Java Text File Write nio writeString(DataOutput dataOutput, String string)

Description

write String

License

Open Source License

Declaration

public static void writeString(DataOutput dataOutput, String string) throws IOException 

Method Source Code

//package com.java2s;
/*//from ww w.  j a  va2s  . com
Copyright 2009 Semantic Discovery, Inc. (www.semanticdiscovery.com)
    
This file is part of the Semantic Discovery Toolkit.
    
The Semantic Discovery Toolkit is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
    
The Semantic Discovery Toolkit is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Lesser General Public License for more details.
    
You should have received a copy of the GNU Lesser General Public License
along with The Semantic Discovery Toolkit.  If not, see <http://www.gnu.org/licenses/>.
*/

import java.io.DataOutput;

import java.io.IOException;

import java.nio.charset.Charset;

public class Main {
    public static final Charset UTF_8 = Charset.forName("UTF-8");

    public static void writeString(DataOutput dataOutput, String string) throws IOException {
        if (string == null) {
            writeBytes(dataOutput, null);
        } else {
            final byte[] bytes = string.getBytes(UTF_8);
            writeBytes(dataOutput, bytes);
        }
    }

    /**
     * Write the byte array to the data output to be read in by readBytes.
     */
    public static final void writeBytes(DataOutput dataOutput, byte[] bytes) throws IOException {
        if (bytes == null) {
            dataOutput.writeInt(-1);
        } else {
            dataOutput.writeInt(bytes.length);
            dataOutput.write(bytes);
        }
    }
}

Related

1. writeLine(final CharBuffer line, final CharBuffer output)
2. writeLines(Collection lines, File file)
3. writeLines(File file, Iterable lines)
4. writeLines(String fileName, String[] lines)
5. writeLinesToFile(final File file, final String... lines)
6. writeString(DataOutput dOut, String value)
7. writeString(File file, String content)
8. writeString(final File file, final String str)
9. writeString(OutputStream buffer, String s)