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AtomFeed: Atom feed class

AtomFeed: Atom feed class
In atom4R: Tools to Handle and Publish Metadata as 'Atom' XML Format

AtomFeedR Documentation

Atom feed class

Description

This class models an atom feed

Format

R6Class object.

Details

AtomFeed

Value

Object of R6Class for modelling an Atom feed

Methods

new(xml)

This method is used to create an Atom Feed

setId(id)

Set identifier

setUpdated(updated)

Set update date (object of class 'character' or 'POSIX')

addLink(link, rel, type)

Adds a link. Default rel value is set to "alternate". Default type value is set to "text/html"

delLink(link, rel, type)

Deletes a link

setSelfLink(link)

Sets a self-relation link

setAlternateLink(link, type)

Sets an alternate-relation link. Default type is "text/html"

setTitle(title)

Set title

setSubtitle(subtitle)

Set subtitle

addAuthor(author)

Adds an author, object of class AtomAuthor

delAuthor(author)

Deletes an author, object of class AtomAuthor

addContributor(contributor)

Adds a contributor, object of class AtomContributor

delContributor(contributor)

Deletes a contributor, object of class AtomContributor

setGenerator(generator, type)

Sets generator

setIcon(icon)

Sets icon

addCategory(term, scheme, label)

Adds a category

delCategory(term, scheme, label)

Deletes a category

addEntry(entry)

Adds an entry, object of class AtomEntry

delEntry(entry)

Deletes an entry, object of class AtomEntry

Super classes

atom4R::atom4RLogger -> atom4R::AtomAbstractObject -> AtomFeed

Public fields

id

Identifier

updated

Update date

published

Publication date

title

Title

subtitle

Subtitle

rights

Rights (license, use, ...)

author

Author person

contributor

Contributor person

generator

Generator

icon

Icon

logo

Logo

category

Category

link

links

entry

List of entries

Methods

Public methods

Inherited methods

Method new()

Initializes a AtomFeed

Usage
AtomFeed$new(xml = NULL)
Arguments
xml

object of class XMLInternalNode-class from XML

Method setId()

Set ID

Usage
AtomFeed$setId(id)
Arguments
id

id

Method setUpdated()

Set updated date

Usage
AtomFeed$setUpdated(updated)
Arguments
updated

object of class Date or POSIXt

Method setPublished()

Set published date

Usage
AtomFeed$setPublished(published)
Arguments
published

object of class Date or POSIXt

Method addLink()

Adds link

Usage
AtomFeed$addLink(link, rel = "alternate", type = "text/html")
Arguments
link

link

rel

relation. Default is "alternate"

type

type. Default is "text/html"

Returns

TRUE if added, FALSE otherwise

Method delLink()

Deletes link

Usage
AtomFeed$delLink(link, rel = "alternate", type = "text/html")
Arguments
link

link

rel

relation. Default is "alternate"

type

type. Default is "text/html"

Returns

TRUE if deleted, FALSE otherwise

Method setSelfLink()

Set self link

Usage
AtomFeed$setSelfLink(link)
Arguments
link

link

Returns

TRUE if set, FALSE otherwise

Method setAlternateLink()

Set alternate link

Usage
AtomFeed$setAlternateLink(link, type = "text/html")
Arguments
link

link

type

type. Default is "text/html"

Returns

TRUE if set, FALSE otherwise

Method setTitle()

Set title

Usage
AtomFeed$setTitle(title, type = "text")
Arguments
title

title

type

type. Default is "text"

Method setSubtitle()

Set subtitle

Usage
AtomFeed$setSubtitle(subtitle, type = "text")
Arguments
subtitle

subtitle

type

type. Default is "text"

Method setRights()

Set rights

Usage
AtomFeed$setRights(rights, type = "text")
Arguments
rights

rights

type

type. Default is "text"

Method addAuthor()

Adds author

Usage
AtomFeed$addAuthor(author)
Arguments
author

object of class AtomAuthor

Returns

TRUE if added, FALSE otherwise

Method delAuthor()

Deletes author

Usage
AtomFeed$delAuthor(author)
Arguments
author

object of class AtomAuthor

Returns

TRUE if deleted, FALSE otherwise

Method addContributor()

Adds contributor

Usage
AtomFeed$addContributor(contributor)
Arguments
contributor

object of class AtomContributor

Returns

TRUE if added, FALSE otherwise

Method delContributor()

