chris@1: /* chris@1: * SONEWS News Server chris@1: * see AUTHORS for the list of contributors chris@1: * chris@1: * This program is free software: you can redistribute it and/or modify chris@1: * it under the terms of the GNU General Public License as published by chris@1: * the Free Software Foundation, either version 3 of the License, or chris@1: * (at your option) any later version. chris@1: * chris@1: * This program is distributed in the hope that it will be useful, chris@1: * but WITHOUT ANY WARRANTY; without even the implied warranty of chris@1: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the chris@1: * GNU General Public License for more details. chris@1: * chris@1: * You should have received a copy of the GNU General Public License chris@1: * along with this program. If not, see . chris@1: */ chris@1: chris@1: package org.sonews.util.io; chris@1: chris@1: import java.io.ByteArrayOutputStream; chris@1: import java.io.IOException; chris@1: import java.io.InputStream; chris@1: import java.io.UnsupportedEncodingException; chris@3: import org.sonews.storage.Article; chris@1: chris@1: /** chris@1: * Capsulates an Article to provide a raw InputStream. chris@1: * @author Christian Lins chris@1: * @since sonews/0.5.0 chris@1: */ chris@1: public class ArticleInputStream extends InputStream chris@1: { chris@1: cli@37: private byte[] buf; cli@37: private int pos = 0; chris@3: cli@37: public ArticleInputStream(final Article art) cli@37: throws IOException, UnsupportedEncodingException cli@37: { cli@37: final ByteArrayOutputStream out = new ByteArrayOutputStream(); cli@37: out.write(art.getHeaderSource().getBytes("UTF-8")); cli@37: out.write("\r\n\r\n".getBytes()); cli@37: out.write(art.getBody()); // Without CRLF cli@37: out.flush(); cli@37: this.buf = out.toByteArray(); cli@37: } cli@37: cli@37: /** cli@37: * This method reads one byte from the stream. The pos cli@37: * counter is advanced to the next byte to be read. The byte read is cli@37: * returned as an int in the range of 0-255. If the stream position cli@37: * is already at the end of the buffer, no byte is read and a -1 is cli@37: * returned in order to indicate the end of the stream. cli@37: * cli@37: * @return The byte read, or -1 if end of stream cli@37: */ cli@37: @Override cli@37: public synchronized int read() cli@37: { cli@37: if (pos < buf.length) { cli@37: return ((int) buf[pos++]) & 0xFF; cli@37: } else { cli@37: return -1; cli@37: } cli@37: } chris@1: }