How to call method of one class in another class

Ruby
1

Hi all,

Any help is appreciated.

I have a class namely,

class Web
include HTTParty

headers ‘Accept’ => ‘application/xml’
format :xml

end

And I have another class,

class AtomFormats < HTTParty::Parser
include HTTParty
SupportedFormats.merge!(
{ “application/atom+xml” => :atom}
)
def atom
headers ‘Accept’ => ‘application/atom+xml’
format :atom
end
end

I need to change the headers and format present in Class web to those
parameters present in Class Atomformats.

How can I make a call from Class web to Class Atomformats to make the
change happen

Thanks

2

Since classes are objects themselves, they also have methods. To define
class methods,

class MyClass
def self.my_method
p self
end
end

MyClass.my_method

Hope this helped.

3

Michael S. wrote in post #1036318:

Since classes are objects themselves, they also have methods. To define
class methods,

class MyClass
def self.my_method
p self
end
end

MyClass.my_method

Hope this helped.

Hi Michael,

I am confused.

Can you please say the example by editing my code itself.

Thanks in Advance

4

Not sure why exactly, but nokogiri installed fine on my desktop, but
I’ve been
fighting with the installation for hours on my MacBook Pro. When I did a
search,
it seems that this isn’t limited to nokogiri, and can’t seem to come up
with a
definitive fix. Here is what was logged in the gem_make.out file:

/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/bin/ruby extconf.rb
–with-xslt-dir=/usr/local/Cellar/libxslt/1.1.26
checking for libxml/parser.h… *** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers. Check the mkmf.log file for more
details. You may need configuration options.

/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:368:in
try_do': The complier failed to generate an executable file. (RuntimeError) You have to install development tools first. from /Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:452:intry_cpp’
from
/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:853:in
block in find_header' from /Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:693:inblock in checking_for’
from
/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:280:in
block (2 levels) in postpone' from /Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:254:inopen’
from
/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:280:in
block in postpone' from /Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:254:inopen’
from
/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:276:in
postpone' from /Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:692:inchecking_for’
from
/Users/wayneb/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/1.9.1/mkmf.rb:852:in
find_header' from extconf.rb:96:in’

I reinstalled the lasted Xcode “just in case”… that didn’t fix
anything.

Anybody have a fix for this? It seems several gems have seen this issue,
so I’m
hoping by posting on the larger ruby list somebody else might have seen
this and
have a solution for it.

Wayne