/*
* 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 opennlp.uima.namefind;
import java.io.IOException;
import java.io.InputStream;
import opennlp.tools.dictionary.Dictionary;
import opennlp.tools.util.Span;
import opennlp.uima.util.AnnotatorUtil;
import opennlp.uima.util.ExceptionMessages;
import opennlp.uima.util.UimaUtil;
import org.apache.uima.cas.CAS;
import org.apache.uima.resource.ResourceInitializationException;
public class DictionaryNameFinder extends AbstractNameFinder {
private opennlp.tools.namefind.TokenNameFinder mNameFinder;
/**
* Initializes a new instance.
*
* Note: Use {@link #initialize() } to initialize
* this instance. Not use the constructor.
*/
public DictionaryNameFinder() {
super("OpenNLP Dictionary Name annotator");
}
/**
* Initializes the current instance with the given context.
*
* Note: Do all initialization in this method, do not use the constructor.
*/
public void initialize()
throws ResourceInitializationException {
Dictionary nameFinderDictionary;
try {
String modelName = AnnotatorUtil.getRequiredStringParameter(context,
UimaUtil.DICTIONARY_PARAMETER);
InputStream inModel = AnnotatorUtil
.getResourceAsStream(context, modelName);
nameFinderDictionary = new Dictionary(inModel);
} catch (IOException e) {
throw new ResourceInitializationException(
ExceptionMessages.MESSAGE_CATALOG,
ExceptionMessages.IO_ERROR_DICTIONARY_READING,
new Object[] {e.getMessage()});
}
mNameFinder =
new opennlp.tools.namefind.DictionaryNameFinder(nameFinderDictionary);
}
protected Span[] find(CAS cas, String[] tokens) {
return mNameFinder.find(tokens);
}
/**
* Releases allocated resources.
*/
public void destroy() {
mNameFinder = null;
}
}