001/**
002 * Copyright (c) 2011, The University of Southampton and the individual contributors.
003 * All rights reserved.
004 *
005 * Redistribution and use in source and binary forms, with or without modification,
006 * are permitted provided that the following conditions are met:
007 *
008 *   *  Redistributions of source code must retain the above copyright notice,
009 *      this list of conditions and the following disclaimer.
010 *
011 *   *  Redistributions in binary form must reproduce the above copyright notice,
012 *      this list of conditions and the following disclaimer in the documentation
013 *      and/or other materials provided with the distribution.
014 *
015 *   *  Neither the name of the University of Southampton nor the names of its
016 *      contributors may be used to endorse or promote products derived from this
017 *      software without specific prior written permission.
018 *
019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
029 */
030package org.openimaj.io.wrappers;
031
032import java.io.DataInput;
033import java.io.IOException;
034
035import org.openimaj.io.ReadableBinary;
036
037/**
038 * A wrapper for 2D Array that is readable.
039 *
040 * @author Jonathon Hare (jsh2@ecs.soton.ac.uk)
041 */
042public class Readable2DArrayBinary implements ReadableBinary {
043        /**
044         * The underlying Matrix
045         */
046        public double[][] value;
047
048        /**
049         * Construct with a backing matrix
050         *
051         * @param list
052         *            the backing list
053         */
054        public Readable2DArrayBinary(double[][] list) {
055                this.value = list;
056        }
057
058        @Override
059        public void readBinary(DataInput in) throws IOException {
060                final int rows = in.readInt();
061                final int cols = in.readInt();
062
063                value = new double[rows][cols];
064
065                for (int i = 0; i < rows; i++) {
066                        for (int j = 0; j < cols; j++) {
067                                value[i][j] = in.readDouble();
068                        }
069                }
070        }
071
072        @Override
073        public byte[] binaryHeader() {
074                return value.getClass().getName().getBytes();
075        }
076}