/**
* Copyright (C) 2012 cogroo <cogroo@cogroo.org>
*
* Licensed 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.cogroo.cmdline.featurizer;
import java.io.File;
import java.io.IOException;
import org.cogroo.tools.featurizer.FeatureSample;
import org.cogroo.tools.featurizer.FeaturizerME;
import org.cogroo.tools.featurizer.FeaturizerModel;
import opennlp.tools.cmdline.BasicCmdLineTool;
import opennlp.tools.cmdline.CLI;
import opennlp.tools.cmdline.CmdLineUtil;
import opennlp.tools.cmdline.PerformanceMonitor;
import opennlp.tools.cmdline.SystemInputStreamFactory;
import opennlp.tools.postag.POSSample;
import opennlp.tools.util.InvalidFormatException;
import opennlp.tools.util.ObjectStream;
import opennlp.tools.util.PlainTextByLineStream;
public class FeaturizerMETool extends BasicCmdLineTool {
public String getShortDescription() {
return "learnable Featurizer";
}
public String getHelp() {
return "Usage: " + CLI.CMD + " " + getName() + " model < sentences";
}
public void run(String[] args) {
if (args.length != 1) {
System.out.println(getHelp());
} else {
FeaturizerModel model = new FeaturizerModelLoader()
.load(new File(args[0]));
FeaturizerME Featurizer = new FeaturizerME(model);
ObjectStream<String> lineStream = null;
try {
lineStream = new PlainTextByLineStream(new SystemInputStreamFactory(),
SystemInputStreamFactory.encoding());
} catch (IOException e) {
CmdLineUtil.handleStdinIoError(e);
}
PerformanceMonitor perfMon = new PerformanceMonitor(System.err, "sent");
perfMon.start();
try {
String line;
while ((line = lineStream.read()) != null) {
POSSample posSample;
try {
posSample = POSSample.parse(line);
} catch (InvalidFormatException e) {
System.err.println("Invalid format:");
System.err.println(line);
continue;
}
String[] feats = Featurizer.featurize(posSample.getSentence(),
posSample.getTags());
String[] empty = new String[feats.length];
System.out.println(new FeatureSample(posSample.getSentence(), empty,
posSample.getTags(), feats).toString());
perfMon.incrementCounter();
}
} catch (IOException e) {
CmdLineUtil.handleStdinIoError(e);
}
perfMon.stopAndPrintFinalResult();
}
}
}