| /* |
| * 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. |
| */ |
| package org.apache.taverna.provenance.lineageservice; |
| |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.log4j.Logger; |
| import org.jdom.Document; |
| import org.jdom.Element; |
| import org.jdom.JDOMException; |
| import org.jdom.input.SAXBuilder; |
| |
| /** |
| * @author Paolo Missier |
| * |
| */ |
| public class AnnotationsLoader { |
| private static Logger logger = Logger.getLogger(AnnotationsLoader.class); |
| |
| /** |
| * @param annotationFile |
| * by convention we use <workflow file name>+"annotations" |
| * @return a map pname -> annotation so that the lineage query alg can use |
| * the annotation when processing pname |
| */ |
| @SuppressWarnings("unchecked") |
| public Map<String,List<String>> getAnnotations(String annotationFile) { |
| Map<String, List<String>> procAnnotations = new HashMap<>(); |
| |
| // load XML file as doc |
| // parse the event into DOM |
| SAXBuilder b = new SAXBuilder(); |
| |
| try { |
| Document d = b.build(new FileReader(annotationFile)); |
| if (d == null) |
| return null; |
| |
| // look for all processor elements |
| for (Element el : (List<Element>) d.getRootElement().getChildren()) { |
| String pName = el.getAttributeValue("name"); |
| logger.info("processor name: " + pName); |
| |
| List<String> annotations = new ArrayList<>(); |
| // extract all annotations for this pname |
| |
| for (Element annotElement : (List<Element>) el.getChildren()) { |
| String annot = annotElement.getAttributeValue("type"); |
| logger.info("annotation: " + annot); |
| |
| // add this annotation |
| annotations.add(annot); |
| } |
| |
| procAnnotations.put(pName, annotations); |
| } |
| } catch (JDOMException | IOException e) { |
| logger.error("Problem getting annotations from: " + annotationFile, |
| e); |
| } |
| return procAnnotations; |
| } |
| } |