/*
 * 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.fit.examples.tutorial.ex1;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.uima.fit.component.JCasAnnotator_ImplBase;
import org.apache.uima.fit.descriptor.TypeCapability;
import org.apache.uima.fit.examples.tutorial.type.RoomNumber;
import org.apache.uima.jcas.JCas;

/**
 * Here, the type capabilities are annotated using the @TypeCapability annotation which are used by
 * the AnalysisEngineFactory to specify this information in the descriptors returned by, e.g.
 * AnalysisEngineFactory.createPrimitive().
 * 
 * This class was copied from the uimaj-examples project and modified in following ways:
 * <ul>
 * <li>The package name was changed to org.apache.uima.fit.tutorial.ex1</li>
 * <li>The super class was changed to org.apache.uima.fit.component.JCasAnnotator_ImplBase</li>
 * <li>The class is annotated with org.apache.uima.fit.descriptor.TypeCapability</li>
 * </ul>
 */
@TypeCapability(outputs = { "org.apache.uima.tutorial.RoomNumber",
    "org.apache.uima.tutorial.RoomNumber:building" })
public class RoomNumberAnnotator extends JCasAnnotator_ImplBase {
  private Pattern mYorktownPattern = Pattern.compile("\\b[0-4]\\d-[0-2]\\d\\d\\b");

  private Pattern mHawthornePattern = Pattern.compile("\\b[G1-4][NS]-[A-Z]\\d\\d\\b");

  /**
   * @see JCasAnnotator_ImplBase#process(JCas)
   */
  @Override
  public void process(JCas aJCas) {
    // get document text
    String docText = aJCas.getDocumentText();
    // search for Yorktown room numbers
    Matcher matcher = mYorktownPattern.matcher(docText);
    while (matcher.find()) {
      // found one - create annotation
      RoomNumber annotation = new RoomNumber(aJCas, matcher.start(), matcher.end());
      annotation.setBuilding("Yorktown");
      annotation.addToIndexes();
    }
    // search for Hawthorne room numbers
    matcher = mHawthornePattern.matcher(docText);
    while (matcher.find()) {
      // found one - create annotation
      RoomNumber annotation = new RoomNumber(aJCas, matcher.start(), matcher.end());
      annotation.setBuilding("Hawthorne");
      annotation.addToIndexes();
    }
  }
}
