Java ByteBuffer Read readZeroTermStr(ByteBuffer bb)

Description

read Zero Term Str

License

Apache License

Declaration

private static String readZeroTermStr(ByteBuffer bb) 

Method Source Code

//package com.java2s;
/*//from w w w.  java2 s .  c o m
Copyright (c) 2013 James Ahlborn
    
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.nio.ByteBuffer;
import java.nio.charset.Charset;

public class Main {
    private static final Charset OLE_CHARSET = Charset.forName("US-ASCII");

    private static String readZeroTermStr(ByteBuffer bb) {
        int off = bb.position();
        while (bb.hasRemaining()) {
            byte b = bb.get();
            if (b == 0) {
                break;
            }
        }
        int len = bb.position() - off;
        return readStr(bb, off, len);
    }

    private static String readStr(ByteBuffer bb, int off, int len) {
        return readStr(bb, off, len, OLE_CHARSET);
    }

    private static String readStr(ByteBuffer bb, int off, int len, Charset charset) {
        String str = new String(bb.array(), off, len, charset);
        bb.position(off + len);
        if (str.charAt(str.length() - 1) == '\0') {
            str = str.substring(0, str.length() - 1);
        }
        return str;
    }
}

Related

1. readUUID(ByteBuffer buffer)
2. readVariableLength(ByteBuffer buf)
3. readVInt(ByteBuffer bb)
4. readVInt(ByteBuffer bb)
5. readVL(ByteBuffer byteBuffer)