor for the description of feed

Returns:

descript Description of feed

setDescript

public void setDescript(java.lang.String descript)

Modifier for the description of feed

Parameters:

descript - Description of feed

getIcon

public java.lang.String getIcon()

Accessor for the path of icon graphic

Returns:

path of icon graphic

setIcon

public void setIcon(java.lang.String icon)

Modifier to set the path to the icon graphic

Parameters:

icon - path of icon graphic

getLastUpdated

public java.util.Date getLastUpdated()

Accessor for the last downloaded date

Returns:

last downloaded date

setLastUpdated

public void setLastUpdated(java.util.Date lastUpdated)

Modifier for the last downloaded date

Parameters:

lastUpdated - last downloaded date

getLastViewed

public java.util.Date getLastViewed()

Accessor for the last viewed date

Returns:

last viewed date

setLastViewed

public void setLastViewed(java.util.Date lastViewed)

Modifier for the last viewed date

Parameters:

lastViewed -

getLink

public java.lang.String getLink()

Accessor for the URI of the feed

Returns:

URI

getNickname

public java.lang.String getNickname()

Accessor for the Nickname of the feed

Returns:

nickname

setNickname

public void setNickname(java.lang.String nickname)

Modifier for the Nickname of the feed

Parameters:

nickname - nickname

getTitle

public java.lang.String getTitle()

Accessor for the title of the feed

Returns:

title of feed

setTitle

public void setTitle(java.lang.String title)

Modifier for the title of the feed

Parameters:

title - of feed

getId

public int getId()

Accessor for the unique identifier of the feed

Returns:

unique identifier of feed

toString

public java.lang.String toString()

Method for displaying internal state for debugging purposes

Overrides:

toString in class java.lang.Object

hashCode

public int hashCode()

HashCode generator for unique storage in HashTables

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Two Feeds are equal only when they are both base feeds and the URI of one equals the URI of the other

Overrides:

equals in class java.lang.Object