mirror of git://gcc.gnu.org/git/gcc.git
123 lines
3.2 KiB
Java
123 lines
3.2 KiB
Java
/* FileDataSource.java -- Data source for a File object.
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.activation;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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/**
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* Data source encapsulating a file.
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*
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* @author <a href='mailto:dog@gnu.org'>Chris Burdess</a>
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* @version 1.1
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*/
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public class FileDataSource
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implements DataSource
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{
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private final File file;
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private FileTypeMap typeMap;
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/**
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* Constructor.
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* @param file the underlying file to use
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*/
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public FileDataSource(File file)
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{
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this.file = file;
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}
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/**
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* Constructor.
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* @param name the path to the underlying file to use
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*/
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public FileDataSource(String name)
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{
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this(new File(name));
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}
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public InputStream getInputStream()
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throws IOException
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{
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return new FileInputStream(file);
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}
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public OutputStream getOutputStream()
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throws IOException
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{
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return new FileOutputStream(file);
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}
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public String getContentType()
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{
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if (typeMap == null)
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{
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FileTypeMap dftm = FileTypeMap.getDefaultFileTypeMap();
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return dftm.getContentType(file);
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}
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return typeMap.getContentType(file);
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}
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public String getName()
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{
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return file.getName();
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}
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/**
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* Returns the underlying file.
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*/
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public File getFile()
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{
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return file;
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}
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/**
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* Sets the file type map to use to determine the content type of the file.
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* @param map the file type map
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*/
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public void setFileTypeMap(FileTypeMap map)
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{
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typeMap = map;
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}
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}
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