opennlp.perceptron.PlainTextPerceptronModelWriter Maven / Gradle / Ivy
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/*
* 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.perceptron;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.zip.GZIPOutputStream;
import opennlp.model.AbstractModel;
/**
* Model writer that saves models in plain text format.
*/
public class PlainTextPerceptronModelWriter extends PerceptronModelWriter {
BufferedWriter output;
/**
* Constructor which takes a PerceptronModel and a File and prepares itself to
* write the model to that file. Detects whether the file is gzipped or not
* based on whether the suffix contains ".gz".
*
* @param model The PerceptronModel which is to be persisted.
* @param f The File in which the model is to be persisted.
*/
public PlainTextPerceptronModelWriter (AbstractModel model, File f)
throws IOException, FileNotFoundException {
super(model);
if (f.getName().endsWith(".gz")) {
output = new BufferedWriter(new OutputStreamWriter(
new GZIPOutputStream(new FileOutputStream(f))));
}
else {
output = new BufferedWriter(new FileWriter(f));
}
}
/**
* Constructor which takes a PerceptronModel and a BufferedWriter and prepares
* itself to write the model to that writer.
*
* @param model The PerceptronModel which is to be persisted.
* @param bw The BufferedWriter which will be used to persist the model.
*/
public PlainTextPerceptronModelWriter (AbstractModel model, BufferedWriter bw) {
super(model);
output = bw;
}
public void writeUTF (String s) throws java.io.IOException {
output.write(s);
output.newLine();
}
public void writeInt (int i) throws java.io.IOException {
output.write(Integer.toString(i));
output.newLine();
}
public void writeDouble (double d) throws java.io.IOException {
output.write(Double.toString(d));
output.newLine();
}
public void close () throws java.io.IOException {
output.flush();
output.close();
}
}
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