diff -r 9f0b95aafaa3 -r ed84c8bdd87b src/org/sonews/util/io/ArticleInputStream.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/org/sonews/util/io/ArticleInputStream.java Sun Aug 29 17:28:58 2010 +0200 @@ -0,0 +1,71 @@ +/* + * SONEWS News Server + * see AUTHORS for the list of contributors + * + * This program 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 3 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see . + */ + +package org.sonews.util.io; + +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.io.UnsupportedEncodingException; +import org.sonews.storage.Article; + +/** + * Capsulates an Article to provide a raw InputStream. + * @author Christian Lins + * @since sonews/0.5.0 + */ +public class ArticleInputStream extends InputStream +{ + + private byte[] buf; + private int pos = 0; + + public ArticleInputStream(final Article art) + throws IOException, UnsupportedEncodingException + { + final ByteArrayOutputStream out = new ByteArrayOutputStream(); + out.write(art.getHeaderSource().getBytes("UTF-8")); + out.write("\r\n\r\n".getBytes()); + out.write(art.getBody()); // Without CRLF + out.flush(); + this.buf = out.toByteArray(); + } + + /** + * This method reads one byte from the stream. The pos + * counter is advanced to the next byte to be read. The byte read is + * returned as an int in the range of 0-255. If the stream position + * is already at the end of the buffer, no byte is read and a -1 is + * returned in order to indicate the end of the stream. + * + * @return The byte read, or -1 if end of stream + */ + @Override + public synchronized int read() + { + if(pos < buf.length) + { + return ((int)buf[pos++]) & 0xFF; + } + else + { + return -1; + } + } + +}