/*
* 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.tools.formats;
import opennlp.tools.cmdline.ArgumentParser;
import opennlp.tools.cmdline.CmdLineUtil;
import opennlp.tools.cmdline.StreamFactoryRegistry;
import opennlp.tools.cmdline.params.BasicFormatParams;
import opennlp.tools.doccat.DocumentSample;
import opennlp.tools.doccat.DocumentSampleStream;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
import java.io.FileInputStream;
/**
* Factory producing OpenNLP {@link DocumentSampleStream}s.
*/
public class DocumentSampleStreamFactory extends AbstractSampleStreamFactory<DocumentSample> {
interface Parameters extends BasicFormatParams {
}
public static void registerFactory() {
StreamFactoryRegistry.registerFactory(DocumentSample.class,
StreamFactoryRegistry.DEFAULT_FORMAT, new DocumentSampleStreamFactory(Parameters.class));
}
protected <P> DocumentSampleStreamFactory(Class<P> params) {
super(params);
}
public ObjectStream<DocumentSample> create(String[] args) {
Parameters params = ArgumentParser.parse(args, Parameters.class);
CmdLineUtil.checkInputFile("Data", params.getData());
FileInputStream sampleDataIn = CmdLineUtil.openInFile(params.getData());
ObjectStream<String> lineStream = new PlainTextByLineStream(sampleDataIn.getChannel(),
params.getEncoding());
return new DocumentSampleStream(lineStream);
}
}