001    /**
002     * ===========================================================
003     * LibRepository : a free Java content repository access layer
004     * ===========================================================
005     *
006     * Project Info:  http://jfreereport.pentaho.org/librepository/
007     *
008     * (C) Copyright 2006, by Pentaho Corporation and Contributors.
009     *
010     * This library is free software; you can redistribute it and/or modify it under the terms
011     * of the GNU Lesser General Public License as published by the Free Software Foundation;
012     * either version 2.1 of the License, or (at your option) any later version.
013     *
014     * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
015     * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
016     * See the GNU Lesser General Public License for more details.
017     *
018     * You should have received a copy of the GNU Lesser General Public License along with this
019     * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
020     * Boston, MA 02111-1307, USA.
021     *
022     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
023     * in the United States and other countries.]
024     *
025     * ------------
026     * FileContentItem.java
027     * ------------
028     * (C) Copyright 2006, by Pentaho Corporation.
029     */
030    
031    package org.jfree.repository.file;
032    
033    import java.io.File;
034    import java.io.FileInputStream;
035    import java.io.FileOutputStream;
036    import java.io.IOException;
037    import java.io.InputStream;
038    import java.io.OutputStream;
039    
040    import org.jfree.repository.ContentIOException;
041    import org.jfree.repository.ContentItem;
042    import org.jfree.repository.ContentLocation;
043    
044    /**
045     * Creation-Date: 13.11.2006, 12:17:21
046     *
047     * @author Thomas Morgner
048     */
049    public class FileContentItem extends FileContentEntity implements ContentItem
050    {
051      public FileContentItem(final ContentLocation parent, final File backend)
052      {
053        super(parent, backend);
054      }
055    
056      public String getMimeType() throws ContentIOException
057      {
058        final FileRepository fileRepository = (FileRepository) getRepository();
059        return fileRepository.getMimeRegistry().getMimeType(this);
060      }
061    
062      public OutputStream getOutputStream() throws ContentIOException, IOException
063      {
064        return new FileOutputStream (getBackend());
065      }
066    
067      public InputStream getInputStream()
068          throws ContentIOException, IOException
069      {
070        return new FileInputStream (getBackend());
071      }
072    
073      public boolean isReadable()
074      {
075        return getBackend().canRead();
076      }
077    
078      public boolean isWriteable()
079      {
080        return getBackend().canWrite();
081      }
082    }