HTTP Status Codes: An In-Depth Explanation with Ruby Examples

require 'net/http'
uri = URI('http://example.com')
http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Get.new(uri.request_uri)
response = http.request(request)

if response.is_a? Net::HTTPContinue
    puts "Continue: Server is ready for more data"
end

require 'net/http'
uri = URI('http://example.com')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPOK
    puts "OK: Request was successful"
end

require 'net/http'
require 'json'

uri = URI('http://example.com/resource')
data = { 'name' => 'New Resource' }

http = Net::HTTP.new(uri.host, uri.port)
request = Net::HTTP::Post.new(uri.path, 'Content-Type' => 'application/json')
request.body = data.to_json

response = http.request(request)

if response.is_a? Net::HTTPCreated
    puts "Created: Resource successfully created"
end

require 'net/http'

uri = URI('http://example.com/old-location')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPMovedPermanently
    puts "Moved Permanently: Resource has moved to a new location"
end

require 'net/http'

uri = URI('http://example.com/temp-location')
response = Net::HTTP.get_response(uri)

if response.is_a?(Net::HTTPFound) || response.is_a?(Net::HTTPSeeOther)
    puts "Found/See Other: Resource temporarily moved"
end

require 'net/http'

uri = URI('http://example.com/invalid-resource')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPBadRequest
    puts "Bad Request: Client's request is invalid"
end

require 'net/http'

uri = URI('http://example.com/nonexistent-resource')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPNotFound
    puts "Not Found: Resource does not exist"
end

require 'net/http'

uri = URI('http://example.com/error-resource')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPInternalServerError
    puts "Internal Server Error: Server encountered an error"
end

require 'net/http'

uri = URI('http://example.com/unavailable-service')
response = Net::HTTP.get_response(uri)

if response.is_a? Net::HTTPServiceUnavailable
    puts "Service Unavailable: Server cannot handle the request"
end