| /* |
| * 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.muc; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import opennlp.tools.parser.AbstractBottomUpParser; |
| import opennlp.tools.parser.Parse; |
| import opennlp.tools.parser.Parser; |
| import opennlp.tools.util.FilterObjectStream; |
| import opennlp.tools.util.ObjectStream; |
| import opennlp.tools.util.Span; |
| |
| public class FullParseCorefEnhancerStream extends FilterObjectStream<RawCorefSample, RawCorefSample> { |
| |
| private final Parser parser; |
| |
| public FullParseCorefEnhancerStream(Parser parser, ObjectStream<RawCorefSample> samples) { |
| super(samples); |
| this.parser = parser; |
| } |
| |
| static Parse createIncompleteParse(String tokens[]) { |
| |
| // produce text |
| Span tokenSpans[] = new Span[tokens.length]; |
| StringBuilder textBuilder = new StringBuilder(); |
| |
| for (int i = 0; i < tokens.length; i++) { |
| |
| if (textBuilder.length() > 0) { |
| textBuilder.append(' '); |
| } |
| |
| int startOffset = textBuilder.length(); |
| textBuilder.append(tokens[i]); |
| tokenSpans[i] = new Span(startOffset, textBuilder.length()); |
| } |
| |
| String text = textBuilder.toString(); |
| |
| Parse p = new Parse(text, new Span(0, text.length()), AbstractBottomUpParser.INC_NODE, 0, 0); |
| |
| for (int i = 0; i < tokenSpans.length; i++) { |
| Span tokenSpan = tokenSpans[i]; |
| p.insert(new Parse(text, new Span(tokenSpan.getStart(), tokenSpan.getEnd()), AbstractBottomUpParser.TOK_NODE, 0, i)); |
| } |
| |
| return p; |
| } |
| |
| public RawCorefSample read() throws IOException { |
| |
| RawCorefSample sample = samples.read(); |
| |
| if (sample != null) { |
| |
| List<Parse> enhancedParses = new ArrayList<Parse>(); |
| |
| List<String[]> sentences = sample.getTexts(); |
| |
| for (int i = 0; i < sentences.size(); i++) { |
| |
| String sentence[] = sentences.get(i); |
| |
| Parse incompleteParse = createIncompleteParse(sentence); |
| Parse p = parser.parse(incompleteParse); |
| |
| // What to do when a parse cannot be found ?! |
| |
| enhancedParses.add(p); |
| } |
| |
| sample.setParses(enhancedParses); |
| |
| return sample; |
| } |
| else { |
| return null; |
| } |
| } |
| } |