opennlp.tools.parser.PosSampleStream 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.parser;
import java.io.IOException;
import opennlp.tools.postag.POSSample;
import opennlp.tools.util.FilterObjectStream;
import opennlp.tools.util.ObjectStream;
public class PosSampleStream extends FilterObjectStream {
/**
* Initializes a {@link PosSampleStream instance}.
*
* @param in A {@link ObjectStream stream} used as input.
*/
public PosSampleStream(ObjectStream in) {
super(in);
}
@Override
public POSSample read() throws IOException {
Parse parse = samples.read();
if (parse != null) {
Parse[] nodes = parse.getTagNodes();
String[] toks = new String[nodes.length];
String[] preds = new String[nodes.length];
for (int ti = 0; ti < nodes.length; ti++) {
Parse tok = nodes[ti];
toks[ti] = tok.getCoveredText();
preds[ti] = tok.getType();
}
return new POSSample(toks, preds);
}
else {
return null;
}
}
}