| /* |
| * 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.ex5; |
| |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| import java.util.regex.PatternSyntaxException; |
| |
| import org.apache.uima.UimaContext; |
| import org.apache.uima.analysis_component.AnalysisComponent; |
| import org.apache.uima.analysis_component.JCasAnnotator_ImplBase; |
| import org.apache.uima.jcas.JCas; |
| import org.apache.uima.resource.ResourceInitializationException; |
| import org.apache.uima.tutorial.RoomNumber; |
| import org.apache.uima.util.Level; |
| |
| /** |
| * Example annotator that detects room numbers using Java 1.4 regular expressions. |
| */ |
| public class RoomNumberAnnotator extends JCasAnnotator_ImplBase { |
| private Pattern[] mPatterns; |
| |
| private String[] mLocations; |
| |
| public static final String MESSAGE_DIGEST = "org.apache.uima.tutorial.ex5.RoomNumberAnnotator_Messages"; |
| |
| /** |
| * @see AnalysisComponent#initialize(UimaContext) |
| */ |
| public void initialize(UimaContext aContext) throws ResourceInitializationException { |
| super.initialize(aContext); |
| // Get config. parameter values |
| String[] patternStrings = (String[]) aContext.getConfigParameterValue("Patterns"); |
| mLocations = (String[]) aContext.getConfigParameterValue("Locations"); |
| |
| // compile regular expressions |
| mPatterns = new Pattern[patternStrings.length]; |
| for (int i = 0; i < patternStrings.length; i++) { |
| try { |
| mPatterns[i] = Pattern.compile(patternStrings[i]); |
| } catch (PatternSyntaxException e) { |
| throw new ResourceInitializationException(MESSAGE_DIGEST, "regex_syntax_error", |
| new Object[] { patternStrings[i] }, e); |
| } |
| } |
| } |
| |
| /** |
| * @see JCasAnnotator_ImplBase#process(JCas) |
| */ |
| public void process(JCas aJCas) { |
| // get document text |
| String docText = aJCas.getDocumentText(); |
| |
| // loop over patterns |
| for (int i = 0; i < mPatterns.length; i++) { |
| Matcher matcher = mPatterns[i].matcher(docText); |
| while (matcher.find()) { |
| // found one - create annotation |
| RoomNumber annotation = new RoomNumber(aJCas); |
| annotation.setBegin(matcher.start()); |
| annotation.setEnd(matcher.end()); |
| annotation.addToIndexes(); |
| annotation.setBuilding(mLocations[i]); |
| getContext().getLogger().log(Level.FINEST, "Found: " + annotation); |
| } |
| } |
| } |
| |
| } |