Java String Encode encodeString(OutputStream out, String str)

Description

encode String

License

Apache License

Declaration

public static void encodeString(OutputStream out, String str) throws IOException 

Method Source Code

//package com.java2s;
/*//ww  w .  j av  a2  s .  c o m
 *  Copyright 2009 sirot.
 * 
 *  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.
 *  under the License.
 */

import java.io.ByteArrayOutputStream;
import java.io.IOException;

import java.io.OutputStream;

public class Main {
    public static void encodeString(OutputStream out, String str) throws IOException {
        encodeBytes(out, str.getBytes("ASCII"));
    }

    public static byte[] encodeBytes(byte[] data) {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            encodeInt(out, data.length);
            out.write(data);
        } catch (IOException ioe) {
            throw new Error(ioe);
        }
        return out.toByteArray();
    }

    public static void encodeBytes(OutputStream out, byte[] data) throws IOException {
        encodeInt(out, data.length);
        out.write(data);
    }

    public static byte[] encodeInt(long value) {
        byte[] tmp = new byte[4];
        tmp[0] = (byte) ((value >>> 24) & 0xff);
        tmp[1] = (byte) ((value >>> 16) & 0xff);
        tmp[2] = (byte) ((value >>> 8) & 0xff);
        tmp[3] = (byte) (value & 0xff);
        return tmp;
    }

    public static void encodeInt(OutputStream out, long value) throws IOException {
        byte[] tmp = new byte[4];
        tmp[0] = (byte) ((value >>> 24) & 0xff);
        tmp[1] = (byte) ((value >>> 16) & 0xff);
        tmp[2] = (byte) ((value >>> 8) & 0xff);
        tmp[3] = (byte) (value & 0xff);
        out.write(tmp);
    }
}

Related

1. encodeState(Map params)
2. encodeStr(String str)
3. encodeStr(String str)
4. encodeStr(String t)
5. encodeString(final String string)
6. encodeString(String b)
7. encodeString(String in)
8. encodeString(String myString)
9. encodeString(String s)