PooledGISModelReader.java

/*
 * 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.File;
import java.io.IOException;

/**
 * This class works exactly like the SuffisSensitiveGISModelReader except that it 
 * attempts to pool all context strings.  This is useful when loading models which
 * share many context strings.
 *
 */
public class PooledGISModelReader extends SuffixSensitiveGISModelReader {

  /**
   * A reader for GIS models which inspects the filename and invokes the
   * appropriate GISModelReader depending on the filename's suffixes.
   *
   * <p>The following assumption are made about suffixes:
   *    <li>.gz  --> the file is gzipped (must be the last suffix)
   *    <li>.txt --> the file is plain text
   *    <li>.bin --> the file is binary
   * @param f
   * @throws IOException
   */
  public PooledGISModelReader(File f) throws IOException {
    super(f);
  }

  public String readUTF() throws IOException {
    return super.readUTF().intern();
  }
}