author | cli |
Mon Jun 06 20:12:21 2011 +0200 (2011-06-06) | |
changeset 42 | 7f84f4de2893 |
parent 37 | 74139325d305 |
permissions | -rwxr-xr-x |
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 |
package org.sonews.util.io; |
chris@1 | 19 |
|
chris@1 | 20 |
import java.io.ByteArrayOutputStream; |
chris@1 | 21 |
import java.io.IOException; |
chris@1 | 22 |
import java.io.InputStream; |
chris@1 | 23 |
import java.io.UnsupportedEncodingException; |
chris@3 | 24 |
import org.sonews.storage.Article; |
chris@1 | 25 |
|
chris@1 | 26 |
/** |
chris@1 | 27 |
* Capsulates an Article to provide a raw InputStream. |
chris@1 | 28 |
* @author Christian Lins |
chris@1 | 29 |
* @since sonews/0.5.0 |
chris@1 | 30 |
*/ |
cli@42 | 31 |
public class ArticleInputStream extends InputStream { |
chris@1 | 32 |
|
cli@37 | 33 |
private byte[] buf; |
cli@37 | 34 |
private int pos = 0; |
chris@3 | 35 |
|
cli@37 | 36 |
public ArticleInputStream(final Article art) |
cli@42 | 37 |
throws IOException, UnsupportedEncodingException { |
cli@37 | 38 |
final ByteArrayOutputStream out = new ByteArrayOutputStream(); |
cli@37 | 39 |
out.write(art.getHeaderSource().getBytes("UTF-8")); |
cli@37 | 40 |
out.write("\r\n\r\n".getBytes()); |
cli@37 | 41 |
out.write(art.getBody()); // Without CRLF |
cli@37 | 42 |
out.flush(); |
cli@37 | 43 |
this.buf = out.toByteArray(); |
cli@37 | 44 |
} |
cli@37 | 45 |
|
cli@37 | 46 |
/** |
cli@37 | 47 |
* This method reads one byte from the stream. The <code>pos</code> |
cli@37 | 48 |
* counter is advanced to the next byte to be read. The byte read is |
cli@37 | 49 |
* returned as an int in the range of 0-255. If the stream position |
cli@37 | 50 |
* is already at the end of the buffer, no byte is read and a -1 is |
cli@37 | 51 |
* returned in order to indicate the end of the stream. |
cli@37 | 52 |
* |
cli@37 | 53 |
* @return The byte read, or -1 if end of stream |
cli@37 | 54 |
*/ |
cli@37 | 55 |
@Override |
cli@42 | 56 |
public synchronized int read() { |
cli@37 | 57 |
if (pos < buf.length) { |
cli@37 | 58 |
return ((int) buf[pos++]) & 0xFF; |
cli@37 | 59 |
} else { |
cli@37 | 60 |
return -1; |
cli@37 | 61 |
} |
cli@37 | 62 |
} |
chris@1 | 63 |
} |