| /* FileTypeMap.java -- Classifies the MIME content of files. |
| Copyright (C) 2004 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package javax.activation; |
| |
| import java.io.File; |
| |
| /** |
| * Classifier for the MIME content type of files. |
| * |
| * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> |
| * @version 1.1 |
| */ |
| public abstract class FileTypeMap |
| { |
| |
| /* Class scope */ |
| |
| private static FileTypeMap defaultMap; |
| |
| /** |
| * Returns the system default file type map. |
| * If one has not been set, this returns a MimetypesFileTypeMap. |
| */ |
| public static FileTypeMap getDefaultFileTypeMap() |
| { |
| if (defaultMap == null) |
| { |
| defaultMap = new MimetypesFileTypeMap(); |
| } |
| return defaultMap; |
| } |
| |
| /** |
| * Sets the default file type map. |
| * @param map the new file type map |
| */ |
| public static void setDefaultFileTypeMap(FileTypeMap map) |
| { |
| SecurityManager security = System.getSecurityManager(); |
| if (security != null) |
| { |
| try |
| { |
| security.checkSetFactory(); |
| } |
| catch (SecurityException e) |
| { |
| if (map != null && FileTypeMap.class.getClassLoader() != |
| map.getClass().getClassLoader()) |
| { |
| throw e; |
| } |
| } |
| } |
| defaultMap = map; |
| } |
| |
| /* Instance scope */ |
| |
| /** |
| * Returns the content type of the specified file. |
| * @param file the file to classify |
| */ |
| public abstract String getContentType(File file); |
| |
| /** |
| * Returns the content type of the specified file path. |
| * @param filename the path of the file to classify |
| */ |
| public abstract String getContentType(String filename); |
| |
| } |
| |