001    /*
002     * Copyright (C) 2008-2010 by Holger Arndt
003     *
004     * This file is part of the Universal Java Matrix Package (UJMP).
005     * See the NOTICE file distributed with this work for additional
006     * information regarding copyright ownership and licensing.
007     *
008     * UJMP is free software; you can redistribute it and/or modify
009     * it under the terms of the GNU Lesser General Public License as
010     * published by the Free Software Foundation; either version 2
011     * of the License, or (at your option) any later version.
012     *
013     * UJMP is distributed in the hope that it will be useful,
014     * but WITHOUT ANY WARRANTY; without even the implied warranty of
015     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
016     * GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public
019     * License along with UJMP; if not, write to the
020     * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
021     * Boston, MA  02110-1301  USA
022     */
023    
024    package org.ujmp.pdfbox;
025    
026    import java.io.File;
027    import java.io.IOException;
028    import java.io.InputStream;
029    
030    import org.apache.pdfbox.pdmodel.PDDocument;
031    import org.apache.pdfbox.util.PDFTextStripper;
032    import org.ujmp.core.Matrix;
033    import org.ujmp.core.MatrixFactory;
034    import org.ujmp.core.exceptions.MatrixException;
035    
036    public abstract class ImportMatrixPDF {
037    
038            public static final Matrix fromFile(File file, Object... parameters)
039                            throws MatrixException, IOException {
040                    try {
041                            PDDocument pdd = PDDocument.load(file);
042                            PDFTextStripper pts = new PDFTextStripper();
043                            String text = pts.getText(pdd);
044                            pdd.close();
045                            return MatrixFactory.linkToValue(text);
046                    } catch (Exception e) {
047                            throw new MatrixException(e);
048                    }
049            }
050    
051            public static final Matrix fromStream(InputStream inputStream,
052                            Object... parameters) throws IOException, MatrixException {
053                    try {
054                            PDDocument pdd = PDDocument.load(inputStream);
055                            PDFTextStripper pts = new PDFTextStripper();
056                            String text = pts.getText(pdd);
057                            pdd.close();
058                            return MatrixFactory.linkToValue(text);
059                    } catch (Exception e) {
060                            throw new MatrixException(e);
061                    }
062            }
063    
064    }