Deletes contributor

Usage
AtomFeed$delContributor(contributor)
Arguments
contributor

object of class AtomContributor

Returns

TRUE if deleted, FALSE otherwise

Method setGenerator()

Set generator

Usage
AtomFeed$setGenerator(generator, type = "text")
Arguments
generator

generator

type

type. Default is "text"

Method setIcon()

Set icon

Usage
AtomFeed$setIcon(icon)
Arguments
icon

icon

Method addCategory()

Adds category

Usage
AtomFeed$addCategory(value, term, scheme = NULL, label = NULL)
Arguments
value

value

term

term

scheme

scheme

label

label

Returns

TRUE if added, FALSE otherwise

Method delCategory()

Deletes category

Usage
AtomFeed$delCategory(value, term, scheme = NULL, label = NULL)
Arguments
value

value

term

term

scheme

scheme

label

label

Returns

TRUE if deleted, FALSE otherwise

Method addEntry()

Adds an entry

Usage
AtomFeed$addEntry(entry)
Arguments
entry

object of class AtomEntry

Returns

TRUE if added, FALSE otherwise

Method delEntry()

Deletes an entry

Usage
AtomFeed$delEntry(entry)
Arguments
entry

object of class AtomEntry

Returns

TRUE if deleted, FALSE otherwise

Method clone()

The objects of this class are cloneable with this method.

Usage
AtomFeed$clone(deep = FALSE)
Arguments
deep

Whether to make a deep clone.

Author(s)

Emmanuel Blondel <emmanuel.blondel1@gmail.com>

Examples

  #encoding
  atom <- AtomFeed$new()
  atom$setId("my-atom-feed")
  atom$setTitle("My Atom feed title")
  atom$setSubtitle("MyAtom feed subtitle")
  author1 <- AtomAuthor$new(
    name = "John Doe",
    uri = "http://www.atomxml.com/johndoe",
    email = "johndoe@atom4R.com"
  )
  atom$addAuthor(author1)
  author2 <- AtomAuthor$new(
    name = "John Doe's sister",
    uri = "http://www.atomxml.com/johndoesister",
    email = "johndoesister@atom4R.com"
  )
  atom$addAuthor(author2)
  contrib1 <- AtomContributor$new(
    name = "Contrib1",
    uri = "http://www.atomxml.com/contrib1",
    email = "contrib1@atom4R.com"
  )
  atom$addContributor(contrib1)
  contrib2 <- AtomContributor$new(
    name = "Contrib2",
    uri = "http://www.atomxml.com/contrib2",
    email = "contrib2@atom4R.com"
  )
  atom$addContributor(contrib2)
  atom$setIcon("https://via.placeholder.com/300x150.png/03f/fff?text=atom4R")
  atom$setSelfLink("http://example.com/atom.feed")
  atom$setAlternateLink("http://example.com/my-atom-feed")
  atom$addCategory("draft", "dataset")
  atom$addCategory("world", "spatial")
  atom$addCategory("fisheries", "domain")
  #add entry
  entry <- AtomEntry$new()
  entry$setId("my-atom-entry")
  entry$setTitle("My Atom feed entry")
  entry$setSummary("My Atom feed entry very comprehensive abstract")
  author1 <- AtomAuthor$new(
    name = "John Doe",
    uri = "http://www.atomxml.com/johndoe",
    email = "johndoe@atom4R.com"
  )
  entry$addAuthor(author1)
  author2 <- AtomAuthor$new(
    name = "John Doe's sister",
    uri = "http://www.atomxml.com/johndoesister",
    email = "johndoesister@atom4R.com"
  )
  entry$addAuthor(author2)
  contrib1 <- AtomContributor$new(
    name = "Contrib1",
    uri = "http://www.atomxml.com/contrib1",
    email = "contrib1@atom4R.com"
  )
  entry$addContributor(contrib1)
  contrib2 <- AtomContributor$new(
    name = "Contrib2",
    uri = "http://www.atomxml.com/contrib2",
    email = "contrib2@atom4R.com"
  )
  entry$addContributor(contrib2)
  entry$addCategory("draft", "dataset")
  entry$addCategory("world", "spatial")
  entry$addCategory("fisheries", "domain")
  atom$addEntry(entry)
  xml <- atom$encode()

atom4R documentation built on Sept. 1, 2025, 5:09 p.m.

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