/*******************************************************************************
* Copyright 2015-2016 - CNRS (Centre National de Recherche Scientifique)
*
* 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 eu.project.ttc.engines.exporter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import org.apache.uima.UimaContext;
import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.cas.FSIterator;
import org.apache.uima.cas.Feature;
import org.apache.uima.cas.FeatureStructure;
import org.apache.uima.jcas.JCas;
import org.apache.uima.jcas.tcas.Annotation;
import org.apache.uima.resource.ResourceInitializationException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import eu.project.ttc.types.WordAnnotation;
/**
* Created by smeoni on 01/12/15.
*/
public class JsonCasExporter extends CasExporter {
private static final Logger LOGGER = LoggerFactory.getLogger(JsonCasExporter.class);
public static final String[] STRING_FEATURES = {"lemma", "tag", };
public static final String[] INT_FEATURES = {"begin", "end"};
public static final String[] DOUBLE_FEATURES = {};
@Override
public void initialize(UimaContext context) throws ResourceInitializationException {
super.initialize(context);
}
@Override
public void process(JCas aJCas) throws AnalysisEngineProcessException {
/*
* Cette méthode est appelée par le framework UIMA
* pour chaque document de ta collection (corpus).
*
* Tu peux générer ton fichier compagnon dans cette méthode.
* (Je te donne l'astuce pour retrouver le nom et le chemin du fichier
* de ton corpus correspondant au CAS passé en paramètre de cette
* méthode plus tard)
*/
FSIterator<Annotation> it = aJCas.getAnnotationIndex().iterator();
Annotation a;
JsonFactory jsonFactory = new JsonFactory();
String name = this.getExportFilePath(aJCas, "json");
File file = new File(this.directoryFile, name);
FileWriter writer = null;
try {
writer = new FileWriter(file);
LOGGER.debug("Writing " + file.getPath());
JsonGenerator jg = jsonFactory.createGenerator(writer);
jg.useDefaultPrettyPrinter();
jg.writeStartObject();
jg.writeStringField("file",name);
jg.writeArrayFieldStart("tag");
while(it.hasNext()) {
a = it.next();
if (a instanceof WordAnnotation) {
jg.writeStartObject();
WordAnnotation wordAnno = (WordAnnotation) a;
for(Feature feat:wordAnno.getType().getFeatures()) {
FeatureStructure featureValue = wordAnno.getFeatureValue(feat);
if(featureValue != null) {
jg.writeFieldName(feat.getName());
jg.writeObject(featureValue);
}
}
jg.writeStringField("tag",wordAnno.getTag());
jg.writeStringField("lemma",wordAnno.getLemma());
jg.writeNumberField("begin",wordAnno.getBegin());
jg.writeNumberField("end",wordAnno.getEnd());
jg.writeEndObject();
}
}
jg.writeEndArray();
jg.writeEndObject();
jg.flush();
writer.close();
} catch (IOException e) {
LOGGER.error("Failure while serializing " + name + "\nCaused by"
+ e.getClass().getCanonicalName() + ":" + e.getMessage(), e);
}
}
}