| /* |
| * 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.cmdline.doccat; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| 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.doccat.DoccatModel; |
| import opennlp.tools.doccat.DocumentCategorizerME; |
| import opennlp.tools.doccat.DocumentSample; |
| import opennlp.tools.tokenize.WhitespaceTokenizer; |
| import opennlp.tools.util.ObjectStream; |
| import opennlp.tools.util.ParagraphStream; |
| import opennlp.tools.util.PlainTextByLineStream; |
| |
| public class DoccatTool extends BasicCmdLineTool { |
| |
| @Override |
| public String getShortDescription() { |
| return "learned document categorizer"; |
| } |
| |
| @Override |
| public String getHelp() { |
| return "Usage: " + CLI.CMD + " " + getName() + " model < documents"; |
| } |
| |
| @Override |
| public void run(String[] args) { |
| |
| if (0 == args.length) { |
| System.out.println(getHelp()); |
| } else { |
| |
| DoccatModel model = new DoccatModelLoader().load(new File(args[0])); |
| |
| DocumentCategorizerME documentCategorizerME = new DocumentCategorizerME(model); |
| |
| /* |
| * moved initialization to the try block to catch new IOException |
| */ |
| ObjectStream<String> documentStream; |
| |
| PerformanceMonitor perfMon = new PerformanceMonitor(System.err, "doc"); |
| perfMon.start(); |
| |
| try { |
| documentStream = new ParagraphStream(new PlainTextByLineStream( |
| new SystemInputStreamFactory(), SystemInputStreamFactory.encoding())); |
| String document; |
| while ((document = documentStream.read()) != null) { |
| String[] tokens = WhitespaceTokenizer.INSTANCE.tokenize(document); |
| |
| double[] prob = documentCategorizerME.categorize(tokens); |
| String category = documentCategorizerME.getBestCategory(prob); |
| |
| DocumentSample sample = new DocumentSample(category, tokens); |
| System.out.println(sample); |
| |
| perfMon.incrementCounter(); |
| } |
| } catch (IOException e) { |
| CmdLineUtil.handleStdinIoError(e); |
| } |
| |
| perfMon.stopAndPrintFinalResult(); |
| } |
| } |
| } |