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

Description

Write a String.

License

Apache License

Parameter

Parameter	Description
out	the data output stream
s	the string (maximum length about 2 GB)

Exception

Parameter	Description
IOException	if an IO exception occurred while writing

Declaration

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

Method Source Code

//package com.java2s;
/*//  w  w w  . java  2 s  .  c om
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.IOException;

import java.io.OutputStream;

public class Main {
    /**
     * Write a String. This will first write the length as 4 bytes, and then the
     * UTF-8 encoded string.
     *
     * @param out the data output stream
     * @param s   the string (maximum length about 2 GB)
     * @throws IOException if an IO exception occurred while writing
     */
    public static void writeString(OutputStream out, String s) throws IOException {
        writeBytes(out, s.getBytes("UTF-8"));
    }

    /**
     * Write a byte array. This will first write the length as 4 bytes, and then
     * the actual bytes.
     *
     * @param out  the data output stream
     * @param data the byte array
     * @throws IOException if an IO exception occurred while writing.
     */
    public static void writeBytes(OutputStream out, byte[] data) throws IOException {
        writeVarInt(out, data.length);
        out.write(data);
    }

    /**
     * Write a variable size integer. Negative values need 5 bytes.
     *
     * @param out the output stream
     * @param x   the value
     * @throws IOException if an IO exception occurred while writing.
     */
    public static void writeVarInt(OutputStream out, int x) throws IOException {
        while ((x & ~0x7f) != 0) {
            out.write((x & 0x7f) | 0x80);
            x >>>= 7;
        }
        out.write(x);
    }
}

Related

1. writeString(OutputStream os, String s)
2. writeString(OutputStream os, String s)
3. writeString(OutputStream os, String str)
4. writeString(OutputStream os, String text)
5. writeString(OutputStream out, String s)
6. writeString(OutputStream out, String s)
7. writeString(OutputStream out, String s)
8. writeString(OutputStream out, String s)
9. writeString(OutputStream out, String s)