Util.java Source code

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Here is the source code for Util.java

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/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   http://www.cs.umass.edu/~mccallum/mallet
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */

//package cc.mallet.util;

import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.util.zip.GZIPOutputStream;

/**
 * 
 * 
 * @author <a href="mailto:casutton@cs.umass.edu">Charles Sutton</a>
 * @version $Id: ArrayUtils.java,v 1.1 2007/10/22 21:37:40 mccallum Exp $
 */
public class Util {

    /**
     * Reads a serialized object from a file that has been compressed using gzip.
     *  You probably want to use {@link #readObject} instead, because it will automatically guess
     *  from the extension whether the file is compressed, and call this method if necessary.
     * @param f Compressed file to read object from
     * @see #readObject
     */
    public static Object readGzippedObject(File f) {
        try {
            ObjectInputStream ois = new ObjectInputStream(
                    new BufferedInputStream(new GZIPInputStream(new FileInputStream(f))));
            Object obj = ois.readObject();
            ois.close();
            return obj;
        } catch (IOException e) {
            throw new RuntimeException(e);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }
    }

}