org/sonews/util/io/ArticleInputStream.java
author chris <chris@marvin>
Wed, 22 Jul 2009 14:04:05 +0200
changeset 3 2fdc9cc89502
parent 1 6fceb66e1ad7
child 11 961a8a3acb9a
permissions -rw-r--r--
sonews/1.0.0
chris@1
     1
/*
chris@1
     2
 *   SONEWS News Server
chris@1
     3
 *   see AUTHORS for the list of contributors
chris@1
     4
 *
chris@1
     5
 *   This program is free software: you can redistribute it and/or modify
chris@1
     6
 *   it under the terms of the GNU General Public License as published by
chris@1
     7
 *   the Free Software Foundation, either version 3 of the License, or
chris@1
     8
 *   (at your option) any later version.
chris@1
     9
 *
chris@1
    10
 *   This program is distributed in the hope that it will be useful,
chris@1
    11
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
chris@1
    12
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
chris@1
    13
 *   GNU General Public License for more details.
chris@1
    14
 *
chris@1
    15
 *   You should have received a copy of the GNU General Public License
chris@1
    16
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
chris@1
    17
 */
chris@1
    18
chris@1
    19
package org.sonews.util.io;
chris@1
    20
chris@1
    21
import java.io.ByteArrayOutputStream;
chris@1
    22
import java.io.IOException;
chris@1
    23
import java.io.InputStream;
chris@1
    24
import java.io.UnsupportedEncodingException;
chris@3
    25
import org.sonews.storage.Article;
chris@1
    26
chris@1
    27
/**
chris@1
    28
 * Capsulates an Article to provide a raw InputStream.
chris@1
    29
 * @author Christian Lins
chris@1
    30
 * @since sonews/0.5.0
chris@1
    31
 */
chris@1
    32
public class ArticleInputStream extends InputStream
chris@1
    33
{
chris@1
    34
chris@1
    35
  private byte[] buffer;
chris@1
    36
  private int    offset = 0;
chris@1
    37
  
chris@1
    38
  public ArticleInputStream(final Article art)
chris@1
    39
    throws IOException, UnsupportedEncodingException
chris@1
    40
  {
chris@1
    41
    final ByteArrayOutputStream out = new ByteArrayOutputStream();
chris@1
    42
    out.write(art.getHeaderSource().getBytes("UTF-8"));
chris@1
    43
    out.write("\r\n\r\n".getBytes());
chris@3
    44
    out.write(art.getBody()); // Without CRLF
chris@1
    45
    out.flush();
chris@1
    46
    this.buffer = out.toByteArray();
chris@1
    47
  }
chris@3
    48
chris@3
    49
  @Override
chris@1
    50
  public int read()
chris@1
    51
  {
chris@1
    52
    if(offset >= buffer.length)
chris@1
    53
    {
chris@1
    54
      return -1;
chris@1
    55
    }
chris@1
    56
    else
chris@1
    57
    {
chris@1
    58
      return buffer[offset++];
chris@1
    59
    }
chris@1
    60
  }
chris@1
    61
  
chris@1
    62
}