Java PrintWriter Create getPrintWriter(String filename)

Description

getPrintWriter

License

Apache License

Declaration

public static PrintWriter getPrintWriter(String filename) throws IOException 

Method Source Code

//package com.java2s;
/**File: UtilLib.java /*from w w w.j a  v a  2 s  . c  om*/
    
Original Author: Sven Schuierer
Date: 04/01/2012
    
Copyright 2015 Novartis Institutes for BioMedical Research
Inc.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 {
    /***********************************************************************************
     * 
     *                           getPrintWriter
     *
     ***********************************************************************************/

    public static PrintWriter getPrintWriter(String filename) throws IOException {

        if (filename == "") {
            return null;
        }

        if (filename.equals("-")) {
            return new PrintWriter(System.out);
        }

        File outputFile = new File(filename);
        if (outputFile.exists() && !outputFile.canWrite()) {
            throw new IOException("Warning: file " + filename + " cannot be written to.");
        }

        if (filename.endsWith(".gz")) {
            return new PrintWriter(new OutputStreamWriter(new GZIPOutputStream(new FileOutputStream(outputFile))));
        }

        return (new PrintWriter(outputFile));

    }
}

Related

1. getPrintWriter(File f)
2. getPrintWriter(File file)
3. getPrintWriter(File file)
4. getPrintwriter(File file, boolean append)
5. getPrintWriter(final File aFile, final boolean append)
6. getPrintWriter(String fileName, Writer out)
7. getPrintWriter(String nombreFichero)
8. getPrintWriter(String path, String charset, boolean isAppend)