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Versions: 6
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Stored size: 1.56 KB
Contents
require "erb"
require "json"
require "yaml"
require "json_schema"
module JsonSchemaRails
module Loaders
class Base
attr_writer :cache
def initialize(options = {})
@cache = options.fetch(:cache) { true }
end
def cache?
!!@cache
end
def clear
cache_data.clear
end
def load_schema(schema_path)
load_schema!(schema_path)
rescue SchemaNotFound
nil
end
def load_schema!(schema_path)
raise NotImplementedError
end
protected
def with_cache(name)
if cache?
cache_data.fetch(name) { cache_data[name] = yield }
else
yield
end
end
def cache_data
@cache_data ||= {}
end
def load_schema_file(file_path)
JsonSchema.parse!(load_schema_content(file_path))
rescue JsonSchema::SchemaError => e
raise SchemaParseError.new(e.mssage, e.schema)
end
def load_schema_content(file_path)
contents = ERB.new(IO.read(file_path)).result
case File.extname(file_path)
when '.json'
JSON.load(contents)
when '.yaml', '.yml'
YAML.load(contents)
else
raise ArgumentError, "Unknown schema file type"
end
rescue Errno::ENOENT
raise SchemaNotFound
rescue JSON::ParserError => e
raise SchemaParseError, "Failed to parse schema: #{e.message}"
rescue YAML::SyntaxError => e
raise SchemaParseError, "Failed to parse schema: #{e.message}"
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems