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Size: 1.9 KB
Versions: 22
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Stored size: 1.9 KB
Contents
#
# Fluentd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
module Fluent
require 'fluent/config/error'
class Registry
def initialize(kind, search_prefix)
@kind = kind
@search_prefix = search_prefix
@map = {}
end
attr_reader :kind
def register(type, value)
type = type.to_sym
@map[type] = value
end
def lookup(type)
type = type.to_sym
if value = @map[type]
return value
end
search(type)
if value = @map[type]
return value
end
raise ConfigError, "Unknown #{@kind} plugin '#{type}'. Run 'gem search -rd fluentd-plugin' to find plugins" # TODO error class
end
def search(type)
path = "#{@search_prefix}#{type}"
# prefer LOAD_PATH than gems
files = $LOAD_PATH.map { |lp|
lpath = File.expand_path(File.join(lp, "#{path}.rb"))
File.exist?(lpath) ? lpath : nil
}.compact
unless files.empty?
# prefer newer version
require files.sort.last
return
end
specs = Gem::Specification.find_all { |spec|
spec.contains_requirable_file? path
}
# prefer newer version
specs = specs.sort_by { |spec| spec.version }
if spec = specs.last
spec.require_paths.each { |lib|
file = "#{spec.full_gem_path}/#{lib}/#{path}"
require file
}
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems