1 /*******************************************************************************
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2 * Copyright (c) 2007, 2012 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.compressions.impl;
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14 import java.nio.ByteBuffer;
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17 * @author Tuukka Lehtonen
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19 public class Buffers {
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21 public static byte[] getInputArray(ByteBuffer buffer) {
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22 if (buffer.hasArray())
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23 return buffer.array();
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24 // Poor performance fallback involving copying.
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25 byte[] copy = new byte[buffer.remaining()];
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30 public static byte[] getOutputArray(ByteBuffer buffer) {
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31 return buffer.hasArray() ? buffer.array() : new byte[buffer.remaining()];
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34 public static void writeOutput(ByteBuffer buffer, byte[] array) {
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35 if (buffer.hasArray() && buffer.array() == array)
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37 // Poor performance fallback involving copying.
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38 int pos = buffer.position();
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40 buffer.position(pos);
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