Java DataOutput Write String writeString(DataOutput out, String s)

Description

Writes string to output stream accounting for null values.

License

Open Source License

Parameter

Parameter	Description
out	Output stream to write to.
s	String to write, possibly null .

Exception

Parameter	Description
IOException	If write failed.

Declaration

public static void writeString(DataOutput out, String s) throws IOException 

Method Source Code

//package com.java2s;
/* //from   w w  w.  ja v a  2s  .  c o m
 Copyright (C) GridGain Systems. All Rights Reserved.
     
 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.*;

public class Main {
    /**
     * Writes string to output stream accounting for {@code null} values.
     *
     * @param out Output stream to write to.
     * @param s String to write, possibly {@code null}.
     * @throws IOException If write failed.
     */
    public static void writeString(DataOutput out, String s) throws IOException {
        // Write null flag.
        out.writeBoolean(s == null);

        if (s != null)
            out.writeUTF(s);
    }
}

Related

1. writeString(DataOutput dout, String value)
2. writeString(DataOutput out, String s)
3. writeString(DataOutput out, String s)
4. writeString(DataOutput out, String v)
5. writeString(DataOutput output, String s)
6. writeString(final String data, final DataOutput out, final int length)