Java tutorial
/*---------------- FILE HEADER KALYPSO ------------------------------------------ * * This file is part of kalypso. * Copyright (C) 2004 by: * * Technical University Hamburg-Harburg (TUHH) * Institute of River and coastal engineering * Denickestrae 22 * 21073 Hamburg, Germany * http://www.tuhh.de/wb * * and * * Bjoernsen Consulting Engineers (BCE) * Maria Trost 3 * 56070 Koblenz, Germany * http://www.bjoernsen.de * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * Contact: * * E-Mail: * belger@bjoernsen.de * schlienger@bjoernsen.de * v.doemming@tuhh.de * * ---------------------------------------------------------------------------*/ package org.kalypso.commons.java.activation; import java.io.File; import java.util.HashMap; import java.util.Map; import javax.activation.MimeType; import javax.activation.MimeTypeParseException; import org.apache.commons.io.FilenameUtils; /** * Helps finding the mime type of a file.<br/> * TODO: move into commons * * @author Gernot Belger */ public class MimeTypeFinder { public final static String MIME_IMAGE = "image"; //$NON-NLS-1$ public final static String MIME_APPLICATION = "application"; //$NON-NLS-1$ public final static String MIME_AUDIO = "audio"; //$NON-NLS-1$ public final static String MIME_TEXT = "text"; //$NON-NLS-1$ public final static String MIME_VIDEO = "video"; //$NON-NLS-1$ private final Map<String, MimeType> m_knownTypes = new HashMap<>(); public MimeTypeFinder() { try { m_knownTypes.put("dwg", new MimeType(MIME_APPLICATION, "acad")); // AutoCAD-Dateien (nach NCSA) //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("dxf", new MimeType(MIME_APPLICATION, "dxf")); // AutoCAD-Dateien (nach CERN) //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("gz", new MimeType(MIME_APPLICATION, "gzip")); // GNU Zip-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("xls", new MimeType(MIME_APPLICATION, "msexcel")); // Microsoft Excel Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("ppt", new MimeType(MIME_APPLICATION, "mspowerpoint")); // Microsoft Powerpoint Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("doc", new MimeType(MIME_APPLICATION, "msword")); // Microsoft Word Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("pdf", new MimeType(MIME_APPLICATION, "pdf")); // Adobe PDF-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("ps", new MimeType(MIME_APPLICATION, "postscript")); // Adobe PostScript-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("eps", new MimeType(MIME_APPLICATION, "postscript")); // Adobe PostScript-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("rtf", new MimeType(MIME_APPLICATION, "rtf")); // Microsoft RTF-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("htm", new MimeType(MIME_APPLICATION, "xhtml+xml")); // XHTML-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("html", new MimeType(MIME_APPLICATION, "xhtml+xml")); // XHTML-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("xhtml", new MimeType(MIME_APPLICATION, "xhtml+xml")); // XHTML-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("xml", new MimeType(MIME_APPLICATION, "xml")); // XML-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("gtar", new MimeType(MIME_APPLICATION, "x-gtar")); // GNU tar-Archivdateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("swf", new MimeType(MIME_APPLICATION, "x-shockwave-flash")); // Flash Shockwave-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("tar", new MimeType(MIME_APPLICATION, "x-tar")); // tar-Archivdateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("zip", new MimeType(MIME_APPLICATION, "zip")); // ZIP-Archivdateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("mp2", new MimeType(MIME_AUDIO, "x-mpeg")); // MPEG-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("jpg", new MimeType(MIME_IMAGE, "jpg")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("jpeg", new MimeType(MIME_IMAGE, "jpg")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("jpe", new MimeType(MIME_IMAGE, "jpg")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("gif", new MimeType(MIME_IMAGE, "gif")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("png", new MimeType(MIME_IMAGE, "png")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("tiff", new MimeType(MIME_IMAGE, "tiff")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("tif", new MimeType(MIME_IMAGE, "tiff")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("bmp", new MimeType(MIME_IMAGE, "bmp")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("ico", new MimeType(MIME_IMAGE, "ico")); //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("ico", new MimeType(MIME_IMAGE, "x-icon")); // Icon-Dateien (z.B. Favoriten-Icons) //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("csv", new MimeType(MIME_TEXT, "comma-separated-values")); // kommaseparierte //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("txt", new MimeType(MIME_TEXT, "plain")); // *.txt reine Textdateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("tsv", new MimeType(MIME_TEXT, "tab-separated-values")); // *.tsv tabulator-separierte //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("xml", new MimeType(MIME_TEXT, "xml")); // XML-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("mpeg", new MimeType(MIME_VIDEO, "mpeg")); // MPEG-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("mpg", new MimeType(MIME_VIDEO, "mpeg")); // MPEG-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("mpe", new MimeType(MIME_VIDEO, "mpeg")); // MPEG-Dateien //$NON-NLS-1$ //$NON-NLS-2$ m_knownTypes.put("avi", new MimeType(MIME_VIDEO, "x-msvideo")); // Microsoft AVI-Dateien //$NON-NLS-1$ //$NON-NLS-2$ } catch (final MimeTypeParseException e) { e.printStackTrace(); } } public MimeType getMimeType(final File file) { final String extension = FilenameUtils.getExtension(file.getName()); return m_knownTypes.get(extension.toLowerCase()); } }