Class: FeedParser::AtomFeedBuilder
- Inherits:
-
Object
- Object
- FeedParser::AtomFeedBuilder
- Includes:
- LogUtils::Logging
- Defined in:
- lib/feedparser/builder/atom.rb
Class Method Summary collapse
Instance Method Summary collapse
- #build_feed(atom_feed) ⇒ Object
- #build_feed_item(atom_item) ⇒ Object
-
#handle_content(el, name) ⇒ Object
rename to handle_plain_vanilla_text_content - why? why not?.
- #handle_date(el, name) ⇒ Object
-
#initialize(atom_feed) ⇒ AtomFeedBuilder
constructor
A new instance of AtomFeedBuilder.
- #to_feed ⇒ Object
Constructor Details
#initialize(atom_feed) ⇒ AtomFeedBuilder
Returns a new instance of AtomFeedBuilder.
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# File 'lib/feedparser/builder/atom.rb', line 15 def initialize( atom_feed ) @feed = build_feed( atom_feed ) end |
Class Method Details
.build(atom_feed) ⇒ Object
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# File 'lib/feedparser/builder/atom.rb', line 10 def self.build( atom_feed ) feed = self.new( atom_feed ) feed.to_feed end |
Instance Method Details
#build_feed(atom_feed) ⇒ Object
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# File 'lib/feedparser/builder/atom.rb', line 25 def build_feed( atom_feed ) feed = Feed.new feed.format = 'atom' feed.title = handle_content( atom_feed.title, 'feed.title' ) logger.debug " atom | feed.id.content >#{atom_feed.id.content}< : #{atom_feed.id.content.class.name}" feed.url = nil ## note: use links (plural to allow multiple links e.g. self,alternate,etc.) atom_feed.links.each_with_index do |link,i| logger.debug " atom | feed.link[#{i+1}] rel=>#{link.rel}< : #{link.rel.class.name} type=>#{link.type}< href=>#{link.href}<" ## for now assume alternate is link or no rel specified (assumes alternate) ## note: only set if feed.url is NOT already set (via <id> for example) if feed.url.nil? && (link.rel == 'alternate' || link.rel.nil?) feed.url = link.href end end if feed.url.nil? ### todo/fix: issue warning - no link found!!!! end ## note: as fallback try id if still no url found - why?? why not?? ## use url only if starts_with http ## might not be link e.g blogger uses for ids => ## <id>tag:blogger.com,1999:blog-4704664917418794835</id> ## ## note: id might actually be link to feed NOT to site (remove fallback - why - why not???) ## ## Note: remove (strip) leading and trailing spaces and newlines if feed.url.nil? && atom_feed.id.content.strip.start_with?( 'http' ) feed.url = atom_feed.id.content.strip end if atom_feed.updated feed.updated = handle_date( atom_feed.updated, 'feed.updated' ) end if atom_feed.generator ## Note: remove (strip) leading and trailing spaces and newlines feed.generator = atom_feed.generator.content.strip logger.debug " atom | feed.generator.content >#{atom_feed.generator.content}< : #{atom_feed.generator.content.class.name}" # pp atom_feed.generator feed.generator_version = atom_feed.generator.version feed.generator_uri = atom_feed.generator.uri logger.debug " atom | feed.generator.version >#{atom_feed.generator.version}< : #{atom_feed.generator.version.class.name}" logger.debug " atom | feed.generator.uri >#{atom_feed.generator.uri}< : #{atom_feed.generator.uri.class.name}" end if atom_feed.subtitle feed.summary = handle_content( atom_feed.subtitle, 'feed.subtitle => summary' ) end items = [] atom_feed.items.each do |atom_item| items << build_feed_item( atom_item ) end feed.items = items feed # return new feed end |
#build_feed_item(atom_item) ⇒ Object
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# File 'lib/feedparser/builder/atom.rb', line 95 def build_feed_item( atom_item ) item = Item.new # Item.new item.title = handle_content( atom_item.title, 'item.title' ) ## Note: item might have many links ## e.g. see blogger (headius) ## <link rel='replies' type='application/atom+xml' href='http://blog.headius.com/feeds/3430080308857860963/comments/default' title='Post Comments'/> ## <link rel='replies' type='text/html' href='http://blog.headius.com/2014/05/jrubyconfeu-2014.html#comment-form' title='0 Comments'/> ## <link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/4704664917418794835/posts/default/3430080308857860963'/> ## <link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/4704664917418794835/posts/default/3430080308857860963'/> ## <link rel='alternate' type='text/html' href='http://blog.headius.com/2014/05/jrubyconfeu-2014.html' item.url = nil if atom_item.links.size == 1 item.url = atom_item.link.href logger.debug " atom | item.link.href >#{atom_item.link.href}< : #{atom_item.link.href.class.name}" else ## note: use links (plural to allow multiple links e.g. self,alternate,etc.) atom_item.links.each_with_index do |link,i| logger.debug " atom | item.link[#{i+1}] rel=>#{link.rel}< : #{link.rel.class.name} type=>#{link.type}< href=>#{link.href}<" ## for now assume alternate is link or no rel specified (assumes alternate) ## note: only set if feed.url is NOT already set (via <id> for example) if item.url.nil? && (link.rel == 'alternate' || link.rel.nil?) item.url = link.href end end end if atom_item.updated item.updated = handle_date( atom_item.updated, 'item.updated' ) end if atom_item.published item.published = handle_date( atom_item.published, 'item.published' ) end item.guid = atom_item.id.content logger.debug " atom | item.id.content >#{atom_item.id.content}< : #{atom_item.id.content.class.name}" if atom_item.content item.content = atom_item.content.content end if atom_item.summary item.summary = handle_content( atom_item.summary, 'item.summary' ) end item end |
#handle_content(el, name) ⇒ Object
rename to handle_plain_vanilla_text_content - why? why not?
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# File 'lib/feedparser/builder/atom.rb', line 175 def handle_content( el, name ) ## rename to handle_plain_vanilla_text_content - why? why not? ### todo/fix: if type html ?? strip html tags n attributes ## always strip html tags n attributes?? why? why not? ## check if content.nil? possible e.g. <title></title> => empty string or nil? ## note: dump head (first 30 chars) logger.debug " atom | #{name}.content[0..30] (type=>#{el.type}<) >#{el.content[0..30]}< : #{el.content.class.name}" ## note: always strip leading and trailing whitespaces (spaces/tabs/newlines) text = el.content.strip text end |
#handle_date(el, name) ⇒ Object
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# File 'lib/feedparser/builder/atom.rb', line 151 def handle_date( el, name ) ## change time to utc if present? why? why not? # -- .utc.strftime( "%Y-%m-%d %H:%M" ) ############### # examples: # 2015-01-02 01:56:06 +0100 logger.debug " atom | #{name}.content >#{el.content}< : #{el.content.class.name}" # NOTE: empty updated.content possible e.g. used by google groups feed (e.g. <updated></updated>) # will return nil : NilClass ## convert from time to to_datetime (avoid errors on windows w/ builtin rss lib) date = if el.content.nil? nil else el.content.to_datetime end date end |
#to_feed ⇒ Object
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# File 'lib/feedparser/builder/atom.rb', line 19 def to_feed @feed end |