Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright 2014 Carnegie Mellon University
 *
 *  Licensed 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.
 */

import java.io.*;
import java.util.zip.*;

public class Main {
    /**
     * Creates an output stream to write to a regular or compressed file.
     * 
     * @param fileName    a file name with an extension .gz or without it;
     *                    if the user specifies an extension .gz, we assume
     *                    that the output file should be compressed.
     * @return an output stream to write to a file.
     * @throws IOException
     */
    public static OutputStream createOutputStream(String fileName) throws IOException {
        OutputStream foutp = new FileOutputStream(fileName);
        if (fileName.endsWith(".gz"))
            return new GZIPOutputStream(foutp);
        if (fileName.endsWith(".bz2")) {
            throw new IOException("bz2 is not supported for writing");
        }
        return foutp;
    }
}