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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.maxent.io;

import java.io.DataOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.GZIPOutputStream;

import opennlp.model.AbstractModel;

/**
 * Model writer that saves models in binary format.
 */
public class BinaryGISModelWriter extends GISModelWriter {
    DataOutputStream output;

  /**
   * Constructor which takes a GISModel 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 GISModel which is to be persisted.
   * @param f
   *          The File in which the model is to be persisted.
   */
  public BinaryGISModelWriter(AbstractModel model, File f) throws IOException {

    super(model);

    if (f.getName().endsWith(".gz")) {
      output = new DataOutputStream(new GZIPOutputStream(
          new FileOutputStream(f)));
    } else {
      output = new DataOutputStream(new FileOutputStream(f));
    }
  }

  /**
   * Constructor which takes a GISModel and a DataOutputStream and prepares
   * itself to write the model to that stream.
   * 
   * @param model
   *          The GISModel which is to be persisted.
   * @param dos
   *          The stream which will be used to persist the model.
   */
  public BinaryGISModelWriter(AbstractModel model, DataOutputStream dos) {
    super(model);
    output = dos;
  }

  public void writeUTF(String s) throws java.io.IOException {
    output.writeUTF(s);
  }

  public void writeInt(int i) throws java.io.IOException {
    output.writeInt(i);
  }

  public void writeDouble(double d) throws java.io.IOException {
    output.writeDouble(d);
  }

  public void close() throws java.io.IOException {
    output.flush();
    output.close();
  }

}




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