/*
* 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 com.github.le11.nls.lucene;
import org.apache.commons.io.IOUtils;
import org.apache.uima.UIMAFramework;
import org.apache.uima.aae.client.UimaAsBaseCallbackListener;
import org.apache.uima.aae.client.UimaAsynchronousEngine;
import org.apache.uima.adapter.jms.client.BaseUIMAAsynchronousEngine_impl;
import org.apache.uima.analysis_engine.AnalysisEngine;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.cas.CAS;
import org.apache.uima.collection.EntityProcessStatus;
import org.apache.uima.resource.ResourceInitializationException;
import org.apache.uima.resource.ResourceSpecifier;
import org.apache.uima.util.InvalidXMLException;
import org.apache.uima.util.XMLInputSource;
import java.io.IOException;
import java.io.Reader;
import java.net.URL;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Utility class for UIMA related common activities
*/
public class UIMAAnalyzersUtils {
private static UIMAAnalyzersUtils instance;
private UIMAAnalyzersUtils() {
}
public static UIMAAnalyzersUtils getInstance() {
if (instance == null) {
instance = new UIMAAnalyzersUtils();
}
return instance;
}
public CAS analyzeInput(Reader input, String descriptorPath) throws InvalidXMLException,
IOException, ResourceInitializationException, AnalysisEngineProcessException {
URL url = UIMAAnalyzersUtils.class.getResource(descriptorPath);
XMLInputSource in = new XMLInputSource(url);
ResourceSpecifier specifier = UIMAFramework.getXMLParser().parseResourceSpecifier(in);
AnalysisEngine ae = UIMAFramework.produceAnalysisEngine(specifier);
// AEProvider aeProvider = AEProviderFactory.getInstance().getAEProvider("", descriptorPath, new
// HashMap<String, Object>());
// AnalysisEngine ae = aeProvider.getAE();
CAS cas = ae.newCAS();
cas.setDocumentText(IOUtils.toString(input));
ae.process(cas);
ae.destroy();
return cas;
}
public CAS analyzeAsynchronously(Reader input, String queueName) throws Exception {
final UimaAsynchronousEngine uimaAsEngine = new BaseUIMAAsynchronousEngine_impl();
uimaAsEngine.addStatusCallbackListener(new SimpleUimaAsBaseCallbackListener());
Map<String, Object> appCtx = new HashMap<String, Object>();
appCtx.put(UimaAsynchronousEngine.ServerUri, "tcp://localhost:61616");
appCtx.put(UimaAsynchronousEngine.Endpoint, queueName);
appCtx.put(UimaAsynchronousEngine.CasPoolSize, 2);
uimaAsEngine.initialize(appCtx);
CAS cas = uimaAsEngine.getCAS();
String text = IOUtils.toString(input);
cas.setDocumentText(text);
uimaAsEngine.sendAndReceiveCAS(cas);
return cas;
}
class SimpleUimaAsBaseCallbackListener extends UimaAsBaseCallbackListener {
@Override
public void entityProcessComplete(CAS aCas, EntityProcessStatus aStatus) {
if (aStatus != null && aStatus.isException()) {
List exceptions = aStatus.getExceptions();
for (int i = 0; i < exceptions.size(); i++) {
((Throwable) exceptions.get(i)).printStackTrace();
}
try {
} catch (Exception e) {
e.printStackTrace();
}
return;
}
}
}
}