| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| # |
| |
| class DataBundleDecorator < Draper::Decorator |
| delegate_all |
| |
| FILE_TYPES = { |
| inputs: '/inputs/', |
| intermediates: '/intermediates/', |
| outputs: '/outputs/' |
| } |
| |
| FILE_TYPES.each do |type_key, type_name| |
| define_method :"#{type_key}" do |
| files = manifest['aggregates'].select { |files| files['folder'].start_with?(type_name) } |
| result = {} |
| files.each do |file| |
| key = file['file'].split('/').last.split('.').first |
| result[key] = file_content(file['file']) |
| end |
| return result |
| end |
| end |
| |
| def file_content(file) |
| File.new("#{object.file_path}#{file}", 'r').read |
| end |
| |
| def manifest |
| if @manifest.nil? |
| file = File.new("#{object.file_path}.ro/manifest.json", 'r') |
| @manifest = JSON.parse(file.read) |
| end |
| |
| @manifest |
| end |
| |
| def workflow |
| if @workflow.nil? |
| manifest = Nokogiri::XML(File.open("#{object.file_path}#{DataBundle::EXTRACTED_WORKFLOW_PATH}/META-INF/manifest.xml")) |
| t2flow_name = manifest.xpath('//manifest:file-entry[@manifest:media-type="application/vnd.taverna.t2flow+xml"][@manifest:size]').first['manifest:full-path'] |
| file = File.open("#{object.file_path}#{DataBundle::EXTRACTED_WORKFLOW_PATH}/#{t2flow_name}") |
| @workflow = T2Flow::Parser.new.parse(file) |
| end |
| |
| @workflow |
| end |
| |
| def to_json |
| stream = [] |
| workflow.datalinks.each { |link| stream << write_link(link, workflow) } |
| stream |
| end |
| |
| def write_link(link, dataflow) |
| stream = {} |
| if dataflow.sources.select { |s| s.name == link.source } != [] |
| stream[:source] = link.source |
| stream[:file_content] = inputs[link.source] unless inputs[link.source].nil? |
| else |
| processor = dataflow.processors.select { |p| p.name == link.source.split(':')[0] }[0] |
| stream[:source] = processor.name |
| end |
| if dataflow.sinks.select { |s| s.name == link.sink } != [] |
| stream[:target] = link.sink |
| else |
| processor = dataflow.processors.select { |p| p.name == link.sink.split(':')[0] }[0] |
| stream[:target] = processor.name |
| end |
| stream |
| end |
| end |