////////////////////////////////////////////////////////////////////////////////
   // MillScript: an Open Spice interpreter and batch website creation tool
   // Copyright (C) 2005 Kevin Rogers
   //
   // This file is part of MillScript.
   //
   // MillScript 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 of the License, or (at your option)
  // any later version.
  //
  // MillScript 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
  // MillScript; if not, write to the Free Software Foundation, Inc., 59 Temple
  // Place, Suite 330, Boston, MA  02111-1307  USA
  ////////////////////////////////////////////////////////////////////////////////
  package org.millscript.commons.vfs.util;
  
  import org.millscript.commons.vfs.VFile;
  import org.millscript.commons.vfs.VFolder;
  import org.millscript.commons.vfs.VVolume;
  import org.millscript.commons.vfs.mime.MIMETypeHandler;
  
  import java.io.FileDescriptor;
  import java.io.FileInputStream;
  import java.io.FileOutputStream;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.io.OutputStream;
  import java.io.OutputStreamWriter;
  import java.io.Reader;
  import java.io.Writer;
  import java.net.URI;
  
  import javax.activation.FileTypeMap;
  
  
  /**
   * The standard system console as a virtual file. I'm not sure how useful this
   * really is, or how technically correct.
   */
  public class StandardConsoleFile implements VFile {
  
      private static final URI CONSOLE_URI = URI.create( "system:console" );
  
      /**
       * The file type map for determining the MIME type of a file, based on file
       * extension.
       */
      private static final FileTypeMap MIME_TYPES = FileTypeMap.getDefaultFileTypeMap();
  
      private static final String NAME = "System::Console";
  
      /**
       * @see org.millscript.commons.vfs.VEntry#appendAbsolutePath(java.lang.StringBuffer)
       */
      public StringBuffer appendAbsolutePath( StringBuffer buffer ) {
          return buffer.append( NAME );
      }
  
      /**
       * @see org.millscript.commons.vfs.VEntry#appendAbsolutePathOnVolume(java.lang.StringBuffer)
       */
      public StringBuffer appendAbsolutePathOnVolume( StringBuffer buffer ) {
          return buffer.append( NAME );
      }
  
      /**
       * @see org.millscript.commons.vfs.VEntry#appendRelativePath(java.lang.StringBuffer)
       */
      public StringBuffer appendRelativePath( StringBuffer buffer ) {
          return buffer.append( NAME );
      }
  
      /**
       * @see org.millscript.commons.vfs.VEntry#appendRelativePathOnVolume(java.lang.StringBuffer)
       */
      public StringBuffer appendRelativePathOnVolume( StringBuffer buffer ) {
          return buffer.append( NAME );
      }
  
      /**
       * @see org.millscript.commons.vfs.VEntry#appendURI(java.lang.StringBuffer)
       */
      public StringBuffer appendURI( StringBuffer buffer ) {
          return buffer.append( CONSOLE_URI.toString() );
      }
  
      /**
       * @see org.millscript.commons.vfs.VEntry#exists()
       */
      public boolean exists() {
          // We always have a console?
          return true;
      }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getAbsolutePath()
      */
     public String getAbsolutePath() {
         return "/";
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getAbsolutePathOnVolume()
      */
     public String getAbsolutePathOnVolume() {
         return "/";
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getAppendOutputStream()
      */
     public OutputStream getAppendOutputStream() {
         return new FileOutputStream( FileDescriptor.out );
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getAppendWriter()
      */
     public Writer getAppendWriter() {
         return new OutputStreamWriter(
             this.getAppendOutputStream(),
             this.getVolume().getParentVFS().getDefaultCharset()
         );
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getContentMIMEType()
      */
     public String getContentMIMEType() {
         return "application/octet-stream";
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getInputStream()
      */
     public InputStream getInputStream() {
         return new FileInputStream( FileDescriptor.in );
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getMIMEType(java.lang.String)
      */
     public String getMIMEType( String fileName ) {
         return MIME_TYPES.getContentType( fileName );
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getMIMETypeHandler(java.lang.String)
      */
     public MIMETypeHandler getMIMETypeHandler( String type ) {
         // TODO Auto-generated method stub
         return null;
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getName()
      */
     public String getName() {
         // TODO Auto-generated method stub
         return null;
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getOutputStream()
      */
     public OutputStream getOutputStream() {
         return new FileOutputStream( FileDescriptor.out );
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getParent()
      */
     public VFolder getParent() {
         return null;
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getReader()
      */
     public Reader getReader() {
         return new InputStreamReader(
             this.getInputStream(),
             this.getVolume().getParentVFS().getDefaultCharset()
         );
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getRelativePath()
      */
     public String getRelativePath() {
         return "/";
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getRelativePathOnVolume()
      */
     public String getRelativePathOnVolume() {
         return "/";
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getURI()
      */
     public URI getURI() {
         return CONSOLE_URI;
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#getVolume()
      */
     public VVolume getVolume() {
         return null;
     }
 
     /**
      * @see org.millscript.commons.vfs.VFile#getWriter()
      */
     public Writer getWriter() {
         return new OutputStreamWriter(
             this.getAppendOutputStream(),
             this.getVolume().getParentVFS().getDefaultCharset()
         );
     }
 
     /**
      * @see org.millscript.commons.vfs.VEntry#toLocal()
      */
     public VFile toLocal() {
         // A standard console file is already "local"
         return this;
     }
 
 }