opennlp.tools.formats.masc.MascWordParser Maven / Gradle / Ivy
/*
* 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.masc;
import java.util.ArrayList;
import java.util.List;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
/**
* Class to parse the word ("quark") segmentation stand-off annotation.
*/
class MascWordParser extends DefaultHandler {
private final List wordAnchors = new ArrayList<>();
public List getAnchors() {
return wordAnchors;
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
try {
// create a word and put it into the list of words
if (qName.equalsIgnoreCase("region")) {
int id = Integer.parseInt(attributes.getValue("xml:id").replaceFirst("seg-r", ""));
String[] anchors = attributes.getValue("anchors").split(" ");
int left = Integer.parseInt(anchors[0]);
int right = Integer.parseInt(anchors[1]);
wordAnchors.add(new MascWord(left, right, id));
}
} catch (Exception e) {
throw new SAXException("Could not parse the word segmentation annotation file.");
}
}
}