copy Char Buffer - Java java.nio

Java examples for java.nio:CharBuffer

  1. HOME
  2. Java
  3. java.nio
  4. CharBuffer

Description

copy Char Buffer

Demo Code

/*******************************************************************************
 * Copyright (c) 2006, 2015, Carnegie Mellon University. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * 3. Products derived from the software may not be called "Alice", nor may
 *    "Alice" appear in their name, without prior written permission of
 *    Carnegie Mellon University.//from  w w w . j  av a2s  .c o  m
 *
 * 4. All advertising materials mentioning features or use of this software must
 *    display the following acknowledgement: "This product includes software
 *    developed by Carnegie Mellon University"
 *
 * 5. The gallery of art assets and animations provided with this software is
 *    contributed by Electronic Arts Inc. and may be used for personal,
 *    non-commercial, and academic use only. Redistributions of any program
 *    source code that utilizes The Sims 2 Assets must also retain the copyright
 *    notice, list of conditions and the disclaimer contained in
 *    The Alice 3.0 Art Gallery License.
 *
 * DISCLAIMER:
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.
 * ANY AND ALL EXPRESS, STATUTORY OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,  FITNESS FOR A
 * PARTICULAR PURPOSE, TITLE, AND NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHORS, COPYRIGHT OWNERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING FROM OR OTHERWISE RELATING TO
 * THE USE OF OR OTHER DEALINGS WITH THE SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *******************************************************************************/
//package com.java2s;

public class Main {
    public static java.nio.CharBuffer copyCharBuffer(
            java.nio.CharBuffer data) {
        if (data == null) {
            return null;
        }
        java.nio.CharBuffer buf = createDirectCharBuffer(convertCharBufferToArray(data));
        return buf;
    }

    public static java.nio.CharBuffer createDirectCharBuffer(char[] data) {
        if (data == null) {
            return null;
        }
        java.nio.CharBuffer buf = java.nio.ByteBuffer
                .allocateDirect((Character.SIZE / 8) * data.length)
                .order(java.nio.ByteOrder.nativeOrder()).asCharBuffer();
        buf.clear();
        buf.put(data);
        buf.flip();
        return buf;
    }

    public static char[] convertCharBufferToArray(java.nio.CharBuffer buf) {
        if (buf.hasArray()) {
            return buf.array();
        } else {
            buf.rewind();
            char[] array = new char[buf.remaining()];
            int index = 0;
            while (buf.hasRemaining()) {
                array[index++] = buf.get();
            }
            return array;
        }
    }
}

Related Tutorials