Main.java Source code

Java tutorial

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*  Copyright (c) 2010 Xiaoyun Zhu
 * 
 *  Permission is hereby granted, free of charge, to any person obtaining a copy  
 *  of this software and associated documentation files (the "Software"), to deal  
 *  in the Software without restriction, including without limitation the rights  
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell  
 *  copies of the Software, and to permit persons to whom the Software is  
 *  furnished to do so, subject to the following conditions:
 *  
 *  The above copyright notice and this permission notice shall be included in  
 *  all copies or substantial portions of the Software.
 *  
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE  
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN  
 *  THE SOFTWARE.  
 */

import java.nio.ByteBuffer;

public class Main {
    /**
     * Stores substring in bb
     * 
     * @param bb
     * @param startIdx
     * @return new bb limit
     */
    public static final int substring(final ByteBuffer bb, final int startIdx) {
        final int limit = bb.limit();
        if (startIdx >= limit) {
            bb.limit(0);
            return 0;
        } else {
            final byte[] array = bb.array();
            int i = 0;
            int j = startIdx;
            while (j < limit) {
                array[i] = array[j];
                j++;
                i++;
            }
            bb.limit(limit - startIdx);
            return bb.limit();
        }
    }
}