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Contents
module Cul::Hydra::Solrizer
# This class uses a yaml map to translate field values for solr
class ValueMapper
def self.load_value_maps(config_path=nil)
if config_path.nil?
if defined?(Rails.root) && !Rails.root.nil?
config_path = File.join(Rails.root, "config", "solr_value_maps.yml")
end
# Default to using the config file within the gem
if !File.exist?(config_path.to_s)
config_path = File.join(File.dirname(__FILE__), "..", "..", "..", "config", "solr_value_maps.yml")
end
end
#logger.info("ValueMapper: loading field value maps from #{File.expand_path(config_path)}")
YAML::load(File.open(config_path))
end
def self.default_value_maps
@@value_maps ||= self.load_value_maps
end
# Instance methods
def initialize(value_maps=nil)
@value_maps = (value_maps || Cul::Hydra::Solrizer::ValueMapper.default_value_maps).with_indifferent_access
@mapped_fields = {}.with_indifferent_access
end
def maps_field?(field_key)
@mapped_fields.has_key? field_key
end
def map_field(field_key, map_key)
@mapped_fields[field_key] = map_key
end
def map_value(field_key, value_key)
map_key = @mapped_fields[field_key]
return value_key unless @mapped_fields.has_key? field_key and @value_maps.has_key? map_key
if value_key.is_a? Array
value_key.collect{ |val| @value_maps[map_key].fetch(val, val) }
else
@value_maps[map_key].fetch(value_key, value_key)
end
end
end
end
Version data entries
80 entries across 80 versions & 2 rubygems