Class: BaseUri

Inherits:
Object
  • Object
show all
Defined in:
lib/libisi/uri/base.rb

Overview

Copyright © 2007-2010 Logintas AG Switzerland

This file is part of Libisi.

Libisi is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Libisi is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with Libisi. If not, see <www.gnu.org/licenses/>.

Direct Known Subclasses

ActiveRecordData, FileData, LdapData, MysqlData

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri, options = {}) ⇒ BaseUri

Returns a new instance of BaseUri.



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# File 'lib/libisi/uri/base.rb', line 22

def initialize(uri, options = {})
  @uri = uri
  @options = options
end

Instance Attribute Details

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/libisi/uri/base.rb', line 20

def options
  @options
end

#uri ⇒ Object

Returns the value of attribute uri.



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# File 'lib/libisi/uri/base.rb', line 20

def uri
  @uri
end

Instance Method Details

#base_uri ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 37

def base_uri
  u = uri.dup
  u.path = ""
  u
end

#credential_hash ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 27

def credential_hash
  uis = (uri.userinfo or "").split(":")
  ret = {}
  # URI unescape to allow special characters, 
  # probably not rfc conform
  ret[:user] = URI.unescape(uis[0]) if uis[0]
  ret[:password] = URI.unescape(uis[1]) if uis[1]
  ret
end

#execute_command(command) ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 51

def execute_command(command)
  return command if uri.host == "localhost"
  l = uri.host
  #  l = "#{uri.userinfo}@#{l}" if uri.userinfo
  execute_on_remote_command(l, command)
end

#find(*args) ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 58

def find(*args)
  options = {}
  options = args.pop if args[-1].class == Hash
  
  raise "No more than one argument allowed at the moment" if
    args.length > 1

  m_items = (self.items or [])
  if conditions = options[:conditions]
    conditions.each {|field, value|
	raise "Only unless Symbol => (Regex|String) pairs allowed for conditions:" +
 "#{field.inspect}(#{field.class.name}) => #{value.inspect}(#{value.class.name})" if
 field.class != Symbol or ![String,Regexp].include?(value.class)

	$log.debug("Filtering items for #{field} => #{value}")

	case value
	when String
 compare_proc = Proc.new {|v| v == value }
	when Regexp
 compare_proc = Proc.new {|v| v =~ value }
	end

	m_items = m_items.select {|i|
 item_value = i.send(field )
 case item_value
 when String
   compare_proc.call(item_value)
 when Array
   item_value.select{|v| compare_proc.call(v)}.length > 0
 when NilClass
   false
 else
   raise "Item field value #{item_value.inspect} of #{i.inspect} has unexpected type #{item_value.class.name}"
 end
	}
	$log.debug("There are still #{m_items.length} items after filter #{field} => #{value}")
    }
  end

  case args.first
  when :first then m_items[0]
  when :last  then m_items[-1]
  when :all   then m_items
  else
    key_proc = primary_key
    key_proc = Proc.new {|i| i.send(primary_key)} if primary_key.class == String
    m_items.each {|i|
	return i if key_proc.call(i).to_s == args.first.to_s
    }
    
    raise self.entry_not_found_exception if self.respond_to?(:entry_not_found_exception)
    raise "Item #{args.first} not found"

  end
end

#password ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 46

def password
  options[:password] or credential_hash[:password] or
    (options[:use_password] and $ui.password("Please enter password for #{base_uri.to_s}"))
end

#user ⇒ Object 



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# File 'lib/libisi/uri/base.rb', line 43

def user
  options[:user] or credential_hash[:user]
end