Handle DCC resume functionality.

diff --git a/src/main/java/net/pterodactylus/irc/Connection.java b/src/main/java/net/pterodactylus/irc/Connection.java
index 6d21b32..9a2bcd5 100644 (file)
--- a/src/main/java/net/pterodactylus/irc/Connection.java
+++ b/src/main/java/net/pterodactylus/irc/Connection.java
@@ -48,6 +48,7 @@ import net.pterodactylus.irc.event.ChannelTopic;
 import net.pterodactylus.irc.event.ClientQuit;
 import net.pterodactylus.irc.event.ConnectionEstablished;
 import net.pterodactylus.irc.event.ConnectionFailed;
+import net.pterodactylus.irc.event.DccAcceptReceived;
 import net.pterodactylus.irc.event.DccSendReceived;
 import net.pterodactylus.irc.event.MotdReceived;
 import net.pterodactylus.irc.event.NicknameInUseReceived;
@@ -242,6 +243,24 @@ public class Connection extends AbstractExecutionThreadService implements Servic
                connectionHandler.sendCommand("PRIVMSG", recipient, message);
        }
 
+       /**
+        * Sends a DCC RESUME request to the given recipient.
+        *
+        * @param recipient
+        *              The recipient of the request
+        * @param filename
+        *              The name of the file to resume
+        * @param port
+        *              The port number from the original DCC SEND request
+        * @param position
+        *              The position at which to resume the transfer
+        * @throws IOException
+        *              if an I/O error occurs
+        */
+       public void sendDccResume(String recipient, String filename, int port, long position) throws IOException {
+               connectionHandler.sendCommand("PRIVMSG", recipient, String.format("\u0001DCC RESUME %s %d %d\u0001", filename, port, position));
+       }
+
        //
        // ABSTRACTEXECUTIONTHREADSERVICE METHODS
        //
@@ -310,6 +329,14 @@ public class Connection extends AbstractExecutionThreadService implements Servic
                                                                } else {
                                                                        logger.warning(String.format("Received malformed DCC SEND: “%s”", message));
                                                                }
+                                                       } else if (messageWords[1].equalsIgnoreCase("ACCEPT")) {
+                                                               Optional<Integer> port = Optional.fromNullable(Ints.tryParse(messageWords[3]));
+                                                               long position = Optional.fromNullable(Longs.tryParse(messageWords[4])).or(-1L);
+                                                               if (port.isPresent()) {
+                                                                       eventBus.post(new DccAcceptReceived(this, reply.source().get(), messageWords[2], port.get(), position));
+                                                               } else {
+                                                                       logger.warning(String.format("Received malformed DCC ACCEPT: “%s”", message));
+                                                               }
                                                        }
                                                }
                                        } else if (!channelTypes.contains(recipient.charAt(0))) {

diff --git a/src/main/java/net/pterodactylus/irc/event/DccAcceptReceived.java b/src/main/java/net/pterodactylus/irc/event/DccAcceptReceived.java
new file mode 100644 (file)
index 0000000..ea63ffa
--- /dev/null
+++ b/src/main/java/net/pterodactylus/irc/event/DccAcceptReceived.java
@@ -0,0 +1,106 @@
+/*
+ * XdccDownloader - DccSendReceived.java - Copyright © 2013 David Roden
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.irc.event;
+
+import net.pterodactylus.irc.Connection;
+import net.pterodactylus.irc.Source;
+
+/**
+ * Notifies a listener that a DCC ACCEPT message was received. A DCC ACCEPT is a
+ * response to a {@link Connection#sendDccResume(String, String, int, long) DCC
+ * RESUME} request.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class DccAcceptReceived extends AbstractConnectionEvent {
+
+       /** The source of the DCC SEND. */
+       private final Source source;
+
+       /** The name of the file being offered. */
+       private final String filename;
+
+       /** The port number of the source. */
+       private final int port;
+
+       /** The position at which the download will start. */
+       private final long position;
+
+       /**
+        * Creates a new DCC ACCEPT received event.
+        *
+        * @param connection
+        *              The connetion the event occured on
+        * @param source
+        *              The source offering the file
+        * @param filename
+        *              The name of the file being offered
+        * @param port
+        *              The port number of the source
+        * @param position
+        *              The size of the file being offered ({@code -1} for unknown size)
+        */
+       public DccAcceptReceived(Connection connection, Source source, String filename, int port, long position) {
+               super(connection);
+               this.source = source;
+               this.filename = filename;
+               this.port = port;
+               this.position = position;
+       }
+
+       //
+       // ACCESSORS
+       //
+
+       /**
+        * Returns the source offering the file.
+        *
+        * @return The source offering the file
+        */
+       public Source source() {
+               return source;
+       }
+
+       /**
+        * Returns the name of the file being offered.
+        *
+        * @return The name of the file being offered
+        */
+       public String filename() {
+               return filename;
+       }
+
+       /**
+        * Returns the position at which the download will start.
+        *
+        * @return The position at which the download will start
+        */
+       public long position() {
+               return position;
+       }
+
+       /**
+        * Returns the port number of the source.
+        *
+        * @return The port number of the source
+        */
+       public int port() {
+               return port;
+       }
+
+}