Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2008 - 2011
 * 
 * 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.
 * 
 * @project loonframework
 * @author chenpeng
 * @emailceponline@yahoo.com.cn
 * @version 0.1
 */

import java.nio.ByteBuffer;
import java.nio.ByteOrder;

import java.nio.IntBuffer;

public class Main {
    public static final int SIZEOF_FLOAT = 4;

    public static IntBuffer createIntBuffer(final int... data) {
        if (data == null) {
            return null;
        }
        final IntBuffer buff = createIntBuffer(data.length);
        buff.clear();
        buff.put(data);
        buff.flip();
        return buff;
    }

    public static IntBuffer createIntBuffer(final int size) {
        final IntBuffer buf = ByteBuffer.allocateDirect(SIZEOF_FLOAT * size).order(ByteOrder.nativeOrder())
                .asIntBuffer();
        buf.clear();
        return buf;
    }

    public static IntBuffer createIntBuffer(IntBuffer buf, final int size) {
        if (buf != null && buf.limit() == size) {
            buf.rewind();
            return buf;
        }

        buf = createIntBuffer(size);
        return buf;
    }
}