filereader.java

基于MJSIP的j2me客户端

/*
 * Copyright (C) 2005 Luca Veltri - University of Parma - Italy
 * 
 * This file is part of MjSip (http://www.mjsip.org)
 * 
 * MjSip 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.
 * 
 * MjSip 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 MjSip; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 * 
 * Author(s):
 * Luca Veltri ([e-mail])
 */

package org.zoolu.microtools;


import java.io.IOException;
import java.io.Reader;
import java.io.InputStreamReader;
import javax.microedition.io.Connector;


/** FileReader is an input stream for reading data from a file.
  */
public class FileReader extends Reader
{
   Reader in;
   
   /** Creates a new FileReader. */ 
   public FileReader(String filename) throws IOException
   {  in=new InputStreamReader(Connector.openInputStream("file://"+filename));
   }
   
   /** Close the stream. */
   public void close() throws IOException
   {  in.close();
   }

   /** Mark the present position in the stream. */
   public void mark(int readAheadLimit) throws IOException
   {  in.mark(readAheadLimit);
   }

   /** Tell whether this stream supports the mark() operation. */
   public boolean markSupported()
   {  return in.markSupported();
   }

   /** Read a single character. */
   public int read() throws IOException
   {  return in.read();
   }

   /** Read characters into an array. */
   public int read(char[] cbuf) throws IOException
   {  return in.read(cbuf);
   }

   /** Read characters into a portion of an array. */
   public int read(char[] cbuf, int off, int len) throws IOException
   {  return in.read(cbuf,off,len);
   }

   /** Tell whether this stream is ready to be read. */
   public boolean ready() throws IOException
   {  return in.ready();
   }

   /** Reset the stream. */
   public void reset() throws IOException
   {  in.reset();
   }

   /** Skip characters. */
   public long skip(long n) throws IOException
   {  return in.skip(n);
   }
}