/* | |
* 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.disambiguator; | |
import java.io.IOException; | |
import java.io.Reader; | |
import java.util.logging.Level; | |
import java.util.logging.Logger; | |
import opennlp.tools.util.FilterObjectStream; | |
import opennlp.tools.util.InvalidFormatException; | |
import opennlp.tools.util.ObjectStream; | |
import opennlp.tools.util.PlainTextByLineStream; | |
public class WSDSampleStream extends FilterObjectStream<String, WSDSample> { | |
private static Logger logger = Logger.getLogger(WSDSampleStream.class | |
.getName()); | |
/** | |
* Initializes the current instance. | |
* | |
* @param sentences | |
* reader with sentences | |
* @throws IOException | |
* IOException | |
*/ | |
public WSDSampleStream(Reader sentences) throws IOException { | |
super(new PlainTextByLineStream(sentences)); | |
} | |
public WSDSampleStream(ObjectStream<String> sentences) { | |
super(sentences); | |
} | |
/** | |
* Parses the next sentence and return the next {@link WSDSample} object. | |
* | |
* If an error occurs an empty {@link WSDSample} object is returned and an | |
* warning message is logged. Usually it does not matter if one of many | |
* sentences is ignored. | |
* | |
* TODO: An exception in error case should be thrown. | |
*/ | |
public WSDSample read() throws IOException { | |
String sentence = samples.read(); | |
if (sentence != null) { | |
WSDSample sample; | |
try { | |
sample = WSDSample.parse(sentence); | |
} catch (InvalidFormatException e) { | |
if (logger.isLoggable(Level.WARNING)) { | |
logger | |
.warning("Error during parsing, ignoring sentence: " + sentence); | |
} | |
sample = null;// new WSDSample(new String[]{}, new String[]{},0); | |
} | |
return sample; | |
} else { | |
// sentences stream is exhausted | |
return null; | |
} | |
} | |
} |