2 * jSite2 - FcpConnectionHandler.java -
3 * Copyright © 2008 David Roden
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 package net.pterodactylus.util.fcp;
22 import java.io.IOException;
23 import java.io.InputStream;
24 import java.nio.ByteBuffer;
25 import java.nio.charset.Charset;
30 * @author David ‘Bombe’ Roden <bombe@freenetproject.org>
33 public class FcpConnectionHandler implements Runnable {
35 private final FcpConnection fcpConnection;
36 private final InputStream remoteInputStream;
38 private boolean ignoreNextLinefeed;
40 public FcpConnectionHandler(FcpConnection fcpConnection, InputStream remoteInputStream) {
41 this.fcpConnection = fcpConnection;
42 this.remoteInputStream = remoteInputStream;
46 FcpMessage fcpMessage = null;
49 String line = readLine();
50 System.out.println("read line: " + line);
54 if (line.length() == 0) {
58 if (fcpMessage == null) {
59 fcpMessage = new FcpMessage(line);
62 if ("EndMessage".equals(line)) {
63 fcpConnection.handleMessage(fcpMessage);
66 int equalSign = line.indexOf('=');
67 if (equalSign == -1) {
68 /* something's fishy! */
71 String field = line.substring(0, equalSign);
72 String value = line.substring(equalSign + 1);
73 fcpMessage.setField(field, value);
74 } catch (IOException e) {
80 * Reads bytes from {@link #remoteInputStream} until ‘\r’ or ‘\n’ are
81 * encountered and decodes the read bytes using UTF-8.
83 * @return The decoded line
85 * if an I/O error occurs
87 private String readLine() throws IOException {
88 byte[] readBytes = new byte[512];
91 int nextByte = remoteInputStream.read();
99 if (!ignoreNextLinefeed) {
103 ignoreNextLinefeed = false;
104 if (nextByte == 13) {
105 ignoreNextLinefeed = true;
108 if (readIndex == readBytes.length) {
109 /* recopy & enlarge array */
110 byte[] newReadBytes = new byte[readBytes.length * 2];
111 System.arraycopy(readBytes, 0, newReadBytes, 0, readBytes.length);
112 readBytes = newReadBytes;
114 readBytes[readIndex++] = (byte) nextByte;
116 ByteBuffer byteBuffer = ByteBuffer.wrap(readBytes, 0, readIndex);
117 return Charset.forName("UTF-8").decode(byteBuffer).toString();