Java ByteBuffer Get getAsciiString(ByteBuffer buffer)

Description

get Ascii String

License

Open Source License

Declaration

public static String getAsciiString(ByteBuffer buffer) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2013 <Project SWG>
 * /*from   w w w .  j  a va  2 s.  c  o m*/
 * This File is part of NGECore2.
 * 
 * This program 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.
 * 
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Using NGEngine to work with NGECore2 is making a combined work based on NGEngine. 
 * Therefore all terms and conditions of the GNU Lesser General Public License cover the combination.
 ******************************************************************************/

import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;

public class Main {
    public static String getAsciiString(ByteBuffer buffer) {
        return getString(buffer, "US-ASCII");
    }

    public static byte[] getAsciiString(String string) {
        return getString(string, "US-ASCII");
    }

    private static String getString(ByteBuffer buffer, String charFormat) {
        String result;
        int length;

        if (charFormat == "UTF-16LE") {
            length = buffer.order(ByteOrder.LITTLE_ENDIAN).getInt();
        } else {
            length = buffer.order(ByteOrder.LITTLE_ENDIAN).getShort();
        }

        int bufferPosition = buffer.position();

        try {
            result = new String(buffer.array(), bufferPosition, length, charFormat);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return "";
        }

        buffer.position(bufferPosition + length);

        return result;
    }

    private static byte[] getString(String string, String charFormat) {
        ByteBuffer result;
        int length = 2 + string.length();

        if (charFormat == "UTF-16LE") {
            result = ByteBuffer.allocate(length * 2).order(ByteOrder.LITTLE_ENDIAN);
            result.putInt(string.length());
        } else {
            result = ByteBuffer.allocate(length).order(ByteOrder.LITTLE_ENDIAN);
            result.putShort((short) string.length());
        }

        try {
            result.put(string.getBytes(charFormat));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return new byte[] {};
        }

        return result.array();
    }
}

Related

1. getAddressFromDirectByteBuffer(ByteBuffer buffer)
2. getArray(ByteBuffer buffer)
3. getAsByteBuffer()
4. getAsBytes(List buffers)
5. getAscii(ByteBuffer bytes)
6. getAsIntArray(ByteBuffer yuv, int size)
7. getAttrs(Map fields)
8. getBatch(ByteBuffer bb)
9. getBigDecimalFromByteBuffer( ByteBuffer bytebuf, int start, int length, int scale)