| /* |
| * 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.uima.tutorial.ex6; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.StringTokenizer; |
| |
| import org.apache.uima.UimaContext; |
| import org.apache.uima.analysis_component.AnalysisComponent; |
| import org.apache.uima.analysis_component.JCasAnnotator_ImplBase; |
| import org.apache.uima.analysis_engine.AnalysisEngineProcessException; |
| import org.apache.uima.cas.FSIndex; |
| import org.apache.uima.cas.FSIterator; |
| import org.apache.uima.jcas.JCas; |
| import org.apache.uima.resource.ResourceAccessException; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.tutorial.Meeting; |
| import org.apache.uima.tutorial.UimaMeeting; |
| |
| /** |
| * Example annotator that iterates over Meeting annotations and annotates a meeting as a UimaMeeting |
| * if a UIMA acronym occurs in close proximity to that meeting. When combined in an aggregate TAE |
| * with the UimaAcronymAnnotator, demonstrates the use of the ResourceManager to share data between |
| * annotators. |
| * |
| * |
| */ |
| public class UimaMeetingAnnotator extends JCasAnnotator_ImplBase { |
| /** Map whose keys are UIMA terms. */ |
| private StringMapResource mMap; |
| |
| /** |
| * @see AnalysisComponent#initialize(UimaContext) |
| */ |
| public void initialize(UimaContext aContext) throws ResourceInitializationException { |
| super.initialize(aContext); |
| try { |
| // get a reference to the String Map Resource |
| mMap = (StringMapResource) getContext().getResourceObject("UimaTermTable"); |
| } catch (ResourceAccessException e) { |
| throw new ResourceInitializationException(e); |
| } |
| } |
| |
| /** |
| * @see JCasAnnotator_ImplBase#process(JCas) |
| */ |
| public void process(JCas aJCas) throws AnalysisEngineProcessException { |
| // get document text |
| String text = aJCas.getDocumentText(); |
| |
| // We iterate over all Meeting annotations, and if we determine that |
| // the topic of a meeting is UIMA-related, we create a UimaMeeting |
| // annotation. We add each UimaMeeting annotation to a list, and then |
| // later go back and add these to the CAS indexes. We need to do this |
| // because it's not allowed to add to an index that you're currently |
| // iterating over. |
| List uimaMeetings = new ArrayList(); |
| |
| FSIndex meetingIndex = aJCas.getAnnotationIndex(Meeting.type); |
| FSIterator iter = meetingIndex.iterator(); |
| while (iter.isValid()) { |
| Meeting meeting = (Meeting) iter.get(); |
| // get span of text within 50 chars on either side of meeting |
| // (window size should probably be a config. param) |
| int begin = meeting.getBegin() - 50; |
| int end = meeting.getEnd() + 50; |
| if (begin < 0) { |
| begin = 0; |
| } |
| if (end > text.length()) { |
| end = text.length(); |
| } |
| String window = text.substring(begin, end); |
| |
| // look for UIMA acronyms within this window |
| StringTokenizer tokenizer = new StringTokenizer(window, " \t\n\r.<.>/?\";:[{]}\\|=+()!"); |
| while (tokenizer.hasMoreTokens()) { |
| String token = tokenizer.nextToken(); |
| // look up token in map to see if it is an acronym |
| if (mMap.get(token) != null) { |
| // create annotation |
| UimaMeeting annot = new UimaMeeting(aJCas, meeting.getBegin(), meeting.getEnd(), meeting |
| .getRoom(), meeting.getDate(), meeting.getStartTime(), meeting.getEndTime()); |
| // Add annotation to a list, to be later added to the indexes. |
| // We need to do this because it's not allowed to add to an |
| // index that you're currently iterating over. |
| uimaMeetings.add(annot); |
| break; |
| } |
| } |
| |
| iter.moveToNext(); |
| } |
| |
| Iterator uimaMeetingIter = uimaMeetings.iterator(); |
| while (uimaMeetingIter.hasNext()) { |
| UimaMeeting annot = (UimaMeeting) uimaMeetingIter.next(); |
| annot.addToIndexes(); |
| } |
| } |
| |
| } |